var express = require('express');
var request = require('request');
var fs = require('fs')
var hiziprices = "Loading...";
var getpriceshizi_timeout;

app.listen(80, function() {
    console.log("=============================================================================================");
    console.log("======================================== App started ========================================");
    console.log("=============================================================================================");
});

setInterval(function() {
    console.log("[LOG] Clear queries counter...");
    for(var key in apiKeys) {
        console.log("[LOG] " + apiKeys[key].desc +". Queries: " +apiKeys[key].thisMin);
        apiKeys[key].thisMin = 0;
    }
    console.log("[LOG] All apikeys cleared.");
}, 60000);

app.get("/hiziprices/:apiKey", function(req, res) {
    var error = true;
    for(var key in apiKeys) {
        if(apiKeys[key].apiKey == req.params.apiKey) {
            var apiKey = apiKeys[key];
            console.log("[LOG] "+apiKey.desc + " IP: " + req.ip +". H1Z1 prices");
            if(apiKey.thisMin > apiKey.limit) {
                return res.json({
                    error: "Try to load inventory in 1 minute. Your limit: " + apiKey.limit + ". You used " + apiKey.limit + ".",
                    errorCode: 1
                });
            }
            apiKey.thisMin++;
            if(prices == "Loading...")
                res.send({
                    'success' : false,
                    'prices': hiziprices
                });
            else
                res.send({
                    'success' : true,
                    'prices': hiziprices
                });
            error = false;
        } else {
            error = true;
        }
    }
    if(error) {
        return res.json({
            error: "Your apiKey is bad. Please try another.",
            errorCode: 3
        });
    }
});

function getpriceshizi(){
    clearTimeout(getpriceshizi_timeout);
    request('https://opskins.com/pricelist/433850.json', function (error, response) {
        if(response.statusCode != 200 || response.success == 0) {
       		console.log("[ERROR] Cant load items price H1Z1. Wait 60 seconds for upload new prices");
            hiziprices = "Loading...";
       		getpricescsgo_timeout = setTimeout(function(){
       			getpriceshizi();
       		},60000);
            if(fs.existsSync(__dirname + '/hiziprices.txt')){
                var buffprices = JSON.parse(fs.readFileSync(__dirname + '/hiziprices.txt'));
                hiziprices = {};
                for(var key in buffprices){
                    hiziprices[key] = buffprices.items[key].safe_net_price;
                }
                console.log("[LOG] H1Z1 old prices loaded from file")
            }
       	} else {
            var buffprices = JSON.parse(response.body);
            fs.writeFileSync('hiziprices.txt', response.body);
            hiziprices = {};
            var price_date = false;
            for(var key in buffprices){
                if(!price_date){
                    for(var keys in buffprices[key]){
                        price_date = keys;
                    }
                }
                if(buffprices[key][price_date] == undefined){
                    console.log("[LOG] Price undefined: "+key);
                    for(var dates in buffprices[key]){
                        hiziprices[key] = (buffprices[key][dates].price / 100).toFixed(2);
                        hiziprices[key] = hiziprices[key].toString();
                    }
                    continue;
                }
                hiziprices[key] = (buffprices[key][price_date].price / 100).toFixed(2);
                hiziprices[key] = hiziprices[key].toString();
            }
            console.log("[LOG] H1Z1 prices loaded!!!")
        }
    });
}
getpriceshizi();
setInterval(getpriceshizi,21600000);