<?php
/* 
 * Objeto para leer y escribir datos de log de intentos de asistencia realizadas por el usuario
 */

namespace classes;

define("MAX_LINES", 200);
class LogAsistencias
{
    //put your code here
    private $file, $month, $year;
    private $dir;

    function __construct($ruta = null)
    {
        // die ruta
        $this->month = date("m");
        $this->year = date("Y");
        $this->dir = ($ruta ?? '') . "log/";
        $this->updateFilename();
    }

    function setMes(string $mes)
    {
        $this->month = $mes;
        $this->updateFilename();
    }
    function setAno(string $ano)
    {
        $this->year = $ano;
        $this->updateFilename();
    }

    private function updateFilename()
    {
        $this->file = "asistencias_" . $this->year . "_" . $this->month . ".log";
    }
    private function cleanLog($text)
    { //remueve || de los textos
        return trim(str_ireplace("||", "", $text));
    }

    function appendLog($claveULSA, $nombre, $desc)
    {
        $filename = $this->dir . $this->file;
        if (!file_exists($this->dir)) {
            mkdir($this->dir, 0755, true);
        }
        if (file_exists($this->dir)) {
            $data = date('Y-m-d H:i:s') . "||" . $this->cleanLog($claveULSA) . "||" . $this->cleanLog($desc) . "||" . $this->cleanLog($nombre) . "\n";
            /*echo*/
            file_put_contents($filename, $data, FILE_APPEND);
        }
    }
    function getLog($mes = "", $ano = "")
    {
        if ($mes != "") $this->setMes($mes);
        if ($ano != "") $this->setAno($ano);
        $filename = $this->dir . $this->file;
        if (file_exists($filename)) {
            //return array_slice(file ($filename , FILE_SKIP_EMPTY_LINES) , -10);
            $lines = file($filename, FILE_SKIP_EMPTY_LINES);
            //echo "antes: ".count($lines);
            if (count($lines) > MAX_LINES) {
                $lines = array_slice($lines, MAX_LINES * (-1));
            }
            //echo "despues: ".count($lines);
            return $lines;
        } else
            return array();
    }
}