"""
Application configuration using Pydantic Settings.
Environment variables are loaded from .env file.
"""

from pydantic_settings import BaseSettings, SettingsConfigDict


class Settings(BaseSettings):
    """Application settings loaded from environment variables."""

    # Database
    DATABASE_URL: str

    # ClickHouse
    CLICKHOUSE_HOST: str = "localhost"
    CLICKHOUSE_PORT: int = 8123
    CLICKHOUSE_USER: str = "default"
    CLICKHOUSE_PASSWORD: str = ""
    CLICKHOUSE_DATABASE: str = "mybeacon"

    # Redis
    REDIS_URL: str = "redis://localhost:6379/0"

    # Security
    SECRET_KEY: str
    ENCRYPTION_KEY: str  # Fernet key for encrypting WiFi passwords
    ACCESS_TOKEN_EXPIRE_MINUTES: int = 15
    REFRESH_TOKEN_EXPIRE_DAYS: int = 30
    ALGORITHM: str = "HS256"

    # CORS
    CORS_ORIGINS: str = "http://localhost:5173"

    # File Storage
    UPLOAD_DIR: str = "/var/lib/mybeacon/uploads"

    # Email
    SMTP_HOST: str = "localhost"
    SMTP_PORT: int = 587
    SMTP_USER: str = ""
    SMTP_PASSWORD: str = ""
    SMTP_FROM: str = "noreply@mybeacon.com"

    # Application
    DEBUG: bool = False
    LOG_LEVEL: str = "INFO"
    API_V1_PREFIX: str = "/api/v1"
    PROJECT_NAME: str = "MyBeacon API"

    model_config = SettingsConfigDict(
        env_file=".env",
        env_file_encoding="utf-8",
        case_sensitive=False
    )

    @property
    def cors_origins_list(self) -> list[str]:
        """Parse CORS_ORIGINS string into list."""
        return [origin.strip() for origin in self.CORS_ORIGINS.split(",")]


# Global settings instance
settings = Settings()