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Firelink/src/components/PropertiesWindowApp.tsx
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import { useCallback, useEffect, useMemo, useRef, useState } from 'react';
import { getCurrentWindow } from '@tauri-apps/api/window';
import { listen, type UnlistenFn } from '@tauri-apps/api/event';
import { writeText as writeClipboardText } from '@tauri-apps/plugin-clipboard-manager';
import { open, save } from '@tauri-apps/plugin-dialog';
import { Activity, Copy, Download, FileDown, FolderOpen, Gauge, MapPin, MoreHorizontal, Pause, Play, RefreshCw, Save, Timer, Upload, Users, X } from 'lucide-react';
import { useTranslation } from 'react-i18next';
import type { TorrentAvailabilitySnapshot } from '../bindings/TorrentAvailabilitySnapshot';
import type { TorrentDetails } from '../bindings/TorrentDetails';
import type { TorrentFileProgressSnapshot } from '../bindings/TorrentFileProgressSnapshot';
import type { TorrentPeerDiagnostics } from '../bindings/TorrentPeerDiagnostics';
import { invokeCommand as invoke } from '../ipc';
import {
PROPERTIES_WINDOW_ACTION_RESULT,
PROPERTIES_WINDOW_REMOVED,
PROPERTIES_WINDOW_SNAPSHOT,
attachAsyncPropertiesListener,
formatPropertiesQueuePlacement,
getPropertiesLifecycleAction,
propertiesLifecycleReachedPostcondition,
propertiesTorrentPeerLimit,
propertiesDiagnosticRequestState,
sendPropertiesActionRequest,
sendPropertiesReady,
isExpectedPropertiesDiagnosticUnavailable,
propertiesDiagnosticPhase,
type PropertiesAction,
type PropertiesActionRequest,
type PropertiesActionResult,
type PropertiesPatch,
type PropertiesDiagnosticPhase,
type PropertiesSnapshot,
type PropertiesSnapshotEvent,
} from '../propertiesBridge';
import { formatDownloadBytes, formatTorrentRatio } from '../utils/downloadProgress';
import { changeAppLocale } from '../i18n';
import { synchronizeDocumentAppearance } from '../utils/documentAppearance';
import {
TORRENT_ENCRYPTION_POLICY_DISABLED,
TORRENT_ENCRYPTION_POLICY_FORCE_ENCRYPTION,
TORRENT_ENCRYPTION_POLICY_REQUIRE_CRYPTO,
type TorrentEncryptionPolicy,
type TorrentFileAllocation,
} from '../utils/downloads';
type PropertiesTab = 'overview' | 'files' | 'trackers' | 'peers' | 'options' | 'transfer' | 'advanced';
type SecretName = 'username' | 'password' | 'cookies' | 'headers';
type SecretDraft = { value: string; touched: boolean; clear: boolean };
const SECRET_NAMES: SecretName[] = ['username', 'password', 'cookies', 'headers'];
const nextPropertiesRequestId = (current: number): number =>
current >= Number.MAX_SAFE_INTEGER ? 1 : current + 1;
const isTorrentDiagnosticsStatus = (status: string) =>
['downloading', 'verifying', 'seeding', 'waitingToSeed', 'retrying', 'paused', 'completed'].includes(status);
const isTorrentPollingStatus = (status: string) =>
['downloading', 'verifying', 'seeding', 'waitingToSeed', 'retrying', 'paused'].includes(status);
const isEditableStatus = (status: string) => !['downloading', 'processing', 'verifying', 'seeding', 'waitingToSeed', 'retrying', 'moving'].includes(status);
const isTorrentFileSelectionEditable = (status: string) =>
['ready', 'staged', 'queued', 'paused', 'failed'].includes(status);
const safeTitle = (name: string) => {
const bounded = name.replace(/[\r\n\u0000]/g, ' ').trim().slice(0, 160);
return `${bounded || 'Download'} - Properties - Firelink`;
};
const errorText = (error: unknown) => error instanceof Error ? error.message : String(error);
const propertiesStatusTone = (status: string) => {
if (status === 'paused') return 'paused';
if (status === 'seeding') return 'seeding';
if (status === 'failed') return 'failed';
if (status === 'processing' || status === 'verifying' || status === 'moving') return 'processing';
if (status === 'queued' || status === 'staged') return 'queued';
if (status === 'retrying') return 'retrying';
if (status === 'completed') return 'completed';
return 'downloading';
};
const propertiesDiagnosticLifecycleKey = (snapshot: PropertiesSnapshot): string => [
snapshot.id,
snapshot.status,
snapshot.lastTry ?? '',
snapshot.hasBeenDispatched === true,
snapshot.destination ?? '',
snapshot.torrentInfoHash ?? '',
snapshot.torrentFileIndices?.join(',') ?? '',
snapshot.torrentMoveDestination ?? '',
snapshot.torrentMoveRestoreStatus ?? '',
snapshot.torrentVerifyOnly === true,
snapshot.torrentRelocationCheckPending === true,
].join('\u0000');
export const PropertiesWindowApp = () => {
const { t } = useTranslation();
const currentWindow = useMemo(() => getCurrentWindow(), []);
const windowLabel = currentWindow.label;
const sessionId = useMemo(() => crypto.randomUUID(), []);
const [downloadId, setDownloadId] = useState<string | null>(null);
const [snapshot, setSnapshot] = useState<PropertiesSnapshot | null>(null);
const [activeTab, setActiveTab] = useState<PropertiesTab>('overview');
const [pendingTab, setPendingTab] = useState<PropertiesTab | null>(null);
const [closePrompt, setClosePrompt] = useState(false);
const [errorMessage, setErrorMessage] = useState('');
const [notice, setNotice] = useState('');
const [pendingAction, setPendingAction] = useState<PropertiesAction | null>(null);
const [pendingTorrentCommand, setPendingTorrentCommand] = useState<'magnet' | 'export' | 'move' | null>(null);
const [fileProgress, setFileProgress] = useState<TorrentFileProgressSnapshot | null>(null);
const [peers, setPeers] = useState<TorrentPeerDiagnostics | null>(null);
const [availability, setAvailability] = useState<TorrentAvailabilitySnapshot | null>(null);
const [details, setDetails] = useState<TorrentDetails | null>(null);
const [diagnosticError, setDiagnosticError] = useState('');
const [diagnosticsLoading, setDiagnosticsLoading] = useState(false);
const [diagnosticsRefreshing, setDiagnosticsRefreshing] = useState(false);
const [diagnosticPhase, setDiagnosticPhase] = useState<PropertiesDiagnosticPhase>('idle');
// null means the Files tab has no local selection draft yet; [] is an
// explicit user choice to clear every file and must remain visually empty.
