<?php
// +----------------------------------------------------------------------
// | Niucloud-admin 企业快速开发的多应用管理平台
// +----------------------------------------------------------------------

namespace app\api\controller\student;

use app\service\api\student\CourseBookingService;
use core\base\BaseController;
use think\Response;

/**
 * 课程预约控制器
 */
class CourseBookingController extends BaseController
{
    /**
     * 获取可预约课程列表
     * @param int $student_id
     * @return Response
     */
    public function getAvailableCourses($student_id)
    {
        $data = $this->request->params([
            ['date', ''],
            ['start_date', ''],
            ['end_date', ''],
            ['coach_id', ''],
            ['venue_id', ''],
            ['course_type', ''],
            ['page', 1],
            ['limit', 20]
        ]);
        $data['student_id'] = $student_id;

        // 验证student_id参数
        if (empty($student_id) || !is_numeric($student_id) || $student_id <= 0) {
            return fail('学员ID参数无效');
        }

        // 清理"undefined"参数
        foreach (['date', 'start_date', 'end_date', 'coach_id', 'venue_id', 'course_type'] as $field) {
            if (isset($data[$field]) && ($data[$field] === 'undefined' || $data[$field] === null)) {
                $data[$field] = '';
            }
        }

        // 构建验证规则，只对非空值进行验证
        $rules = [
            'student_id' => 'require|integer|gt:0',
            'page' => 'integer|egt:1',
            'limit' => 'integer|between:1,50'
        ];
        
        // 只对非空的日期字段进行验证
        if (!empty($data['date'])) {
            $rules['date'] = 'date';
        }
        if (!empty($data['start_date'])) {
            $rules['start_date'] = 'date';
        }
        if (!empty($data['end_date'])) {
            $rules['end_date'] = 'date';
        }

        $this->validate($data, $rules);

        try {
            $service = new CourseBookingService();
            $result = $service->getAvailableCourses($data);
            
            return success($result, '获取可预约课程成功');
            
        } catch (\Exception $e) {
            return fail($e->getMessage());
        }
    }

    /**
     * 创建课程预约
     * @return Response
     */
    public function createBooking()
    {
        $data = $this->request->params([
            ['student_id', 0],
            ['schedule_id', 0],
            ['course_date', ''],
            ['time_slot', ''],
            ['remark', '']
        ]);

        $this->validate($data, [
            'student_id' => 'require|integer|gt:0',
            'schedule_id' => 'require|integer|gt:0',
            'course_date' => 'require|date',
            'time_slot' => 'require|length:1,50'
        ]);

        try {
            $service = new CourseBookingService();
            $result = $service->createBooking($data);
            
            return success($result, '预约成功');
            
        } catch (\Exception $e) {
            return fail($e->getMessage());
        }
    }

    /**
     * 获取我的预约列表
     * @param int $student_id
     * @return Response
     */
    public function getMyBookingList($student_id)
    {
        $data = $this->request->params([
            ['status', ''],
            ['start_date', ''],
            ['end_date', ''],
            ['page', 1],
            ['limit', 20]
        ]);
        $data['student_id'] = $student_id;

        // 验证student_id参数
        if (empty($student_id) || !is_numeric($student_id) || $student_id <= 0) {
            return fail('学员ID参数无效');
        }

        $this->validate($data, [
            'student_id' => 'require|integer|gt:0',
            'start_date' => 'date',
            'end_date' => 'date',
            'page' => 'integer|egt:1',
            'limit' => 'integer|between:1,50'
        ]);

        try {
            $service = new CourseBookingService();
            $result = $service->getMyBookingList($data);
            
            return success($result, '获取预约列表成功');
            
        } catch (\Exception $e) {
            return fail($e->getMessage());
        }
    }

    /**
     * 取消课程预约
     * @return Response
     */
    public function cancelBooking()
    {
        $data = $this->request->params([
            ['booking_id', 0],
            ['cancel_reason', '']
        ]);

        $this->validate($data, [
            'booking_id' => 'require|integer|gt:0',
            'cancel_reason' => 'length:0,255'
        ]);

        try {
            $service = new CourseBookingService();
            $result = $service->cancelBooking($data);
            
            return success($result, '取消预约成功');
            
        } catch (\Exception $e) {
            return fail($e->getMessage());
        }
    }

    /**
     * 检查预约冲突
     * @return Response
     */
    public function checkBookingConflict()
    {
        $data = $this->request->params([
            ['student_id', 0],
            ['course_date', ''],
            ['time_slot', '']
        ]);

        $this->validate($data, [
            'student_id' => 'require|integer|gt:0',
            'course_date' => 'require|date',
            'time_slot' => 'require|length:1,50'
        ]);

        try {
            $service = new CourseBookingService();
            $result = $service->checkBookingConflict($data);
            
            return success($result, '检查完成');
            
        } catch (\Exception $e) {
            return fail($e->getMessage());
        }
    }
}