from typing import List, Optional, Union, Any, Tuple
from .enums import NamingScheme, License
from .generic_text import GenericText
from .formatterif import Config
from .git_version_info import GitVersionInfo


class FormattingConfig(Config):
    def __init__(self):
        self._naming_scheme: Optional[Union[NamingScheme, str]] = None
        self._license: Optional[List[License]] = None
        self._description: Optional[str] = None

        self._include_extra_header: Optional[bool] = None
        self._include_build_time: Optional[bool] = None
        self._include_pytex_version: Optional[bool] = None
        self._include_pytex_info_text: Optional[bool] = None
        self._include_repo_version: Optional[bool] = None
        self._include_repo_info_text: Optional[bool] = None

        self._extra_header: Optional[GenericText] = None
        self._author: Optional[str] = None
        self._licenses = Optional[List[GenericText]]
        self._version: Optional[str] = None
        self._pytex_version: Optional[GitVersionInfo] = None
        self._pytex_info_text: Optional[GenericText] = None
        self._repo_version: Optional[GitVersionInfo] = None
        self._repo_info_text: Optional[GenericText] = None

        self._include_drv: Optional[bool] = True
        self._include_ins: Optional[bool] = True
        self._use_docstrip_guards: Optional[List[str]] = None

    @classmethod
    def from_yaml(cls, yaml):
        pass

    def merge_with(self, other, strict: bool = False):
        """
        Merges the other config into this one
        :param other:
        :param strict: whether conflicting options are allowed or not
        :return: self
        """
        for var in vars(self):
            if not getattr(self, var):
                setattr(self, var, getattr(other, var))
            else:
                if strict and getattr(other, var) is not None and getattr(self, var) != getattr(other, var):
                    raise NotImplementedError
        return self

    @property
    def naming_scheme(self) -> NamingScheme:
        if self._naming_scheme is None:
            return NamingScheme.prepend_author
        else:
            return self._naming_scheme

    @property
    def license(self) -> list:
        if self._license is None:
            return []
        else:
            return self._license

    @property
    def include_extra_header(self) -> bool:
        if self._include_extra_header is None:
            return False
        else:
            return self._include_extra_header

    @property
    def include_build_time(self) -> bool:
        if self._include_build_time is None:
            return False
        else:
            return self._include_build_time

    @property
    def include_pytex_version(self) -> bool:
        if self._include_pytex_version is None:
            return False
        else:
            return self._include_pytex_version

    @property
    def include_pytex_info_text(self) -> bool:
        if self._include_pytex_info_text is None:
            return False
        else:
            return self._include_pytex_info_text

    @property
    def include_repo_version(self) -> bool:
        if self._include_repo_version is None:
            return False
        else:
            return self._include_repo_version

    @property
    def include_repo_info_text(self) -> bool:
        if self._include_repo_info_text is None:
            return False
        else:
            return self._include_repo_info_text

    @property
    def extra_header(self) -> GenericText:
        if self._extra_header is None:
            return GenericText([])
        else:
            return self._extra_header

    @property
    def author(self) -> str:
        if self._author is None:
            return "MISSING AUTHOR"
        else:
            return self._author

    @property
    def licenses(self) -> GenericText:
        if self._licenses is None:
            return GenericText([])
        else:
            return self._licenses

    @property
    def version(self) -> str:
        if self._version is None:
            return "0.0.0"
        else:
            return self._version

    @property
    def pytex_version(self) -> Optional[GitVersionInfo]:
        return self._pytex_version

    @property
    def pytex_info_text(self) -> GenericText:
        if self._pytex_info_text is None:
            return GenericText([])
        else:
            return self._pytex_info_text

    @property
    def repo_version(self) -> Optional[GitVersionInfo]:
        if self._repo_version is None:
            return None
        else:
            return self._repo_version

    @property
    def repo_info_text(self) -> GenericText:
        if self._repo_info_text is None:
            return GenericText([])
        else:
            return self._repo_info_text

    @property
    def include_drv(self) -> bool:
        if self._include_drv is None:
            return False
        else:
            return self._include_drv

    @property
    def include_ins(self) -> bool:
        if self._include_ins is None:
            return False
        else:
            return self._include_ins

    @property
    def use_docstrip_guards(self) -> list:
        if self._use_docstrip_guards is None:
            return []
        else:
            return self._use_docstrip_guards

    @property
    def description(self) -> str:
        if self._description is None:
            return ''
        else:
            return self._description


class DocFormattingConfig:
    def __init__(self):
        self._documents: Optional[List[str]] = None
        self._dependencies: Optional[List[str]] = None