<?php
/**
 * Created by PhpStorm.
 * User: liujin834
 * Date: 14/12/26
 * Time: 下午3:52
 */

namespace Westdc\File;

use Zend\ServiceManager\ServiceManager;
use Zend\ServiceManager\ServiceManagerAwareInterface;
use Westdc\EventModel\AbstractEventManager;
use Westdc\File\Listener\DefaultFileListener;

class Upload extends AbstractEventManager implements ServiceManagerAwareInterface{

    protected $serviceManager;

    private $uploadPath = "";
    private $relativePath = "";
    private $fileName = "";
    private $config;

    public function setServiceManager(ServiceManager $serviceManager)
    {
        $this->serviceManager = $serviceManager;

        $this->init();

        return $this;
    }

    public function init()
    {
        $Listener = new DefaultFileListener;
        $this->getEventManager()->attachAggregate($Listener);

        $configService = $this->serviceManager->get('ConfigService');
        $this->config = $configService->get('file.php');
    }

    /**
     * upload
     *
     * 文件上传
     *
     * @param Array  $files  e.g. $_FILES['Filedata']
     *
     * @return Array $msg  e.g. if($msg['error'])
     */
    public function upload($files)
    {
        if (empty($files) !== false) {
            return array("error"=>"请选择要上传的文件.");
        }

        if (is_uploaded_file($files['tmp_name']) === false) {
            return array("error"=>"文件上传失败,请重新上传");
        }

        $source = $this->source;
        $file = $files;

        $results = $this->getEventManager()->trigger('upload.pre', $this, compact('file'));
        $cache_data = $results->last();

        if($cache_data !== true)
        {
            return $cache_data;
        }

        $msg = array();

        $file_name = $files['name'];	//原文件名
        $file_size = $files['size'];	//文件大小

        $results = $this->makeUploadTarget();

        if(isset($results['error']))
        {
            return $results;
        }//文件夹问题

        $new_file_basename = $this->gen_uuid();
        $file_ext = $this->getFileTextExt($file_name);
        $new_file_name = $new_file_basename . '.' . $file_ext;//新文件名

        //移动文件
        $file_path = $results['save_path'] . $new_file_name ;

        if (move_uploaded_file($file['tmp_name'], $file_path) === false) {
            return array("error"=>"上传失败，请重试");
        }

        $dbsave = $db_path = $results['dbsave'];
        $dbsave .= $new_file_name;//数据库最终存储的文件
        $file_url = $dbsave;//文件链接

        $results = $this->getEventManager()->trigger('upload.makeThumb', $this, compact('conf','file_path','db_path','file_ext','new_file_basename'));
        $thumbnail = $results->last();

        $msg['file_url'] = $file_url;
        $msg['file_size'] = $file_size;
        $msg['db_path'] = $dbsave;
        $msg['realname'] = $file_name;
        $msg['file_ext'] = $file_ext;
        $msg['file_type'] = $this->getFileMime($file_path);
        $msg['thumb'] = $thumbnail;

        return $msg;
    }//文件上传

    /**
     * 设置上传文件的根路径，这样操作会忽略config中的定义
     * 根路径需要自行创建
     * 路径结尾必须加 "/"
     * @param string $path
     */
    public function setRootDir($path = "")
    {
        if(empty($path))
            $this->uploadPath = $this->config->upload;

        $this->uploadPath = $path;

        if(!preg_match("/[\/|\\\]+$/",$this->uploadPath))
            $this->uploadPath .= "/";
    }

    /**
     * 设置子路径，自动加在根路径之后
     * 如果不存在程序将创建
     * @param $dirname
     */
    public function setChildDir($dirname)
    {
        if(empty($dirname)) {
            return false;
        }

        $this->uploadPath .= $dirname;

        if (!preg_match("/[\/|\\\]+$/", $this->uploadPath))
            $this->uploadPath .= "/";


        if(!file_exists($this->uploadPath))
            mkdir($this->uploadPath);

        $this->relativePath = $dirname;
    }

    /**
     * 创建并返回年月日的子目录路径
     * @return string
     */
    public function makeDateDir()
    {
        $y = date("Y");
        $m = date("m");
        $d = date("d");

        $current_path = $y . "/";

        $save_path = $this->uploadPath . $current_path;

        if (!file_exists($save_path)) {
            mkdir($save_path);
        }

        $current_path .= $m . "/";
        $save_path .= $current_path;

        if (!file_exists($save_path)) {
            mkdir($save_path);
        }

        $current_path .= $d ."/";
        $save_path .= $current_path;

        if (!file_exists($save_path)) {
            mkdir($save_path);
        }

        $this->uploadPath .= $current_path;
        $this->relativePath .= $current_path;
        return $current_path;
    }

    /**
     * @param $fileName
     * @param $fileExt
     */
    public function setFileName($fileName,$fileExt)
    {
        if(!empty($fileName)){
            $this->fileName = $fileName . "." .$fileExt;
            return;
        }

        $tools = $this->serviceManager->get('Tools');
        $uuid = $tools->uuid();

        $this->fileName = $uuid . "." . $fileExt;

    }

    /**
     * @return string
     */
    public function getFileName()
    {
        return $this->fileName;
    }

    /**
     * @return string
     */
    public function getUploadPath()
    {
        return $this->uploadPath;
    }

    /**
     * @return string
     */
    public function getRelativePath()
    {
        return $this->relativePath;
    }

}