index.js

require('dotenv').load();
var express 	= require('express');
var bodyParser 	= require('body-parser');
var request 	= require('request');
var fs			= require('fs');
var jsonfile 	= require('jsonfile')

var app = express();
var port = process.env.PORT || 8080;
var api_key = process.env.WOWS_API_KEY || "demo";

// static endpoint
app.use(express.static(__dirname + '/static'));

// api endpoint
var router = express.Router();
app.use('/api', router);

// create application/json parser
var jsonParser = bodyParser.json();

router.get('/', function(req, res) {
	res.json({
		status: "ok",
		name: "wows-stats api",
		version: "v2"
	});
});

// player api
router.get('/player', jsonParser, function(req, res) {
	if (req.query.name) {
		console.log(req.query.name);
		request(process.env.WOWS_API_URL + '/wows/account/list/?application_id=' + api_key + '&search=' + encodeURIComponent(req.query.name), function (error, response, body) {
			if (!error && response.statusCode == 200) {
				var json = JSON.parse(body);
				if (json.status == "ok") {
					if (json.meta.count >= 0) {
						var player = {};
						var playerJson = null;
						for (var i=0; i<json.meta.count; i++) {
							if (json.data[i].nickname == decodeURIComponent(req.query.name)) {
								playerJson = json.data[i];
								break;
							}
						}
						if (playerJson) {
							player.id = playerJson.account_id.toString();
							player.name = playerJson.nickname;
							request(process.env.WOWS_API_URL + '/wows/account/info/?application_id=' + api_key + '&account_id=' + player.id, function (err, rep, statsBody) {
								if (!err && rep.statusCode == 200) {
									var stats = JSON.parse(statsBody);
									if (stats.status == "ok") {
										if (stats.data[player.id] != null) {
											stats = stats.data[player.id];
											if (stats.statistics != null) {
												player.battles 	= stats.statistics.pvp.battles;
												player.winRate 	= (stats.statistics.pvp.wins / stats.statistics.pvp.battles * 100).toFixed(2) + "%";
												player.avgExp	= (stats.statistics.pvp.xp / stats.statistics.pvp.battles).toFixed();
												player.avgDmg	= (stats.statistics.pvp.damage_dealt / stats.statistics.pvp.battles).toFixed();
												player.kdRatio	= (stats.statistics.pvp.frags / (stats.statistics.pvp.battles - stats.statistics.pvp.survived_battles)).toFixed(2);
												player.raw 		= stats;
												res.json(player);
											}
											else
												res.status(401).send(player);
										}
										else
											res.status(500).send(player);
									}
									else
										res.status(400).send(player);
								}
								else if(rep)
									res.status(rep.statusCode).send(player);
								else
									res.status(500).send(player);
							});
						}
						else
							res.sendStatus(404);
					}
					else
						res.sendStatus(404);
				}
				else
					res.status(400).send(json.error);
			}
			else if(response)
				res.sendStatus(response.statusCode);
			else
				res.sendStatus(500);
		});
	}
	else
		res.sendStatus(400);
});

// ship api
router.get('/ship', jsonParser, function(req, res) {
	if (req.query.playerId && req.query.shipId) {
		request(process.env.WOWS_API_URL + '/wows/encyclopedia/ships/?application_id=' + api_key + '&ship_id=' + req.query.shipId, function (err, rep, infoBody) {
			if (!err && rep.statusCode == 200) {
				var info = JSON.parse(infoBody);
				if (info.status == "ok") {
					if (info.data[req.query.shipId] != null) {
						var ship = {};
						info = info.data[req.query.shipId];
						ship.name = info.name;
						ship.img = info.images.small;
						ship.info = info;
						request(process.env.WOWS_API_URL + '/wows/ships/stats/?application_id=' + api_key + '&account_id=' + req.query.playerId + '&ship_id=' + req.query.shipId, function (error, response, body) {
							if (!error && response.statusCode == 200) {
								var json = JSON.parse(body);
								if (json.status == "ok") {
									if (json.data[req.query.playerId] != null) {
										var stats = json.data[req.query.playerId][0];
										ship.id = 			stats.ship_id;
										ship.battles = 		stats.pvp.battles;
										ship.victories = 	stats.pvp.wins;
										ship.survived = 	stats.pvp.survived_battles;
										ship.destroyed = 	stats.pvp.frags;
										ship.avgExp =  		(stats.pvp.xp / stats.pvp.battles).toFixed();
										ship.avgDmg =  		(stats.pvp.damage_dealt / stats.pvp.battles).toFixed();
										ship.raw = 			stats;
										if (stats.pvp.battles == 0)
											ship.noRecord = true;
										res.json(ship);
									}
									else {
										ship.id = 			req.query.shipId;
										ship.noRecord =	true;
										res.json(ship);
									}
								}
								else
									res.status(400).send(json.error);
							}
							else if(response)
								res.sendStatus(response.statusCode);
							else
								res.sendStatus(500);
						});
					}
					else
						res.sendStatus(404);
				}
				else
					res.status(400).send(info.error);
			}
			else if(rep)
				res.sendStatus(rep.statusCode);
			else
				res.sendStatus(500);
		});
	}
	else
		res.sendStatus(400);
});

// arena api
router.get('/arena', jsonParser, function(req, res) {
	if (process.platform == 'win32') {
		arenaJson = process.env.WOWS_PATH + '/replays/tempArenaInfo.json';
		fs.access(arenaJson, fs.R_OK, function (err) {
			if (!err) {
				jsonfile.readFile(arenaJson, function read(error, obj) {
				    if (!error) {
				    	res.json(obj);
				    }
				    else {
				    	res.sendStatus(404);
				    }
				});
			}
			else {
				res.sendStatus(404);
			}
		});
	}
	else
		res.sendStatus(400);
});

app.listen(port);
console.log('wows-stats is running on port: ' + port);