<?php namespace App\Http\Controllers\Admin;

use App\Models\Custom;
use App\Models\Video\LearnAnswer as Model;
use App\Models\Video\Course as VideoCourse;
use App\Models\Video\Answer as VideoAnswer;
use App\Models\Video\Question as VideoQuestion;

/**
 * 学习记录
 *
 * @author    刘相欣
 *
 */
class VideoLearnAnswer extends Auth{
	
	protected function _initialize(){
		parent::_initialize();
		$this->assign('breadcrumb1','课中习题');
		$this->assign('breadcrumb2','答题记录');
	}

	/**
	 * 列表页
	 * 
	 * */
    public function index(Model $Model,VideoCourse $VideoCourse,Custom $Custom,VideoQuestion $VideoQuestion,VideoAnswer $VideoAnswer){
		// 接收参数
		$recordId					= request('record_id',0);
		$courseId					= request('course_id',0);
		$customCode					= request('custom_code','');
		$customName					= request('custom_name','');
		// 转码
		$customCode					= $Custom->codeToId($customCode);
		// 查询条件
		$map 						= [];
		// 组合条件
		if( $courseId )				$map[] = ['video_course.id','=',$courseId];
		if( $recordId )				$map[] = ['video_learn_answer.record_id','=',$recordId];
		if( $customCode )			$map[] = ['custom.uid','=',$customCode];
		if( $customName )			$map[] = ['custom.username','LIKE','%'.$customName.'%'];
		// 查询数据
		$list						= $Model->query()
									->join('video_course','video_course.id','=','video_learn_answer.course_id')
									->join('custom','custom.uid','=','video_learn_answer.custom_uid')
									->where($map)->select(['video_learn_answer.*','video_course.name as course_name','custom.username as custom_name'])
									->orderByDesc('id')->paginate(config('page_num',10));
		// 循环处理数据
		foreach ($list as $key => $value) {
			// 时间
			$value['custom_code']	= $Custom->idToCode($value['custom_uid']);
			$value['question_title']= $VideoQuestion->getOne($value['question_id'],'title');
			$value['answer_list'] 	= $VideoAnswer->getListByQuestion($value['question_id']);
			$value['answer_list'] 	= array_values($value['answer_list']);
			// 重组
			$list[$key]				= $value;
		}
		// 查询数据
		$courseList 				= $VideoCourse->query()->orderByDesc('id')->get(['id','name']);
		// 分配数据
		$this->assign('list',$list);
		$this->assign('courseList',$courseList);
		$this->assign('empty', '<tr><td colspan="20">~~暂无数据</td></tr>');
		// 加载模板
		return 						$this->fetch();
    }

	/**
	 * 导出表格导入
	 * 
	 * */
	public function down_excel(Model $Model,Custom $Custom,VideoQuestion $VideoQuestion,VideoAnswer $VideoAnswer){
		// 接收参数
		$recordId					= request('record_id',0);
		$courseId					= request('course_id',0);
		$customCode					= request('custom_code','');
		$customName					= request('custom_name','');
		// 转码
		$customCode					= $Custom->codeToId($customCode);
		// 查询条件
		$map 						= [];
		// 组合条件
		if( $courseId )				$map[] = ['video_course.id','=',$courseId];
		if( $recordId )				$map[] = ['video_learn_answer.record_id','=',$recordId];
		if( $customCode )			$map[] = ['custom.uid','=',$customCode];
		if( $customName )			$map[] = ['custom.username','LIKE','%'.$customName.'%'];
		// 查询数据
		$list						= $Model->query()
									->join('video_course','video_course.id','=','video_learn_answer.course_id')
									->join('custom','custom.uid','=','video_learn_answer.custom_uid')
									->where($map)->select(['video_learn_answer.*','video_course.name as course_name','custom.username as custom_name'])
									->get()->toArray();
		$data						= [];
		// 循环处理数据
		foreach ($list as $key => $value) {
			// 时间
			$value['custom_code']	= $Custom->idToCode($value['custom_uid']);
			$value['question_title']= $VideoQuestion->getOne($value['question_id'],'title');
			$value['answer_list'] 	= $VideoAnswer->getListByQuestion($value['question_id']);
			$value['answer_list'] 	= array_values($value['answer_list']);
			foreach ( $value['answer_list'] as $k => $v) {
				if( $v['is_answer'] )  $value['answer_list'][$k]['value'] .= "【答案】";
			}
			// 重组
            $data[$key]             = [
                'id'		    	=> $value['id'],
                'course_name'		=> $value['course_name'],
                'custom_code'		=> $value['custom_code'],
                'custom_name'		=> $value['custom_name'],
				'question_title'	=> $value['question_title'],
				'answer_list'		=> implode("\n",array_column($value['answer_list'],'value') ),
				'is_answer'			=> $value['is_answer']?'答对':'答错',
				'get_score'			=> $value['get_score'],
				'insert_time'		=> date('Y-m-d H:i:s',$value['insert_time'])
            ];
			// 重组
			$list[$key]				= $value;
		}
         
		try {
			// 去下载
			$this->toDown($data);
		} catch (\Throwable $th) {
			echo $th->getMessage();
		}
		
	}


	/**
	 * 去下载
	 */
	private function  toDown($data){
        try {
            $config     = ['path' =>public_path().'/uploads/'];
            $excel      = new \Vtiful\Kernel\Excel($config);
            $header     = ['ID','课程名称','客户编码','客户昵称','习题题目','习题选项','是否答对','得分','答题时间'];
            $filePath = $excel->fileName('tutorial01.xlsx', 'sheet1')->header($header)->data($data)->output();
            $filename   = uniqid().'.xlsx';
            header("Content-Type: application/vnd.openxmlformats-officedocument.spreadsheetml.sheet");
            header('Content-Disposition: attachment;filename="' . $filename . '"');
            header('Content-Length: ' . filesize($filePath));
            header('Content-Transfer-Encoding: binary');
            header('Cache-Control: must-revalidate');
            header('Cache-Control: max-age=0');
            header('Pragma: public');
            ob_clean();
            flush();
            if (copy($filePath, 'php://output') === false) {
                dd('下载出错');
            }
            @unlink($filePath);
            exit();
        }catch (\Throwable $th) {
            return $th->getMessage();
        }
	}


}