<?php

namespace App\Domains\Desfile\Requests;

use Illuminate\Foundation\Http\FormRequest;
use Illuminate\Validation\Validator;

class SyncEntryVariantsRequest extends FormRequest
{
    public function authorize(): bool
    {
        return true;
    }

    /** @return array<string, mixed> */
    public function rules(): array
    {
        return [
            'variants' => ['required', 'array', 'min:1', 'max:1000'],
            'variants.*' => ['required', 'array:id,type,sector,row,seat,price'],
            'variants.*.id' => ['sometimes', 'integer', 'distinct'],
            'variants.*.type' => ['required', 'string', 'max:100'],
            'variants.*.sector' => ['required', 'string', 'max:100'],
            'variants.*.row' => ['required', 'string', 'max:100'],
            'variants.*.seat' => ['required', 'string', 'max:100'],
            'variants.*.price' => ['required', 'numeric', 'min:0', 'max:99999999.99'],
        ];
    }

    /** @return array<int, callable> */
    public function after(): array
    {
        return [function (Validator $validator): void {
            $combinations = [];

            foreach ($this->input('variants', []) as $index => $variant) {
                if (! is_array($variant)) {
                    continue;
                }

                $combination = collect(['type', 'sector', 'row', 'seat'])
                    ->map(fn (string $field): string => mb_strtolower(trim((string) ($variant[$field] ?? ''))))
                    ->implode('|');

                if (isset($combinations[$combination])) {
                    $validator->errors()->add(
                        "variants.{$index}",
                        'La combinación de tipo, sector, fila y asiento no puede repetirse.',
                    );
                }

                $combinations[$combination] = true;
            }
        }];
    }
}