"""Base API."""
from __future__ import annotations

import os
from abc import ABC, abstractmethod
from pathlib import Path
from typing import TYPE_CHECKING

if TYPE_CHECKING:
    import sys

    if sys.version_info >= (3, 8):  # pragma: no cover (py38+)
        from typing import Literal
    else:  # pragma: no cover (py38+)
        from pip._vendor.typing_extensions import Literal


class PlatformDirsABC(ABC):
    """Abstract base class for platform directories."""

    def __init__(  # noqa: PLR0913
        self,
        appname: str | None = None,
        appauthor: str | None | Literal[False] = None,
        version: str | None = None,
        roaming: bool = False,  # noqa: FBT001, FBT002
        multipath: bool = False,  # noqa: FBT001, FBT002
        opinion: bool = True,  # noqa: FBT001, FBT002
        ensure_exists: bool = False,  # noqa: FBT001, FBT002
    ) -> None:
        """
        Create a new platform directory.

        :param appname: See `appname`.
        :param appauthor: See `appauthor`.
        :param version: See `version`.
        :param roaming: See `roaming`.
        :param multipath: See `multipath`.
        :param opinion: See `opinion`.
        :param ensure_exists: See `ensure_exists`.
        """
        self.appname = appname  #: The name of application.
        self.appauthor = appauthor
        """
        The name of the app author or distributing body for this application. Typically, it is the owning company name.
        Defaults to `appname`. You may pass ``False`` to disable it.
        """
        self.version = version
        """
        An optional version path element to append to the path. You might want to use this if you want multiple versions
        of your app to be able to run independently. If used, this would typically be ``<major>.<minor>``.
        """
        self.roaming = roaming
        """
        Whether to use the roaming appdata directory on Windows. That means that for users on a Windows network setup
        for roaming profiles, this user data will be synced on login (see
        `here <http://technet.microsoft.com/en-us/library/cc766489(WS.10).aspx>`_).
        """
        self.multipath = multipath
        """
        An optional parameter only applicable to Unix/Linux which indicates that the entire list of data dirs should be
        returned. By default, the first item would only be returned.
        """
        self.opinion = opinion  #: A flag to indicating to use opinionated values.
        self.ensure_exists = ensure_exists
        """
        Optionally create the directory (and any missing parents) upon access if it does not exist.
        By default, no directories are created.
        """

    def _append_app_name_and_version(self, *base: str) -> str:
        params = list(base[1:])
        if self.appname:
            params.append(self.appname)
            if self.version:
                params.append(self.version)
        path = os.path.join(base[0], *params)  # noqa: PTH118
        self._optionally_create_directory(path)
        return path

    def _optionally_create_directory(self, path: str) -> None:
        if self.ensure_exists:
            Path(path).mkdir(parents=True, exist_ok=True)

    @property
    @abstractmethod
    def user_data_dir(self) -> str:
        """:return: data directory tied to the user"""

    @property
    @abstractmethod
    def site_data_dir(self) -> str:
        """:return: data directory shared by users"""

    @property
    @abstractmethod
    def user_config_dir(self) -> str:
        """:return: config directory tied to the user"""

    @property
    @abstractmethod
    def site_config_dir(self) -> str:
        """:return: config directory shared by the users"""

    @property
    @abstractmethod
    def user_cache_dir(self) -> str:
        """:return: cache directory tied to the user"""

    @property
    @abstractmethod
    def site_cache_dir(self) -> str:
        """:return: cache directory shared by users"""

    @property
    @abstractmethod
    def user_state_dir(self) -> str:
        """:return: state directory tied to the user"""

    @property
    @abstractmethod
    def user_log_dir(self) -> str:
        """:return: log directory tied to the user"""

    @property
    @abstractmethod
    def user_documents_dir(self) -> str:
        """:return: documents directory tied to the user"""

    @property
    @abstractmethod
    def user_downloads_dir(self) -> str:
        """:return: downloads directory tied to the user"""

    @property
    @abstractmethod
    def user_pictures_dir(self) -> str:
        """:return: pictures directory tied to the user"""

    @property
    @abstractmethod
    def user_videos_dir(self) -> str:
        """:return: videos directory tied to the user"""

    @property
    @abstractmethod
    def user_music_dir(self) -> str:
        """:return: music directory tied to the user"""

    @property
    @abstractmethod
    def user_runtime_dir(self) -> str:
        """:return: runtime directory tied to the user"""

    @property
    def user_data_path(self) -> Path:
        """:return: data path tied to the user"""
        return Path(self.user_data_dir)

    @property
    def site_data_path(self) -> Path:
        """:return: data path shared by users"""
        return Path(self.site_data_dir)

    @property
    def user_config_path(self) -> Path:
        """:return: config path tied to the user"""
        return Path(self.user_config_dir)

    @property
    def site_config_path(self) -> Path:
        """:return: config path shared by the users"""
        return Path(self.site_config_dir)

    @property
    def user_cache_path(self) -> Path:
        """:return: cache path tied to the user"""
        return Path(self.user_cache_dir)

    @property
    def site_cache_path(self) -> Path:
        """:return: cache path shared by users"""
        return Path(self.site_cache_dir)

    @property
    def user_state_path(self) -> Path:
        """:return: state path tied to the user"""
        return Path(self.user_state_dir)

    @property
    def user_log_path(self) -> Path:
        """:return: log path tied to the user"""
        return Path(self.user_log_dir)

    @property
    def user_documents_path(self) -> Path:
        """:return: documents path tied to the user"""
        return Path(self.user_documents_dir)

    @property
    def user_downloads_path(self) -> Path:
        """:return: downloads path tied to the user"""
        return Path(self.user_downloads_dir)

    @property
    def user_pictures_path(self) -> Path:
        """:return: pictures path tied to the user"""
        return Path(self.user_pictures_dir)

    @property
    def user_videos_path(self) -> Path:
        """:return: videos path tied to the user"""
        return Path(self.user_videos_dir)

    @property
    def user_music_path(self) -> Path:
        """:return: music path tied to the user"""
        return Path(self.user_music_dir)

    @property
    def user_runtime_path(self) -> Path:
        """:return: runtime path tied to the user"""
        return Path(self.user_runtime_dir)
