// Copyright (c) Tailscale Inc & contributors
// SPDX-License-Identifier: BSD-3-Clause

/**
 * @fileoverview Type definitions for types exported by the wasm_js.go Go
 * module.
 *
 * Vendored from tailscale.com/cmd/tsconnect/src/types/wasm_js.d.ts; see
 * cmd/hp_ssh/wasm_js.go for the upstream ref. Local changes live in
 * patches/tsconnect-types.patch and are already applied here.
 */

declare global {
  function newIPN(config: IPNConfig): IPN;

  var Go: {
    new (): {
      importObject: WebAssembly.Imports;
      run(instance: WebAssembly.Instance): Promise<void>;
    };
  };

  interface IPN {
    run(callbacks: IPNCallbacks): void;
    login(): void;
    logout(): void;
    ssh(
      host: string,
      username: string,
      termConfig: {
        writeFn: (data: string) => void;
        writeErrorFn: (err: string) => void;
        setReadFn: (readFn: (data: string) => void) => void;
        rows: number;
        cols: number;
        /** Defaults to "xterm" */
        termType?: string;
        /** Defaults to 5 seconds */
        timeoutSeconds?: number;
        onConnectionProgress: (message: string) => void;
        onConnected: () => void;
        onDone: () => void;
      },
    ): IPNSSHSession;
    fetch(url: string): Promise<{
      status: number;
      statusText: string;
      text: () => Promise<string>;
    }>;
  }

  interface IPNSSHSession {
    resize(rows: number, cols: number): boolean;
    close(): boolean;
  }

  interface IPNStateStorage {
    setState(id: string, value: string): void;
    getState(id: string): string;
  }

  type IPNConfig = {
    stateStorage?: IPNStateStorage;
    authKey?: string;
    controlURL?: string;
    hostname?: string;
  };

  type IPNCallbacks = {
    notifyState: (state: IPNState) => void;
    notifyNetMap: (netMapStr: string) => void;
    notifyBrowseToURL: (url: string) => void;
    notifyPanicRecover: (err: string) => void;
  };

  type IPNNetMap = {
    self: IPNNetMapSelfNode;
    peers: IPNNetMapPeerNode[];
    lockedOut: boolean;
  };

  type IPNNetMapNode = {
    name: string;
    addresses: string[];
    machineKey: string;
    nodeKey: string;
  };

  type IPNNetMapSelfNode = IPNNetMapNode & {
    machineStatus: IPNMachineStatus;
  };

  type IPNNetMapPeerNode = IPNNetMapNode & {
    online?: boolean;
    tailscaleSSHEnabled: boolean;
  };

  /** Mirrors values from ipn/backend.go */
  type IPNState =
    | "NoState"
    | "InUseOtherUser"
    | "NeedsLogin"
    | "NeedsMachineAuth"
    | "Stopped"
    | "Starting"
    | "Running";

  /** Mirrors values from MachineStatus in tailcfg.go */
  type IPNMachineStatus =
    | "MachineUnknown"
    | "MachineUnauthorized"
    | "MachineAuthorized"
    | "MachineInvalid";
}

export {};