<?php
/*
|--------------------------------------------------------------------------
| upload.php 上传图片
|--------------------------------------------------------------------------
*/
namespace MazeApp\Upload;

use Maze;
use Maze\Img\Handle;

class Upload
{
	private $handle;
	
	/**
     * __construct
     * 
     * @return mixed
     */
	public function __construct()
	{
	}
	
	/**
     * 初始化上传的功能
     * 
     * @return mixed
     */
	public function init()
	{
		
	}
	
	/**
     * 开始上传
     * 
     * @return mixed
     */
	public function start()
	{
		$image['file'] = isset($_FILES['Filedata']) ? $_FILES['Filedata'] : $_FILES['upfile'];
		$image['key'] = Maze::input('key');
		$output = $this->save($image);
		Maze::out($output);
	}
	
	/**
     * 复制网络文件
     * 
     * @return mixed
     */
	public function copy()
	{
		$image['file'] = Maze::input('file');
		$image['key'] = Maze::input('key');
		$output = $this->save($image);
		Maze::out($output);
	}
	
	/**
     * 编辑器上传：ueditor
     * 
     * @return mixed
     */
	public function ueditor()
	{
		$callback = Maze::input('callback');
		$image['file'] = isset($_FILES['Filedata']) ? $_FILES['Filedata'] : $_FILES['upfile'];
		$image['key'] = Maze::input('key');
		$output = $this->save($image);
		if($output['status'] == 1)
		{
			$output['state'] = 'SUCCESS';
			$output['original'] = '1';
		}
		else
		{
			$output['url'] = '';
			$output['fileType'] = 1;
			$output['original'] = 1;
			$output['state'] = $output['message'];
		}
		
		Maze::out($output);
	}
	
	/**
     * 上传操作
     * 
     * @return mixed
     */
	private function save($image)
	{
		$output['status'] = 0;

		if(strstr($image['key'], '_'))
		{
			$handle = array();
			$temp = explode('_', $image['key']);
			$image['key'] = $temp[0];
			unset($temp[0]);
			foreach($temp as $k => $v)
			{
				$handle[] = explode('=', $v);
			}
		}

		if($image['file']['tmp_name'] == '')
        {
			$output['message'] = '没有选择文件';
			return $output;
		}
		
		if(trim($image['key']) == '')
        {
			$output['message'] = '请添加配置key';
			return $output;
		}
		
		$type = 'image/png,image/jpg,image/x-png,image/jpeg,image/pjpeg,image/gif,image/bmp,application/octet-stream';
		
		if(strpos($type, $image['file']['type']) === false)
        {
			$output['message'] = '文件格式不符合要求';
			return $output;
		}
		
		$config = Maze::load('image/upload-one', $image['key']);
		
		if(!is_array($config) || empty($config))
        {
			$output['message'] = '此配置不存在';
			return $output;
		}
		
		$size = $config['size'] > 0 ? 1024*$config['size'] : 30*1024*1024;
		
		if(($size < $image['file']['size']) && $size > 0)
        {
			$output['message'] = '文件不能超过'.$config['size'].'k';
			return $output;
		}

		$limit = getimagesize($image['file']['tmp_name']);
		
		if(($config['width'] && $config['width'] < $limit[0]) || ($config['height'] && $config['height'] < $limit[1]))
        {
			$output['message'] = '宽图片不能超过'.$config['width'].',高不能超过'.$config['height'];
			return $output;
		}
		
		$base = MAZE_PATH . 'data/upload/';
		
		$date = explode('-', date("Y-m-d"));
		$name = md5($image['file']['name'] . rand(0,100) . microtime());
		$path = $config['id'] . '/' . $date[0] . '/' . $date[1] . '/' . $date[2] . '/';
		$ext  = '.' . pathinfo($image['file']['name'], PATHINFO_EXTENSION);
		$file = Maze::path($base, $path . $name . $ext);
		
		# 不覆盖
		if(is_file($file) && $config['cover'] == 2)
		{
			$output['message'] = '文件已经存在';
			return $output;
		}
		# 不覆盖 生成新文件
		elseif(is_file($file) && $config['cover'] == 3)
		{
			$name = md5($this->data['tmp']['name'] . microtime() . mt_rand(0, 1000));
			$file = $base . $path . $name . $ext;
		}
		# 覆盖旧文件
		else
		{
			$pic = Maze::load('image/pic-info', array('where_name' => $name));
		}
		
		if(isset($pic) && $pic)
		{
			$param['set_name'] = $name;
			$param['set_file'] = $path;
			$param['set_ext'] = $ext;
			$param['set_width'] = $limit[0];
			$param['set_height'] = $limit[1];
			$param['set_size'] = $image['file']['size'];

