<?php
/**
 * Created by PhpStorm.
 * User: ssh
 * Date: 2019/3/13
 * Time: 23:26
 */

namespace common\services;

use common\components\stringUtil;
use common\components\util;
use Yii;

class xhUploadService
{


    /**
     * 1：1比例 正方形图片上传
     * @author sshaohua
     * @time 2019/3/23
     */
    public static function squareImgUp($sjId)
    {
        $return = self::imgUp($sjId);

        if (isset($return['code']) == false) {
            util::fail();
        }

        if ($return['code'] == 'A0002') {
            echo json_encode($return);
            Yii::$app->end();
        }
        $data = $return['data'];
        $fileId = $data['fileId'];
        $extName = $data['extName'];
        $sourcePath = $data['sourcePath'];
        $sourceFile = $data['sourceFile'];
        $originalUrl = $data['url'];
        $outputPath = $data['outputPath'];

        $dstImg600 = rtrim($sourcePath, '/') . '/' . $fileId . '_600.' . $extName;
        util::img2thumb($sourceFile, $dstImg600, 600, 0, 0, 0);
        $bigImg = $outputPath . $fileId . '_600.' . $extName;

        $dstImg400 = rtrim($sourcePath, '/') . '/' . $fileId . '_400.' . $extName;
        util::img2thumb($sourceFile, $dstImg400, 400, 0, 0, 0);
        $middleImg = $outputPath . $fileId . '_400.' . $extName;

        $dstImg150 = rtrim($sourcePath, '/') . '/' . $fileId . '_150.' . $extName;
        util::img2thumb($sourceFile, $dstImg150, 150, 0, 0, 0);
        $smallImg = $outputPath . $fileId . '_150.' . $extName;

        return ['originalImg' => $originalUrl, 'middleImg' => $middleImg, 'bigImg' => $bigImg, 'smallImg' => $smallImg];

    }

    /**
     * 3:2比例 长方形图片上传
     * @author sshaohua
     * @time 2019/3/23
     */
    public static function rectangleImgUp($sjId)
    {
        $return = self::imgUp($sjId);

        if (isset($return['code']) == false) {
            util::fail();
        }

        if ($return['code'] == 'A0002') {
            echo json_encode($return);
            Yii::$app->end();
        }
        $data = $return['data'];
        $fileId = $data['fileId'];
        $extName = $data['extName'];
        $sourcePath = $data['sourcePath'];
        $sourceFile = $data['sourceFile'];
        $originalUrl = $data['url'];
        $outputPath = $data['outputPath'];

        $dstImg600 = rtrim($sourcePath, '/') . '/' . $fileId . '_600.' . $extName;
        util::img2thumb($sourceFile, $dstImg600, 600, 0, 0, 0);
        $bigImg = $outputPath . $fileId . '_600.' . $extName;

        $dstImg450 = rtrim($sourcePath, '/') . '/' . $fileId . '_450.' . $extName;
        util::img2thumb($sourceFile, $dstImg450, 450, 0, 0, 0);
        $middleImg = $outputPath . $fileId . '_450.' . $extName;

        $dstImg150 = rtrim($sourcePath, '/') . '/' . $fileId . '_150.' . $extName;
        util::img2thumb($sourceFile, $dstImg150, 150, 0, 0, 0);
        $smallImg = $outputPath . $fileId . '_150.' . $extName;

        return ['originalImg' => $originalUrl, 'middleImg' => $middleImg, 'bigImg' => $bigImg, 'smallImg' => $smallImg];
    }

    /**
     * 焦点图上传
     * @author sshaohua
     * @time 2019/3/24
     */
    public static function focusImgUp($sjId)
    {
        $return = self::imgUp($sjId);

        if (isset($return['code']) == false) {
            util::fail();
        }

        if ($return['code'] == 'A0002') {
            echo json_encode($return);
            Yii::$app->end();
        }
        $data = $return['data'];
        $fileId = $data['fileId'];
        $extName = $data['extName'];
        $sourcePath = $data['sourcePath'];
        $sourceFile = $data['sourceFile'];
        $originalUrl = $data['url'];
        $outputPath = $data['outputPath'];

