<?php
// +----------------------------------------------------------------------
// | Niucloud-admin 企业快速开发的多应用管理平台
// +----------------------------------------------------------------------
// | 官方网址：https://www.niucloud.com
// +----------------------------------------------------------------------
// | niucloud团队 版权所有 开源版本可自由商用
// +----------------------------------------------------------------------
// | Author: Niucloud Team
// +----------------------------------------------------------------------

namespace app\service\admin\exam_questions;

use app\model\exam_questions\ExamQuestions;

use core\base\BaseAdminService;
use PhpOffice\PhpSpreadsheet\IOFactory;


/**
 * 试题服务层
 * Class ExamQuestionsService
 * @package app\service\admin\exam_questions
 */
class ExamQuestionsService extends BaseAdminService
{
    public function __construct()
    {
        parent::__construct();
        $this->model = new ExamQuestions();
    }

    /**
     * 获取试题列表
     * @param array $where
     * @return array
     */
    public function getPage(array $where = [])
    {
        $field = 'id,title,question_type,question_content_type,correct_answer,question_content,option_json,created_at,updated_at';
        $order = 'id desc';

        $search_model = $this->model->withSearch(["title","question_type","created_at"], $where)->field($field)->order($order);
        $list = $this->pageQuery($search_model);
        return $list;
    }

    /**
     * 获取试题信息
     * @param int $id
     * @return array
     */
    public function getInfo(int $id)
    {
        $field = 'id,title,question_type,question_content_type,correct_answer,question_content,option_json,created_at,updated_at';

        $info = $this->model->field($field)->where([['id', "=", $id]])->findOrEmpty()->toArray();
        return $info;
    }

    /**
     * 添加试题
     * @param array $data
     * @return mixed
     */
    public function add(array $data)
    {
        $res = $this->model->create($data);
        return $res->id;

    }

    /**
     * 试题编辑
     * @param int $id
     * @param array $data
     * @return bool
     */
    public function edit(int $id, array $data)
    {

        $this->model->where([['id', '=', $id]])->update($data);
        return true;
    }

    /**
     * 删除试题
     * @param int $id
     * @return bool
     */
    public function del(int $id)
    {
        $model = $this->model->where([['id', '=', $id]])->find();
        $res = $model->delete();
        return $res;
    }


    public function random_questions_list(array $data){

        $singleChoiceIds = $data['single_choice_count'] > 0 ? $this->model
            ->where([['question_type', '=', 'single_choice']])
            ->orderRaw('RAND()')
            ->limit($data['single_choice_count'])
            ->column("id") : [];

        $multipleChoiceIds = $data['multiple_choice_count'] > 0 ? $this->model
            ->where([['question_type', '=', 'multiple_choice']])
            ->orderRaw('RAND()')
            ->limit($data['multiple_choice_count'])
            ->column("id") : [];

        $trueFalseIds = $data['true_false_count'] > 0 ? $this->model
            ->where([['question_type', '=', 'true_false']])
            ->orderRaw('RAND()')
            ->limit($data['true_false_count'])
            ->column("id") : [];

        $questions_ids = array_merge($singleChoiceIds, $multipleChoiceIds, $trueFalseIds);

        return success("随机成功", ['questions_ids' => implode(',', $questions_ids)]);
    }

    public function to_lead_into(array $data)
    {
        $filePath = public_path() . $data['url'];

        try {
            $spreadsheet = IOFactory::load($filePath);
            $worksheet = $spreadsheet->getActiveSheet();
            $highestRow = $worksheet->getHighestRow();

            $list = [];
            // 遍历每一行
            foreach ($worksheet->getRowIterator() as $rowIndex => $row) {
                if ($rowIndex == 1) {
                    // 跳过第一行（表头）和最后一行
                    continue;
                }

                $cellIterator = $row->getCellIterator();
                $cellIterator->setIterateOnlyExistingCells(false);

                $data = [];
                foreach ($cellIterator as $cell) {
                    $value = $cell->getValue(); // 获取每个单元格的值

                    if ($value instanceof \PhpOffice\PhpSpreadsheet\RichText\RichText) {
                        $value = $value->getPlainText();
                    }
                    $data[] = $value;
                }
                $list[] = $data;
            }
            $inserAll = [];
            $question_type_arr = ['单选' => 'single_choice','多选'=>'multiple_choice','判断' => 'true_false'];
            foreach ($list as $key => $item) {
                $option_json = [
                    [
                        'option_content_type' => $item[4],
                        'option_content' => $item[5],
                        'option' => 'A',
                        'correct_answer' => str_contains($item[12], 'A')
                    ],
                    [
                        'option_content_type' => $item[6],
                        'option_content' => $item[7],
                        'option' => 'B',
                        'correct_answer' => str_contains($item[12], 'B')
                    ],
                    [
                        'option_content_type' => $item[8],
                        'option_content' => $item[9],
                        'option' => 'C',
                        'correct_answer' => str_contains($item[12], 'C')
                    ],
                    [
                        'option_content_type' => $item[10],
                        'option_content' => $item[11],
                        'option' => 'D',
                        'correct_answer' => str_contains($item[12], 'D')
                    ]
                ];

                $inserAll[] = [
                    'title' => $item[0],
                    'question_type' =>$question_type_arr[$item[1]],
                    'question_content_type' => $item[2],
                    'question_content' => $item[3],
                    'option_json' => json_encode($option_json, JSON_UNESCAPED_UNICODE),
                    'correct_answer' => $item[12]
                ];
            }
            $this->model->insertAll($inserAll);
            return success("导入成功");

        } catch (\PhpOffice\PhpSpreadsheet\Reader\Exception $e) {
            return fail($e->getMessage());
        }

    }

}