import os
from dotenv import load_dotenv

load_dotenv()


# Required
MATRIX_HOMESERVER = os.getenv("MATRIX_HOMESERVER", "https://matrix.lotusguild.org")
MATRIX_USER_ID = os.getenv("MATRIX_USER_ID", "@lotusbot:matrix.lotusguild.org")
MATRIX_ACCESS_TOKEN = os.getenv("MATRIX_ACCESS_TOKEN", "")
MATRIX_DEVICE_ID = os.getenv("MATRIX_DEVICE_ID", "")
MATRIX_PASSWORD = os.getenv("MATRIX_PASSWORD", "")

# Bot settings
BOT_PREFIX = os.getenv("BOT_PREFIX", "!")
ADMIN_USERS = [u.strip() for u in os.getenv("ADMIN_USERS", "").split(",") if u.strip()]
LOG_LEVEL = os.getenv("LOG_LEVEL", "INFO")

# Rooms where commands and interactive games are allowed. The bot stays silent
# everywhere else, so it never responds in public rooms like #general.
# Override with a comma-separated COMMAND_ROOMS; set to "*" to allow all rooms.
DEFAULT_COMMAND_ROOMS = (
    "!ou56mVZQ8ZB7AhDYPmBV5_BR28WMZ4x5zwZkPCqjq1s",  # #commands
    "!mEvR5fe3jMmzwd-FwNygD72OY_yu8H3UP_N-57oK7MI",  # #management
)
_command_rooms = os.getenv("COMMAND_ROOMS", ",".join(DEFAULT_COMMAND_ROOMS))
COMMAND_ROOMS = [r.strip() for r in _command_rooms.split(",") if r.strip()]

# Users whose invites the bot will accept. Invites from anyone else are
# declined: the homeserver is publicly listed, so auto-joining any invite lets
# a stranger pull the bot into an arbitrary room. Defaults to ADMIN_USERS.
_invite_allowed = os.getenv("INVITE_ALLOWED_USERS", "")
INVITE_ALLOWED_USERS = [u.strip() for u in _invite_allowed.split(",") if u.strip()] or list(ADMIN_USERS)

# Integrations
OLLAMA_URL = os.getenv("OLLAMA_URL", "http://10.10.10.157:11434")
OLLAMA_MODEL = os.getenv("OLLAMA_MODEL", "phi4-mini:latest")
CREATIVE_MODEL = os.getenv("CREATIVE_MODEL", "huihui_ai/llama3.2-abliterate:3b")
ASK_MODEL = os.getenv("ASK_MODEL", "phi4-mini:latest")
MINECRAFT_RCON_HOST = os.getenv("MINECRAFT_RCON_HOST", "10.10.10.68")
MINECRAFT_RCON_PORT = int(os.getenv("MINECRAFT_RCON_PORT", "25575"))
MINECRAFT_RCON_PASSWORD = os.getenv("MINECRAFT_RCON_PASSWORD", "")

# Constants
MAX_INPUT_LENGTH = 500
MAX_DICE_SIDES = 100
MAX_DICE_COUNT = 20
COOLDOWN_SECONDS = int(os.getenv("COOLDOWN_SECONDS", "120"))
RCON_TIMEOUT = 5.0
MIN_USERNAME_LENGTH = 3
MAX_USERNAME_LENGTH = 16


class ConfigValidator:
    REQUIRED = ["MATRIX_HOMESERVER", "MATRIX_USER_ID"]

    @classmethod
    def validate(cls):
        errors = []
        for var in cls.REQUIRED:
            if not os.getenv(var):
                errors.append(f"Missing required: {var}")
        return errors