<?php

namespace App\Domains\Ticket\Resources\AdminApp;

use App\Domains\Catalog\Models\ItemAttribute;
use App\Domains\Purchase\Models\PurchaseItem;
use App\Domains\Ticket\Models\Ticket;
use App\Domains\Ticket\Resources\TicketResource;
use Illuminate\Http\Request;

/** @mixin Ticket */
class AdminAppTicketResource extends TicketResource
{
    /** @return array<string, mixed> */
    public function toArray(Request $request): array
    {
        $purchaseItem = $this->sourcePurchaseItem();

        return [
            ...parent::toArray($request),
            'source_purchase_id' => $this->source_purchase_id,
            'order_number' => $this->source_purchase_id,
            'product' => $purchaseItem?->item_nombre
                ?? $this->sourceCatalogItem?->nombre
                ?? $this->name,
            'amount' => $purchaseItem?->precio_unitario,
            'client' => $this->sourcePurchase?->nombre_apellido ?? $this->user?->nombre_apellido,
            'date' => $this->sourcePurchase?->created_at,
            'status' => $this->status,
            'scanned_by' => $this->scannerUser?->nombre_apellido,
            'variant_properties' => $this->variantProperties(),
        ];
    }

    private function sourcePurchaseItem(): ?PurchaseItem
    {
        return $this->sourcePurchase?->items->first(function (PurchaseItem $item): bool {
            if ($this->source_variant_id !== null) {
                return $item->source_variant_id === $this->source_variant_id;
            }

            return $item->source_catalog_item_id === $this->source_catalog_item_id
                && $item->source_variant_id === null;
        });
    }

    /**
     * @return list<array{
     *     code: string,
     *     label: string,
     *     values: list<array{value: string, label: string}>
     * }>
     */
    private function variantProperties(): array
    {
        $variant = $this->sourceVariant;

        if ($variant === null) {
            return [];
        }

        $itemAttributes = $variant->definitions
            ->map(fn ($definition) => $definition->itemAttribute)
            ->filter()
            ->merge($variant->catalogItem?->itemAttributes ?? collect())
            ->unique('id')
            ->values();

        return $variant->selectionOptions($itemAttributes)
            ->map(function (array $selection, string $attributeCode) use ($itemAttributes): array {
                $itemAttribute = $itemAttributes->first(
                    fn (ItemAttribute $itemAttribute): bool => $itemAttribute->attribute?->codigo
                        === $attributeCode,
                );
                $values = array_is_list($selection) ? $selection : [$selection];

                return [
                    'code' => $attributeCode,
                    'label' => $itemAttribute?->attribute?->nombre
                        ?? ($attributeCode === 'event_date' ? 'Fecha' : $attributeCode),
                    'values' => array_values($values),
                ];
            })
            ->values()
            ->all();
    }
}