<?php

namespace App\Domains\Catalog\Resources;

use App\Domains\Catalog\Enums\InventoryPolicy;
use App\Domains\Catalog\Enums\ProductLayout;
use App\Domains\Catalog\Models\CatalogItem;
use App\Domains\Catalog\Models\FeaturedGroup;
use App\Domains\Catalog\Models\Variant;
use App\Domains\Ticket\Resources\ValidityTimeResource;
use Illuminate\Http\Request;
use Illuminate\Http\Resources\Json\JsonResource;

/** @mixin CatalogItem */
class CatalogFeaturedItemResource extends JsonResource
{
    /** @return array<string, mixed> */
    public function toArray(Request $request): array
    {
        $catalogItem = $this->resource;
        /** @var FeaturedGroup $featuredGroup */
        $featuredGroup = $catalogItem->getRelation('featuredGroup');

        if ($featuredGroup->product_layout === ProductLayout::ColumnWithImage) {
            return $this->columnWithImageData($catalogItem);
        }

        $data = [
            'id' => $catalogItem->id,
            'type' => $catalogItem->type->value,
            'nombre' => $catalogItem->nombre,
            'descripcion' => $catalogItem->descripcion,
            'precio' => $catalogItem->precio,
            'ticket_generation_policy' => $catalogItem->ticket_generation_policy->value,
            'validity_time_id' => $catalogItem->validity_time_id,
            'validity_time' => ValidityTimeResource::make($catalogItem->validityTime),
            'stock_tecnico' => $catalogItem->availableStock(),
            'variants' => $catalogItem->visibleVariants()
                ->map(fn (Variant $variant): array => [
                    'id' => $variant->id,
                    'event_date_id' => $variant->event_date_id,
                    'event_date' => $variant->eventDate?->date?->format('Y-m-d'),
                    'event_date_ids' => $variant->selectedEventDates()->pluck('id')->values(),
                    'event_dates' => $variant->selectedEventDates()->map(fn ($eventDate): string => $eventDate->date->format('Y-m-d'))->values(),
                    'descripcion' => $variant->getDescription(),
                    'precio' => number_format($variant->getPrice(), 2, '.', ''),
                    'stock_tecnico' => $catalogItem->inventory_policy === InventoryPolicy::Unlimited
                        ? null
                        : $variant->inventory->availableStock(),
                    'values' => $variant->selectorOptions($catalogItem->itemAttributes),
                ])
                ->values(),
        ];

        if ($featuredGroup->product_layout === ProductLayout::TicketSelector) {
            $data['image'] = $this->firstImageUrl($catalogItem);
        }

        return $data;
    }

    /** @return array<string, mixed> */
    private function columnWithImageData(CatalogItem $catalogItem): array
    {
        return [
            'id' => $catalogItem->id,
            'type' => $catalogItem->type->value,
            'nombre' => $catalogItem->nombre,
            'precio' => $catalogItem->precio,
            'ticket_generation_policy' => $catalogItem->ticket_generation_policy->value,
            'validity_time_id' => $catalogItem->validity_time_id,
            'validity_time' => ValidityTimeResource::make($catalogItem->validityTime),
            'image' => $this->firstImageUrl($catalogItem),
        ];
    }

    private function firstImageUrl(CatalogItem $catalogItem): ?string
    {
        $attachment = $catalogItem->attachments->first()
            ?? $catalogItem->variants
                ->flatMap(fn (Variant $variant) => $variant->attachments)
                ->first();

        return $attachment?->getTemporaryUrl(1440);
    }
}