<?php

namespace App\Transformers;

use App\Classes\ValueObjects\Constants\ApprovalStatus;
use App\Models\Transport;
use Illuminate\Support\Carbon;
use League\Fractal\Resource\Collection;
use League\Fractal\Resource\Item;
use League\Fractal\TransformerAbstract;

class TransportTransformer extends TransformerAbstract
{

    /**
     * List of resources to automatically include
     *
     * @var array
     */
    protected $defaultIncludes = [
        'current_schedule',
        'schedule_history'
    ];

    /**
     * List of resources possible to include
     *
     * @var array
     */
    protected $availableIncludes = [
        'packing_lists',
        'receive_packing_list'
    ];

    /**
     * A Fractal transformer.
     *
     * @param Transport $transport
     * @return array
     */
    public function transform(Transport $transport): array
    {
        return [
            'id' => $transport->id,
            'type' => $transport->type,
            'courier' => $transport->courier,
            'tracking_number' => $transport->tracking_number,
            'dispatch_date' => $transport->dispatch_date ? $transport->dispatch_date->format('d-m-Y') : $transport->dispatch_date,
            'drop_date' => $transport->drop_date ? $transport->drop_date->format('d-m-Y') : $transport->drop_date,
            'status' => $transport->status,
            'dropped_days' => Carbon::now()->diffInDays($transport->drop_date, false),
            'schedule_complete' => $this->isScheduleComplete($transport)
        ];
    }

    /**
     * Include Current Schedule
     * @param Transport $transport
     * @return Item
     */
    public function includeCurrentSchedule(Transport $transport): Item
    {
        $currentSchedule = $transport->schedules()->where('status', '=', ApprovalStatus::APPROVED)->first();
        return $this->item($currentSchedule, new ScheduleTransformer);
    }

    /**
     * include Schedule History
     * @param Transport $transport
     * @return Collection
     */
    public function includeScheduleHistory(Transport $transport): Collection
    {
        $history = $transport->schedules()->where('status', '=', ApprovalStatus::EXPIRED)->get();
        return $this->collection($history, new ScheduleTransformer);
    }

    public function isScheduleComplete(Transport $transport): bool
    {
        $currentSchedule = $transport->schedules()->where('status', '=', ApprovalStatus::APPROVED)->first();
        return $currentSchedule && $currentSchedule->eta <= Carbon::now();
    }


}