# 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 TYPE_CHECKING, ClassVar

from asyncpg import Record
from attr import dataclass

from mautrix.types import UserID
from mautrix.util.async_db import Database

fake_db = Database.create("") if TYPE_CHECKING else None


@dataclass
class LoginCredential:
    db: ClassVar[Database] = fake_db

    mxid: UserID
    email: str
    password: str

    @classmethod
    async def get_by_mxid(cls, mxid: UserID) -> LoginCredential | None:
        q = "SELECT mxid, email, password FROM login_credential WHERE mxid=$1"
        row = await cls.db.fetchrow(q, mxid)
        return cls(**row) if row else None

    @classmethod
    async def delete_by_mxid(cls, mxid: UserID) -> None:
        await cls.db.execute("DELETE FROM login_credential WHERE mxid=$1", mxid)

    async def insert(self) -> None:
        q = """
            INSERT INTO login_credential (mxid, email, password)
            VALUES ($1, $2, $3)
        """
        await self.db.execute(q, self.mxid, self.email, self.password)

    def get_form(self) -> dict[str, str]:
        return {
            "email": self.email,
            "password": self.password,
        }

    async def delete(self) -> None:
        await self.delete_by_mxid(self.mxid)

    async def save(self) -> None:
        q = """
            UPDATE login_credential SET email=$2, password=$3 
            WHERE mxid=$1
        """
        await self.db.execute(q, self.mxid, self.email, self.password)