const [selectedFiles, setSelectedFiles] = useState<number[] | null>(null);
const [fileName, setFileName] = useState('');
const [destination, setDestination] = useState('');
const [connections, setConnections] = useState('');
const [trackers, setTrackers] = useState('');
const [excludedTrackers, setExcludedTrackers] = useState('');
const [downloadLimit, setDownloadLimit] = useState('');
const [uploadLimit, setUploadLimit] = useState('');
const [maxPeers, setMaxPeers] = useState('');
const [peerSpeedLimit, setPeerSpeedLimit] = useState('');
const [seedTime, setSeedTime] = useState('');
const [seedRatio, setSeedRatio] = useState('');
const [checkIntegrity, setCheckIntegrity] = useState(false);
const [removeUnselectedFile, setRemoveUnselectedFile] = useState(false);
const [stopTimeout, setStopTimeout] = useState('');
const [prioritizePiece, setPrioritizePiece] = useState('');
const [encryptionPolicy, setEncryptionPolicy] = useState<TorrentEncryptionPolicy>(TORRENT_ENCRYPTION_POLICY_DISABLED);
const [fileAllocation, setFileAllocation] = useState<TorrentFileAllocation>('prealloc');
const [trackerConnectTimeout, setTrackerConnectTimeout] = useState('');
const [trackerTimeout, setTrackerTimeout] = useState('');
const [trackerInterval, setTrackerInterval] = useState('');
const [secretDrafts, setSecretDrafts] = useState<Record<SecretName, SecretDraft>>({
username: { value: '', touched: false, clear: false },
password: { value: '', touched: false, clear: false },
cookies: { value: '', touched: false, clear: false },
headers: { value: '', touched: false, clear: false },
});
const [draftTab, setDraftTab] = useState<PropertiesTab | null>(null);
const draftTabRef = useRef<PropertiesTab | null>(null);
const closeAfterSaveRef = useRef(false);
const switchAfterSaveRef = useRef<PropertiesTab | null>(null);
const requestIdRef = useRef(0);
const pendingActionRef = useRef<PropertiesAction | null>(null);
const pendingLifecycleIntentRef = useRef<ReturnType<typeof getPropertiesLifecycleAction>>(null);
const latestSnapshotRevisionRef = useRef(0);
const latestBridgeGenerationRef = useRef<number | null>(null);
const appearanceCleanupRef = useRef<(() => void) | null>(null);
const hasRevealedWindowRef = useRef(false);
const revealInFlightRef = useRef(false);
const diagnosticsInFlightRef = useRef(new Set<string>());
const snapshotRef = useRef(snapshot);
const activeTabRef = useRef(activeTab);
const downloadIdRef = useRef(downloadId);
const fileProgressRef = useRef(fileProgress);
const peersRef = useRef(peers);
const availabilityRef = useRef(availability);
const detailsRef = useRef(details);
const diagnosticAttemptsRef = useRef(new Set<string>());
const diagnosticLifecycleKeyRef = useRef('');
const diagnosticLifecycleEpochRef = useRef(0);
snapshotRef.current = snapshot;
activeTabRef.current = activeTab;
downloadIdRef.current = downloadId;
fileProgressRef.current = fileProgress;
peersRef.current = peers;
availabilityRef.current = availability;
detailsRef.current = details;
const isTorrent = snapshot?.isTorrent === true;
const tabs = useMemo<PropertiesTab[]>(() => isTorrent
? ['overview', 'files', 'trackers', 'peers', 'options']
: ['overview', 'transfer', 'advanced'], [isTorrent]);
const isDirty = draftTab !== null;
useEffect(() => {
draftTabRef.current = draftTab;
}, [draftTab]);
const hydrateDraft = useCallback((next: PropertiesSnapshot) => {
setFileName(next.fileName);
setDestination(next.destination ?? '');
setConnections(next.connections === undefined ? '' : String(next.connections));
setTrackers(next.torrentTrackers ?? '');
setExcludedTrackers(next.torrentExcludeTrackers ?? '');
setSelectedFiles(next.torrentFileIndices ? [...next.torrentFileIndices] : null);
setDownloadLimit(next.speedLimit ?? '');
setUploadLimit(next.torrentUploadLimit ?? '');
setMaxPeers(next.torrentMaxPeers === undefined ? '' : String(next.torrentMaxPeers));
setPeerSpeedLimit(next.torrentPeerSpeedLimit ?? '');
setSeedTime(next.torrentSeedTime === undefined ? '' : String(next.torrentSeedTime));
setSeedRatio(next.torrentSeedRatio === undefined ? '' : String(next.torrentSeedRatio));
setCheckIntegrity(next.torrentCheckIntegrity === true);
setRemoveUnselectedFile(next.torrentRemoveUnselectedFile === true);
setStopTimeout(next.torrentStopTimeout === undefined ? '' : String(next.torrentStopTimeout));
setPrioritizePiece(next.torrentPrioritizePiece ?? '');
setEncryptionPolicy((next.torrentEncryptionPolicy as TorrentEncryptionPolicy | undefined) ?? TORRENT_ENCRYPTION_POLICY_DISABLED);
setFileAllocation((next.torrentFileAllocation as TorrentFileAllocation | undefined) ?? 'prealloc');
setTrackerConnectTimeout(next.torrentTrackerConnectTimeout === undefined ? '' : String(next.torrentTrackerConnectTimeout));
setTrackerTimeout(next.torrentTrackerTimeout === undefined ? '' : String(next.torrentTrackerTimeout));
setTrackerInterval(next.torrentTrackerInterval === undefined ? '' : String(next.torrentTrackerInterval));
setSecretDrafts({
username: { value: '', touched: false, clear: false },
password: { value: '', touched: false, clear: false },
cookies: { value: '', touched: false, clear: false },
headers: { value: '', touched: false, clear: false },
});
}, []);
const refreshDiagnostics = useCallback(async (tab: PropertiesTab, id: string, manual = false) => {
if (!isTorrentDiagnosticsStatus(snapshotRef.current?.status ?? '')) return;
const diagnosticTabKey = `${id}:${tab}`;
const requestLifecycleEpoch = diagnosticLifecycleEpochRef.current;
const requestKey = `${diagnosticTabKey}:${requestLifecycleEpoch}`;
if (diagnosticsInFlightRef.current.has(requestKey)) return;
diagnosticsInFlightRef.current.add(requestKey);
const isCurrent = () => downloadIdRef.current === id
&& activeTabRef.current === tab
&& isTorrentDiagnosticsStatus(snapshotRef.current?.status ?? '')
&& diagnosticLifecycleEpochRef.current === requestLifecycleEpoch;
const hasCachedResult = () => tab === 'files'
? fileProgressRef.current !== null
: tab === 'peers'
? peersRef.current !== null || availabilityRef.current !== null
: detailsRef.current !== null;
const hasPreviousAttempt = diagnosticAttemptsRef.current.has(diagnosticTabKey);
diagnosticAttemptsRef.current.add(diagnosticTabKey);
if (isCurrent()) {
const cached = hasCachedResult();
const requestState = propertiesDiagnosticRequestState(cached, hasPreviousAttempt, manual);
setDiagnosticsLoading(requestState.loading);
setDiagnosticsRefreshing(requestState.refreshing);
// A silent refresh with no cached result must not replace a stable
// unavailable/error message between polling requests. Cached results
// remain visible while their request is refreshed in the background.
if (requestState.resetMessage) {
setDiagnosticError('');
setDiagnosticPhase(requestState.phase);
}
}
try {
if (tab === 'overview') {
const nextDetails = await invoke('get_torrent_details', { id });
if (isCurrent()) {
setDetails(nextDetails);
setDiagnosticPhase(propertiesDiagnosticPhase(false, 'success'));
}
} else if (tab === 'files') {
const nextProgress = await invoke('get_torrent_file_progress', { id });
if (isCurrent()) {
setFileProgress(nextProgress);
setDiagnosticPhase(propertiesDiagnosticPhase(false, 'success'));
}
} else if (tab === 'peers') {
const [peerResult, availabilityResult] = await Promise.allSettled([
invoke('get_torrent_peers', { id }),
invoke('get_torrent_availability', { id }),
]);
if (isCurrent()) {
if (peerResult.status === 'fulfilled') setPeers(peerResult.value);
if (availabilityResult.status === 'fulfilled') setAvailability(availabilityResult.value);
const rejectedResults = [peerResult, availabilityResult]
.filter((result): result is PromiseRejectedResult => result.status === 'rejected')
.map(result => result.reason);
const unexpectedErrors = rejectedResults
.filter(error => !isExpectedPropertiesDiagnosticUnavailable(error));
setDiagnosticError(unexpectedErrors.length > 0 ? errorText(unexpectedErrors[0]) : '');
if (rejectedResults.length > 0) {
const hasPeerResult = hasCachedResult()
|| peerResult.status === 'fulfilled'
|| availabilityResult.status === 'fulfilled';
setDiagnosticPhase(propertiesDiagnosticPhase(
hasPeerResult,
unexpectedErrors.length > 0 ? 'unexpected-error' : 'expected-unavailable',
));
} else setDiagnosticPhase(propertiesDiagnosticPhase(false, 'success'));
}
}
} catch (error) {
if (isCurrent()) {
const message = errorText(error);
// A paused row may not have a retained Aria2 GID (for example when it
// was paused before its first dispatch). That is an expected absence,
// not a diagnostic failure, and must not flash a raw backend error.
if (isExpectedPropertiesDiagnosticUnavailable(error)) {
setDiagnosticError('');
setDiagnosticPhase(propertiesDiagnosticPhase(hasCachedResult(), 'expected-unavailable'));
} else {
setDiagnosticError(message);
setDiagnosticPhase(propertiesDiagnosticPhase(hasCachedResult(), 'unexpected-error'));
}
}
} finally {
diagnosticsInFlightRef.current.delete(requestKey);
if (downloadIdRef.current === id
&& activeTabRef.current === tab
&& diagnosticLifecycleEpochRef.current === requestLifecycleEpoch) {
setDiagnosticsLoading(false);
setDiagnosticsRefreshing(false);
}
}
}, []);
useEffect(() => {
let cancelled = false;
let readyRetryTimer: number | undefined;
let readyHeartbeatTimer: number | undefined;
let unlistenSnapshot: UnlistenFn | undefined;
let unlistenResult: UnlistenFn | undefined;
let unlistenRemoved: UnlistenFn | undefined;
const start = async () => {
try {
const id = await invoke('get_properties_window_download_id');
if (cancelled) return;
setDownloadId(id);
const snapshotListener = await listen<PropertiesSnapshotEvent>(PROPERTIES_WINDOW_SNAPSHOT, async event => {
if (event.payload.windowLabel !== windowLabel
|| event.payload.downloadId !== id
|| event.payload.sessionId !== sessionId) return;
if (latestBridgeGenerationRef.current !== null
&& event.payload.bridgeGeneration < latestBridgeGenerationRef.current) return;
if (latestBridgeGenerationRef.current !== event.payload.bridgeGeneration) {
latestBridgeGenerationRef.current = event.payload.bridgeGeneration;
latestSnapshotRevisionRef.current = 0;
diagnosticLifecycleEpochRef.current += 1;
diagnosticLifecycleKeyRef.current = '';
diagnosticAttemptsRef.current.clear();
const lostAction = pendingActionRef.current;
const lostApply = lostAction === 'apply-properties';
// A main-webview restart can lose both the action-result event and
// the store transition event while the child Properties window
// remains alive. No result from the dead bridge can be correlated
// safely after this point, so release the UI lock after adopting
// the next snapshot and require any retry to be an explicit user
// action. This never replays a possibly completed lifecycle
// request, and also recovers when the native request failed while
// its failure event was lost.
