import SQL from 'sql-template-strings';
import { ulid } from 'ulid';

import './dotenv.ts';

import dbConnection from './db.ts';
import { env } from './env.ts';
import jwt from './jwt.ts';

// This module creates a test user in the database with the username "admin"
// that has the "*" role. It also creates an authentication token for the user,
// and returns the token. This token can be used to authenticate as the admin
// user in tests.

// This module should never be used in production code. It is only for testing
// purposes.

const __dirname = new URL('.', import.meta.url).pathname;

if (env !== 'development') {
    throw new Error('This script should only be run in development mode');
}

/**
 * Runs the migrations in the migrations directory.
 */
async function migrate(): Promise<void> {
    const db = await dbConnection();
    await db.migrate({ migrationsPath: `${__dirname}/../migrations` });
    await db.close();
}

/**
 * Creates a test database with a test user named "admin" with the role "*".
 * Creates an authentication token and prints it to stdout.
 */
async function initTestDatabase(): Promise<string> {
    const db = await dbConnection();

    await db.get(SQL`
        INSERT OR IGNORE INTO users (id, username, usernameNorm, email, roles, avatarSource, lastActive)
        VALUES (
            ${ulid()},
            'admin',
            'admin',
            'admin@example.com',
            '*',
            null,
            strftime('%s','now')*1000
        )
    `);

    const adminId = (await db.get(SQL`
        SELECT id FROM users WHERE username = 'admin'
    `))?.id;

    if (typeof adminId !== 'string') {
        throw new Error('Admin user not created');
    }

    const adminUser = {
        id: adminId,
        username: 'admin',
        email: 'admin@example.com',
        roles: '*',
        authenticated: true,
    };

    const token = await jwt.sign('_', adminUser, '3650d', process.env.NUXT_PUBLIC_DOMAIN_BASE ?? '');

    await db.close();
    return token;
}

await migrate();
const token = await initTestDatabase();

console.log(token);