<?php

namespace App\Models;

use Illuminate\Database\Eloquent\Factories\HasFactory;
use Illuminate\Database\Eloquent\Model;
use Illuminate\Database\Eloquent\Relations\BelongsTo;

class Event extends Model
{
    use HasFactory;

    protected $fillable = [
        'device_id',
        'position_id',
        'geofence_id',
        'traccar_event_id',
        'type',
        'event_time',
        'attributes',
        'acknowledged',
        'acknowledged_by',
        'acknowledged_at',
    ];

    protected $casts = [
        'event_time' => 'datetime',
        'attributes' => 'array',
        'acknowledged' => 'boolean',
        'acknowledged_at' => 'datetime',
    ];

    /**
     * Accessor for event_type to map to type column
     */
    public function getEventTypeAttribute()
    {
        return $this->type;
    }

    /**
     * Get the device that triggered this event
     */
    public function device(): BelongsTo
    {
        return $this->belongsTo(Device::class);
    }

    /**
     * Get the position where this event occurred
     */
    public function position(): BelongsTo
    {
        return $this->belongsTo(Position::class);
    }

    /**
     * Get the geofence related to this event
     */
    public function geofence(): BelongsTo
    {
        return $this->belongsTo(Geofence::class);
    }

    /**
     * Get the user who acknowledged this event
     */
    public function acknowledgedBy(): BelongsTo
    {
        return $this->belongsTo(User::class, 'acknowledged_by');
    }

    /**
     * Scope for unacknowledged events
     */
    public function scopeUnacknowledged($query)
    {
        return $query->where('acknowledged', false);
    }

    /**
     * Scope for events by type
     */
    public function scopeByType($query, $type)
    {
        return $query->where('type', $type);
    }

    /**
     * Get event severity level
     */
    public function getSeverity(): string
    {
        return match ($this->type) {
            'alarm' => 'high',
            'geofenceEnter', 'geofenceExit' => 'medium',
            'overspeed' => 'medium',
            'deviceOnline', 'deviceOffline' => 'low',
            default => 'low'
        };
    }

    /**
     * Get event color based on type
     */
    public function getEventColor(): string
    {
        return match ($this->type) {
            'alarm' => 'red',
            'geofenceEnter' => 'green',
            'geofenceExit' => 'orange',
            'overspeed' => 'red',
            'deviceOnline' => 'green',
            'deviceOffline' => 'red',
            default => 'gray'
        };
    }

    /**
     * Get human readable event type
     */
    public function getReadableType(): string
    {
        return match ($this->type) {
            'geofenceEnter' => 'Geofence Enter',
            'geofenceExit' => 'Geofence Exit',
            'overspeed' => 'Overspeed',
            'deviceOnline' => 'Device Online',
            'deviceOffline' => 'Device Offline',
            'alarm' => 'Alarm',
            default => ucfirst($this->type)
        };
    }
}