"use strict";
var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
    if (k2 === undefined) k2 = k;
    var desc = Object.getOwnPropertyDescriptor(m, k);
    if (!desc || ("get" in desc ? !m.__esModule : desc.writable || desc.configurable)) {
      desc = { enumerable: true, get: function() { return m[k]; } };
    }
    Object.defineProperty(o, k2, desc);
}) : (function(o, m, k, k2) {
    if (k2 === undefined) k2 = k;
    o[k2] = m[k];
}));
var __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (function(o, v) {
    Object.defineProperty(o, "default", { enumerable: true, value: v });
}) : function(o, v) {
    o["default"] = v;
});
var __importStar = (this && this.__importStar) || (function () {
    var ownKeys = function(o) {
        ownKeys = Object.getOwnPropertyNames || function (o) {
            var ar = [];
            for (var k in o) if (Object.prototype.hasOwnProperty.call(o, k)) ar[ar.length] = k;
            return ar;
        };
        return ownKeys(o);
    };
    return function (mod) {
        if (mod && mod.__esModule) return mod;
        var result = {};
        if (mod != null) for (var k = ownKeys(mod), i = 0; i < k.length; i++) if (k[i] !== "default") __createBinding(result, mod, k[i]);
        __setModuleDefault(result, mod);
        return result;
    };
})();
Object.defineProperty(exports, "__esModule", { value: true });
exports.createGoogleHandler = createGoogleHandler;
function createGoogleHandler(cfg) {
    const redirectUri = cfg.redirectUri || '';
    let _google;
    async function getClient() {
        if (!_google) {
            const { Google } = await Promise.resolve().then(() => __importStar(require('arctic')));
            _google = new Google(cfg.clientId, cfg.clientSecret, redirectUri);
        }
        return _google;
    }
    return {
        config: cfg,
        async createAuthorizationURL(state, codeVerifier) {
            const google = await getClient();
            const scopes = cfg.scopes.length > 0
                ? cfg.scopes
                : ['openid', 'email', 'profile', 'https://www.googleapis.com/auth/gmail.readonly'];
            const url = google.createAuthorizationURL(state, codeVerifier, scopes);
            url.searchParams.set('access_type', 'offline');
            url.searchParams.set('prompt', 'consent');
            return url;
        },
        async validateAuthorizationCode(code, codeVerifier) {
            const google = await getClient();
            const tokens = await google.validateAuthorizationCode(code, codeVerifier);
            return {
                accessToken: tokens.accessToken(),
                refreshToken: tokens.hasRefreshToken() ? tokens.refreshToken() : null,
                accessTokenExpiresAt: tokens.accessTokenExpiresAt(),
            };
        },
        async refreshAccessToken(refreshToken) {
            const google = await getClient();
            const tokens = await google.refreshAccessToken(refreshToken);
            return {
                accessToken: tokens.accessToken(),
                refreshToken: tokens.hasRefreshToken() ? tokens.refreshToken() : refreshToken,
                accessTokenExpiresAt: tokens.accessTokenExpiresAt(),
            };
        },
        async fetchUserInfo(accessToken) {
            const res = await fetch('https://www.googleapis.com/oauth2/v2/userinfo', {
                headers: { Authorization: `Bearer ${accessToken}` },
            });
            const data = await res.json();
            return {
                provider: 'google',
                providerUserId: data.id,
                email: data.email || null,
                displayName: data.name || null,
                raw: data,
            };
        },
    };
}
