from src.constants import DATE_PATTERN_YYYYMMDDTHHMMSSTZ
from src.util.dict_checker import DictCheck


class FetchTargetObjects():
    def __init__(self, object_info_file_dict) -> None:
        self.__dict_check = DictCheck()
        self.__objects = object_info_file_dict
        self.__key = 'objects'
        self.check_key_objects()
        self.__i = 0

    def __iter__(self):
        return self

    def __next__(self):
        if self.__i == len(self.__objects[self.__key]):
            raise StopIteration()
        value = self.__objects['objects'][self.__i]
        self.__i += 1
        return value

    def check_key_objects(self) -> None:
        __check_key = self.__key
        __check_type = list
        self.__dict_check.check_key_exist_and_value_type(
            self.__objects, __check_key, __check_type)


class TargetObject():
    def __init__(self, object_info, execute_datetime) -> None:
        self.__dict_check = DictCheck()
        self.__object_info = object_info
        self.execute_datetime = execute_datetime
        self.check_key_object_name()
        self.check_key_columns()
        self.check_key_is_skip()
        self.check_key_is_update_last_fetch_datetime()
        self.check_key_last_fetch_datetime_file_name()
        self.check_key_upload_file_name()
        self.object_name = self.__object_info['object_name']
        self.columns = self.__object_info['columns']
        self.is_skip = self.set_is_skip()
        self.is_update_last_fetch_datetime = self.set_is_update_last_fetch_datetime()
        self.last_fetch_datetime_file_name = self.set_fetch_datetime_file_name()
        self.upload_file_name = self.set_upload_file_name()

    def check_key_object_name(self) -> None:
        '''
        オブジェクト名チェック
        '''
        __check_key = 'object_name'
        __check_type = str
        self.__dict_check.check_key_exist_and_value_type(
            self.__object_info, __check_key, __check_type)

        return

    def check_key_columns(self) -> None:
        '''
        カラム情報チェック
        '''
        __key = 'columns'
        __type = list
        self.__dict_check.check_key_exist_and_value_type(
            self.__object_info, __key, __type)

        return

    def check_key_is_skip(self,) -> None:
        '''
        スキップフラグ型チェック
        '''
        __check_key = 'is_skip'
        __check_type = bool
        self.__dict_check.check_key_exist_case_value_type(
            self.__object_info, __check_key, __check_type)

        return

    def check_key_is_update_last_fetch_datetime(self) -> None:
        '''
        前回取得日時ファイル更新フラグチェック
        '''
        __check_key = 'is_update_last_fetch_datetime'
        __check_type = bool
        self.__dict_check.check_key_exist_case_value_type(
            self.__object_info, __check_key, __check_type)

        return

    def check_key_last_fetch_datetime_file_name(self) -> None:
        '''
        前回取得日時ファイル名型チェック
        '''
        __check_key = 'last_fetch_datetime_file_name'
        __check_type = str
        self.__dict_check.check_key_exist_case_value_type(
            self.__object_info, __check_key, __check_type)

        return

    def check_key_upload_file_name(self) -> None:
        '''
        アップロードファイル名称型チェック
        '''
        __check_key = 'upload_file_name'
        __check_type = str
        self.__dict_check.check_key_exist_case_value_type(
            self.__object_info, __check_key, __check_type)

        return

    def set_is_skip(self) -> bool:
        '''
        スキップフラグ設定
        '''
        __check_key = 'is_skip'
        if self.__dict_check.check_key_exist(self.__object_info, __check_key):
            return self.__object_info[__check_key]
        else:
            return False

    def set_is_update_last_fetch_datetime(self) -> bool:
        '''
        前回取得日時ファイル更新フラグ設定
        '''
        __check_key = 'is_update_last_fetch_datetime'
        if self.__dict_check.check_key_exist(self.__object_info, __check_key):
            return self.__object_info[__check_key]
        else:
            return False

    def set_fetch_datetime_file_name(self) -> str:
        '''
        前回取得日時ファイル名設定
        '''
        __check_key = 'last_fetch_datetime_file_name'
        if self.__dict_check.check_key_exist(self.__object_info, __check_key):
            return self.__object_info[__check_key]
        else:
            return self.__object_info['object_name'] + '.json'

    def set_upload_file_name(self) -> str:
        '''
        アップロードファイル名称設定
        '''
        __check_key = 'upload_file_name'
        if self.__dict_check.check_key_exist(self.__object_info, __check_key):
            return self.__object_info[__check_key].format(execute_datetime=self.execute_datetime)
        else:
            return 'CRM_' + self.__object_info['object_name'] + '_' + self.execute_datetime


class LastFetchDatetime():
    def __init__(self, last_fetch_datetime_file_name, last_fetch_datetime_file_dict, execute_datetime) -> None:
        self.__dict_check = DictCheck()
        self.execute_datetime = execute_datetime
        self.__last_fetch_datetime_file_dict = last_fetch_datetime_file_dict
        self.last_fetch_datetime_file_name = last_fetch_datetime_file_name
        self.check_key_last_fetch_datetime_from
        self.check_key_last_fetch_datetime_to
        self.last_fetch_datetime_from = self.__last_fetch_datetime_file_dict[
            'last_fetch_datetime_from']
        self.last_fetch_datetime_to = self.set_last_fetch_datetime_to()

    def check_key_last_fetch_datetime_from(self) -> None:
        '''
        データ取得開始日時チェック
        '''
        __check_key = 'last_fetch_datetime_from'
        __regex_str = DATE_PATTERN_YYYYMMDDTHHMMSSTZ
        self.__dict_check.check_key_exsit_and_regex(
            self.__last_fetch_datetime_file_dict, __check_key, __regex_str)

    def check_key_last_fetch_datetime_to(self) -> None:
        '''
        データ取得終了日時チェック
        '''
        __check_key = 'last_fetch_datetime_to'
        __regex_str = DATE_PATTERN_YYYYMMDDTHHMMSSTZ
        self.__dict_check.check_key_exsit_case_regex(
            self.__last_fetch_datetime_file_dict, __check_key, __regex_str)

    def set_last_fetch_datetime_to(self) -> str:
        '''
        データ取得終了日時設定
        '''
        __check_key = 'last_fetch_datetime_to'
        if self.__dict_check.check_key_exist(self.__last_fetch_datetime_file_dict, __check_key):
            return self.__last_fetch_datetime_file_dict[__check_key].format(execute_datetime=self.execute_datetime)
        else:
            return self.execute_datetime