<?php

namespace App\Models;

use App\Enums\PublishedStatus;
use App\Lib\Helpers\ToolboxHelper;
use App\Lib\Helpers\FileStorageHelper;
use Illuminate\Database\Eloquent\Factories\HasFactory;
use Illuminate\Database\Eloquent\Model;
use Illuminate\Support\Str;
use Kwaadpepper\Enum\Traits\CastsEnums;

class News extends Model
{
    use CastsEnums;
    use HasFactory;

    /**
     * The attributes that are mass assignable.
     *
     * @var array
     */
    protected $fillable = [
        'title',
        'slug',
        'seo_title',
        'seo_description',
        'content',
        'picture',
        'picture_alt',
        'picture_title',
        'published'
    ];

    /**
     * Map attribute names to enum classes.
     *
     * @var array
     */
    protected $enumCasts = [
        'published' => PublishedStatus::class
    ];

    /**
     * The attributes that should be cast.
     *
     * @var array
     */
    protected $casts = [
        'published_at' => 'datetime'
    ];

    /**
     * Perform any actions required after the model boots.
     *
     * @return void
     */
    protected static function booted()
    {
        static::creating(function (self $model) {
            static::assertTitleIsUnique($model->title);
            ToolboxHelper::assertNoInternalBoUrls('content', $model->content);
            $model->slug    = Str::slug($model->title);
            $model->content = clean($model->content);
            $model->picture = FileStorageHelper::storeFile($model, $model->picture);
            if ($model->published->equals(PublishedStatus::published())) {
                $model->published_at = now();
            }
        });
        static::updating(function (self $model) {
            static::assertTitleIsUnique($model->title, $model->id);
            ToolboxHelper::assertNoInternalBoUrls('content', $model->content);
            $model->slug    = Str::slug($model->title);
            $model->content = clean($model->content);
            // * Update published_at it publish status changed
            if (
                $model->published->value != $model->getOriginal('published') and
                $model->published->equals(PublishedStatus::published())
            ) {
                $model->published_at = now();
            }
            // * Store new picture if changed
            if ($model->picture != $model->getOriginal('picture')) {
                $model->picture = FileStorageHelper::storeFile($model, $model->picture);
            }
        });
        static::updated(function (self $model) {
            ToolboxHelper::removeUnusedImagesOnCkEditor($model, 'content');
            if ($model->picture != $model->getOriginal('picture')) {
                $model->picture = FileStorageHelper::removeOldFile($model, 'picture');
            }
        });
        static::deleting(function (self $model) {
            FileStorageHelper::removeFile($model, 'picture');
            ToolboxHelper::removeImagesOnCkEditor($model, 'content');
        });
    }

    /**
     * Get the route key for the model.
     *
     * @return string
     */
    public function getRouteKeyName(): string
    {
        return 'slug';
    }

    // * RELATIONSHIPS

    /**
     * MorphToMany tags relation
     *
     * @return \Illuminate\Database\Eloquent\Relations\MorphToMany
     */
    public function tags()
    {
        return $this->morphToMany(Tag::class, 'taggable');
    }

    // * METHODS

    /**
     * Asserts using validation that the title is unique
     *
     * @param mixed        $title
     * @param integer|null $id
     * @return void
     * @throws \Illuminate\Validation\ValidationException If an actu title already exists.
     */
    private static function assertTitleIsUnique($title, ?int $id = null)
    {
        $table = (new self())->getTable();
        ToolboxHelper::assertFieldIsUnique($table, 'title', $title, $id);
        ToolboxHelper::assertFieldIsUnique($table, 'slug', Str::slug($title), $id);
    }
}