        $dstImg750 = rtrim($sourcePath, '/') . '/' . $fileId . '_750.' . $extName;
        util::img2thumb($sourceFile, $dstImg750, 750, 0, 0, 0);
        $middleImg = $outputPath . $fileId . '_750.' . $extName;

        $dstImg150 = rtrim($sourcePath, '/') . '/' . $fileId . '_150.' . $extName;
        util::img2thumb($sourceFile, $dstImg150, 150, 0, 0, 0);
        $smallImg = $outputPath . $fileId . '_150.' . $extName;

        return ['originalImg' => $originalUrl, 'middleImg' => $middleImg, 'bigImg' => $middleImg, 'smallImg' => $smallImg];
    }

    /**
     * 取原图，上传什么图就取什么图
     * @author sshaohua
     * @time 2019/3/24
     */
    public static function originalImgUp($sjId)
    {
        $return = self::imgUp($sjId);
        if (isset($return['code']) == false) {
            util::fail();
        }
        if ($return['code'] == 'A0002') {
            echo json_encode($return);
            Yii::$app->end();
        }
        $data = $return['data'];
        $originalUrl = $data['url'];
        return ['url' => $originalUrl];
    }

    /**
     * 图片上传
     * @author sshaohua
     * @time 2019/3/23
     */
    public static function imgUp($sjId)
    {
        // Make sure file is not cached (as it happens for example on iOS devices)
        header("Expires: Mon, 26 Jul 1997 05:00:00 GMT");
        header("Last-Modified: " . gmdate("D, d M Y H:i:s") . " GMT");
        header("Cache-Control: no-store, no-cache, must-revalidate");
        header("Cache-Control: post-check=0, pre-check=0", false);
        header("Pragma: no-cache");
        // Support CORS
        // header("Access-Control-Allow-Origin: *");
        // other CORS headers if any...
        if ($_SERVER['REQUEST_METHOD'] == 'OPTIONS') {
            exit; // finish preflight CORS requests here
        }

        if (!empty($_REQUEST['debug'])) {
            $random = rand(0, intval($_REQUEST['debug']));
            if ($random === 0) {
                header("HTTP/1.0 500 Internal Server Error");
                exit;
            }
        }
        // header("HTTP/1.0 500 Internal Server Error");
        // exit;
        // 5 minutes execution time
        @set_time_limit(5 * 60);
        // Uncomment this one to fake upload time
        // usleep(5000);
        // Settings
        // $targetDir = ini_get("upload_tmp_dir") . DIRECTORY_SEPARATOR . "plupload";

        //$targetDir = 'upload_tmp';
        //$uploadDir = 'upload';
        $targetDir = Yii::getAlias('@webroot') . '/../../images/uploads/' . date('Ym', time()) . '/' . date("d") . '/tmp';
        $uploadDir = Yii::getAlias('@webroot') . '/../../images/uploads/' . date('Ym', time()) . '/' . date("d");

        $outputPath = '/uploads/' . date('Ym', time()) . '/' . date("d") . '/';

        $cleanupTargetDir = true; // Remove old files
        $maxFileAge = 5 * 3600; // Temp file age in seconds
        // Create target dir
        if (!file_exists($targetDir)) {
            @mkdir($targetDir, 0777, true);
        }
        // Create target dir
        if (!file_exists($uploadDir)) {
            @mkdir($uploadDir, 0777, true);
        }
        // Get a file name
        if (isset($_REQUEST["name"])) {
            $fileName = $_REQUEST["name"];
        } elseif (!empty($_FILES)) {
            $fileName = $_FILES["file"]["name"];
        } else {
            $fileName = uniqid("file_");
        }