			$pic = Maze::load('image/pic-update', $param);
		}
		else
		{
			$param['add_name'] = $name;
			$param['add_file'] = $path;
			$param['add_ext'] = $ext;
			$param['add_width'] = $limit[0];
			$param['add_height'] = $limit[1];
			$param['add_size'] = $image['file']['size'];
			$param['add_state'] = 1;


			//file_put_contents(MAZE_PATH . 'data/test', var_export($param,true));

			$pic = Maze::load('image/pic-insert', $param);
		}
		
		if(!copy($image['file']['tmp_name'], $file))
		{
			$output['message'] = '文件上传失败';
			return $output;
		}
		
		# 增加水印
		if($config['water'])
		{
			$handle[] = array('w', $water = array('water'=> $config['water'],'position'=> ($config['water_position'] ? $config['water_position'] : 1)));
		}
		
		if(isset($handle) && is_array($handle))
		{
			$this->handle = new Handle();
			foreach($handle as $k => $v)
			{
				$method = 'handle_' . $v[0];
				$this->$method($v[1], $file, $base, $path, $name, $ext);
			}
		}

		$output['status'] = 1;
		$output['url'] = Maze::$global['host']['image'] . $path . $name . $ext;
		return $output;
	}
	
	/**
     * water
     * 
     * @return mixed
     */
	private function handle_w($water, $file, $base, $path, &$name, $ext)
	{
		$name .= '_w';
		
        $file = $this->handle->mark($file, $water, true, $base . $path . $name . $ext);
	}
	
	/**
     * thumb
     * 
     * @return mixed
     */
	private function handle_t($id, $file, $base, $path, &$name, $ext)
	{
		$config = Maze::load('image/thumb-one', $id);
		if($config)
		{
			if(strpos($name, '_t') !== false)
			{
				$temp = explode('_t', $name);
				$name = $temp[0];
			}
			$name .= '_t' . $id;
			
			$size = $config['width'] . '_' . $config['height'] . '_2';
			
            $file = $this->handle->thumb($file, $size, true, $base . $path . $name . $ext);
		}
	}
	
	/**
     * crop
     * 
     * @return mixed
     */
	private function handle_c($id, $base, $path, &$name, $ext)
	{
		$config = Maze::load('image/crop-one', $id);
		
		if($config)
		{
			$name .= '_c' . $id;
			
			$size = $config['width'] . '_' . $config['height'] . '_2';
			
			//false position
            $file = $this->handle->crop($file, $size, false, true, $base . $path . $name . $ext);
            
            echo $file;die;
		}
	}
	
	/**
	* @desc 根据文件名称判断文件格式
	* @param $filename 文件名称
	* return string
	**/
	private function _checktype($filename)
	{
		$file = fopen($filename,"rb");
		$bin = fread($file,2);
		fclose($file);
		$strInfo = @unpack("c2chars",$bin);
		$typeCode = intval($strInfo['chars1'].$strInfo['chars2']);
		$fileType = '';
		switch($typeCode)
		{
			case 7790:
				$fileType = 'exe';
			break;
			case 7784:
				$fileType = 'midi';
			break;
			case 8297:
				$fileType = 'rar';
			break;
			case 255216:
				$fileType = 'jpg';
			break;
			case 7173:
				$fileType = 'gif';
			break;
			case 13780:
				$fileType = 'png';
			break;
			case 6677:
				$fileType = 'bmp';
			break;
			case 6787:
				$fileType = 'swf';
			break;
			case 6063;
				$fileType = 'php|xml';
			break;
			case 6033:
				$fileType = 'html|htm|shtml';
			break;
			case 8075:
				$fileType = 'zip';
			break;
			case 6782:
				$fileType = 'txt';
			break;
			case 4742:
				$fileType = 'js';
			break;
			case 8273:
				$fileType = 'wav';
			break;
			case 7368:
				$fileType = 'mp3';
			break;
			default:
				$fileType = 'unknown'.$typeCode;
			break;
		}
		if($strInfo['chars1'] == '-1' && $strInfo['chars2'] == '-40')
		{
			return 'jpg';
		}
		if($strInfo['chars1'] == '-119' && $strInfo['chars2'] == '80')
		{
			return 'png';
		}
		if($strInfo['chars1'] == '-48' && $strInfo['chars2'] == '-49')
		{
			return 'msi';
		}
		return $fileType;
	}
}