<?php

namespace App\Http\Requests;

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

class StudyRequest 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
    {
        return [
            'name' => 'required|string|max:200',
            'expire_day' => 'required|integer|min:1|max:365',
            'minute' => 'required|integer|min:1|max:1440',
            'rate' => 'required|numeric|min:0|max:100',
            'content' => 'required|string',
            'file' => 'nullable|array',
            'type' => 'required|in:1,2,3',
        ];
    }

    /**
     * Get custom messages for validator errors.
     */
    public function messages(): array
    {
        return [
            'name.required' => __('validation.required', ['attribute' => __('study.name')]),
            'name.max' => __('validation.max.string', ['attribute' => __('study.name'), 'max' => 200]),
            'expire_day.required' => __('validation.required', ['attribute' => __('study.expire_day')]),
            'expire_day.integer' => __('validation.integer', ['attribute' => __('study.expire_day')]),
            'expire_day.min' => __('validation.min.numeric', ['attribute' => __('study.expire_day'), 'min' => 1]),
            'expire_day.max' => __('validation.max.numeric', ['attribute' => __('study.expire_day'), 'max' => 365]),
            'minute.required' => __('validation.required', ['attribute' => __('study.minute')]),
            'minute.integer' => __('validation.integer', ['attribute' => __('study.minute')]),
            'minute.min' => __('validation.min.numeric', ['attribute' => __('study.minute'), 'min' => 1]),
            'minute.max' => __('validation.max.numeric', ['attribute' => __('study.minute'), 'max' => 1440]),
            'rate.required' => __('validation.required', ['attribute' => __('study.rate')]),
            'rate.numeric' => __('validation.numeric', ['attribute' => __('study.rate')]),
            'rate.min' => __('validation.min.numeric', ['attribute' => __('study.rate'), 'min' => 0]),
            'rate.max' => __('validation.max.numeric', ['attribute' => __('study.rate'), 'max' => 100]),
            'content.required' => __('validation.required', ['attribute' => __('study.content')]),
            'file.array' => __('validation.array', ['attribute' => __('study.file')]),
            'type.required' => __('validation.required', ['attribute' => __('study.type')]),
            'type.in' => __('validation.in', ['attribute' => __('study.type')]),
        ];
    }

    /**
     * Configure the validator instance.
     */
    public function withValidator($validator): void
    {
        $validator->after(function ($validator) {
            // 检查学习内容是否完整
            if ($this->has('content') && empty(trim($this->input('content')))) {
                $validator->errors()->add('content', __('study.content_cannot_be_empty'));
            }

            // 检查通过率是否合理
            if ($this->has('rate') && $this->input('rate') < 60) {
                $validator->errors()->add('rate', __('study.rate_too_low'));
            }
        });
    }
}