<?php

declare(strict_types=1);

namespace Modules\RestaurantDelivery\DTOs;

use Modules\RestaurantDelivery\Enums\DeliveryStatus;
use Modules\RestaurantDelivery\Models\Delivery;

readonly class DeliveryTrackingDTO
{
    public function __construct(
        public int $deliveryId,
        public string $trackingCode,
        public DeliveryStatus $status,
        public ?RiderLocationDTO $riderLocation = null,
        public ?float $pickupLatitude = null,
        public ?float $pickupLongitude = null,
        public ?float $dropLatitude = null,
        public ?float $dropLongitude = null,
        public ?string $pickupAddress = null,
        public ?string $dropAddress = null,
        public ?int $eta = null,
        public ?float $remainingDistance = null,
        public ?string $routePolyline = null,
        public ?array $riderInfo = null,
        public ?array $timeline = null,
    ) {}

    /**
     * Create DTO from Delivery model and Firebase data.
     */
    public static function fromDeliveryAndFirebase(Delivery $delivery, ?array $firebaseData = null): self
    {
        $riderLocation = null;
        if ($firebaseData && isset($firebaseData['rider_location'])) {
            $riderLocation = RiderLocationDTO::fromArray($firebaseData['rider_location']);
        }

        return new self(
            deliveryId: $delivery->id,
            trackingCode: $delivery->tracking_code,
            status: $delivery->status,
            riderLocation: $riderLocation,
            pickupLatitude: (float) $delivery->pickup_latitude,
            pickupLongitude: (float) $delivery->pickup_longitude,
            dropLatitude: (float) $delivery->drop_latitude,
            dropLongitude: (float) $delivery->drop_longitude,
            pickupAddress: $delivery->pickup_address,
            dropAddress: $delivery->drop_address,
            eta: $firebaseData['eta'] ?? null,
            remainingDistance: $firebaseData['remaining_distance'] ?? null,
            routePolyline: $firebaseData['route']['polyline'] ?? $delivery->route_polyline,
            riderInfo: $delivery->rider ? [
                'id' => $delivery->rider->id,
                'name' => $delivery->rider->full_name,
                'phone' => $delivery->rider->phone,
                'photo' => $delivery->rider->photo_url,
                'rating' => $delivery->rider->rating,
                'vehicle_type' => $delivery->rider->vehicle_type,
            ] : null,
            timeline: $delivery->statusHistory?->map(fn ($h) => [
                'status' => $h->to_status,
                'timestamp' => $h->changed_at->toIso8601String(),
                'label' => DeliveryStatus::from($h->to_status)->label(),
            ])->toArray(),
        );
    }

    /**
     * Convert to array.
     */
    public function toArray(): array
    {
        return [
            'delivery_id' => $this->deliveryId,
            'tracking_code' => $this->trackingCode,
            'status' => $this->status->value,
            'status_label' => $this->status->label(),
            'status_description' => $this->status->description(),
            'status_color' => $this->status->color(),
            'rider_location' => $this->riderLocation?->toArray(),
            'pickup' => [
                'latitude' => $this->pickupLatitude,
                'longitude' => $this->pickupLongitude,
                'address' => $this->pickupAddress,
            ],
            'drop' => [
                'latitude' => $this->dropLatitude,
                'longitude' => $this->dropLongitude,
                'address' => $this->dropAddress,
            ],
            'eta' => $this->eta,
            'eta_formatted' => $this->eta ? $this->formatEta($this->eta) : null,
            'remaining_distance' => $this->remainingDistance,
            'remaining_distance_formatted' => $this->remainingDistance
                ? round($this->remainingDistance, 1).' km'
                : null,
            'route_polyline' => $this->routePolyline,
            'rider' => $this->riderInfo,
            'timeline' => $this->timeline,
        ];
    }

    /**
     * Format ETA in human-readable format.
     */
    protected function formatEta(int $minutes): string
    {
        if ($minutes < 60) {
            return "{$minutes} min";
        }

        $hours = floor($minutes / 60);
        $mins = $minutes % 60;

        if ($mins === 0) {
            return "{$hours} hr";
        }

        return "{$hours} hr {$mins} min";
    }
}