import sqlite3 from 'sqlite3'
import { open } from 'sqlite'

let db;

async function initDb() {
    if (db) return db;

    db = await open({
        filename: `${process.cwd()}/db/main.db`,
        driver: sqlite3.Database
    });

    await db.run(`CREATE TABLE IF NOT EXISTS auth (username TEXT, password TEXT);`);
    await db.run(`CREATE TABLE IF NOT EXISTS token (username TEXT, token TEXT);`);

    await db.run(`CREATE TABLE IF NOT EXISTS video (id TEXT, title TEXT, desc TEXT, username TEXT, date REAL);`);
    await db.run('CREATE TABLE IF NOT EXISTS comment (username TEXT, targetType TEXT, targetId TEXT, date REAL, content TEXT, id TEXT);');

    await db.run('CREATE TABLE IF NOT EXISTS follow (username TEXT, target TEXT);');

    await db.run(`CREATE TABLE IF NOT EXISTS user (username TEXT, bio TEXT);`);
    await db.run(`CREATE TABLE IF NOT EXISTS captcha (key TEXT, solution TEXT);`);

    return db;
}

export default initDb;