import json
from pathlib import Path
from typing import Tuple
import logging
import discord
import random

logger = logging.getLogger(__name__)


def load_config(conf_file) -> Tuple[dict, Path]:
    """Load data from a config file.\n
    Returns a tuple containing the data as a dict, and the file as a Path"""
    config_file = Path(conf_file)
    config_file.touch(exist_ok=True)
    if config_file.read_text() == "":
        config_file.write_text("{}")
        logger.debug("config file created.")
    with config_file.open("r") as f:
        config = json.load(f)
        logger.debug("config file loaded.")
    return config, config_file


def prompt_config(conf_file, msg, key):
    """Ensure a value exists in the config file, if it doesn't prompt the bot owner to input via the console."""
    logger.debug(f"checking if {key} is in config.")
    config, config_file = load_config(conf_file)
    if key not in config:
        logger.debug(f"{key} not found in config file.")
        config[key] = input(msg)
        with config_file.open("w+") as f:
            json.dump(config, f, indent=4)
            logger.debug(f"'{config[key]}' saved to config file under '{key}'.")


def update_config(conf_file, key, value):
    logger.debug(f"updating config file '{conf_file}' key '{key}' to '{value}'")
    config, config_file = load_config(conf_file)
    config[key] = value
    with config_file.open("w+") as f:
        json.dump(config, f, indent=4)
        logger.debug(f"config file '{conf_file}' key '{key}' has been updated to '{value}'")


def random_rgb(seed=None):
    if seed is not None:
        random.seed(seed)
    return discord.Colour.from_rgb(random.randrange(0, 255), random.randrange(0, 255), random.randrange(0, 255))