<?php

namespace app\controller;

use app\BaseController;
use app\model\{Article, Expert};
use think\facade\Db;

class ScriptController extends BaseController
{
    
    public function getArticle(){
        //获取已就绪文章列表
        $list = Article::where('status', 2)->field("*")->select()->toArray();
        //$list = Article::where('status', 3)->field("*")->select()->toArray();
        if(empty($list)){
            echo 'none';die;
        }
        
        //创建待处理目录
        $fileName = date('Y-m-d_H:i:s');
        $pathSrc = getcwd() . '/uploads/' . $fileName;
        $zipFile = $pathSrc . '.zip';
        mkdir($pathSrc, 0777, true);
        
        foreach ($list as $value) {
            if(empty($value['account']))continue;
            
            $uuid = strtoupper(md5($value['id']));

            //创建文件夹
            $artSrc = $pathSrc . '/' . $uuid;
            if (!is_dir($artSrc)) { //若目录不存在则创建之
                mkdir($artSrc, 0777, true);
            }

            //url图片保存本地
            if(empty($value['cover'])){
                copy(getcwd() . '/static/empty.png', $artSrc . '/b_cover.jpg');
            }else{
                $this->down_img($artSrc, $value['cover']);
            }
            
            //文章内容
            $wordname = $artSrc . "/a_article.doc";

            //html标签类文章转成word
            $html = $value['content'];
            $this->start();
            echo $html;
            $this->save($wordname);

            //设置信息
            file_put_contents($artSrc . '/c_message.txt', $value['id'] . "\r\n" .$value['title']);
            
            //设置账号
            
            file_put_contents($artSrc . '/d_account.txt', $this->getAccounts($value['account']));

            //更改状态为已下载
            Article::where('id', $value['id'])->update([
                'status' => 3,
                'download_time' => date('Y-m-d H:i:s')
            ]);
        }
        
        //打包
        $this->zip($pathSrc, $zipFile);
        
        //下载
        $this->downloadZip($zipFile);
       
        die; 
    }


    function start()
    {
        ob_start();
        echo '<html xmlns:o="urn:schemas-microsoft-com:office:office"
xmlns:w="urn:schemas-microsoft-com:office:word"
xmlns="http://www.w3.org/TR/REC-html40">';
    }

    function save($path)
    {

        echo "</html>";
        $data = ob_get_contents();
        ob_end_clean();

        $this->wirtefile($path, $data);
    }

    function wirtefile($fn, $data)
    {
        $fp = fopen($fn, "wb");
        fwrite($fp, $data);
        fclose($fp);
    }

    function down_img($path,$img_url){
        ob_start();
        readfile($img_url);
        $img=ob_get_contents();
        ob_end_clean();
        $filename = '/b_cover.jpg';
        $fp2=@fopen($path . $filename,'a');
        fwrite($fp2,$img);
        fclose($fp2);
        unset($img,$url);
    }
    
    private function getAccounts($accountIdStr){
        $content = [];
        $accountIds = explode(',', $accountIdStr);
        $accounts = Expert::where('id', 'in', $accountIds)->field("*")->select()->toArray();
        
        foreach($accounts as $item){
            $content[] = $item['platform_code'] . '|' . $item['script_x'] . '|' . $item['script_y'];
        }
        
        return implode("\r\n", $content);
    }
    
    
    //下载function
    private function downloadZip($zipPath)
    {
        $zipPath = iconv("UTF-8", "GBK", $zipPath);//加这行中文文件夹也ok了
        header("Cache-Control: public");
        header("Content-Description: File Transfer");
        header('Content-disposition: attachment; filename=' . basename($zipPath)); //文件名
        header("Content-Type: application/zip"); //zip格式的
        header("Content-Transfer-Encoding: binary"); //告诉浏览器，这是二进制文件
        header('Content-Length: ' . filesize($zipPath)); //告诉浏览器，文件大小
        @readfile($zipPath);//ob_end_clean();
        @unlink(app()->getRootPath().'public/'.$zipPath);//删除压缩包
    }
    
    
    /**
	 * zip压缩
	 * @param string $zipfile 压缩文件目录
	 * @param string $unzipdir 解压目录
	 */
	public function zip($dirsrc, $zipfile){
		if(!is_dir($dirsrc)){
			return false;
		}

		$aimDir = dirname($zipfile);
		$this->createDir($aimDir);

		$zip = new \ZipArchive;
		$res = $zip->open($zipfile, \ZipArchive::CREATE);
		if($res !== true){
			return false;
		}

		$this->_zip($dirsrc, $zip);

		$zip->close(); //关闭处理的zip文件
		return true;
	}

	//递归将文件添加至压缩包
	private function _zip($path, $zip, $zip_path = ''){
		$path = rtrim($path, '/');
		$handler = opendir($path); //打开当前文件夹由$path指定。

		while(($filename = readdir($handler)) !== false){
			if($filename == '.' || $filename == '..')continue;

			$nowPath = $path . '/' . $filename;
			$thzip_path = $zip_path . $filename;
			if(is_dir($nowPath)){
				// 如果读取的某个对象是文件夹，则递归
				$this->_zip($nowPath, $zip, $thzip_path . '/');
			}else{ 
				//将文件加入zip对象
				$zip->addFile($nowPath, $thzip_path);
			}
		}

		@closedir($path);
	}
	
	/**
	* 递归创建文件夹
	* @param string $path 路径
	*/
	public function createDir($path){ 
		if (!file_exists($path)){ 
			$this->createDir(dirname($path));
			mkdir($path, 0777); 
		} 
	} 
	
}