<?php

namespace App\Models;

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

class DashboardWidgetPreference extends Model
{
    protected $fillable = ['user_id', 'widget_key', 'visible', 'sort_order'];

    protected $casts = ['visible' => 'boolean'];

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

    /**
     * Return merged widget config: defaults overlaid with user prefs.
     *
     * @return array<string, array{label: string, visible: bool, sort_order: int, permission: string|null}>
     */
    public static function forUser(int $userId): array
    {
        $defaults = self::defaults();

        $prefs = self::where('user_id', $userId)
            ->get()
            ->keyBy('widget_key');

        foreach ($defaults as $key => &$widget) {
            if ($prefs->has($key)) {
                $widget['visible']    = $prefs[$key]->visible;
                $widget['sort_order'] = $prefs[$key]->sort_order;
            }
        }

        uasort($defaults, fn ($a, $b) => $a['sort_order'] <=> $b['sort_order']);

        return $defaults;
    }

    /**
     * All available widgets with their defaults.
     */
    public static function defaults(): array
    {
        return [
            'cpu'           => ['label' => 'CPU Load',           'visible' => true, 'sort_order' => 1, 'permission' => null],
            'ram'           => ['label' => 'Memory',             'visible' => true, 'sort_order' => 2, 'permission' => null],
            'disk'          => ['label' => 'Storage',            'visible' => true, 'sort_order' => 3, 'permission' => null],
            'live_users'    => ['label' => 'Live Users',         'visible' => true, 'sort_order' => 4, 'permission' => null],
            'queues'        => ['label' => 'Queue Stats',        'visible' => true, 'sort_order' => 5, 'permission' => null],
            'activity_feed' => ['label' => 'Activity Feed',     'visible' => true, 'sort_order' => 6, 'permission' => 'view health and logs'],
            'ai_insight'    => ['label' => 'AI Security Insight','visible' => true, 'sort_order' => 7, 'permission' => 'view ai log analysis'],
        ];
    }
}