import sys
from argparse import ArgumentParser
from typing import cast
from pathlib import Path

import server
import config
import utils
import database
import logger
from logger import LOGGER, LoggerLevel


def GetUsernamePassword() -> tuple[str, str]:
    print("What is the first username of this calendar system?")
    cache = input()
    while not utils.IsValidUsername(cache):
        print("Sorry, invalid data. Please try again.")
        cache = input()
    username = cache

    print("Input this user password:")
    cache = input()
    while not utils.IsValidPassword(cache):
        print("Sorry, invalid data. Please try again.")
        cache = input()
    password = cache

    return (username, password)

if __name__ == "__main__":
    # Set as INFO level in default first,
    # and we will change it once we load the configuration file.
    logger.set_level(LoggerLevel.INFO)

    # Receive arguments
    parser = ArgumentParser(
        description="The server of light, self-host and multi-account calendar system."
    )
    parser.add_argument(
        "-c",
        "--config",
        required=True,
        type=Path,
        action="store",
        metavar="CONFIG_TOML",
        dest="config",
        help="The configuration file for coconut-leaf",
    )
    parser.add_argument(
        "-i",
        "--init",
        action="store_true",
        dest="init",
        help="Set for initialize the calendar system",
    )
    args = parser.parse_args()

    # Show splash
    LOGGER.info("Coconut-leaf")
    LOGGER.info("A light, self-host and multi-account calendar system")
    LOGGER.info("Project: https://github.com/yyc12345/coconut-leaf")
    LOGGER.info("===================")

    # Load config file
    try:
        config.setup_config(cast(Path, args.config))
    except Exception as e:
        LOGGER.critical(f"Error loading config file: {e}")
        sys.exit(1)

    # Change logging level again according to whether enable debug mode
    logging_level = LoggerLevel.DEBUG if config.get_config().others.debug else LoggerLevel.INFO
    logger.set_level(logging_level)

    # Initialize the calendar system if needed
    if cast(bool, args.init):
        gotten_data = GetUsernamePassword()
        calendar = database.CalendarDatabase()
        calendar.init(*gotten_data)
        calendar.close()

    LOGGER.info("Staring server...")
    server.run()