requestIdRef.current = nextPropertiesRequestId(requestIdRef.current);
pendingActionRef.current = null;
pendingLifecycleIntentRef.current = null;
setPendingAction(null);
closeAfterSaveRef.current = false;
switchAfterSaveRef.current = null;
if (lostApply) {
// A completed property action is represented by the fresh
// snapshot, not by the stale draft that produced the request.
draftTabRef.current = null;
setDraftTab(null);
setPendingTab(null);
setClosePrompt(false);
}
setPendingTorrentCommand(null);
}
if (event.payload.revision <= latestSnapshotRevisionRef.current) return;
latestSnapshotRevisionRef.current = event.payload.revision;
const nextDiagnosticLifecycleKey = propertiesDiagnosticLifecycleKey(event.payload.snapshot);
if (diagnosticLifecycleKeyRef.current !== nextDiagnosticLifecycleKey) {
diagnosticLifecycleKeyRef.current = nextDiagnosticLifecycleKey;
diagnosticLifecycleEpochRef.current += 1;
diagnosticAttemptsRef.current.clear();
}
await changeAppLocale(event.payload.snapshot.appearance.locale);
if (event.payload.revision !== latestSnapshotRevisionRef.current) return;
appearanceCleanupRef.current?.();
appearanceCleanupRef.current = synchronizeDocumentAppearance(
window,
event.payload.snapshot.appearance,
);
setSnapshot(event.payload.snapshot);
if (pendingActionRef.current === 'pause-resume'
&& pendingLifecycleIntentRef.current
&& propertiesLifecycleReachedPostcondition(
pendingLifecycleIntentRef.current,
event.payload.snapshot.status,
)) {
pendingActionRef.current = null;
pendingLifecycleIntentRef.current = null;
setPendingAction(null);
}
if (draftTabRef.current === null) hydrateDraft(event.payload.snapshot);
void currentWindow.setTitle(safeTitle(event.payload.snapshot.fileName)).catch(() => undefined);
if (!hasRevealedWindowRef.current && !revealInFlightRef.current) {
revealInFlightRef.current = true;
try {
await invoke('properties_window_reveal');
hasRevealedWindowRef.current = true;
if (readyRetryTimer !== undefined) {
window.clearInterval(readyRetryTimer);
readyRetryTimer = undefined;
}
} finally {
revealInFlightRef.current = false;
}
}
});
if (cancelled) {
snapshotListener();
return;
}
unlistenSnapshot = snapshotListener;
const resultListener = await listen<PropertiesActionResult>(PROPERTIES_WINDOW_ACTION_RESULT, event => {
if (event.payload.windowLabel !== windowLabel
|| event.payload.downloadId !== id
|| event.payload.sessionId !== sessionId) return;
if (event.payload.requestId !== requestIdRef.current) return;
const completedAction = pendingActionRef.current;
pendingActionRef.current = null;
pendingLifecycleIntentRef.current = null;
setPendingAction(null);
if (!event.payload.ok) setErrorMessage(event.payload.error ?? 'The action failed');
else {
const nextTab = switchAfterSaveRef.current;
const shouldClose = closeAfterSaveRef.current;
switchAfterSaveRef.current = null;
closeAfterSaveRef.current = false;
setErrorMessage('');
setNotice(completedAction === 'apply-properties' ? t($ => $.properties.saved) : '');
draftTabRef.current = null;
setDraftTab(null);
if (nextTab) {
setActiveTab(nextTab);
setPendingTab(null);
}
if (shouldClose) {
setClosePrompt(false);
void currentWindow.close().catch(error => setErrorMessage(errorText(error)));
}
}
});
if (cancelled) {
resultListener();
return;
}
unlistenResult = resultListener;
const removedListener = await listen<{ windowLabel: string; downloadId: string }>(PROPERTIES_WINDOW_REMOVED, event => {
if (event.payload.windowLabel === windowLabel && event.payload.downloadId === id) {
if (readyRetryTimer !== undefined) {
window.clearInterval(readyRetryTimer);
readyRetryTimer = undefined;
}
if (readyHeartbeatTimer !== undefined) {
window.clearInterval(readyHeartbeatTimer);
readyHeartbeatTimer = undefined;
}
diagnosticLifecycleEpochRef.current += 1;
diagnosticLifecycleKeyRef.current = '';
diagnosticAttemptsRef.current.clear();
setSnapshot(null);
setNotice(t($ => $.downloadTable.noDownloads));
}
});
if (cancelled) {
removedListener();
return;
}
unlistenRemoved = removedListener;
await sendPropertiesReady(sessionId);
if (cancelled) return;
// Tauri event listeners are registered asynchronously. If the main
// bridge was still installing its listener, the first ready event can
// legitimately be missed; retry until the first snapshot confirms
// the handshake rather than leaving a permanently hidden window.
readyRetryTimer = window.setInterval(() => {
if (cancelled || hasRevealedWindowRef.current) return;
void sendPropertiesReady(sessionId).catch(() => undefined);
}, 500);
// The main webview can restart independently of this child window.
// Keep the registration alive so a fresh Properties bridge can send a
// new snapshot and recover action state without replaying a request.
readyHeartbeatTimer = window.setInterval(() => {
if (cancelled) return;
void sendPropertiesReady(sessionId).catch(() => undefined);
}, 2000);
} catch (error) {
if (!cancelled) setErrorMessage(errorText(error));
}
};
void start();
return () => {
cancelled = true;
if (readyRetryTimer !== undefined) window.clearInterval(readyRetryTimer);
if (readyHeartbeatTimer !== undefined) window.clearInterval(readyHeartbeatTimer);
unlistenSnapshot?.();
unlistenResult?.();
unlistenRemoved?.();
appearanceCleanupRef.current?.();
appearanceCleanupRef.current = null;
};
}, [currentWindow, hydrateDraft, sessionId, t, windowLabel]);
useEffect(() => {
if (!snapshot || draftTab !== null) return;
hydrateDraft(snapshot);
}, [draftTab, hydrateDraft, snapshot]);
useEffect(() => {
if (!downloadId || !snapshot || !isTorrent || !isTorrentDiagnosticsStatus(snapshot.status)) {
setDetails(null);
setFileProgress(null);
setPeers(null);
setAvailability(null);
setDiagnosticError('');
setDiagnosticsLoading(false);
setDiagnosticsRefreshing(false);
diagnosticLifecycleEpochRef.current += 1;
diagnosticLifecycleKeyRef.current = '';
diagnosticAttemptsRef.current.clear();
setDiagnosticPhase('idle');
return;
}
if (!isTorrentPollingStatus(snapshot.status)) {
setFileProgress(null);
setPeers(null);
setAvailability(null);
diagnosticAttemptsRef.current.clear();
setDiagnosticPhase('idle');
}
void refreshDiagnostics(activeTab, downloadId);
if (!isTorrentPollingStatus(snapshot.status) || !['files', 'peers'].includes(activeTab)) return;
// Match the 1-second cadence of the normal Aria2 progress poll. The
// diagnostics request itself is still single-flight, so a slow RPC cannot
// create overlapping refreshes.
