<?php

namespace rednaoeasycalculationforms\core\Managers\LogManager;

use Exception;
use rednaoeasycalculationforms\core\db\SettingsRepository;
use rednaoeasycalculationforms\core\Integration\DateIntegration;
use rednaoeasycalculationforms\core\Loader;
use rednaoeasycalculationforms\core\Managers\FileManager\FileManager;

class LogManager
{
    /** @var Loader */
    private static $loader;
    /** @var FileManager */
    private static $fileManager;
    /** @var DateIntegration */
    private static $dateIntegration;
    const TYPE_ERROR = 10;
    const TYPE_DEBUG = 5;
    /** @var $LogOptions */
    private static $LogOptions = null;

    static function Initialize($loader)
    {
        self::$loader = $loader;
        self::$fileManager = new FileManager($loader);
        self::$dateIntegration = new DateIntegration($loader);
    }

    /**
     * @param $type "Error"|"Debug"|"Warning"
     * @param $message
     */
    static function Log($type, $message)
    {
        if($type != LogManager::TYPE_DEBUG && $type != LogManager::TYPE_ERROR)
            throw new Exception('Invalid log type ' . $type);

        if(!self::ShouldLog($type))
            return;

        $line = self::$dateIntegration->GetTimezonedDateFromUTCDate(date('c')) . " - [" . \strtoupper($type) . "] --> " . $message . "\r\n";

        $path = self::GetLogFilePath();

        \file_put_contents($path, $line, FILE_APPEND);

    }

    static function LogError($message)
    {
        self::Log(LogManager::TYPE_ERROR, $message);
    }

    static function LogDebug($message)
    {
        self::Log(LogManager::TYPE_DEBUG, $message);
    }

    private static function ShouldLog($type)
    {
        if(self::$LogOptions == null)
        {
            $settings = new SettingsRepository(self::$loader);
            self::$LogOptions = $settings->GetLog();
        }

        return self::$LogOptions->Enable && (self::$LogOptions->LogType <= $type);
    }

    static function RemoveLog()
    {
        $path = self::GetLogFilePath();
        if(\file_exists($path))
            \unlink($path);
    }

    public static function GetLogFilePath()
    {
        return self::$fileManager->GetLoggerPath() . '/log.txt';
    }

}