class Tariff extends Model
{
    use HasFactory, HasTranslations;

    public array $translatable = ['label', 'pivot.value'];

    protected $fillable = [
        'active',
        'label',
        'sort',
    ];

    protected $casts = [
        'active' => 'boolean',
        'label' => 'json',
        'sort' => 'integer',
    ];

    public function tariffPlans(): belongsToMany
    {
        return $this->belongsToMany(TariffPlan::class)
            ->withPivot(['tariff_type', 'value', 'sort'])
            ->orderByPivot('sort');
    }
}

class TariffPlan extends Model
{
    use HasFactory, HasTranslations;

    public array $translatable = ['label', 'price', 'pivot.value'];

    protected $fillable = [
        'label',
        'price',
        'active',
        'sort',
    ];

    protected $casts = [
        'label' => 'json',
        'price' => 'json',
        'active' => 'boolean',
        'sort' => 'integer',
    ];

    public function tariffs(): belongsToMany
    {
        return  $this->belongsToMany(Tariff::class)
            ->withPivot(['tariff_type', 'value', 'sort'])
            ->orderByPivot('sort');
    }
}

class TariffTariffPlan extends Model
{
    use HasFactory, HasTranslations;

    public array $translatable = ['value'];

    protected $fillable = [
        'tariff_id',
        'tariff_plan_id',
        'tariff_type',
        'value',
        'sort',
    ];

    protected $casts = [
        'tariff_id' => 'integer',
        'tariff_plan_id' => 'integer',
        'tariff_type' => 'string',
        'value' => 'json',
        'sort' => 'integer',
    ];

    public function tariff(): belongsTo
    {
        return $this->belongsTo(Tariff::class);
    }

    public function plan(): belongsTo
    {
        return $this->belongsTo(TariffPlan::class);
    }
}