# app/config/settings.py
"""
HealthSync AI 애플리케이션 설정 관리 (올바른 Pinecone 설정)
"""
from pydantic_settings import BaseSettings
from typing import List, Optional
import os
from dotenv import load_dotenv

# .env 파일 로드
load_dotenv()

class Settings(BaseSettings):
    """HealthSync AI 애플리케이션 설정 클래스"""

    # 기본 앱 설정
    app_name: str = "HealthSync AI"
    app_version: str = "1.0.0"
    debug: bool = True
    app_description: str = "AI 기반 개인 맞춤형 건강관리 서비스"

    # 서버 설정
    host: str = "localhost"
    port: int = 8000

    # 보안 설정
    secret_key: str = "healthsync-ai-secret-key-change-in-production"
    algorithm: str = "HS256"
    access_token_expire_minutes: int = 30

    # API 설정
    api_v1_prefix: str = "/api"
    cors_origins: List[str] = ["*"]

    # PostgreSQL 설정
    db_host: str = "localhost"
    db_port: int = 5432
    db_name: str = "healthsync_ai"
    db_username: str = "postgres"
    db_password: str = "password"
    db_min_size: int = 1
    db_max_size: int = 10

    # Claude AI 설정
    claude_api_key: str = ""
    claude_model: str = "claude-3-5-sonnet-20241022"
    claude_max_tokens: int = 1500
    claude_temperature: float = 0.7
    claude_timeout: int = 30
    claude_api_base_url: str = "https://api.anthropic.com"

    # Pinecone 벡터DB 설정 (올바른 기본값)
    pinecone_api_key: str = ""
    pinecone_environment: str = "aped-4627-b74a"  # 실제 환경
    pinecone_index_name: str = "healthsync-users"

    # Azure Cache for Redis 설정
    redis_host: str = "localhost"
    redis_port: int = 6380  # Azure Cache for Redis 기본 SSL 포트
    redis_password: str = ""  # Azure Cache Primary Access Key
    redis_db: int = 0
    redis_cache_ttl: int = 1800  # 30분
    redis_ssl: bool = True  # Azure Cache는 SSL 필수

    # 로깅 설정
    log_level: str = "INFO"

    @property
    def database_url(self) -> str:
        """데이터베이스 URL 생성"""
        return f"postgresql://{self.db_username}:{self.db_password}@{self.db_host}:{self.db_port}/{self.db_name}"

    @property
    def redis_url(self) -> str:
        """Redis URL 생성 (Azure Cache for Redis 지원)"""
        if self.redis_password:
            # Azure Cache for Redis (SSL + 인증)
            protocol = "rediss" if self.redis_ssl else "redis"
            return f"{protocol}://:{self.redis_password}@{self.redis_host}:{self.redis_port}/{self.redis_db}"
        else:
            # 로컬 Redis (비SSL)
            return f"redis://{self.redis_host}:{self.redis_port}/{self.redis_db}"

    @property
    def is_azure_redis(self) -> bool:
        """Azure Cache for Redis 사용 여부 확인"""
        return bool(self.redis_password and "cache.windows.net" in self.redis_host)

    class Config:
        env_file = ".env"
        case_sensitive = False

# 전역 설정 인스턴스
settings = Settings()