const mysql = require('mysql');
const con = mysql.createConnection({
	host: "localhost",
	user: "realmsdivided",
	password: "realmsdivided",
	database: "realms_divided"
});

function connect(){
	con.connect(function(err) {
		if (err) { console.log(err); }
		else { console.log('DB Connected'); }
	});
}
function disconnect(){
	con.end();
}

function getCards(additionalData){
	const cPromise = new Promise((resolve, reject) => {
		let sql = 'SELECT * FROM card';
		if(additionalData){ sql = sql + " WHERE "+additionalData; }

		con.query(sql, function (err, result, fields) {
			if (err) { throw err; reject(new Error(err)); }
			resolve(result);
		});
	});
	return cPromise;
}

module.exports = {
	connect, disconnect
	, getCards
};