<?php

namespace App\Models;

use Carbon\Carbon;
use Illuminate\Support\Facades\Event;
use App\Events\ActivityLogged;
use Illuminate\Database\Eloquent\Builder;
use Illuminate\Database\Eloquent\MassPrunable;
use Illuminate\Database\Eloquent\Relations\HasOne;
use Illuminate\Database\Eloquent\Relations\HasMany;
use Illuminate\Database\Eloquent\Relations\MorphTo;
use Illuminate\Database\Eloquent\Model as IlluminateModel;

/**
 * \App\Models\ActivityLog.
 *
 * @property int $id
 * @property string|null $batch
 * @property string $event
 * @property string $ip
 * @property string|null $description
 * @property string|null $actor_type
 * @property int|null $actor_id
 * @property int|null $api_key_id
 * @property \Illuminate\Support\Collection|null $properties
 * @property \Carbon\Carbon $timestamp
 * @property IlluminateModel|\Eloquent $actor
 * @property \Illuminate\Database\Eloquent\Collection|\App\Models\ActivityLogSubject[] $subjects
 * @property int|null $subjects_count
 * @property \App\Models\ApiKey|null $apiKey
 *
 * @method static Builder|ActivityLog forActor(\Illuminate\Database\Eloquent\Model $actor)
 * @method static Builder|ActivityLog forEvent(string $action)
 * @method static Builder|ActivityLog newModelQuery()
 * @method static Builder|ActivityLog newQuery()
 * @method static Builder|ActivityLog query()
 * @method static Builder|ActivityLog whereActorId($value)
 * @method static Builder|ActivityLog whereActorType($value)
 * @method static Builder|ActivityLog whereApiKeyId($value)
 * @method static Builder|ActivityLog whereBatch($value)
 * @method static Builder|ActivityLog whereDescription($value)
 * @method static Builder|ActivityLog whereEvent($value)
 * @method static Builder|ActivityLog whereId($value)
 * @method static Builder|ActivityLog whereIp($value)
 * @method static Builder|ActivityLog whereProperties($value)
 * @method static Builder|ActivityLog whereTimestamp($value)
 *
 * @mixin \Eloquent
 */
class ActivityLog extends Model
{
    use MassPrunable;

    public const RESOURCE_NAME = 'activity_log';

    /**
     * Tracks all the events we no longer wish to display to users. These are either legacy
     * events or just events where we never ended up using the associated data.
     */
    public const DISABLED_EVENTS = ['server:file.upload'];

    public $timestamps = false;

    protected $guarded = [
        'id',
        'timestamp',
    ];

    protected $with = ['subjects'];

    public static array $validationRules = [
        'event' => ['required', 'string'],
        'batch' => ['nullable', 'uuid'],
        'ip' => ['required', 'string'],
        'description' => ['nullable', 'string'],
        'properties' => ['array'],
    ];

    protected function casts(): array
    {
        return [
            'properties' => 'collection',
            'timestamp' => 'datetime',
        ];
    }

    public function actor(): MorphTo
    {
        $morph = $this->morphTo();
        if (method_exists($morph, 'withTrashed')) {
            return $morph->withTrashed();
        }

        return $morph;
    }

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

    public function apiKey(): HasOne
    {
        return $this->hasOne(ApiKey::class, 'id', 'api_key_id');
    }

    public function scopeForEvent(Builder $builder, string $action): Builder
    {
        return $builder->where('event', $action);
    }

    /**
     * Scopes a query to only return results where the actor is a given model.
     */
    public function scopeForActor(Builder $builder, IlluminateModel $actor): Builder
    {
        return $builder->whereMorphedTo('actor', $actor);
    }

    /**
     * Returns models to be pruned.
     *
     * @see https://laravel.com/docs/9.x/eloquent#pruning-models
     */
    public function prunable()
    {
        if (is_null(config('activity.prune_days'))) {
            throw new \LogicException('Cannot prune activity logs: no "prune_days" configuration value is set.');
        }

        return static::where('timestamp', '<=', Carbon::now()->subDays(config('activity.prune_days')));
    }

    /**
     * Boots the model event listeners. This will trigger an activity log event every
     * time a new model is inserted which can then be captured and worked with as needed.
     */
    protected static function boot()
    {
        parent::boot();

        static::created(function (self $model) {
            Event::dispatch(new ActivityLogged($model));
        });
    }

    public function htmlable()
    {
        $user = $this->actor;
        if (!$user instanceof User) {
            $user = new User([
                'email' => 'system@pelican.dev',
                'username' => 'system',
            ]);
        }

        $event = __('activity.'.str($this->event)->replace(':', '.'));

        return "
            <div style='display: flex; align-items: center;'>
                <img width='50px' height='50px' src='{$user->getFilamentAvatarUrl()}' style='margin-right: 15px' />

                <div>
                    <p>$user->username — $this->event</p>
                    <p>$event</p>
                    <p>$this->ip — <span title='{$this->timestamp->format('M j, Y g:ia')}'>{$this->timestamp->diffForHumans()}</span></p>
                </div>
            </div>
        ";
    }
}
