const express = require('express')
const app = express();
const status = require('http-status');
const fetch = require('node-fetch');
var mysql = require('mysql');
const path = require('path');
var connection = mysql.createConnection({
    host: 'localhost',
    user: 'simcompanies',
    password: '',
    database: 'simcompanies'
});

const mockDataDay = require('./mockdata-test/day.json');
var resourceList;

var serverStartupComplete = false;

async function loadData() {
    var rL = await fetch("https://www.simcompanies.com/api/v3/en/encyclopedia/resources/");
    resourceList = await rL.json();
    serverStartupComplete = true;
}
loadData();

app.get("*", function (req, res, next) {
    if (!serverStartupComplete)
        return res.send("Server is starting...");
    else return next();
});

app.use(express.static(path.join(__dirname, 'frontend')));


app.use(express.static(`${__dirname}/./frontend`));
app.all("/*", function (req, res, next) {
    if (/^\/simcompanies\/API\/.*/.test(req.url))
        req.url = req.url.substring(13);
    if (!/^\/API\/.*/.test(req.url)) {
        return res.sendFile(path.join(__dirname, 'frontend', 'index.html'));
    } else return next();
})

app.get('/API/day', function (req, res) {
    const kind = parseInt(req.query.kind);
    if (Number.isInteger(kind)) {
        //Mock Data:
        if (kind === -1) return res.send(mockDataDay);

        if (kind >= 1 && kind <= 113) {
            var dayend = new Date().toISOString().slice(0, 19).replace('T', ' ');
            var daybegin = new Date();
            daybegin.setDate(daybegin.getDate() - 1);
            daybegin = daybegin.toISOString().slice(0, 19).replace('T', ' ');
            const querystring = `SELECT time, price, quality FROM marketv2 WHERE kind = ${kind} AND time > "${daybegin}" AND time < "${dayend}" ORDER BY quality, time`;
            connection.query(querystring, function (error, results, fields) {
                if (error) {
                    res.status(status.INTERNAL_SERVER_ERROR).send("database connection failed");
                }
                res.send(results);
            });
        }
        else
            res.status(status.BAD_REQUEST).send("invalid data provided");

    }
    else
        res.status(status.BAD_REQUEST).send("invalid data provided");
});

app.get('/API/resourcelist', function (req, res) {
    res.send(resourceList);
});

app.listen(3001);