<?php
include('m2brimagem.class.php');

define('IMAGEPATH', "./original_images");
define('IMAGEPATHMD5', "./temp/images");
define('IMAGEPATHTHUMB', "./temp/thumbs");

/****** Cria os diretórios caso não existam ******/
define('DIRS', [IMAGEPATHMD5, IMAGEPATHTHUMB]);
foreach (DIRS as $key => $value) {
    if (!file_exists($value)) {
        mkdir($value, 0777, true);
    }
}

/*******************************************************/

$media = [];

foreach (getImagesArray() as $key => $img) {


    $img_location = getImageLocation($img);

    echo "Comprimindo: " . $img_location . PHP_EOL;


    if(preg_match('/ /', $img)){
        rename($img_location, IMAGEPATH  . "/" . preg_replace("/ /", "_", $img));
    }

    resize($img);

    $new_image = getImageLocationMD5($img, true);

    compressImage($new_image, $new_image, 25);

    resizeToSearch($img);

    $media[$key]['ordem'] = 1;
    $media[$key]['url'] = "https://imagens.loopimoveis.com/" . getImageMD5($img) . getImgExtension($img);
    $media[$key]['legenda'] = "";

}

echo PHP_EOL;
echo PHP_EOL;
echo "JSON:";
echo PHP_EOL;
echo PHP_EOL;
echo json_encode($media) . PHP_EOL;
echo PHP_EOL;

/*******************************************************/

function getImgExtension($img){
    return "." . pathinfo(getImageLocation($img), PATHINFO_EXTENSION);
}

function getImagesArray(){
    $dir_files = scandir(IMAGEPATH);
    unset($dir_files[0]);
    unset($dir_files[1]);
    return array_values($dir_files);;
}

function getImageLocation($img){
    return IMAGEPATH . "/" . $img;
}

function resize($img){
    $image_location = getImageLocation($img);

    $width = getimagesize($image_location)[0];

    $oImg = new m2brimagem($image_location);

    $valida = $oImg->valida();

    if ($valida == 'OK') {

        if ($width > 1920) {
            $oImg->redimensiona(1920, '','crop');
        }

        $oImg->grava(getImageLocationMD5($img, true));
    } else {
        die($valida);
    }
}

function resizeToSearch($img){
    $image_location = getImageLocationMD5($img, true);

    echo "Criando thumb em: " . getImageLocationThumb($img) . PHP_EOL;

    $width = getimagesize($image_location)[0];

    $oImg = new m2brimagem($image_location);

    $valida = $oImg->valida();

    if ($valida == 'OK') {

        if ($width > 360) {
            $oImg->redimensiona(360, '','crop');
        }

        $oImg->grava(getImageLocationThumb($img));

        compressImage(getImageLocationThumb($img), getImageLocationThumb($img), 55);

    } else {
        die($valida);
    }
}

function getImageLocationThumb($img){
    $ext = "." . pathinfo(getImageLocation($img), PATHINFO_EXTENSION);
    return IMAGEPATHTHUMB . "/" . getImageMD5($img) . "_thumb" . $ext;
}

function getImageLocationMD5($img, $extension = false){
    $ext = "";
    if ($extension) {
        $ext = "." . pathinfo(getImageLocation($img), PATHINFO_EXTENSION);
    }

    $md5 = getImageMD5($img);

    return IMAGEPATHMD5 . "/" . $md5 . $ext;
}

function getImageMD5($img){
    $img = file_get_contents(getImageLocation($img));
    return md5($img);
}


function compressImage($source_path, $destination_path, $quality) {
    $info = getimagesize($source_path);

    if ($info['mime'] == 'image/jpeg') {
        $image = imagecreatefromjpeg($source_path);
    } elseif ($info['mime'] == 'image/png') {
        $image = imagecreatefrompng($source_path);
    }

    imagejpeg($image, $destination_path, $quality);

    return $destination_path;
}