import os

from pydantic_settings import BaseSettings, SettingsConfigDict


class Settings(BaseSettings):
    # LLM
    DEFAULT_MODEL: str = "gpt-5.4"
    BACKGROUND_MODEL: str = "vercel:google/gemma-4-31b-it"
    OPENAI_API_KEY: str = ""
    OPENAI_BASE_URL: str = "https://api.openai.com/v1"
    OPENROUTER_API_KEY: str = ""
    OPENROUTER_BASE_URL: str = "https://openrouter.ai/api/v1"
    VERCEL_API_KEY: str = ""
    VERCEL_BASE_URL: str = "https://ai-gateway.vercel.sh/v1"
    HUGGINGFACE_API_KEY: str = ""
    HUGGINGFACE_BASE_URL: str = "https://router.huggingface.co/hf-inference/v1"
    GITHUB_TOKEN: str = ""

    # Telegram
    TG_BOT_TOKEN: str = ""
    OWNER_TELEGRAM_CHAT_ID: str = ""  # Telegram user ID of the bot owner for approval requests
    ELEVENLABS_API_KEY: str = ""
    ELEVENLABS_VOICE_ID: str = ""
    ELEVENLABS_MODEL: str = "eleven_multilingual_v2"

    # Auth
    AUTH_TOKEN: str = ""

    # Integrations
    VIKUNJA_API_URL: str = ""
    VIKUNJA_API_KEY: str = ""
    VIKUNJA_MEMORY_PATH: str = ""
    KARAKEEP_API_URL: str = ""
    KARAKEEP_API_KEY: str = ""

    # User identity & provisioning
    CREDENTIAL_VAULT_KEY: str = ""
    VIKUNJA_ADMIN_API_KEY: str = ""
    KARAKEEP_ADMIN_API_KEY: str = ""
    ALLOW_CREDENTIAL_REVEAL_IN_CHAT: bool = False
    EVENT_POLL_INTERVAL_SECONDS: int = 300

    # Advisor
    ADVISOR_ENABLED: bool = False
    ADVISOR_DEFAULT_MODEL: str = "claude-opus-4.6"
    ADVISOR_MAX_USES: int = 3
    ADVISOR_MAX_TOKENS: int = 700

    # Paths
    REPOS_DIR: str = "/repo"
    DATA_DIR: str = "/data"
    TG_PERSISTENCE_DIR: str = ""

    # Telegram webhook — leave empty to use polling mode
    WEBHOOK_BASE_URL: str = ""

    # BetterBot — site directories
    SITE_DIR: str = "/site"
    MEMORAIZ_DIR: str = "/memoraiz"

    model_config = SettingsConfigDict(env_file=".env", env_file_encoding="utf-8", extra="ignore")


settings = Settings()
if not settings.VERCEL_API_KEY:
    settings.VERCEL_API_KEY = os.getenv("AI_GATEWAY_API_KEY", "")
if not settings.HUGGINGFACE_API_KEY:
    settings.HUGGINGFACE_API_KEY = os.getenv("HF_ACCESS_TOKEN", "")