# matrix-appservice-kakaotalk - A Matrix-KakaoTalk puppeting bridge.
# Copyright (C) 2022 Tulir Asokan, Andrew Ferrazzutti
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU Affero General Public License for more details.
#
# You should have received a copy of the GNU Affero General Public License
# along with this program.  If not, see <https://www.gnu.org/licenses/>.
from __future__ import annotations

from typing import Any

from mautrix.bridge import Bridge
from mautrix.types import RoomID, UserID

from .config import Config
from .db import init as init_db, upgrade_table
from .matrix import MatrixHandler
from .portal import Portal
from .puppet import Puppet
from .user import User
from .kt.client import Client as KakaoTalkClient
from .version import linkified_version, version
from .web import PublicBridgeWebsite
from . import commands as _


class KakaoTalkBridge(Bridge):
    name = "matrix-appservice-kakaotalk"
    module = "matrix_appservice_kakaotalk"
    command = "python -m matrix-appservice-kakaotalk"
    description = "A Matrix-KakaoTalk puppeting bridge."
    repo_url = "https://src.miscworks.net/fair/matrix-appservice-kakaotalk"
    version = version
    markdown_version = linkified_version
    config_class = Config
    matrix_class = MatrixHandler
    upgrade_table = upgrade_table

    config: Config
    matrix: MatrixHandler
    public_website: PublicBridgeWebsite | None

    def prepare_config(self)->None:
        super().prepare_config()

    def prepare_db(self) -> None:
        super().prepare_db()
        init_db(self.db)

    def prepare_bridge(self) -> None:
        super().prepare_bridge()
        if self.config["appservice.public.enabled"]:
            secret = self.config["appservice.public.shared_secret"]
            self.public_website = PublicBridgeWebsite(loop=self.loop, shared_secret=secret)
            self.az.app.add_subapp(
                self.config["appservice.public.prefix"], self.public_website.app
            )
        else:
            self.public_website = None

    def prepare_stop(self) -> None:
        self.log.debug("Stopping puppet syncers")
        for puppet in Puppet.by_custom_mxid.values():
            puppet.stop()
        self.log.debug("Stopping kakaotalk listeners")
        User.shutdown = True
        for user in User.by_ktid.values():
            user.stop_listen()
        self.add_shutdown_actions(user.save() for user in User.by_mxid.values())
        self.add_shutdown_actions(KakaoTalkClient.stop_cls())

    async def start(self) -> None:
        # Block all other startup actions until RPC is ready
        # TODO Remove when/if node backend is replaced with native
        await KakaoTalkClient.init_cls(self.config)

        self.add_startup_actions(User.init_cls(self))
        self.add_startup_actions(Puppet.init_cls(self))
        Portal.init_cls(self)
        if self.config["bridge.resend_bridge_info"]:
            self.add_startup_actions(self.resend_bridge_info())
        await super().start()
        if self.public_website:
            self.public_website.ready_wait.set_result(None)

    async def resend_bridge_info(self) -> None:
        self.config["bridge.resend_bridge_info"] = False
        self.config.save()
        self.log.info("Re-sending bridge info state event to all portals")
        async for portal in Portal.all():
            await portal.update_bridge_info()
        self.log.info("Finished re-sending bridge info state events")

    async def get_portal(self, room_id: RoomID) -> Portal:
        return await Portal.get_by_mxid(room_id)

    async def get_puppet(self, user_id: UserID, create: bool = False) -> Puppet:
        return await Puppet.get_by_mxid(user_id, create=create)

    async def get_double_puppet(self, user_id: UserID) -> Puppet:
        return await Puppet.get_by_custom_mxid(user_id)

    async def get_user(self, user_id: UserID, create: bool = True) -> User:
        return await User.get_by_mxid(user_id, create=create)

    def is_bridge_ghost(self, user_id: UserID) -> bool:
        return bool(Puppet.get_id_from_mxid(user_id))

    async def count_logged_in_users(self) -> int:
        return len([user for user in User.by_ktid.values() if user.ktid])

    async def manhole_global_namespace(self, user_id: UserID) -> dict[str, Any]:
        return {
            **await super().manhole_global_namespace(user_id),
            "User": User,
            "Portal": Portal,
            "Puppet": Puppet,
        }


KakaoTalkBridge().run()