<?php

namespace App\Models;

use Illuminate\Database\Eloquent\Factories\HasFactory;
use Illuminate\Database\Eloquent\Model;
use Spatie\Image\Manipulations;
use Spatie\MediaLibrary\HasMedia;
use Spatie\MediaLibrary\InteractsWithMedia;
use Spatie\MediaLibrary\MediaCollections\Models\Media;
use Spatie\Sluggable\HasSlug;
use Spatie\Sluggable\SlugOptions;

class Lecturer extends Model implements HasMedia
{
    use HasFactory;
    use HasSlug;
    use InteractsWithMedia;

    /**
     * The attributes that aren't mass assignable.
     * @var array
     */
    protected $guarded = [];
    /**
     * The attributes that should be cast to native types.
     * @var array
     */
    protected $casts = [
        'id'      => 'integer',
        'team_id' => 'integer',
        'active'  => 'boolean',
    ];

    public function registerMediaConversions(Media $media = null): void
    {
        $this
            ->addMediaConversion('preview')
            ->fit(Manipulations::FIT_CROP, 300, 300)
            ->nonQueued();
        $this->addMediaConversion('thumb')
             ->fit(Manipulations::FIT_CROP, 130, 130)
             ->width(130)
             ->height(130);
    }

    public function registerMediaCollections(): void
    {
        $this->addMediaCollection('avatar')
             ->singleFile()
             ->useFallbackUrl(asset('img/einundzwanzig-cover-lesestunde.png'));
        $this->addMediaCollection('images')
             ->useFallbackUrl(asset('img/einundzwanzig-cover-lesestunde.png'));
    }

    /**
     * Get the options for generating the slug.
     */
    public function getSlugOptions(): SlugOptions
    {
        return SlugOptions::create()
                          ->generateSlugsFrom(['name'])
                          ->saveSlugsTo('slug')
                          ->usingLanguage('de');
    }

    public function createdBy(): \Illuminate\Database\Eloquent\Relations\BelongsTo
    {
        return $this->belongsTo(User::class, 'created_by');
    }

    public function team(): \Illuminate\Database\Eloquent\Relations\BelongsTo
    {
        return $this->belongsTo(Team::class);
    }

    public function courses(): \Illuminate\Database\Eloquent\Relations\HasMany
    {
        return $this->hasMany(Course::class);
    }

    public function libraryItems(): \Illuminate\Database\Eloquent\Relations\HasMany
    {
        return $this->hasMany(LibraryItem::class);
    }
}