<?php
namespace app\command;
use think\console\Command;
use think\console\Input;
use think\console\Output;
use think\console\input\Option;
use think\console\input\Argument;
use think\console\input\InputOption;
use Aria2;
use think\facade\Log;
use GuzzleHttp\Client;

class Zm extends Command
{
    private $aria2 = null;
    private $completed = false;
    private $user_id = '8ROYK0G3vGLyyEFjr9DtEQ==';

    protected function configure()
    {
        // 指令配置
        $this->setName('zm')
            ->setDescription('zm command');
    }

    protected function execute(Input $input, Output $output)
    {
        // 输出结果
        // $output->writeln("Hello, {$name}!");
        // $output->writeln("Option: {$option}");
        $this->aria2 = new Aria2('http://127.0.0.1:16800/jsonrpc','11223344'); //实例化aria2对象
        $this->aria2->setOption('enable-async-dns', true); //设置异步dns解析
        $this->aria2->setOption('enable-http-pipelining', true); //设置http管道化
        $this->aria2->setOption('enable-http-keep-alive', true); //设置http保持连接
        $this->completed = false;
        while($this->completed === false){
            try {
                $this->start();
            } catch (\Exception $e) {
                halt($e);
                sleep(3);
            }
        }
        dump('下载完成！');
    }
    protected function start()
    {
        $savepath = 'E:/zm';
        $lable = $this->getLable();
        if($lable['code'] == 0){
            $leftLabel = $lable['data']['leftLabel'];
            foreach ($leftLabel[0]['children'] as $key => $course) {
                $lable_title  = $course['title'];
                $lable_id     = $course['id'];
                $next = true;
                $curr_page = 1;
                $curr_total = 0;
                while($next){
                    $curr = $this->getCurr($lable_id,$curr_page);
                    $currs = $curr['data']['curriculum'];
                    foreach ($currs as $key => $value) {
                        $curr_total++;
                        $curr_item = $value;
                        $curr_item_title = $curr_item['title'];
                        $c = $savepath . '/' . $lable_title . '/' . $curr_item_title;
                        // dump('存储路径',$c);
                        is_dir($c) || mkdir($c,0755,true);

                        $author = $savepath . '/' . $lable_title . '/' . $curr_item_title . '/' . '作者.txt';
                        $this->savetxt($author,$curr_item['author']);
                        
                        $introduce = $savepath . '/' . $lable_title . '/' . $curr_item_title . '/' . '介绍.txt';
                        $this->savetxt($introduce,$curr_item['introduce']);

                        $cover = $curr_item['cover'];
                        $this->download($cover,$c);

                        $cover_name = basename($cover);
                        $cover_path = "{$c}/{$cover_name}-下载地址.txt";
                        $this->savetxt($cover_path,$cover);
                        $curr_details = $this->getCurrDetails($curr_item['id']);
                        foreach($curr_details['data']['curriculum']['allClassSectionTrue'] as $class){
                            $class_path = $c . '/' . $class['title'];
                            is_dir($class_path) || mkdir($class_path,0755,true);
                            $class_details = $this->getClassDetails($class['id']);
                            dump($class_path,$class_details);
                            $class_id = $class_details['data']['classSection']['id'];

                            if(!empty($class_details['data']['classSection']['video'])){
                                $this->download($class_details['data']['classSection']['video'],$class_path);
                            }
                            if(!empty($class_details['data']['classSection']['courseware'])){
                                $this->download($class_details['data']['classSection']['courseware'],$class_path);
                            }
                            if(!empty($class_details['data']['classSection']['construction_draw'])){
                                $this->download($class_details['data']['classSection']['construction_draw'],$class_path);
                            }
                            if(!empty($class_details['data']['classSection']['construction_draw_3d'])){
                                $this->download($class_details['data']['classSection']['construction_draw_3d'],$class_path);
                            }
                            
                            foreach($class_details['data']['classSection']['allEnclosure'] as $enclosure){
                                $parts = explode("{$class_id}/", $enclosure['url']);

