from __future__ import annotations

import logging
import logging.config
from configparser import ConfigParser
from typing import Any, Dict, Mapping, Optional, Union


class Config(ConfigParser):
    DEFAULTS: Mapping[str, Mapping[str, Union[str, int]]] = {
        "sampy": {
            "host": "0.0.0.0",
            "port": 7777,
            "hostname": "sam.py",
            "password": "",
            "rcon_password": "changeme",
            "max_players": 50,
            "mode": "",
            "language": "English",
        },
        "sampy.rules": {
            "weburl": "https://git.osufx.com/Sunpy/sampy",
        },
        "logging.loggers": {
            "keys": "root",
        },
        "logging.handlers": {
            "keys": "console",
        },
        "logging.formatters": {
            "keys": "simple",
        },
        "logging.logger_root": {
            "level": "INFO",
            "handlers": "console",
        },
        "logging.handler_console": {
            "class": "StreamHandler",
            "formatter": "simple",
            "args": "(sys.stdout,)",
        },
        "logging.formatter_simple": {
            "format": "%(levelname)s - %(message)s",
            "datefmt": "%Y-%m-%d %H:%M:%S",
        },
    }

    def __init__(
        self,
        *filenames,
        dictionary: Mapping[str, Mapping[str, Union[str, int]]] = {},
        logging_level: Optional[int] = None,
    ):
        super().__init__(interpolation=None)
        if logging_level is not None:
            logging.root.setLevel(logging_level)

        self.read_dict(self.DEFAULTS)
        self.read_dict(dictionary)

        found = self.read(filenames, encoding="utf-8-sig")
        missing = set(filenames) - set(found)

        if len(missing):
            logging.warn("Config files not found: %s" % missing)

        logging_config = self.get_logging_config()
        if logging_config:
            logging.config.fileConfig(logging_config)

            if logging_level is not None:
                logging.root.setLevel(logging_level)

            logging.debug("Logging module has been configured")
        else:
            logging.warn("Logging module was not configured")

    def get_logging_config(self) -> ConfigParser:
        config = ConfigParser(interpolation=None)
        for section in self.sections():
            if not section.startswith("logging."):
                continue
            config[section.replace("logging.", "")] = self[section]
        return config

    @property
    def host(self) -> str:
        return self.get("sampy", "host")

    @property
    def port(self) -> int:
        return self.getint("sampy", "port")

    @property
    def hostname(self) -> str:
        return self.get("sampy", "hostname")

    @property
    def password(self) -> str:
        return self.get("sampy", "password")

    @property
    def rcon_password(self) -> str:
        return self.get("sampy", "rcon_password")

    @property
    def max_players(self) -> int:
        return self.getint("sampy", "max_players")

    @property
    def mode(self) -> str:
        return self.get("sampy", "mode")

    @property
    def language(self) -> str:
        return self.get("sampy", "language")

    @property
    def rules(self) -> Dict[str, str]:
        return self["sampy.rules"]


class LogRecordProxy:
    def __init__(self, record: logging.LogRecord):
        self._record = record

    def __getattribute__(self, name: str) -> Any:
        attr = {
            k: v
            for k, v in object.__getattribute__(self, "__dict__").items()
            if k != "_record"
        }
        if name in attr:
            return attr[name]
        elif name == "__dict__":  # Combine dicts
            return {**object.__getattribute__(self, "_record").__dict__, **attr}
        return object.__getattribute__(self, "_record").__getattribute__(name)


class ColorFormatter(logging.Formatter):
    COLORS: Dict[str, str] = {
        "0": "30",  # Black
        "1": "34",  # Blue
        "2": "32",  # Green
        "3": "36",  # Cyan
        "4": "31",  # Red,
        "5": "35",  # Purple/Magenta
        "6": "33",  # Yellow/Gold
        "7": "37",  # White/Light Gray
        "8": "30;1",  # Dark Gray
        "9": "34;1",  # Light Blue
        "a": "32;1",  # Light Green
        "b": "36;1",  # Light Cyan
        "c": "31;1",  # Light Red
        "d": "35;1",  # Light Purple/Magenta
        "e": "33;1",  # Yellow
        "f": "37;1",  # White
        "r": "0",  # Reset
        "l": "1",  # Bold
        "n": "4",  # Underline
    }

    LEVEL_COLOR = {
        logging.CRITICAL: "31",
        logging.ERROR: "31",
        logging.WARNING: "33",
        logging.INFO: "32",
        logging.DEBUG: "35",
        logging.NOTSET: "37",
    }

    def format(self, record: logging.LogRecord) -> str:
        record = LogRecordProxy(record)
        level_color = ColorFormatter.LEVEL_COLOR.get(record.levelno, None)
        if level_color is not None:
            record.levelname = "\x1b[%sm%s\x1b[0m" % (level_color, record.levelname)

        message = super().format(record)
        for k, v in ColorFormatter.COLORS.items():
            message = message.replace("§%s" % k, "\x1b[%sm" % v)

        return message