'use client';

import { OpenAPICopyButton } from './OpenAPICopyButton';
import { OpenAPIDisclosureGroup } from './OpenAPIDisclosureGroup';
import { useSelectState } from './OpenAPISelect';
import type { OpenAPIClientContext } from './context';
import { t } from './translate';
import type { OpenAPISecurityScope } from './types';
import type { OperationSecurityInfo } from './utils';

/**
 * Present securities authorization that can be used for this operation.
 */
export function OpenAPIRequiredScopes(props: {
    securities: OperationSecurityInfo[];
    context: OpenAPIClientContext;
    stateKey: string;
}) {
    const { securities, stateKey, context } = props;
    const { key: selectedKey } = useSelectState(stateKey, securities[0]?.key);
    const selectedSecurity = securities.find((security) => security.key === selectedKey);

    if (!selectedSecurity) {
        return null;
    }

    const scopeAlternatives =
        selectedSecurity.scopeAlternatives.length > 0
            ? selectedSecurity.scopeAlternatives
            : [
                  selectedSecurity.schemes.flatMap((scheme) => {
                      return scheme.scopes ?? [];
                  }),
              ];
    const resolvedAlternatives = scopeAlternatives
        .map((scopes) => dedupeScopes(scopes))
        .filter((scopes) => scopes.length > 0);

    if (!resolvedAlternatives.length) {
        return null;
    }

    return (
        <OpenAPIDisclosureGroup
            className="openapi-required-scopes"
            icon={context.icons.chevronRight}
            stateKey="required-scopes"
            defaultExpandedKeys={['required-scopes']}
            groups={[
                {
                    key: 'required-scopes',
                    label: (
                        <div className="openapi-required-scopes-header">
                            {context.icons.lock}
                            <span>{t(context.translation, 'required_scopes')}</span>
                        </div>
                    ),
                    tabs: [
                        {
                            key: 'scopes',
                            label: '',
                            body: (
                                <OpenAPIScopeAlternatives
                                    alternatives={resolvedAlternatives}
                                    context={context}
                                />
                            ),
                        },
                    ],
                },
            ]}
        />
    );
}

function OpenAPIScopeAlternatives(props: {
    alternatives: OpenAPISecurityScope[][];
    context: OpenAPIClientContext;
}) {
    const { alternatives, context } = props;

    if (alternatives.length === 1) {
        return <OpenAPISchemaScopes scopes={alternatives[0]} context={context} />;
    }

    return (
        <div className="openapi-scopes-alternatives">
            <div className="openapi-required-scopes-description">
                {t(context.translation, 'required_scopes_description')}
            </div>
            <div className="openapi-schema-alternatives">
                {alternatives.map((scopes, index) => (
                    <div key={index} className="openapi-schema-alternative">
                        <OpenAPISchemaScopes scopes={scopes} context={context} hideDescription />
                        {index < alternatives.length - 1 ? (
                            <span className="openapi-schema-alternative-separator">
                                {t(context.translation, 'or')}
                            </span>
                        ) : null}
                    </div>
                ))}
            </div>
        </div>
    );
}

export function OpenAPISchemaScopes(props: {
    scopes: OpenAPISecurityScope[] | undefined;
    context: OpenAPIClientContext;
    isOAuth2?: boolean;
    hideDescription?: boolean;
}) {
    const { scopes, context, hideDescription } = props;

    return (
        <div className="openapi-securities-scopes openapi-markdown">
            {!hideDescription ? (
                <div className="openapi-required-scopes-description">
                    {t(context.translation, 'required_scopes_description')}
                </div>
            ) : null}
            <ul>
                {scopes?.map((scope) => (
                    <OpenAPIScopeItem key={scope[0]} scope={scope} context={context} />
                ))}
            </ul>
        </div>
    );
}

/**
 * Display a scope item. Either a key-value pair or a single string.
 */
function OpenAPIScopeItem(props: {
    scope: OpenAPISecurityScope;
    context: OpenAPIClientContext;
}) {
    const { scope, context } = props;

    return (
        <li>
            <OpenAPIScopeItemKey name={scope[0]} context={context} />
            {scope[1] ? <span>: {scope[1]}</span> : null}
        </li>
    );
}

/**
 * Displays the scope name within a copyable button.
 */
function OpenAPIScopeItemKey(props: {
    name: string;
    context: OpenAPIClientContext;
}) {
    const { name, context } = props;

    return (
        <OpenAPICopyButton value={name} context={context} withTooltip>
            <code>{name}</code>
        </OpenAPICopyButton>
    );
}

function dedupeScopes(scopes: OpenAPISecurityScope[]) {
    const seen = new Set<string>();
    const deduped: OpenAPISecurityScope[] = [];

    for (const scope of scopes) {
        if (seen.has(scope[0])) {
            continue;
        }
        seen.add(scope[0]);
        deduped.push(scope);
    }

    return deduped;
}