<?php

namespace App\Http\Requests\Admin;

use Illuminate\Validation\Rule;
use App\Http\Requests\ApiFormRequest;
use App\Services\Draw\DrawPrizeLayout;

final class DrawManualResultBatchStoreRequest extends ApiFormRequest
{
    public function authorize(): bool
    {
        return true;
    }

    public function rules(): array
    {
        return [
            'items' => ['required', 'array', 'size:23'],
            'items.*.prize_type' => ['required', 'string', Rule::in(['first', 'second', 'third', 'starter', 'consolation'])],
            'items.*.prize_index' => ['required', 'integer', 'min:0', 'max:9'],
            'items.*.number_4d' => ['required', 'regex:/^[0-9]{4}$/'],
        ];
    }

    public function withValidator($validator): void
    {
        $validator->after(function ($validator): void {
            $expected = $this->slotKeys(DrawPrizeLayout::slots());
            $actual = $this->slotKeys((array) $this->input('items', []));

            sort($expected);
            sort($actual);

            if ($actual !== $expected) {
                $validator->errors()->add('items', __('validation.exact.items_must_contain_23_slots'));
            }
        });
    }

    /**
     * @param  array<int, array<string, mixed>>  $items
     * @return list<string>
     */
    private function slotKeys(array $items): array
    {
        $keys = [];
        foreach ($items as $item) {
            $keys[] = (string) ($item['prize_type'] ?? '').':'.(string) ($item['prize_index'] ?? '');
        }

        return $keys;
    }
}
