"""Application settings loaded from environment variables / .env file."""

import os

from dotenv import load_dotenv

load_dotenv()


class Settings:
    """Central settings object; all values read from environment variables."""

    DATABASE_URL: str = os.getenv("DATABASE_URL", "sqlite+aiosqlite:///./test.db")
    REDIS_URL: str = os.getenv("REDIS_URL", "redis://localhost:6379/0")
    CELERY_BROKER_URL: str = os.getenv("CELERY_BROKER_URL", "redis://localhost:6379/0")
    CELERY_RESULT_BACKEND: str = os.getenv(
        "CELERY_RESULT_BACKEND", "redis://localhost:6379/0"
    )

    SPOTIFY_CLIENT_ID: str = os.getenv("SPOTIFY_CLIENT_ID", "")
    SPOTIFY_CLIENT_SECRET: str = os.getenv("SPOTIFY_CLIENT_SECRET", "")
    SPOTIFY_REDIRECT_URI: str = os.getenv(
        "SPOTIFY_REDIRECT_URI", "http://localhost:8000/callback"
    )

    YOUTUBE_CLIENT_ID: str = os.getenv("YOUTUBE_CLIENT_ID", "")
    YOUTUBE_CLIENT_SECRET: str = os.getenv("YOUTUBE_CLIENT_SECRET", "")

    SYNC_ACCOUNT_FILTER_FILE: str = os.getenv(
        "SYNC_ACCOUNT_FILTER_FILE", "PlaylistSynchronizationByAccountId.txt"
    )
    SYNC_SWEEP_INTERVAL_SECONDS: int = int(
        os.getenv("SYNC_SWEEP_INTERVAL_SECONDS", "0")
    )

    # API authentication — value for the FiltrAuthentication request header.
    # Must be set in production; leave empty only in local dev / tests.
    FILTR_API_KEY: str = os.getenv("FILTR_API_KEY", "")

    # Sentry error monitoring — leave DSN empty to disable (e.g. in tests / local dev)
    SENTRY_DSN: str = os.getenv("SENTRY_DSN", "")
    SENTRY_ENVIRONMENT: str = os.getenv("SENTRY_ENVIRONMENT", "development")


settings = Settings()