<?php

namespace App\Http\Requests\Admin\Manage;

use App\Enums\OrderChannel;
use App\Enums\Permission;
use App\Enums\PriceType;
use App\Models\Order;
use Illuminate\Foundation\Http\FormRequest;
use Illuminate\Validation\Rule;
use Illuminate\Validation\Validator;

class OrderRequest extends FormRequest
{
    public function authorize(): bool
    {
        $permission = $this->isMethod('POST')
            ? Permission::ORDERS_CREATE
            : Permission::ORDERS_UPDATE;

        return $this->user()?->can($permission->value) ?? false;
    }

    /**
     * @return array<string, mixed>
     */
    public function rules(): array
    {
        $rules = [
            'customer_id' => ['nullable', 'integer', Rule::exists('customers', 'id')->whereNull('deleted_at')],
            'channel' => ['required', 'string', Rule::in(array_column(OrderChannel::cases(), 'value'))],
            'price_type' => ['required', 'string', Rule::in(array_column(PriceType::cases(), 'value'))],
            'discount' => ['nullable', 'integer', 'min:0'],
            'marketplace_fee' => ['nullable', 'integer', 'min:0'],
            'notes' => ['nullable', 'string', 'max:100'],
            'items' => ['required', 'array', 'min:1'],
            'items.*.product_variant_id' => [
                'required',
                'integer',
                Rule::exists('product_variants', 'id')->whereNull('deleted_at'),
            ],
            'items.*.quantity' => ['required', 'integer', 'min:1'],
        ];

        return $rules;
    }

    public function withValidator(Validator $validator): void
    {
        if (! $this->isMethod('PUT') && ! $this->isMethod('PATCH')) {
            return;
        }

        $validator->after(function (Validator $validator): void {
            /** @var Order $order */
            $order = $this->route('order');

            if (! $order->status->isEditable()) {
                $validator->errors()->add('status', 'Pesanan tidak dapat diubah.');
            }
        });
    }
}