const interval = window.setInterval(() => void refreshDiagnostics(activeTab, downloadId), 1000);
return () => window.clearInterval(interval);
}, [activeTab, downloadId, isTorrent, refreshDiagnostics, snapshot?.status]);
useEffect(() => {
if (!isDirty) return;
let disposed = false;
let unlisten: UnlistenFn | undefined;
attachAsyncPropertiesListener(currentWindow.onCloseRequested(event => {
event.preventDefault();
setClosePrompt(true);
}), () => disposed, value => { unlisten = value; });
return () => {
disposed = true;
unlisten?.();
};
}, [currentWindow, isDirty]);
const requestAction = useCallback(async (
action: PropertiesAction,
payload?: PropertiesActionRequest['payload'],
) => {
if (!downloadId || pendingActionRef.current !== null) return;
const requestId = nextPropertiesRequestId(requestIdRef.current);
requestIdRef.current = requestId;
pendingActionRef.current = action;
if (action === 'pause-resume') {
pendingLifecycleIntentRef.current = getPropertiesLifecycleAction(snapshot?.status ?? 'completed');
} else {
pendingLifecycleIntentRef.current = null;
}
setPendingAction(action);
try {
await sendPropertiesActionRequest({
windowLabel,
downloadId,
sessionId,
requestId,
action,
payload,
});
} catch (error) {
setPendingAction(null);
pendingActionRef.current = null;
pendingLifecycleIntentRef.current = null;
closeAfterSaveRef.current = false;
switchAfterSaveRef.current = null;
setErrorMessage(errorText(error));
}
}, [downloadId, sessionId, snapshot?.status, windowLabel]);
const updateSecretDraft = (name: SecretName, value: string) => {
setSecretDrafts(current => ({
...current,
[name]: { value, touched: true, clear: false },
}));
setDraftTab('advanced');
};
const clearSecretDraft = (name: SecretName) => {
setSecretDrafts(current => ({
...current,
[name]: { value: '', touched: true, clear: true },
}));
setDraftTab('advanced');
};
const applyActiveTab = useCallback(async () => {
if (!snapshot || !isEditableStatus(snapshot.status)) {
closeAfterSaveRef.current = false;
switchAfterSaveRef.current = null;
setErrorMessage(t($ => $.properties.editingUnavailable));
return;
}
const patch: PropertiesPatch = {};
if (activeTab === 'overview') {
if (fileName !== snapshot.fileName) patch.fileName = fileName;
if (destination !== (snapshot.destination ?? '')) patch.destination = destination || undefined;
if (!isTorrent && connections.trim() && Number(connections) !== snapshot.connections) {
patch.connections = Number(connections);
}
} else if (activeTab === 'files' && isTorrent) {
const nextSelectedFiles = selectedFiles
?? fileProgress?.files.filter(file => file.selected).map(file => file.index)
?? [];
if (!isTorrentFileSelectionEditable(snapshot.status)) {
setErrorMessage(t($ => $.properties.editingUnavailable));
closeAfterSaveRef.current = false;
switchAfterSaveRef.current = null;
return;
}
if (nextSelectedFiles.length === 0) {
setErrorMessage(t($ => $.properties.torrentFileSelectionRequired));
closeAfterSaveRef.current = false;
switchAfterSaveRef.current = null;
return;
}
await requestAction('set-torrent-file-selection', { selectedIndices: nextSelectedFiles });
return;
} else if (activeTab === 'trackers') {
if (trackers !== (snapshot.torrentTrackers ?? '')) patch.torrentTrackers = trackers;
if (excludedTrackers !== (snapshot.torrentExcludeTrackers ?? '')) patch.torrentExcludeTrackers = excludedTrackers;
if (trackerConnectTimeout !== String(snapshot.torrentTrackerConnectTimeout ?? '')) {
patch.torrentTrackerConnectTimeout = trackerConnectTimeout.trim() ? Number(trackerConnectTimeout) : undefined;
}
if (trackerTimeout !== String(snapshot.torrentTrackerTimeout ?? '')) {
patch.torrentTrackerTimeout = trackerTimeout.trim() ? Number(trackerTimeout) : undefined;
}
if (trackerInterval !== String(snapshot.torrentTrackerInterval ?? '')) {
patch.torrentTrackerInterval = trackerInterval.trim() ? Number(trackerInterval) : undefined;
}
} else if (activeTab === 'options' || activeTab === 'transfer') {
if (downloadLimit !== (snapshot.speedLimit ?? '')) patch.speedLimit = downloadLimit;
if (activeTab === 'transfer' && !isTorrent && connections.trim()) {
const nextConnections = Number(connections);
if (nextConnections !== snapshot.connections) patch.connections = nextConnections;
}
if (isTorrent) {
if (removeUnselectedFile && (!snapshot.torrentFileIndices || snapshot.torrentFileIndices.length === 0)) {
setErrorMessage(t($ => $.properties.torrentRemoveUnselectedFileSelectionRequired));
closeAfterSaveRef.current = false;
switchAfterSaveRef.current = null;
return;
}
if (uploadLimit !== (snapshot.torrentUploadLimit ?? '')) patch.torrentUploadLimit = uploadLimit;
if (maxPeers !== String(snapshot.torrentMaxPeers ?? '')) {
patch.torrentMaxPeers = maxPeers.trim() ? Number(maxPeers) : undefined;
}
if (peerSpeedLimit !== (snapshot.torrentPeerSpeedLimit ?? '')) patch.torrentPeerSpeedLimit = peerSpeedLimit;
if (seedTime !== String(snapshot.torrentSeedTime ?? '')) {
patch.torrentSeedTime = seedTime.trim() ? Number(seedTime) : undefined;
}
if (seedRatio !== String(snapshot.torrentSeedRatio ?? '')) {
patch.torrentSeedRatio = seedRatio.trim() ? Number(seedRatio) : undefined;
}
if (checkIntegrity !== (snapshot.torrentCheckIntegrity === true)) patch.torrentCheckIntegrity = checkIntegrity;
if (removeUnselectedFile !== (snapshot.torrentRemoveUnselectedFile === true)) patch.torrentRemoveUnselectedFile = removeUnselectedFile;
if (stopTimeout !== String(snapshot.torrentStopTimeout ?? '')) {
patch.torrentStopTimeout = stopTimeout.trim() ? Number(stopTimeout) : undefined;
}
if (prioritizePiece !== (snapshot.torrentPrioritizePiece ?? '')) patch.torrentPrioritizePiece = prioritizePiece.trim() || undefined;
const snapshotEncryptionPolicy = (snapshot.torrentEncryptionPolicy as TorrentEncryptionPolicy | undefined) ?? TORRENT_ENCRYPTION_POLICY_DISABLED;
if (encryptionPolicy !== snapshotEncryptionPolicy) {
patch.torrentEncryptionPolicy = encryptionPolicy === TORRENT_ENCRYPTION_POLICY_DISABLED ? undefined : encryptionPolicy;
}
if (fileAllocation !== ((snapshot.torrentFileAllocation as TorrentFileAllocation | undefined) ?? 'prealloc')) patch.torrentFileAllocation = fileAllocation;
}
} else if (activeTab === 'advanced') {
for (const name of SECRET_NAMES) {
const draft = secretDrafts[name];
if (!draft.touched) continue;
patch[name] = draft.clear ? { kind: 'clear' } : { kind: 'replace', value: draft.value };
}
}
await requestAction('apply-properties', patch);
}, [activeTab, checkIntegrity, connections, destination, downloadLimit, encryptionPolicy, excludedTrackers, fileAllocation, fileName, fileProgress, isTorrent, maxPeers, peerSpeedLimit, prioritizePiece, removeUnselectedFile, requestAction, secretDrafts, seedRatio, seedTime, selectedFiles, snapshot, stopTimeout, trackerConnectTimeout, trackerInterval, trackerTimeout, trackers, t, uploadLimit]);
const chooseTab = (tab: PropertiesTab) => {
if (tab === activeTab) return;
if (isDirty) setPendingTab(tab);
else setActiveTab(tab);
};
const discardDraft = () => {
const shouldClose = closePrompt;
if (snapshot) hydrateDraft(snapshot);
draftTabRef.current = null;
setDraftTab(null);
if (pendingTab) setActiveTab(pendingTab);
setPendingTab(null);
setClosePrompt(false);
if (shouldClose) void currentWindow.close().catch(error => setErrorMessage(errorText(error)));
};
const closeWindow = async () => {
if (!downloadId) return;
try {
await invoke('close_download_properties_window', { id: downloadId });
} catch (error) {
setErrorMessage(errorText(error));
}
};
const performTorrentAction = async (action: 'magnet' | 'export' | 'move' | 'verify') => {
if (!downloadId) return;
if (action === 'verify') {
await requestAction('verify-torrent');
return;
}
if (pendingTorrentCommand !== null) return;
setPendingTorrentCommand(action);
try {
if (action === 'magnet') {
await writeClipboardText(await invoke('get_torrent_magnet_link', { id: downloadId }));
setNotice(t($ => $.properties.torrentMagnetCopied));
} else if (action === 'export') {
const destinationPath = await save({ defaultPath: `${snapshot?.fileName || 'download'}.torrent` });
