<?php

declare(strict_types=1);

namespace Modules\RestaurantDelivery\Observers;

use Illuminate\Support\Facades\Log;
use Modules\RestaurantDelivery\Models\Rider;
use Modules\RestaurantDelivery\Notifications\RiderWarningNotification;
use Modules\RestaurantDelivery\Services\Firebase\FirebaseService;

class RiderObserver
{
    public function __construct(
        protected FirebaseService $firebase
    ) {}

    /**
     * Handle the Rider "created" event.
     */
    public function created(Rider $rider): void
    {
        Log::info('Rider created', [
            'rider_id' => $rider->id,
            'name' => $rider->full_name,
        ]);
    }

    /**
     * Handle the Rider "updated" event.
     */
    public function updated(Rider $rider): void
    {
        // Check if status changed
        if ($rider->isDirty('status')) {
            $this->handleStatusChange($rider);
        }

        // Check if online status changed
        if ($rider->isDirty('is_online')) {
            $this->handleOnlineStatusChange($rider);
        }

        // Check if rating changed
        if ($rider->isDirty('rating')) {
            $this->handleRatingChange($rider);
        }

        // Check if verification status changed
        if ($rider->isDirty('is_verified')) {
            $this->handleVerificationChange($rider);
        }
    }

    /**
     * Handle status change.
     */
    protected function handleStatusChange(Rider $rider): void
    {
        $originalStatus = $rider->getOriginal('status');

        Log::info('Rider status changed', [
            'rider_id' => $rider->id,
            'from' => $originalStatus,
            'to' => $rider->status,
        ]);

        // Update Firebase
        if ($this->firebase->isEnabled()) {
            $this->firebase->updateRiderStatus($rider->id, $rider->status);
        }

        // Handle suspension
        if ($rider->status === 'suspended') {
            Log::warning('Rider suspended', [
                'rider_id' => $rider->id,
            ]);
        }
    }

    /**
     * Handle online status change.
     */
    protected function handleOnlineStatusChange(Rider $rider): void
    {
        Log::info('Rider online status changed', [
            'rider_id' => $rider->id,
            'is_online' => $rider->is_online,
        ]);

        // Update Firebase
        if ($this->firebase->isEnabled()) {
            $this->firebase->updateRiderStatus(
                $rider->id,
                $rider->is_online ? 'online' : 'offline'
            );
        }
    }

    /**
     * Handle rating change.
     */
    protected function handleRatingChange(Rider $rider): void
    {
        $originalRating = $rider->getOriginal('rating');
        $newRating = $rider->rating;

        Log::info('Rider rating changed', [
            'rider_id' => $rider->id,
            'from' => $originalRating,
            'to' => $newRating,
        ]);

        $thresholds = config('restaurant-delivery.rating.thresholds');
        $minRatings = $thresholds['minimum_ratings_for_threshold'] ?? 10;

        // Only check thresholds if rider has enough ratings
        if ($rider->rating_count >= $minRatings) {
            // Check warning threshold
            $warningThreshold = $thresholds['warning_threshold'] ?? 3.0;
            if ($newRating <= $warningThreshold && $originalRating > $warningThreshold) {
                $rider->notify(new RiderWarningNotification($rider, 'low_rating'));
            }
        }
    }

    /**
     * Handle verification change.
     */
    protected function handleVerificationChange(Rider $rider): void
    {
        Log::info('Rider verification status changed', [
            'rider_id' => $rider->id,
            'is_verified' => $rider->is_verified,
        ]);
    }

    /**
     * Handle the Rider "deleted" event.
     */
    public function deleted(Rider $rider): void
    {
        Log::info('Rider deleted', [
            'rider_id' => $rider->id,
        ]);
    }
}