<?php

declare(strict_types=1);

namespace Modules\RestaurantDelivery\Models;

use Illuminate\Database\Eloquent\Factories\HasFactory;
use Illuminate\Database\Eloquent\Model;
use Illuminate\Database\Eloquent\Relations\BelongsTo;
use Modules\RestaurantDelivery\Traits\HasRestaurant;
use Modules\RestaurantDelivery\Traits\HasUuid;

class DeliveryAssignment extends Model
{
    use HasFactory, HasRestaurant, HasUuid;

    public const TABLE_NAME = 'restaurant_delivery_assignments';

    protected $table = self::TABLE_NAME;

    protected $fillable = [
        'delivery_id',
        'rider_id',
        'restaurant_id',
        'status',
        'attempt_number',
        'assignment_type',
        'assigned_by',
        'score',
        'score_breakdown',
        'distance_to_restaurant',
        'estimated_arrival_time',
        'notified_at',
        'responded_at',
        'expires_at',
        'rejection_reason',
        'rejection_notes',
        'rider_latitude',
        'rider_longitude',
    ];

    protected $casts = [
        'score' => 'decimal:2',
        'score_breakdown' => 'array',
        'distance_to_restaurant' => 'decimal:2',
        'notified_at' => 'datetime',
        'responded_at' => 'datetime',
        'expires_at' => 'datetime',
        'rider_latitude' => 'decimal:7',
        'rider_longitude' => 'decimal:7',
    ];

    /*
    |--------------------------------------------------------------------------
    | Relationships
    |--------------------------------------------------------------------------
    */

    public function delivery(): BelongsTo
    {
        return $this->belongsTo(Delivery::class, 'delivery_id');
    }

    public function rider(): BelongsTo
    {
        return $this->belongsTo(Rider::class, 'rider_id');
    }

    public function assignedBy(): BelongsTo
    {
        return $this->belongsTo(config('auth.providers.users.model'), 'assigned_by');
    }

    /*
    |--------------------------------------------------------------------------
    | Scopes
    |--------------------------------------------------------------------------
    */

    public function scopePending($query)
    {
        return $query->where('status', 'pending');
    }

    public function scopeAccepted($query)
    {
        return $query->where('status', 'accepted');
    }

    public function scopeRejected($query)
    {
        return $query->where('status', 'rejected');
    }

    public function scopeExpired($query)
    {
        return $query->where('status', 'expired');
    }

    public function scopeActive($query)
    {
        return $query->whereIn('status', ['pending', 'accepted']);
    }

    public function scopeNotExpired($query)
    {
        return $query->where(function ($q) {
            $q->whereNull('expires_at')
                ->orWhere('expires_at', '>', now());
        });
    }

    /*
    |--------------------------------------------------------------------------
    | Methods
    |--------------------------------------------------------------------------
    */

    public function accept(): void
    {
        $this->update([
            'status' => 'accepted',
            'responded_at' => now(),
        ]);

        // Reject all other pending assignments for this delivery
        DeliveryAssignment::where('delivery_id', $this->delivery_id)
            ->where('id', '!=', $this->id)
            ->where('status', 'pending')
            ->update([
                'status' => 'cancelled',
                'responded_at' => now(),
            ]);
    }

    public function reject(string $reason, ?string $notes = null): void
    {
        $this->update([
            'status' => 'rejected',
            'responded_at' => now(),
            'rejection_reason' => $reason,
            'rejection_notes' => $notes,
        ]);
    }

    public function expire(): void
    {
        $this->update([
            'status' => 'expired',
            'responded_at' => now(),
        ]);
    }

    public function cancel(): void
    {
        $this->update([
            'status' => 'cancelled',
            'responded_at' => now(),
        ]);
    }

    public function isPending(): bool
    {
        return $this->status === 'pending';
    }

    public function isAccepted(): bool
    {
        return $this->status === 'accepted';
    }

    public function isRejected(): bool
    {
        return $this->status === 'rejected';
    }

    public function isExpired(): bool
    {
        if ($this->status === 'expired') {
            return true;
        }

        if ($this->expires_at && $this->expires_at->isPast()) {
            return true;
        }

        return false;
    }

    public function hasExpired(): bool
    {
        return $this->expires_at && $this->expires_at->isPast();
    }

    public function getResponseTime(): ?int
    {
        if (! $this->responded_at || ! $this->notified_at) {
            return null;
        }

        return $this->notified_at->diffInSeconds($this->responded_at);
    }

    public static function getRejectionReasons(): array
    {
        return [
            'too_far' => 'Restaurant is too far',
            'busy' => 'Currently busy',
            'ending_shift' => 'Ending my shift',
            'vehicle_issue' => 'Vehicle issue',
            'low_battery' => 'Phone/GPS low battery',
            'personal' => 'Personal reason',
            'other' => 'Other',
        ];
    }
}