if (destinationPath) {
await invoke('export_torrent_metadata', { id: downloadId, destination: destinationPath });
setNotice(t($ => $.properties.torrentMetadataExported));
}
} else if (action === 'move') {
const selected = await open({ directory: true, multiple: false });
if (selected && typeof selected === 'string') {
await invoke('move_torrent_data', { id: downloadId, destination: selected });
setNotice(t($ => $.properties.torrentMoveCompleted));
}
}
} catch (error) {
setErrorMessage(errorText(error));
} finally {
setPendingTorrentCommand(null);
}
};
if (!downloadId) {
return <main className="properties-window-shell p-6" role="status">{errorMessage || t($ => $.app.loading)}</main>;
}
if (!snapshot) {
return <main className="properties-window-shell p-6" role="status">{errorMessage || t($ => $.app.loading)}</main>;
}
const progress = Math.max(0, Math.min(1, snapshot.fraction ?? 0));
const lifecycleAction = getPropertiesLifecycleAction(snapshot.status);
const editingEnabled = pendingAction === null && isEditableStatus(snapshot.status);
const fileSelectionEditingEnabled = editingEnabled && isTorrentFileSelectionEditable(snapshot.status);
const total = snapshot.size || (snapshot.totalBytes === undefined
? t($ => $.addDownloads.unknownSize)
: `${snapshot.totalIsEstimate ? '~' : ''}${formatDownloadBytes(snapshot.totalBytes)}`);
const statusLabel = t($ => $.downloads.status[snapshot.status]);
const connectionMetric = isTorrent
? String(snapshot.connectedPeers ?? '—')
: snapshot.isMedia === true
? `${snapshot.connections ?? '—'} ${t($ => $.properties.configuredConcurrency)}`
: `${snapshot.activeConnections ?? '—'} / ${snapshot.requestedConnections ?? snapshot.connections ?? '—'} ${t($ => $.properties.connections)}`;
const queuePlacement = formatPropertiesQueuePlacement(
snapshot.queueName,
snapshot.queuePosition,
position => t($ => $.properties.queuePosition, { position }),
);
const progressPercent = `${Math.round(progress * 100)}%`;
const statusTone = propertiesStatusTone(snapshot.status);
const lifecycleLabel = lifecycleAction === 'pause'
? t($ => $.downloads.actions.pause)
: lifecycleAction === 'resume'
? t($ => $.downloads.actions.resume)
: lifecycleAction === 'retry'
? t($ => $.downloads.actions.retry)
: t($ => $.downloads.actions.start);
const tabLabel = (tab: PropertiesTab) => {
switch (tab) {
case 'overview': return t($ => $.properties.details);
case 'files': return t($ => $.properties.torrentFileProgress);
case 'trackers': return t($ => $.properties.torrentTrackers);
case 'peers': return t($ => $.properties.torrentPeerDiagnostics);
case 'options': return t($ => $.downloads.actions.options);
case 'transfer': return t($ => $.properties.connections);
case 'advanced': return t($ => $.properties.advancedTransfer);
}
};
return (
<main className="properties-window-shell flex h-screen min-h-0 flex-col bg-main-bg text-text-primary" aria-labelledby="properties-window-title">
<header className="properties-window-header shrink-0 border-b border-border-modal bg-sidebar-bg px-5 py-4">
<div className="properties-window-hero-top">
<div className="properties-window-title-block min-w-0">
<div className="properties-window-title-line">
<h1 id="properties-window-title" className="truncate text-base font-semibold" title={snapshot.fileName}>{snapshot.fileName}</h1>
<span className={`properties-status-pill properties-status-${statusTone}`}>{statusLabel}</span>
</div>
<p className="properties-window-queue text-xs text-text-muted" title={queuePlacement}>{queuePlacement}</p>
</div>
<div className="properties-window-command-bar" aria-label={t($ => $.actions.continue)}>
{lifecycleAction && <button
type="button"
className="app-button app-button-primary properties-primary-action px-3 text-xs"
disabled={pendingAction !== null}
title={lifecycleLabel}
aria-label={lifecycleLabel}
onClick={() => {
if (lifecycleAction === 'pause'
&& snapshot.resumable === false
&& !window.confirm(t($ => $.downloadTable.nonResumableOne))) {
return;
}
void requestAction('pause-resume');
}}
>
{lifecycleAction === 'pause' ? <Pause size={14} /> : <Play size={14} />}
<span className="properties-command-label">{lifecycleLabel}</span>
</button>}
{isTorrent && <>
<div className="properties-secondary-actions">
<button type="button" className="app-button properties-command-button px-3 text-xs" disabled={pendingTorrentCommand === 'magnet'} onClick={() => void performTorrentAction('magnet')} title={t($ => $.properties.torrentCopyMagnet)}><Copy size={14} /><span className="properties-command-label">{t($ => $.properties.torrentCopyMagnet)}</span></button>
<button type="button" className="app-button properties-command-button px-3 text-xs" disabled={pendingTorrentCommand === 'export'} onClick={() => void performTorrentAction('export')} title={t($ => $.properties.torrentExportMetadata)}><FileDown size={14} /><span className="properties-command-label">{t($ => $.properties.torrentExportMetadata)}</span></button>
<button type="button" className="app-button properties-command-button px-3 text-xs" disabled={pendingTorrentCommand === 'move'} onClick={() => void performTorrentAction('move')} title={t($ => $.properties.torrentMove)}><FolderOpen size={14} /><span className="properties-command-label">{t($ => $.properties.torrentMove)}</span></button>
</div>
<details className="properties-command-overflow">
<summary className="app-icon-button" title={t($ => $.downloads.actions.options)} aria-label={t($ => $.downloads.actions.options)}><MoreHorizontal size={16} /></summary>
<div className="properties-command-menu">
<button type="button" disabled={pendingTorrentCommand === 'magnet'} onClick={() => void performTorrentAction('magnet')}><Copy size={14} />{t($ => $.properties.torrentCopyMagnet)}</button>
<button type="button" disabled={pendingTorrentCommand === 'export'} onClick={() => void performTorrentAction('export')}><FileDown size={14} />{t($ => $.properties.torrentExportMetadata)}</button>
<button type="button" disabled={pendingTorrentCommand === 'move'} onClick={() => void performTorrentAction('move')}><FolderOpen size={14} />{t($ => $.properties.torrentMove)}</button>
</div>
</details>
</>}
</div>
</div>
<div className="properties-window-progress-row" dir="ltr">
<div className="properties-window-progress-track" aria-label={t($ => $.properties.progress)} role="progressbar" aria-valuemin={0} aria-valuemax={100} aria-valuenow={Math.round(progress * 100)}>
<div className={`properties-window-progress-fill properties-progress-${statusTone}`} style={{ width: `${progress * 100}%` }} />
</div>
<span className="properties-window-progress-percent">{progressPercent}</span>
</div>
<div className="properties-window-metrics" dir="ltr">
<div className="properties-metric-card"><Download size={14} /><div><span>{t($ => $.properties.size)}</span><strong>{formatDownloadBytes(snapshot.downloadedBytes ?? 0)} / {total}</strong></div></div>
<div className="properties-metric-card"><Gauge size={14} /><div><span>{t($ => $.properties.speed)}</span><strong>{snapshot.speed || '—'}</strong></div></div>
<div className="properties-metric-card"><Timer size={14} /><div><span>{t($ => $.properties.eta)}</span><strong>{snapshot.eta || '—'}</strong></div></div>
<div className="properties-metric-card"><Users size={14} /><div><span>{isTorrent ? t($ => $.properties.torrentConnectedPeers) : t($ => $.properties.connections)}</span><strong>{connectionMetric}</strong></div></div>
{isTorrent && <>
<div className="properties-metric-card"><Upload size={14} /><div><span>{t($ => $.properties.torrentUploaded)}</span><strong>{formatDownloadBytes(snapshot.torrentUploadedBytes ?? 0)}</strong></div></div>
<div className="properties-metric-card"><Activity size={14} /><div><span>{t($ => $.properties.torrentRatio)}</span><strong>{formatTorrentRatio(snapshot.torrentUploadedBytes ?? 0, snapshot.downloadedBytes ?? 0, 'en-US')}</strong></div></div>
</>}
</div>
<div className="properties-window-destination" title={snapshot.destination || undefined}><MapPin size={13} /><span>{snapshot.destination || '—'}</span></div>
