"""Configuration management for Pararam Nexus MCP."""
from pathlib import Path
from pydantic import Field, ValidationError
from pydantic_settings import BaseSettings, SettingsConfigDict
class Config(BaseSettings):
"""Configuration for Pararam Nexus MCP server."""
model_config = SettingsConfigDict(
env_file='.env',
env_file_encoding='utf-8',
case_sensitive=False,
extra='ignore',
)
# Pararam.io credentials
pararam_login: str = Field(..., description='Pararam.io login')
pararam_password: str = Field(..., description='Pararam.io password')
pararam_2fa_key: str | None = Field(None, description='Pararam.io 2FA key (optional)')
# Cookie storage
pararam_cookie_file: Path = Field(
default=Path('.pararam_cookies.json'),
description='Path to store authentication cookies',
)
# MCP server settings
mcp_server_name: str = Field(default='pararam-nexus-mcp', description='MCP server name')
mcp_server_instructions: str = Field(
default=(
'Pararam Nexus MCP Server - Provides access to pararam.io messaging platform. '
'You can search messages, get chat history, send messages with replies and quotes, '
'manage chats, upload and download files, and search users.'
),
description='MCP server instructions',
)
def validate_credentials(self) -> None:
"""Validate that required credentials are provided."""
if not self.pararam_login:
raise ValueError('PARARAM_LOGIN environment variable is required')
if not self.pararam_password:
raise ValueError('PARARAM_PASSWORD environment variable is required')
# Global config instance
try:
config = Config()
except ValidationError:
# Config will fail if .env is missing or fields are invalid, which is expected during development
# Will be validated at runtime in server.py
config = Config(
pararam_login='',
pararam_password='',
pararam_2fa_key=None,
)
