//Loguix - Système de log simplifié
//Concu par Raphael PICOT - Raphix
//GITLAB : https://gitlab.com/raphixscrap/loguix


const fs = require("fs")
var date = new Date()



// [Date Format] - Format de la date

var gmonth = date.getMonth()
var gday = date.getDate()
var gHour = date.getHours()
var gMinute = date.getMinutes()
var gSecondes = date.getSeconds()


if(date.getMonth() + 1 <= 9) {
    gmonth = "0" + (date.getMonth() + 1)
}

if(date.getDate() + 1 <= 9) {
    gday = "0" + date.getDate()
}

if(date.getHours() + 1 <= 9) {
    gHour = "0" + date.getHours()
}

if(date.getMinutes() + 1 <= 9) {
    gMinute = "0" + date.getMinutes()
}

if(date.getSeconds() + 1 <= 9) {
    gSecondes = "0" + date.getSeconds()
}

var currentDate = date.getFullYear() + "-" + gmonth + "-" + gday + "-" + gHour + "h"  + "-" + gMinute + "m" + "-" + gSecondes + "s" 
var returnDate = currentDate


// [Loguix Init Phase] - Settings for LogSystem

var env_name = null
var env_set = false

if(!fs.existsSync("logs/")) {
    fs.mkdir("logs", (err) => {
        if(err) {

            console.log("[Loguix] - Error on initialization phase : #E : LOGS_DIR_ERROR")
        } 

    })
    
}

var logStream = fs.createWriteStream("logs/" + currentDate + ".log", {
    flags: 'a'
});

var sys = {
    "name":"Loguix",
    "version":"1.0.0"
}



// [Loguix Start Phase] - Start Function - Check state

logStream.write("[" + sys.name + "@" + sys.version + "] - [" + currentDate + "]" + "\n")
logStream.write("Loguix by Raphix" + "\n")
logStream.write("----------------------------------------------------------------" + "\n")


// [Function] - Get Loguix Date Format

module.exports.getLogFormatDate = () =>  {

    return returnDate
}

// [Function] - Environnement Settings

module.exports.setName = (name) => {
    env_name = name
    env_set = true

}

// [Function] - Write into console with priority and write in log file

module.exports.write = (level, msg) => {
    if(env_set == true) {

        if(level == "warn") {
            var message = "[" + currentDate + "] - [" + env_name + "]" + "["+ level.toUpperCase() + "] - " +  msg + "\n";
            var consoleMessage =  "[" + currentDate + "] - [" + env_name + "]" + " - ["+ level.toUpperCase() + "] - " +  msg
            logStream.write(message);
            console.warn(consoleMessage)

        } else if(level == "error") {
            var message = "[" + currentDate + "] - [" + env_name + "]" + "["+ level.toUpperCase() + "] - " +  msg + "\n";
                var consoleMessage =  "[" + currentDate + "] - [" + env_name + "]" + " - ["+ level.toUpperCase() + "] - " +  msg
            logStream.write(message);
            console.error(consoleMessage)

        } else if(level == "info") {
            var message = "[" + currentDate + "] - [" + env_name + "]" + "["+ level.toUpperCase() + "] - " +  msg + "\n";
                var consoleMessage =  "[" + currentDate + "] - [" + env_name + "]" + " - ["+ level.toUpperCase() + "] - " +  msg
            logStream.write(message);
            console.log(consoleMessage)

        } else if(level == "fatal") {
                var message = "[" + currentDate + "] - [" + env_name + "]" + "["+ level.toUpperCase() + "] - " +  msg + "\n";
                var consoleMessage =  "[" + currentDate + "] - [" + env_name + "]" + " - ["+ level.toUpperCase() + "] - " +  msg
                logStream.write(message);
                console.log(consoleMessage)   
        } else {
            logStream.write("[" + currentDate + "] - " + "[Loguix] - Write - Level is not reconized\n")
        }
       
    } else {

        console.error("[Loguix] - Name is not configure.");
        
    }

}
// [Function] - Fatal Error - End programm when exit

module.exports.stop = (endCode) => {

    process.on('uncaughtException', () => {
        logStream.end( "["+ endCode + "]" + " - [END OF LOGS] - [" + currentDate + ']')
        console.log("check")
        logStream.close()
    });

    nonexistentFunc();

    
   
}

process.on('uncaughtException', (err) => {
    logStream.write("[" + currentDate + "] - ["+ "FATAL" + "] - [" + env_name + "]" + " The programm has encountered an error ! Please Restart ! #E = " + err + "\n")
    logStream.end( "["+ "UNCAUGHT_EXCEPTION" + "]" + " - [END OF LOGS] - [" + currentDate + ']')
    logStream.close()
     
});

process.on('beforeExit', () => {
    logStream.end( "["+ "NORMAL_END" + "]" + " - [END OF LOGS] - [" + currentDate + ']')
    logStream.close()
});


//[Sandbox] - Test