</header>
<nav className="properties-window-tabs flex shrink-0 gap-1 overflow-x-auto border-b border-border-modal px-4" role="tablist" aria-label={t($ => $.downloadTable.properties)}>
{tabs.map(tab => (
<button
key={tab}
type="button"
role="tab"
aria-selected={activeTab === tab}
aria-controls={`properties-panel-${tab}`}
tabIndex={activeTab === tab ? 0 : -1}
className={`whitespace-nowrap border-b-2 px-3 py-2 text-xs font-medium ${activeTab === tab ? 'border-accent text-text-primary' : 'border-transparent text-text-muted hover:text-text-primary'}`}
onClick={() => chooseTab(tab)}
onKeyDown={event => {
const index = tabs.indexOf(tab);
const nextIndex = event.key === 'ArrowRight' ? (index + 1) % tabs.length : event.key === 'ArrowLeft' ? (index - 1 + tabs.length) % tabs.length : event.key === 'Home' ? 0 : event.key === 'End' ? tabs.length - 1 : -1;
if (nextIndex >= 0) {
event.preventDefault();
const next = tabs[nextIndex];
chooseTab(next);
window.setTimeout(() => document.getElementById(`properties-tab-${next}`)?.focus(), 0);
}
}}
id={`properties-tab-${tab}`}
>{tabLabel(tab)}</button>
))}
</nav>
<section id={`properties-panel-${activeTab}`} role="tabpanel" aria-labelledby={`properties-tab-${activeTab}`} className="properties-window-panel min-h-0 flex-1 overflow-auto p-5" data-diagnostic-phase={diagnosticPhase} tabIndex={0}>
{activeTab === 'overview' && <div className="space-y-4">
<div className="grid gap-3 sm:grid-cols-2">
<label className="text-xs text-text-muted">{t($ => $.properties.fileName)}<input className="app-control mt-1 w-full" value={fileName} onChange={event => { setFileName(event.target.value); setDraftTab('overview'); }} disabled={!editingEnabled} /></label>
<label className="text-xs text-text-muted">{t($ => $.properties.destination)}<input className="app-control mt-1 w-full" value={destination} onChange={event => { setDestination(event.target.value); setDraftTab('overview'); }} disabled={!editingEnabled} /></label>
</div>
<div className="grid gap-3 sm:grid-cols-2">
<div className="rounded-lg border border-border-modal bg-bg-input/30 p-3 text-xs"><span className="text-text-muted">{t($ => $.properties.url)}</span><p className="mt-1 break-all" dir="ltr">{snapshot.url}</p></div>
<div className="rounded-lg border border-border-modal bg-bg-input/30 p-3 text-xs"><span className="text-text-muted">{t($ => $.properties.category)}</span><p className="mt-1">{snapshot.category}</p></div>
</div>
<div className="grid gap-2 rounded-lg border border-border-modal bg-bg-input/30 p-3 text-xs sm:grid-cols-2">
<span className="text-text-muted">{t($ => $.properties.dateAdded)}</span><span dir="ltr">{snapshot.dateAdded || '—'}</span>
<span className="text-text-muted">{t($ => $.properties.lastTry)}</span><span dir="ltr">{snapshot.lastTry || '—'}</span>
<span className="text-text-muted">{t($ => $.properties.queueId)}</span><span title={queuePlacement}>{queuePlacement}</span>
<span className="text-text-muted">{t($ => $.properties.resumable)}</span><span>{snapshot.resumable === false ? '—' : '✓'}</span>
{snapshot.lastError && <>
<span className="text-text-muted">{t($ => $.properties.lastError)}</span>
<div className="space-y-1 break-words text-red-300">
{snapshot.lastErrorKind === 'nameResolution' && (
<p className="font-medium text-text-primary">
{snapshot.status === 'retrying'
? snapshot.lastResolverFallback === true
? t($ => $.downloads.errors.nameResolutionRetrying)
: t($ => $.downloads.status.retrying)
: t($ => $.downloads.errors.nameResolutionFailed)}
</p>
)}
<span>{snapshot.lastError}</span>
</div>
</>}
</div>
{snapshot.isMedia === true && <div className="grid gap-2 rounded-lg border border-border-modal bg-bg-input/30 p-3 text-xs sm:grid-cols-2">
<span className="text-text-muted">{t($ => $.addDownloads.format)}</span><span className="break-all font-mono">{snapshot.mediaFormatSelector || '—'}</span>
<span className="text-text-muted">{t($ => $.addDownloads.quality)}</span><span>{snapshot.mediaQuality || '—'}</span>
<span className="text-text-muted">{t($ => $.properties.configuredConcurrency)}</span><span>{snapshot.connections ?? '—'}</span>
</div>}
{isTorrent && details && <div className="grid gap-2 rounded-lg border border-border-modal bg-bg-input/30 p-3 text-xs sm:grid-cols-2">
<span className="text-text-muted">{t($ => $.properties.torrentDetailsDisplayName)}</span><span>{details.displayName || '—'}</span>
<span className="text-text-muted">{t($ => $.properties.torrentDetailsInfoHash)}</span><span className="font-mono break-all">{details.infoHash}</span>
<span className="text-text-muted">{t($ => $.properties.torrentDetailsSize)}</span><span>{formatDownloadBytes(details.totalBytes)}</span>
<span className="text-text-muted">{t($ => $.properties.torrentDetailsFiles)}</span><span>{details.fileCount}</span>
<span className="text-text-muted">{t($ => $.properties.torrentDetailsPieces)}</span><span>{details.pieceCount} × {formatDownloadBytes(details.pieceLength)}</span>
<span className="text-text-muted">{t($ => $.properties.torrentDetailsPrivate)}</span><span>{details.private ? t($ => $.properties.torrentDetailsPrivateYes) : t($ => $.properties.torrentDetailsPrivateNo)}</span>
<span className="text-text-muted">{t($ => $.properties.torrentDetailsCreated)}</span><span>{details.creationDate || '—'}</span>
<span className="text-text-muted">{t($ => $.properties.torrentDetailsCreator)}</span><span>{details.creator || '—'}</span>
<span className="text-text-muted">{t($ => $.properties.torrentDetailsComment)}</span><span className="break-words">{details.comment || '—'}</span>
</div>}
{isTorrent && <div className="flex flex-wrap gap-2"><button type="button" className="app-button px-3 text-xs" disabled={pendingAction !== null || !['paused', 'completed', 'failed'].includes(snapshot.status)} onClick={() => void performTorrentAction('verify')}><RefreshCw size={14} />{t($ => $.properties.torrentVerifyNow)}</button></div>}
</div>}
{activeTab === 'files' && isTorrent && <div className="space-y-3">
<div className="flex flex-wrap gap-2"><button type="button" className="app-button px-3 text-xs" disabled={!fileSelectionEditingEnabled} onClick={() => { const all = fileProgress?.files.map(file => file.index) ?? []; setSelectedFiles(all); setDraftTab('files'); }}>{t($ => $.properties.torrentFileSelectionAll)}</button><button type="button" className="app-button px-3 text-xs" disabled={!fileSelectionEditingEnabled} onClick={() => { setSelectedFiles([]); setDraftTab('files'); }}>{t($ => $.properties.torrentFileSelectionClear)}</button><button type="button" className="app-button px-3 text-xs" aria-busy={diagnosticsLoading || diagnosticsRefreshing} onClick={() => downloadId && void refreshDiagnostics('files', downloadId, true)}><RefreshCw size={14} className={diagnosticsLoading || diagnosticsRefreshing ? 'animate-spin motion-reduce:animate-none' : undefined} />{t($ => $.properties.torrentFileProgressRefresh)}</button></div>
<div className="overflow-auto rounded-lg border border-border-modal"><table className="w-full min-w-[640px] text-xs" dir="ltr"><thead className="sticky top-0 bg-sidebar-bg text-left text-text-muted"><tr><th className="p-2">{t($ => $.properties.torrentFileProgressSelected)}</th><th className="p-2">#</th><th className="p-2">{t($ => $.properties.torrentFileProgressPath)}</th><th className="p-2">{t($ => $.properties.size)}</th><th className="p-2">{t($ => $.properties.torrentFileProgressCompleted)}</th></tr></thead><tbody>{fileProgress?.files.map(file => { const checked = selectedFiles === null ? file.selected : selectedFiles.includes(file.index); return <tr key={file.index} className="border-t border-border-modal/60"><td className="p-2"><input type="checkbox" checked={checked} disabled={!fileSelectionEditingEnabled} onChange={() => { const current = selectedFiles ?? fileProgress.files.filter(candidate => candidate.selected).map(candidate => candidate.index); const next = checked ? current.filter(index => index !== file.index) : [...current, file.index]; setSelectedFiles(next); setDraftTab('files'); }} aria-label={`${file.index + 1} ${file.relativePath}`} /></td><td className="p-2">{file.index + 1}</td><td className="max-w-[420px] truncate p-2" dir="auto">{file.relativePath}</td><td className="p-2">{formatDownloadBytes(file.length)}</td><td className="p-2">{formatDownloadBytes(file.completedLength)} ({file.length ? Math.round(file.completedLength / file.length * 100) : 0}%)</td></tr>; })}</tbody></table></div>
