<?php

namespace App\Models;

class CourseAppointmentTotal extends SoftDeletesModel
{
    protected $table = 'course_appointment_totals';

    public function user()
    {
        return $this->hasOne(User::class, 'id', 'user_id');
    }

    public function course()
    {
        return $this->hasOne(Course::class, 'id', 'course_id');
    }

    /**
     * 添加预约次数,通过课程
     */
    public static function addByCourse($courseId)
    {
        // 判断课程是否已生成预约次数
//        $has = self::where('course_id', $courseId)->first();
//        if ($has) return true;
        // 没有正常则生成预约次数
        $course = Course::find($courseId);
        $courseType = CourseType::find($course->type);
        $start_date = $course->start_date;
        if (empty($start_date)) return false;
        // 获取一年后的日期
        $oneYearLaterTimestamp = strtotime($start_date) + (365 * 24 * 60 * 60);
        // 获取所有合格学员
        if ($course->is_fee == 1) {
            $courseSigns = CourseSign::where('fee_status', 1)->where('course_id', $courseId)->get();
        } else {
            $courseSigns = CourseSign::where('status', 1)->where('course_id', $courseId)->get();
        }
        foreach ($courseSigns as $courseSign) {
            $where = [
                'user_id' => $courseSign->user_id,
                'course_id' => $courseSign->course_id,
                'course_sign_id' => $courseSign->id
            ];
            $data = [
                'user_id' => $courseSign->user_id,
                'course_id' => $courseSign->course_id,
                'course_sign_id' => $courseSign->id,
                'total' => $courseType->year_total,
                'start_time' => $start_date,
                'end_time' => date('Y-m-d H:i:s', $oneYearLaterTimestamp)
            ];
            self::firstOrCreate($where, $data);
        }
        return true;
    }

    /**
     * 添加预约次数
     */
    public static function add($userId, $course_sign_id)
    {
        $has = self::where('user_id', $userId)->where('course_sign_id', $course_sign_id)->first();
        if ($has) {
            return true;
        }
        // 加预约次数
        $courseSign = CourseSign::find($course_sign_id);
        $course = Course::find($courseSign->course_id);
        $courseType = CourseType::whereHas('courses', function ($query) use ($courseSign) {
            $query->where('id', $courseSign->course_id);
        })->first();
        $start_date = $course->start_date;
        if (empty($start_date)) $start_date = date('Y-m-d H:i:s');
        // 获取一年后的日期
        $oneYearLaterTimestamp = strtotime($start_date) + (365 * 24 * 60 * 60);
        self::create([
            'user_id' => $userId,
            'course_id' => $courseSign->course_id,
            'course_sign_id' => $course_sign_id,
            'total' => $courseType->year_total,
            'start_time' => $start_date,
            'end_time' => date('Y-m-d H:i:s', $oneYearLaterTimestamp)
        ]);
        return true;
    }

    /**
     * 减少预约次数
     */
    public static function reduce($userId, $course_sign_id)
    {
        $has = self::where('user_id', $userId)->where('course_sign_id', $course_sign_id)->first();
        if (empty($has)) {
            return true;
        }
        $has->delete();
        return true;
    }

}