/* ----------------------------------------------------------------------------    

 Question Server
 GitLab: <https://gitlab.com/YourFriendlyNeighborhoodDealer/question-node-server>

 This program is free software: you can redistribute it and/or modify
 it under the terms of the GNU General Public License as published by
 the Free Software Foundation, either version 3 of the License, or
 (at your option) any later version.

 This program is distributed in the hope that it will be useful,
 but WITHOUT ANY WARRANTY; without even the implied warranty of
 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 GNU General Public License for more details.

 You should have received a copy of the GNU General Public License
 along with this program. If not, see <https://www.gnu.org/licenses/>.

 ------------------------------------------------------------------------- */

module.exports = {
	LogStat: LogStat,
	Load: Load
};

var utils = require('./utils.js');
var logger = require('./logger.js');

const statFile = "stats/stats";
const vStatFile = "stats/vstats";
const writeInterval = 10;

var data = {};
var vData = [];
var writes = 0;

function Load() {
	try {
		var prevData = utils.ReadFile(statFile);
		data = JSON.parse(prevData);
	} catch (e) {
		logger.Log("[STAT]: Error at loading logs!", logger.GetColor("redbg"));
		console.log(e);
	}

	try {
		var prevVData = utils.ReadFile(vStatFile);
		vData = JSON.parse(prevVData);
	} catch (e) {
		logger.Log("[STAT]: Error at loading visit logs!", logger.GetColor("redbg"));
		console.log(e);
	}
}

function LogStat(url) {
	Inc(url);
	AddVisitStat(url);
}

function Inc(value) {
	if (value.startsWith("/?"))
		value = "/";
	if (data[value] == undefined)
		data[value] = 0;
	data[value]++;
	Save();
}

function AddVisitStat(name) {
	var m = new Date();
	const now = m.getFullYear() + "/" +
		("0" + (m.getMonth() + 1)).slice(-2) + "/" +
		("0" + m.getDate()).slice(-2);
	if (vData[now] == undefined)
		vData[now] = [];
	if (vData[now][name] == undefined)
		vData[now][name] = 0;
	vData[now][name]++;
}

function Save() {
	writes++;
	if (writes == writeInterval) {
		try {
			utils.WriteFile(JSON.stringify(data), statFile);
			// logger.Log("[STAT] Stats wrote.");
		} catch (e) {
			logger.Log("[STAT]: Error at writing logs!", logger.GetColor("redbg"));
			console.log(e);
		}
		try {
			utils.WriteFile(JSON.stringify(vData), vStatFile);
			// logger.Log("[STAT] Stats wrote.");
		} catch (e) {
			logger.Log("[STAT]: Error at writing visit logs!", logger.GetColor("redbg"));
			console.log(e);
		}
		writes = 0;
	}
}