"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.createGitHubHandler = createGitHubHandler;
function createGitHubHandler(cfg) {
    const redirectUri = cfg.redirectUri || null;
    let _github;
    async function getClient() {
        if (!_github) {
            const { GitHub } = await Promise.resolve().then(() => __importStar(require('arctic')));
            _github = new GitHub(cfg.clientId, cfg.clientSecret, redirectUri);
        }
        return _github;
    }
    return {
        config: cfg,
        async createAuthorizationURL(state, _codeVerifier) {
            const github = await getClient();
            const scopes = cfg.scopes.length > 0 ? cfg.scopes : ['read:user', 'user:email'];
            return github.createAuthorizationURL(state, scopes);
        },
        async validateAuthorizationCode(code, _codeVerifier) {
            const github = await getClient();
            const tokens = await github.validateAuthorizationCode(code);
            return {
                accessToken: tokens.accessToken(),
                refreshToken: null, // GitHub doesn't use refresh tokens for OAuth apps
                accessTokenExpiresAt: null,
            };
        },
        async refreshAccessToken(_refreshToken) {
            throw new Error('GitHub OAuth apps do not support token refresh');
        },
        async fetchUserInfo(accessToken) {
            const [userRes, emailRes] = await Promise.all([
                fetch('https://api.github.com/user', {
                    headers: { Authorization: `Bearer ${accessToken}`, Accept: 'application/json' },
                }),
                fetch('https://api.github.com/user/emails', {
                    headers: { Authorization: `Bearer ${accessToken}`, Accept: 'application/json' },
                }),
            ]);
            const user = await userRes.json();
            const emails = await emailRes.json().catch(() => []);
            const primary = emails.find((e) => e.primary)?.email || emails[0]?.email || null;
            return {
                provider: 'github',
                providerUserId: String(user.id),
                email: primary,
                displayName: user.name || user.login || null,
                raw: user,
            };
        },
    };
}
