<?php

namespace App\Http\Resources;

use App\Models\TicketLink;
use Illuminate\Http\Request;
use Illuminate\Http\Resources\Json\JsonResource;
use Illuminate\Support\Arr;

class TicketLinkResource extends JsonResource
{
    /**
     * Transform the resource into an array.
     *
     * @return array<string, mixed>
     */
    public function toArray(Request $request): array
    {
        if ($this->resource instanceof TicketLink) {
            $currentTicketId = (int) ($this->resource->getAttribute('current_ticket_id') ?? 0);
            $linkedTicket = $this->source_ticket_id === $currentTicketId
                ? $this->targetTicket
                : $this->sourceTicket;

            return [
                'id' => $this->id,
                'linked_ticket' => TicketReferenceResource::make($linkedTicket)->resolve(),
                'source_ticket_id' => $this->source_ticket_id,
                'target_ticket_id' => $this->target_ticket_id,
                'ticket_link_type' => TicketLinkTypeResource::make($this->ticketLinkType)->resolve(),
                'ticket_link_type_id' => $this->ticket_link_type_id,
                'created_at' => $this->created_at?->toISOString(),
                'updated_at' => $this->updated_at?->toISOString(),
            ];
        }

        return [
            'id' => Arr::get($this->resource, 'id'),
            'linked_ticket' => TicketReferenceResource::make(Arr::get($this->resource, 'linked_ticket'))->resolve(),
            'source_ticket_id' => Arr::get($this->resource, 'source_ticket_id'),
            'target_ticket_id' => Arr::get($this->resource, 'target_ticket_id'),
            'ticket_link_type' => TicketLinkTypeResource::make(Arr::get($this->resource, 'ticket_link_type'))->resolve(),
            'ticket_link_type_id' => Arr::get($this->resource, 'ticket_link_type_id'),
            'created_at' => Arr::get($this->resource, 'created_at'),
            'updated_at' => Arr::get($this->resource, 'updated_at'),
        ];
    }
}