                                $path = parse_url($enclosure['url'], PHP_URL_PATH);
                                $parts = explode('/', $path);
                                $this->download($enclosure['url'],$class_path . '/' . urldecode($parts[count($parts)-2]));
                            }
                        }
                    }
                    $curr_page++;
                    if($curr_total >= $curr['data']['total']){
                        $next = false;
                        break;
                    }
                }
                // exit();
            }
            dump($leftLabel);
        }else{
            dump($lable['msg']);
            exit();
        }
        exit();
    }
    protected function download($downloadurl,$dir,$filename = null)
    {
        $result = $this->aria2->addUri(
            [$downloadurl],
            ['dir'=>$dir,
            'header'=>[
                'User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/116.0.5845.97 Safari/537.36 Core/1.116.489.400 QQBrowser/13.7.6351.400',
                'referer: https://edu.zmrobo.com/courses',
            ],
            'out'=>$filename]
        );
    }
    public function getLable($sign = 'null')
    {
        $client = new Client();
        $result = $client->get("https://edu.zmrobo.com/api/label",[
            'headers'=>[
                'User-Agent'=>'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/116.0.5845.97 Safari/537.36 Core/1.116.489.400 QQBrowser/13.7.6351.400',
                'referer'=>'https://edu.zmrobo.com/courses',
                'E-Date'=>time(),
                'Sign'=>$sign,
            ]
        ]);
        $result = json_decode($result->getBody()->getContents(),true);
        if($result['code'] == -3){
            return $this->getLable($result['sign']);
        }else{
            return $result;
        }
    }
    public function getCurr($label_id,$page,$sign = 'null')
    {
        $client = new Client();
        $options = [
            'headers'=>[
                'User-Agent'=>'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/116.0.5845.97 Safari/537.36 Core/1.116.489.400 QQBrowser/13.7.6351.400',
                'referer'=>'https://edu.zmrobo.com/courses',
                'E-Date'=>time(),
                'Content-Type'=>'application/json; charset=utf-8',
                'Origin'=>'https://edu.zmrobo.com',
                'Sign'=>$sign,
            ],
            'body'=>json_encode([
                'label'=>[[$label_id]],
                'page'=>$page,
            ])
        ];
        $result = $client->post("https://edu.zmrobo.com/api/curriculum/list",$options);
        $result = json_decode($result->getBody()->getContents(),true);
        if($result['code'] == -3){
            return $this->getCurr($label_id,$page,$result['sign']);
        }else if($result['code'] == 0){
            return $result;
        }else{
            dump($result['msg']);
            exit();
        }
    }


    public function getCurrDetails($curr_id,$sign = 'null')
    {
        $client = new Client();
        $options = [
            'headers'=>[
                'User-Agent'=>'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/116.0.5845.97 Safari/537.36 Core/1.116.489.400 QQBrowser/13.7.6351.400',
                'referer'=>'https://edu.zmrobo.com/courses',
                'E-Date'=>time(),
                'Content-Type'=>'application/json; charset=utf-8',
                'Origin'=>'https://edu.zmrobo.com',
                'Sign'=>$sign,
            ],
            'body'=>json_encode([
                'id'=>$curr_id,
                'user_id'=>$this->user_id,
            ])
        ];
        $result = $client->post("https://edu.zmrobo.com/api/curriculum/details",$options);
        $result = json_decode($result->getBody()->getContents(),true);
        if($result['code'] == -3){
            return $this->getCurrDetails($curr_id,$result['sign']);
        }else if($result['code'] == 0){
            return $result;
        }else{
            dump($result['msg']);
            exit();
        }
    }
    public function getClassDetails($curr_id,$sign = 'null')
    {
        $client = new Client();
        $options = [
            'headers'=>[
                'User-Agent'=>'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/116.0.5845.97 Safari/537.36 Core/1.116.489.400 QQBrowser/13.7.6351.400',
                'referer'=>'https://edu.zmrobo.com/courses',
                'E-Date'=>time(),
                'Content-Type'=>'application/json',
                'Origin'=>'https://edu.zmrobo.com',
                'Sign'=>$sign,
            ],
            'body'=>json_encode([
                'id'=>$curr_id,
                'user_id'=>$this->user_id,
                'token'=>"7aa22a83fece93ed3e5a3119b085ced9",
            ])
        ];
        $result = $client->post("https://edu.zmrobo.com/api/class/details",$options);
        $result = json_decode($result->getBody()->getContents(),true);
        if($result['code'] == -3){
            return $this->getClassDetails($curr_id,$result['sign']);
        }else if($result['code'] == 0){
            return $result;
        }else{
            dump($result['msg']);
            exit();
        }
    }


    private function savetxt(string $file,string $content)
    {
        if(is_file($file)){
            unlink($file);
        }
        $myfile = fopen($file, "w");
        fwrite($myfile, $content);
        fclose($myfile);
        // dump('已保存文本内容：'.$file);
    }
}