<?php

namespace App\Http\Requests;

use App\Exceptions\ErrorException;
use App\Models\BaseForm;
use App\Models\CustomFormField;
use Illuminate\Contracts\Validation\Validator;
use Illuminate\Foundation\Http\FormRequest;
use Illuminate\Validation\Rule;

class BaseFormRequest extends FormRequest
{
    public $tableName;
    public $customForm;
    public $customFormFields;

    public function __construct()
    {
        $model = new BaseForm();
        $this->tableName = $model->tableName;
        $this->customForm = $model->customForm;
        $this->customFormFields = CustomFormField::where('custom_form_id', $this->customForm->id)->whereNotNull('validation')->get();
    }


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

    /**
     * Get the validation rules that apply to the request.
     *
     * @return array
     */
    public function rules()
    {
        $id = request('id');
        $rules = [];
        foreach ($this->customFormFields as $item) {
            $validation = $item->validation;
            if (in_array('unique', $validation)) {
                $key = array_search('unique', $validation);
                // 唯一检测，排除自身
                $unique = Rule::unique($this->tableName);
                if ($id) $unique = $unique->ignore($id);
                $validation[$key] = $unique;

            }
            $rules[$item->field] = implode('|', $validation);
        }
        return $rules;
    }

    public function messages()
    {
        $validationRules = CustomFormField::$validationRules;
        $msg = [];
        foreach ($this->customFormFields as $key => $item) {
            foreach ($item->validation as $k => $v) {
                $msg[$item->field . '.' . $v] = $item->name . $validationRules[$v] . '检测不通过';
            }
        }
        return $msg;
    }

    protected function failedValidation(Validator $validator)
    {
        $msgArray = $validator->errors()->toArray();
        $list = [];
        foreach ($msgArray as $key => $item) {
            $list[$key] = implode(',', $item);
        }
        $list = array_values($list);
        $str = implode(',', $list);
        throw new ErrorException($str);
    }
}