        $id = stringUtil::buildOrderNo();
        $fileId = $id . '_' . $sjId;

        $arr = pathinfo($fileName);
        $ext = $arr['extension'];
        $ext = isset($ext) && !empty($ext) ? $ext : 'jpg';

        $fileName = $fileId . '.' . $ext;
        $outputFileName = $outputPath . $fileName;

        $filePath = $targetDir . DIRECTORY_SEPARATOR . $fileName;
        $uploadPath = $uploadDir . DIRECTORY_SEPARATOR . $fileName;
        // Chunking might be enabled
        $chunk = isset($_REQUEST["chunk"]) ? intval($_REQUEST["chunk"]) : 0;
        $chunks = isset($_REQUEST["chunks"]) ? intval($_REQUEST["chunks"]) : 1;
        // Remove old temp files

        if ($cleanupTargetDir) {
            if (!is_dir($targetDir) || !$dir = opendir($targetDir)) {
                return ['code' => 'A0002', 'msg' => 'Failed to open temp directory.'];
            }
            while (($file = readdir($dir)) !== false) {
                $tmpfilePath = $targetDir . DIRECTORY_SEPARATOR . $file;
                // If temp file is current file proceed to the next
                if ($tmpfilePath == "{$filePath}_{$chunk}.part" || $tmpfilePath == "{$filePath}_{$chunk}.parttmp") {
                    continue;
                }
                // Remove temp file if it is older than the max age and is not the current file
                if (preg_match('/\.(part|parttmp)$/', $file) && (@filemtime($tmpfilePath) < time() - $maxFileAge)) {
                    @unlink($tmpfilePath);
                }
            }
            closedir($dir);
        }
        // Open temp file
        if (!$out = @fopen("{$filePath}_{$chunk}.parttmp", "wb")) {
            return ['code' => 'A0002', 'msg' => 'Failed to open output stream.'];
        }
        if (!empty($_FILES)) {
            if ($_FILES["file"]["error"] || !is_uploaded_file($_FILES["file"]["tmp_name"])) {
                return ['code' => 'A0002', 'msg' => 'Failed to move uploaded file.'];
            }
            // Read binary input stream and append it to temp file
            if (!$in = @fopen($_FILES["file"]["tmp_name"], "rb")) {
                return ['code' => 'A0002', 'msg' => 'Failed to open input stream.'];
            }
        } else {
            if (!$in = @fopen("php://input", "rb")) {
                return ['code' => 'A0002', 'msg' => 'Failed to open input stream.'];
            }
        }
        while ($buff = fread($in, 4096)) {
            fwrite($out, $buff);
        }
        @fclose($out);
        @fclose($in);
        rename("{$filePath}_{$chunk}.parttmp", "{$filePath}_{$chunk}.part");

        $index = 0;
        $done = true;
        for ($index = 0; $index < $chunks; $index++) {
            if (!file_exists("{$filePath}_{$index}.part")) {
                $done = false;
                break;
            }
        }
        if ($done) {
            if (!$out = @fopen($uploadPath, "wb")) {
                return ['code' => 'A0002', 'msg' => 'Failed to open output stream.'];
            }
            if (flock($out, LOCK_EX)) {
                for ($index = 0; $index < $chunks; $index++) {
                    if (!$in = @fopen("{$filePath}_{$index}.part", "rb")) {
                        break;
                    }
                    while ($buff = fread($in, 4096)) {
                        fwrite($out, $buff);
                    }
                    @fclose($in);
                    @unlink("{$filePath}_{$index}.part");
                }
                flock($out, LOCK_UN);
            }
            @fclose($out);
        }

        return ['code' => 'A0001', 'msg' => 'success', 'data' => [
            'url' => $outputFileName,
            'fileId' => $fileId,
            'extName' => $ext,
            'sourcePath' => $uploadDir,
            'sourceFile' => $uploadPath,
            'outputPath' => $outputPath,
        ]];
    }

}