# maubot - A plugin-based Matrix bot system.
# Copyright (C) 2022 Tulir Asokan
#
# 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/>.
import json
import os

from colorama import Fore
from yarl import URL
import aiohttp

from ..cliq import cliq
from ..config import config, save_config


@cliq.command(help="Log in to a Maubot instance")
@cliq.option(
    "-u",
    "--username",
    help="The username of your account",
    default=os.environ.get("USER", None),
    required=True,
)
@cliq.option(
    "-p", "--password", help="The password to your account", inq_type="password", required=True
)
@cliq.option(
    "-s",
    "--server",
    help="The server to log in to",
    default="http://localhost:29316",
    required=True,
)
@cliq.option(
    "-a",
    "--alias",
    help="Alias to reference the server without typing the full URL",
    default="",
    required=False,
)
@cliq.with_http
async def login(
    server: str, username: str, password: str, alias: str, sess: aiohttp.ClientSession
) -> None:
    data = {
        "username": username,
        "password": password,
    }
    url = URL(server) / "_matrix/maubot/v1/auth/login"
    async with sess.post(url, json=data) as resp:
        if resp.status == 200:
            data = await resp.json()
            config["servers"][server] = data["token"]
            if not config["default_server"]:
                print(Fore.CYAN, "Setting", server, "as the default server")
                config["default_server"] = server
            if alias:
                config["aliases"][alias] = server
            save_config()
            print(Fore.GREEN + "Logged in successfully")
        else:
            try:
                err = (await resp.json())["error"]
            except (json.JSONDecodeError, KeyError):
                err = await resp.text()
            print(Fore.RED + err + Fore.RESET)