# coding=utf-8
import typing
from datetime import datetime

from slugify import slugify
from sqlalchemy.orm import Session
from tracim import CFG
from tracim.models import User
from tracim.models.auth import Profile
from tracim.models.data import Workspace, UserRoleInWorkspace
from tracim.models.workspace_menu_entries import default_workspace_menu_entry, \
    WorkspaceMenuEntry


class LoginCredentials(object):
    """
    Login credentials model for login
    """

    def __init__(self, email: str, password: str):
        self.email = email
        self.password = password


class UserInContext(object):
    """
    Interface to get User data and User data related to context.
    """

    def __init__(self, user: User, dbsession: Session, config: CFG):
        self.user = user
        self.dbsession = dbsession
        self.config = config

    # Default

    @property
    def email(self) -> str:
        return self.user.email

    @property
    def user_id(self) -> int:
        return self.user.user_id

    @property
    def display_name(self) -> str:
        return self.user.display_name

    @property
    def created(self) -> datetime:
        return self.user.created

    @property
    def is_active(self) -> bool:
        return self.user.is_active

    @property
    def timezone(self) -> str:
        return self.user.timezone

    @property
    def profile(self) -> Profile:
        return self.user.profile

    # Context related

    @property
    def calendar_url(self) -> typing.Optional[str]:
        # TODO - G-M - 20-04-2018 - [Calendar] Replace calendar code to get
        # url calendar url.
        #
        # from tracim.lib.calendar import CalendarManager
        # calendar_manager = CalendarManager(None)
        # return calendar_manager.get_workspace_calendar_url(self.workspace_id)
        return None

    @property
    def avatar_url(self) -> typing.Optional[str]:
        # TODO - G-M - 20-04-2018 - [Avatar] Add user avatar feature
        return None


class WorkspaceInContext(object):
    """
    Interface to get Workspace data and Workspace data related to context.
    """

    def __init__(self, workspace: Workspace, dbsession: Session, config: CFG):
        self.workspace = workspace
        self.dbsession = dbsession
        self.config = config

    @property
    def workspace_id(self) -> int:
        """
        numeric id of the workspace.
        """
        return self.workspace.workspace_id

    @property
    def id(self) -> int:
        """
        alias of workspace_id
        """
        return self.workspace_id

    @property
    def label(self) -> str:
        """
        get workspace label
        """
        return self.workspace.label

    @property
    def description(self) -> str:
        """
        get workspace description
        """
        return self.workspace.description

    @property
    def slug(self) -> str:
        """
        get workspace slug
        """
        return slugify(self.workspace.label)

    @property
    def sidebar_entries(self) -> typing.List[WorkspaceMenuEntry]:
        """
        get sidebar entries, those depends on activated apps.
        """
        # TODO - G.M - 22-05-2018 - Rework on this in
        # order to not use hardcoded list
        # list should be able to change (depending on activated/disabled
        # apps)
        return default_workspace_menu_entry(self.workspace)


class UserRoleWorkspaceInContext(object):
    """
    Interface to get UserRoleInWorkspace data and related content

    """
    def __init__(
            self,
            user_role: UserRoleInWorkspace,
            dbsession: Session,
            config: CFG,
    )-> None:
        self.user_role = user_role
        self.dbsession = dbsession
        self.config = config

    @property
    def user_id(self) -> int:
        """
        User who has the role has this id
        :return: user id as integer
        """
        return self.user_role.user_id

    @property
    def workspace_id(self) -> int:
        """
        This role apply only on the workspace with this workspace_id
        :return: workspace id as integer
        """
        return self.user_role.workspace_id

    # TODO - G.M - 23-05-2018 - Check the API spec for this this !

    @property
    def role_id(self) -> int:
        """
        role as int id, each value refer to a different role.
        """
        return self.user_role.role

    @property
    def role_slug(self) -> str:
        """
        simple name of the role of the user.
        can be anything from UserRoleInWorkspace SLUG, like
        'not_applicable', 'reader',
        'contributor', 'content_manager', 'workspace_manager'
        :return: user workspace role as slug.
        """
        return UserRoleInWorkspace.SLUG[self.user_role.role]

    @property
    def user(self) -> UserInContext:
        """
        User who has this role, with context data
        :return: UserInContext object
        """
        return UserInContext(
            self.user_role.user,
            self.dbsession,
            self.config
        )

    @property
    def workspace(self) -> WorkspaceInContext:
        """
        Workspace related to this role, with his context data
        :return: WorkspaceInContext object
        """
        return WorkspaceInContext(
            self.user_role.workspace,
            self.dbsession,
            self.config
        )