"""
DAARION Memory Service Configuration
"""
from pydantic_settings import BaseSettings
from functools import lru_cache


class Settings(BaseSettings):
    """Application settings"""
    
    # Service
    service_name: str = "memory-service"
    debug: bool = False
    
    # PostgreSQL
    postgres_host: str = "daarion-pooler.daarion"
    postgres_port: int = 5432
    postgres_user: str = "daarion"
    postgres_password: str = "DaarionDB2026!"
    postgres_db: str = "daarion_main"
    
    @property
    def postgres_url(self) -> str:
        return f"postgresql+asyncpg://{self.postgres_user}:{self.postgres_password}@{self.postgres_host}:{self.postgres_port}/{self.postgres_db}"
    
    # Qdrant
    qdrant_host: str = "qdrant.qdrant"
    qdrant_port: int = 6333
    qdrant_collection_memories: str = "memories"
    qdrant_collection_messages: str = "messages"
    
    # Cohere (embeddings)
    cohere_api_key: str = ""  # Must be set via MEMORY_COHERE_API_KEY env var or Vault
    cohere_model: str = "embed-multilingual-v3.0"  # 1024 dimensions
    embedding_dimensions: int = 1024
    
    # DeepSeek LLM (for summary generation)
    deepseek_api_key: str = ""  # Must be set via MEMORY_DEEPSEEK_API_KEY env var
    deepseek_api_url: str = "https://api.deepseek.com/v1/chat/completions"
    deepseek_model: str = "deepseek-chat"
    summary_max_tokens: int = 800
    
    # Memory settings
    short_term_window_messages: int = 20
    short_term_window_minutes: int = 60
    summary_trigger_tokens: int = 4000
    summary_target_tokens: int = 500
    retrieval_top_k: int = 10
    
    # Confidence thresholds
    memory_min_confidence: float = 0.5
    memory_confirm_boost: float = 0.1
    memory_reject_penalty: float = 0.3
    
    # JWT Auth
    jwt_secret: str = ""  # Must be set via MEMORY_JWT_SECRET env var or Vault
    jwt_algorithm: str = "HS256"
    jwt_expiration: int = 3600  # 1 година
    
    class Config:
        env_prefix = "MEMORY_"
        env_file = ".env"


@lru_cache()
def get_settings() -> Settings:
    return Settings()