<?php

namespace App\Models;

use App\Models\Concerns\HasUuid;
use Illuminate\Database\Eloquent\Model;
use Illuminate\Database\Eloquent\Relations\BelongsTo;
use Illuminate\Database\Eloquent\Relations\HasMany;

class Device extends Model
{
    use HasUuid;

    protected $fillable = [
        'uuid', 'name', 'vendor', 'model', 'protocol', 'config',
        'room_id', 'status', 'demo', 'last_seen_at',
    ];

    protected $casts = [
        'config' => 'array',
        'demo' => 'boolean',
        'last_seen_at' => 'datetime',
    ];

    public function room(): BelongsTo
    {
        return $this->belongsTo(Room::class);
    }

    public function entities(): HasMany
    {
        return $this->hasMany(Entity::class);
    }

    /**
     * Reachable now. Real devices must have been seen recently (kept fresh by MQTT); a
     * never-seen real device is offline. Only demo devices are "assumed reachable" when
     * they have no last_seen, so the seeded demo doesn't rot.
     */
    public function isOnline(): bool
    {
        if ($this->status !== 'active') {
            return false;
        }

        if ($this->last_seen_at !== null) {
            return $this->last_seen_at->gt(now()->subMinutes(10));
        }

        return (bool) $this->demo;
    }

    /** Cloud-bridged (e.g. Ring) — surfaced with a "Cloud" badge so the dependency is visible. */
    public function isCloud(): bool
    {
        return (bool) data_get($this->config, 'cloud', false);
    }

    /** Icons the user can pick for a device (keys map to the x-icon set). */
    public const ICON_CHOICES = ['bolt', 'lamp', 'led', 'plug', 'window', 'door', 'doorbell', 'activity', 'temp', 'devices'];

    /** The device's display icon — a user override (config.icon) or one derived from its entities. */
    public function displayIcon(): string
    {
        $override = data_get($this->config, 'icon');
        if (filled($override) && in_array($override, self::ICON_CHOICES, true)) {
            return $override;
        }

        $types = $this->relationLoaded('entities') ? $this->entities->pluck('type') : collect();

        return match (true) {
            $this->isCloud() => 'doorbell',
            $types->contains('light') => 'bolt',
            $types->contains('switch') => 'plug',
            $types->contains('contact') => 'window',
            $types->contains('motion') => 'activity',
            default => 'devices',
        };
    }
}