"""Application configuration."""
from pathlib import Path

from pydantic import Field
from pydantic_settings import BaseSettings, SettingsConfigDict


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

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

    # Database
    DATABASE_URL: str = "postgresql+asyncpg://rss:rss@postgres:5432/rss_platform"

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

    # JWT
    SECRET_KEY: str = Field(..., min_length=32)
    ACCESS_TOKEN_EXPIRE_MINUTES: int = 15
    REFRESH_TOKEN_EXPIRE_DAYS: int = 7

    # AI
    AI_DEFAULT_PROVIDER: str = "openai"
    AI_DEFAULT_MODEL: str = "gpt-4o-mini"

    # Storage
    STORAGE_TYPE: str = "minio"
    MINIO_ENDPOINT: str = "minio:9000"
    MINIO_ACCESS_KEY: str = "minioadmin"
    MINIO_SECRET_KEY: str = "minioadmin"
    MINIO_BUCKET: str = "rss-platform"

    # CORS
    CORS_ALLOWED_ORIGINS: str = ""

    # Default admin
    DEFAULT_ADMIN_USERNAME: str = "admin"
    DEFAULT_ADMIN_PASSWORD: str = "admin"

    # Sensitive settings encryption
    SETTINGS_ENCRYPTION_KEY: str = ""

    # Logging
    LOG_LEVEL: str = "INFO"

    # RSS Fetching
    FETCH_CONCURRENCY: int = 10
    FETCH_TIMEOUT: int = 30
    DEFAULT_FETCH_INTERVAL: int = 60
    MIN_FETCH_INTERVAL: int = 15

    # Ports (for reference)
    BACKEND_PORT: int = 8000
    FRONTEND_PORT: int = 5173

    @property
    def cors_origins(self) -> list[str]:
        """Parse CORS_ALLOWED_ORIGINS into list."""
        if not self.CORS_ALLOWED_ORIGINS:
            return []
        return [origin.strip() for origin in self.CORS_ALLOWED_ORIGINS.split(",") if origin.strip()]


settings = Settings()