<?php

declare(strict_types=1);

namespace App\Models\Concerns;

use App\Models\Tag;
use Illuminate\Database\Eloquent\Builder;
use Illuminate\Database\Eloquent\Relations\MorphToMany;

trait Markable
{
    public function initializeMarkable(): void
    {
        $this->mergeCasts(['is_starred' => 'boolean']);
    }

    public function tags(): MorphToMany
    {
        return $this->morphToMany(Tag::class, 'taggable')->orderBy('tags.title');
    }

    /**
     * @param array<string, mixed> $filters
     */
    public function scopeMarked(Builder $query, array $filters): Builder
    {
        $tagIds = array_values(array_filter(array_map('intval', (array) ($filters['tag_ids'] ?? []))));

        return $query
            ->when(
                filter_var($filters['starred'] ?? false, FILTER_VALIDATE_BOOL),
                fn (Builder $q) => $q->where($this->qualifyColumn('is_starred'), true),
            )
            ->when($tagIds, fn (Builder $q) => $q->whereHas('tags', fn (Builder $tags) => $tags->whereIn('tags.id', $tagIds)));
    }
}