<?php

namespace App\Http\Requests;

use App\Models\VisitTime;
use Illuminate\Foundation\Http\FormRequest;

class VisitTimeRequest extends FormRequest
{
    /**
     * Determine if the user is authorized to make this request.
     */
    public function authorize(): bool
    {
        return true;
    }

    /**
     * Get the validation rules that apply to the request.
     */
    public function rules(): array
    {
        $id = $this->input('id');
        $visitTimeId = $this->route('id') ?? $id;

        return [
            'start_time' => 'required|date_format:H:i',
            'end_time' => 'required|date_format:H:i|after:start_time',
        ];
    }

    /**
     * Get custom messages for validator errors.
     */
    public function messages(): array
    {
        return [
            'start_time.required' => __('validation.required', ['attribute' => __('visit_time.start_time')]),
            'start_time.date_format' => __('validation.date_format', ['attribute' => __('visit_time.start_time'), 'format' => 'H:i']),
            'end_time.required' => __('validation.required', ['attribute' => __('visit_time.end_time')]),
            'end_time.date_format' => __('validation.date_format', ['attribute' => __('visit_time.end_time'), 'format' => 'H:i']),
            'end_time.after' => __('validation.after', ['attribute' => __('visit_time.end_time'), 'date' => __('visit_time.start_time')]),
        ];
    }

    /**
     * Configure the validator instance.
     */
    public function withValidator($validator): void
    {
        $validator->after(function ($validator) {
            // 检查时间冲突
            if ($this->has('start_time') && $this->has('end_time')) {
                $startTime = $this->input('start_time');
                $endTime = $this->input('end_time');
                $id = $this->input('id');

                $hasConflict = VisitTime::where('id', '!=', $id)
                    ->where(function ($query) use ($startTime, $endTime) {
                        $query->where(function ($q) use ($startTime, $endTime) {
                            // 新时段开始时间在现有时段内
                            $q->where('start_time', '<=', $startTime)
                                ->where('end_time', '>', $startTime);
                        })->orWhere(function ($q) use ($startTime, $endTime) {
                            // 新时段结束时间在现有时段内
                            $q->where('start_time', '<', $endTime)
                                ->where('end_time', '>=', $endTime);
                        })->orWhere(function ($q) use ($startTime, $endTime) {
                            // 新时段完全包含现有时段
                            $q->where('start_time', '>=', $startTime)
                                ->where('end_time', '<=', $endTime);
                        });
                    })
                    ->exists();

                if ($hasConflict) {
                    $validator->errors()->add('start_time', __('visit_time.time_conflict'));
                }
            }
        });
    }
}