class TrunkLVProjectSerializer(GenericSerializer):
    """
    Отвечает за сериализация данных модели TrunkLVProject (табличное представление),
    оправляемых в ответе на запрос.
    """

    readonly_field = ['id_field']
    mandatory_fields = ['id_field',]
    create_field = [
       'lv_project_field',
    ]

    id_field = GenericSerializerField(
        model_field_name='id',
    )
    lv_project_name_field = GenericSerializerField(
        model_field_name='lv_project__name'
    )
    trunks_login_field = GenericSerializerField(
        model_field_name='trunks__login'
    )
    trunks_password_field = GenericSerializerField(
        model_field_name='trunks__password'
    )
    trunks_hostname_field = GenericSerializerField(
        model_field_name='trunks__hostname'
    )

    # Поля не связанные с моделью
    more_info_btn_field = serializers.SerializerMethodField()
    delete_btn_field = serializers.SerializerMethodField()

    fields_information = {
        'id_field': GenericSerializer.get_field_information(
            model_name='id', field_verbose='ID',
        ),
        'lv_project_name_field': GenericSerializer.get_field_information(
            model_name='lv_project__name', field_verbose='Наименование проекта',
        ),
        'trunks_login_field': GenericSerializer.get_field_information(
            model_name='trunks__login', field_verbose='Логин',
        ),
        'trunks_password_field': GenericSerializer.get_field_information(
            model_name='trunks__password', field_verbose='Пароль'
        ),
        'trunks_hostname_field': GenericSerializer.get_field_information(
            model_name='trunks__hostname', field_verbose='Хост'
        ),

        # Поля не связанные с моделью
        'delete_btn_field': GenericSerializer.get_field_information(),
        'more_info_btn_field': GenericSerializer.get_field_information(),
    }


    def get_more_info_btn_field(self, obj: LVProject) -> dict:
        """Определяет возвращаемое значение для поля кнопки перехода к проекту LV."""

        url = reverse('lvproject_retrieve', args=[obj.id])
        verbose = 'Подробнее'
        return self.get_button_field(action=GenericSerializer.ButtonActions.REDIRECT, url=url, verbose=verbose)


    def get_delete_btn_field(self, obj: LVProject) -> dict:
        """Определяет возвращаемое значение для поля кнопки удаления."""

        url = reverse('lvproject_retrieve', args=[obj.id])
        verbose = 'Удалить'
        return self.get_button_field(action=GenericSerializer.ButtonActions.DELETE, url=url, verbose=verbose)

    class Meta:
        model = TrunkLVProject
        depth = 1
        fields = [
            'id_field',
            'lv_project_name_field',
            'trunks_login_field',
            'trunks_password_field',
            'trunks_hostname_field',
            'delete_btn_field',
            'more_info_btn_field',
        ]


class SingleTrunkLVProjectSerializer(GenericSerializer):
    """
    Отвечает за сериализация данных модели TrunkLVProject (табличное представление),
    оправляемых в ответе на запрос.
    """

    readonly_field = ['id_field']
    mandatory_fields = ['id_field',]
    create_field = [
       'lv_project_field',
    ]

    id_field = GenericSerializerField(model_field_name='id')
    lv_project_field = GenericSerializerField(
        model_field_name='lv_project_id',
    )
    trunks_field = GenericSerializerField(
        model_field_name='trunks_id',
    )

    fields_information = {
        'id_field': GenericSerializer.get_field_information(
            model_name='id', field_verbose='ID',
        ),
        'lv_project_field': GenericSerializer.get_field_information(
            model_name='lv_project_id', field_verbose='ID',
        ),
        'trunks_field': GenericSerializer.get_field_information(
            model_name='trunks_id', field_verbose='ID',
        ),
    }

    class Meta:
        model = TrunkLVProject
        depth = 1
        fields = [
            'id_field',
            'lv_project_field',
            'trunks_field',
        ]