{diagnosticPhase === 'initial' && diagnosticsLoading && !fileProgress && <p className="text-xs text-text-muted">{t($ => $.properties.torrentFileProgressLoading)}</p>}
{diagnosticPhase === 'unavailable' && !fileProgress && !diagnosticError && <p className="text-xs text-text-muted">{t($ => $.properties.torrentFileProgressUnavailable)}</p>}
{diagnosticError && <p className="text-xs text-red-400" role="alert">{diagnosticError}</p>}
</div>}
{activeTab === 'trackers' && isTorrent && <div className="space-y-4">
<label className="block text-xs text-text-muted">{t($ => $.properties.torrentTrackers)}<textarea className="app-control mt-1 min-h-28 w-full font-mono" value={trackers} disabled={!editingEnabled} onChange={event => { setTrackers(event.target.value); setDraftTab('trackers'); }} /></label>
<label className="block text-xs text-text-muted">{t($ => $.properties.torrentExcludeTrackers)}<textarea className="app-control mt-1 min-h-28 w-full font-mono" value={excludedTrackers} disabled={!editingEnabled} onChange={event => { setExcludedTrackers(event.target.value); setDraftTab('trackers'); }} /></label>
<div className="grid gap-3 sm:grid-cols-3">
<label className="text-xs text-text-muted">{t($ => $.properties.torrentTrackerConnectTimeout)}<input className="app-control mt-1 w-full" value={trackerConnectTimeout} disabled={!editingEnabled} onChange={event => { setTrackerConnectTimeout(event.target.value); setDraftTab('trackers'); }} inputMode="numeric" placeholder="60" /></label>
<label className="text-xs text-text-muted">{t($ => $.properties.torrentTrackerTimeout)}<input className="app-control mt-1 w-full" value={trackerTimeout} disabled={!editingEnabled} onChange={event => { setTrackerTimeout(event.target.value); setDraftTab('trackers'); }} inputMode="numeric" placeholder="60" /></label>
<label className="text-xs text-text-muted">{t($ => $.properties.torrentTrackerInterval)}<input className="app-control mt-1 w-full" value={trackerInterval} disabled={!editingEnabled} onChange={event => { setTrackerInterval(event.target.value); setDraftTab('trackers'); }} inputMode="numeric" placeholder="0" /></label>
</div>
<p className="text-xs text-text-muted">{t($ => $.properties.torrentTrackersHint)}</p>
{details && <div className="rounded-lg border border-border-modal bg-bg-input/30 p-3 text-xs"><strong>{t($ => $.properties.torrentDetailsTrackers)}</strong><p className="mt-1 break-words" dir="auto">{details.trackers.join(', ') || '—'}</p></div>}
</div>}
{activeTab === 'peers' && isTorrent && <div className="space-y-4">
<div className="flex items-center justify-between"><p className="text-sm">{peers ? t($ => $.properties.torrentPeerCount, { total: peers.totalPeers, seeders: peers.totalSeeders }) : diagnosticsLoading ? t($ => $.properties.torrentPeerDiagnosticsLoading) : t($ => $.properties.torrentPeerDiagnosticsUnavailable)}</p><button type="button" className="app-button px-3 text-xs" aria-busy={diagnosticsLoading || diagnosticsRefreshing} onClick={() => downloadId && void refreshDiagnostics('peers', downloadId, true)}><RefreshCw size={14} className={diagnosticsLoading || diagnosticsRefreshing ? 'animate-spin motion-reduce:animate-none' : undefined} />{t($ => $.properties.torrentPeerDiagnosticsRefresh)}</button></div>
<div className="grid gap-3 sm:grid-cols-2"><div className="rounded-lg border border-border-modal bg-bg-input/30 p-3 text-xs"><span className="text-text-muted">{t($ => $.properties.torrentAvailability)}</span><p className="mt-1">{availability ? `${availability.availability} · ${availability.pieceCount} ${t($ => $.properties.torrentDetailsPieces)}` : '—'}</p></div><div className="rounded-lg border border-border-modal bg-bg-input/30 p-3 text-xs"><span className="text-text-muted">{t($ => $.properties.torrentPeerDiagnosticsHint)}</span><p className="mt-1">{peers?.truncated ? t($ => $.properties.torrentPeerShowing, { shown: peers.peers.length, total: peers.totalPeers }) : peers?.peers.length ?? 0}</p></div></div>
<div className="overflow-auto rounded-lg border border-border-modal"><table className="w-full min-w-[640px] text-xs" dir="ltr"><thead className="bg-sidebar-bg text-left text-text-muted"><tr><th className="p-2">{t($ => $.properties.torrentPeerAddress)}</th><th className="p-2">{t($ => $.properties.torrentPeerDownload)}</th><th className="p-2">{t($ => $.properties.torrentPeerUpload)}</th><th className="p-2">{t($ => $.properties.torrentPeerSeeder)}</th><th className="p-2">{t($ => $.properties.torrentPeerChoking)}</th></tr></thead><tbody>{peers?.peers.map((peer, index) => <tr key={`${peer.ip ?? 'peer'}-${peer.port ?? 'unknown'}-${index}`} className="border-t border-border-modal/60"><td className="p-2 font-mono">{peer.ip ? `${peer.ip.includes(':') ? `[${peer.ip}]` : peer.ip}${peer.port == null ? '' : `:${peer.port}`}` : '—'}</td><td className="p-2">{formatDownloadBytes(peer.downloadSpeed)}/s</td><td className="p-2">{formatDownloadBytes(peer.uploadSpeed)}/s</td><td className="p-2">{peer.seeder ? '✓' : '—'}</td><td className="p-2">{peer.peerChoking ? '✓' : '—'}</td></tr>)}</tbody></table></div>
{diagnosticError && <p className="text-xs text-red-400" role="alert">{diagnosticError}</p>}
</div>}
{activeTab === 'transfer' && <div className="space-y-4">
<div className="grid max-w-2xl gap-4 sm:grid-cols-2">
<label className="text-xs text-text-muted">{t($ => $.properties.speedCap)}<input className="app-control mt-1 w-full" value={downloadLimit} onChange={event => { setDownloadLimit(event.target.value); setDraftTab('transfer'); }} placeholder="1024K" disabled={!editingEnabled} /></label>
<div className="rounded-lg border border-border-modal bg-bg-input/30 p-3 text-xs"><span className="text-text-muted">{snapshot.isMedia === true ? t($ => $.properties.configuredConcurrency) : t($ => $.properties.connections)}</span><p className="mt-1">{snapshot.isMedia === true ? snapshot.connections ?? '—' : `${snapshot.activeConnections ?? '—'} / ${snapshot.requestedConnections ?? snapshot.connections ?? '—'}`}</p></div>
</div>
<label className="block max-w-2xl text-xs text-text-muted">{snapshot.isMedia === true ? t($ => $.properties.configuredConcurrency) : t($ => $.properties.connections)}<div className="mt-2 flex items-center gap-3"><input type="range" min="1" max="16" value={connections || '1'} onChange={event => { setConnections(event.target.value); setDraftTab('transfer'); }} disabled={!editingEnabled} className="min-w-0 flex-1 accent-blue-500" aria-label={t($ => $.properties.connections)} /><span className="w-8 text-center font-mono text-text-primary">{connections || '1'}</span></div></label>
<p className="text-xs text-text-muted">{t($ => $.properties.transferSettings)}</p>
</div>}
{activeTab === 'options' && isTorrent && <div className="space-y-5 text-xs">
<div className="grid max-w-3xl gap-4 sm:grid-cols-2">
<label className="text-text-muted">{t($ => $.properties.speedCap)}<input className="app-control mt-1 w-full" value={downloadLimit} onChange={event => { setDownloadLimit(event.target.value); setDraftTab('options'); }} placeholder="1024K" disabled={!editingEnabled} /></label>
<label className="text-text-muted">{t($ => $.properties.liveTorrentUploadLimit)}<input className="app-control mt-1 w-full" value={uploadLimit} onChange={event => { setUploadLimit(event.target.value); setDraftTab('options'); }} placeholder="1024K" disabled={!editingEnabled} /></label>
<label className="text-text-muted">{t($ => $.properties.torrentMaxPeers)}<input className="app-control mt-1 w-full" value={maxPeers} onChange={event => { setMaxPeers(event.target.value); setDraftTab('options'); }} inputMode="numeric" placeholder={String(propertiesTorrentPeerLimit(undefined))} disabled={!editingEnabled} /></label>
