const sqlite3 = require("sqlite3").verbose();
const sqlMysql = require("sql-mysql");
export const db = new sqlite3.Database(":memory:");
var Parser = require("sqlparser");
import fs from "fs";
// const mysqlQuery = 'SELECT * FROM users WHERE age > 18';
// const sqliteQuery = sqlMysql.toSqlite(mysqlQuery);
// console.log(sqliteQuery)
export function initDatabase() {
    return new Promise((resolve, reject) => {
        const pathSQL = __dirname + "/../../../db/structureV2.sql";
        // fs.readdir(__dirname + "/../../../db/structureV2.sql", (err, files) => {
        //     if (err) console.log(err);
        //     else {
        //         console.log("\nCurrent directory filenames:");
        //         files.forEach((file) => {
        //             console.log(file);
        //         });
        //     }
        // });
        const sqlTables = fs.readFileSync(pathSQL, "utf8");
        // const sqliteTables = sqlMysql.toSqlite(sqlTables);
        var sqliteTables = Parser.parse(sqlTables);

        db.serialize(() => {
            db.run(sqliteTables, (error) => {
                if (error) {
                    reject(error);
                } else {
                    resolve(true);
                }
            });
        });
    });
}