<label className="text-text-muted">{t($ => $.properties.torrentPeerSpeedLimit)}<input className="app-control mt-1 w-full" value={peerSpeedLimit} onChange={event => { setPeerSpeedLimit(event.target.value); setDraftTab('options'); }} placeholder="50K" disabled={!editingEnabled} /></label>
<label className="text-text-muted">{t($ => $.addDownloads.seedTime)}<input className="app-control mt-1 w-full" value={seedTime} onChange={event => { setSeedTime(event.target.value); setDraftTab('options'); }} inputMode="decimal" placeholder={t($ => $.properties.defaultValue)} disabled={!editingEnabled} /></label>
<label className="text-text-muted">{t($ => $.addDownloads.seedRatio)}<input className="app-control mt-1 w-full" value={seedRatio} onChange={event => { setSeedRatio(event.target.value); setDraftTab('options'); }} inputMode="decimal" placeholder="0" disabled={!editingEnabled} /></label>
<label className="text-text-muted">{t($ => $.properties.torrentStopTimeout)}<input className="app-control mt-1 w-full" value={stopTimeout} onChange={event => { setStopTimeout(event.target.value); setDraftTab('options'); }} inputMode="numeric" placeholder="0" disabled={!editingEnabled} /></label>
<label className="text-text-muted">{t($ => $.properties.torrentPrioritizePiece)}<input className="app-control mt-1 w-full" value={prioritizePiece} onChange={event => { setPrioritizePiece(event.target.value); setDraftTab('options'); }} placeholder="head=1M,tail=1M" disabled={!editingEnabled} /></label>
</div>
<div className="grid max-w-3xl gap-3 sm:grid-cols-2">
<label className="flex items-center gap-2"><input type="checkbox" checked={checkIntegrity} onChange={event => { setCheckIntegrity(event.target.checked); setDraftTab('options'); }} disabled={!editingEnabled} />{t($ => $.properties.torrentVerifyIntegrity)}</label>
<label className="flex items-center gap-2"><input type="checkbox" checked={removeUnselectedFile} onChange={event => { setRemoveUnselectedFile(event.target.checked); setDraftTab('options'); }} disabled={!editingEnabled || (!removeUnselectedFile && (!snapshot.torrentFileIndices || snapshot.torrentFileIndices.length === 0))} />{t($ => $.properties.torrentRemoveUnselectedFile)}</label>
<label className="flex items-center gap-2 text-text-muted">{t($ => $.properties.torrentFileAllocation)}<select className="app-control" value={fileAllocation} onChange={event => { setFileAllocation(event.target.value as TorrentFileAllocation); setDraftTab('options'); }} disabled={!editingEnabled}><option value="prealloc">{t($ => $.properties.torrentFileAllocationPrealloc)}</option><option value="none">{t($ => $.properties.torrentFileAllocationNone)}</option></select></label>
<label className="flex items-center gap-2 text-text-muted">{t($ => $.properties.torrentEncryptionPolicy)}<select className="app-control" value={encryptionPolicy} onChange={event => { setEncryptionPolicy(event.target.value as TorrentEncryptionPolicy); setDraftTab('options'); }} disabled={!editingEnabled}><option value={TORRENT_ENCRYPTION_POLICY_DISABLED}>{t($ => $.properties.torrentEncryptionDisabled)}</option><option value={TORRENT_ENCRYPTION_POLICY_REQUIRE_CRYPTO}>{t($ => $.properties.torrentEncryptionRequireCrypto)}</option><option value={TORRENT_ENCRYPTION_POLICY_FORCE_ENCRYPTION}>{t($ => $.properties.torrentEncryptionForceEncryption)}</option></select></label>
</div>
<p className="max-w-3xl text-text-muted">{t($ => $.properties.torrentPeerOptionsSavedHint)}</p>
</div>}
{activeTab === 'advanced' && <div className="space-y-4">
<p className="text-xs text-text-muted">{t($ => $.properties.advancedTransfer)}</p>
<div className="grid max-w-2xl gap-3 rounded-lg border border-border-modal bg-bg-input/30 p-3 text-xs sm:grid-cols-2">
<div><span className="text-text-muted">{t($ => $.properties.connections)}</span><p className="mt-1">{snapshot.isMedia === true ? `${snapshot.connections ?? '—'} ${t($ => $.properties.configuredConcurrency)}` : `${snapshot.activeConnections ?? '—'} / ${snapshot.requestedConnections ?? snapshot.connections ?? '—'}`}</p></div>
<div><span className="text-text-muted">{t($ => $.properties.speedCap)}</span><p className="mt-1">{snapshot.speedLimit || '—'}</p></div>
<div><span className="text-text-muted">{t($ => $.properties.username)}</span><p className="mt-1">{snapshot.hasUsername ? '✓' : '—'}</p></div>
<div><span className="text-text-muted">{t($ => $.properties.password)}</span><p className="mt-1">{snapshot.hasPassword ? '✓' : '—'}</p></div>
<div><span className="text-text-muted">{t($ => $.properties.cookies)}</span><p className="mt-1">{snapshot.hasCookies ? '✓' : '—'}</p></div>
<div><span className="text-text-muted">{t($ => $.properties.headers)}</span><p className="mt-1">{snapshot.hasHeaders ? '✓' : '—'}</p></div>
</div>
<div className="grid max-w-2xl gap-3 text-xs">
{(['username', 'password'] as const).map(name => <label key={name} className="text-text-muted">{t($ => $.properties[name])}<div className="mt-1 flex gap-2"><input className="app-control min-w-0 flex-1" type={name === 'password' ? 'password' : 'text'} value={secretDrafts[name].value} placeholder={snapshot[name === 'username' ? 'hasUsername' : 'hasPassword'] ? '••••••' : ''} onChange={event => updateSecretDraft(name, event.target.value)} disabled={!editingEnabled} /><button type="button" className="app-button shrink-0 px-2 text-xs" onClick={() => clearSecretDraft(name)} disabled={!editingEnabled}>{t($ => $.properties.clear)}</button></div></label>)}
{(['cookies', 'headers'] as const).map(name => <label key={name} className="text-text-muted">{t($ => $.properties[name])}<div className="mt-1 flex gap-2"><textarea className="app-control min-w-0 flex-1" value={secretDrafts[name].value} placeholder={snapshot[name === 'cookies' ? 'hasCookies' : 'hasHeaders'] ? '••••••' : ''} onChange={event => updateSecretDraft(name, event.target.value)} disabled={!editingEnabled} /><button type="button" className="app-button h-fit shrink-0 px-2 text-xs" onClick={() => clearSecretDraft(name)} disabled={!editingEnabled}>{t($ => $.properties.clear)}</button></div></label>)}
</div>
<p className="text-xs text-text-muted">{t($ => $.properties.transferSettings)}</p>
</div>}
</section>
{(isDirty || errorMessage || notice || pendingTab || closePrompt) && <div className="shrink-0 border-t border-border-modal bg-sidebar-bg px-4 py-2" aria-live="polite">
{pendingTab || closePrompt ? <div className="flex flex-wrap items-center justify-between gap-2 text-xs"><span>{t($ => $.scheduler.unsavedChanges)}</span><div className="flex gap-2"><button type="button" className="app-button px-3 text-xs" onClick={discardDraft}>{t($ => $.actions.cancel)}</button><button type="button" className="app-button app-button-primary px-3 text-xs" disabled={pendingAction !== null} onClick={() => { closeAfterSaveRef.current = closePrompt; switchAfterSaveRef.current = pendingTab; void applyActiveTab(); }}>{t($ => $.properties.save)}</button><button type="button" className="app-button px-3 text-xs" onClick={() => { switchAfterSaveRef.current = null; closeAfterSaveRef.current = false; setPendingTab(null); setClosePrompt(false); }}>{t($ => $.properties.cancel)}</button></div></div> : <div className="flex flex-wrap items-center justify-between gap-2 text-xs"><span className={errorMessage ? 'text-red-400' : 'text-text-muted'}>{errorMessage || notice}</span><div className="flex gap-2">{isDirty && <><button type="button" className="app-button px-3 text-xs" onClick={discardDraft}>{t($ => $.actions.cancel)}</button><button type="button" className="app-button app-button-primary px-3 text-xs" disabled={pendingAction !== null} onClick={() => void applyActiveTab()}><Save size={14} />{t($ => $.properties.save)}</button></>}<button type="button" className="app-button px-3 text-xs" onClick={() => void closeWindow()}><X size={14} />{t($ => $.properties.cancel)}</button></div></div>}
</div>}
</main>
);
};