import os
from dotenv import load_dotenv

load_dotenv()


class Settings:
    # API Keys
    ANTHROPIC_API_KEY = os.getenv("ANTHROPIC_API_KEY", "")
    GEMINI_API_KEY = os.getenv("GEMINI_API_KEY", "")

    # AI Provider Selection (claude or gemini)
    AI_PROVIDER = os.getenv("AI_PROVIDER", "gemini")

    # Server Settings
    MCP_SERVER_HOST = os.getenv("MCP_SERVER_HOST", "0.0.0.0")
    MCP_SERVER_PORT = int(os.getenv("MCP_SERVER_PORT", "8001"))

    # Database
    DATABASE_URL = os.getenv("DATABASE_URL", "")
    REDIS_URL = os.getenv("REDIS_URL", "")

    # Logging
    LOG_LEVEL = os.getenv("LOG_LEVEL", "INFO")

    # Claude Settings
    CLAUDE_MODEL = os.getenv("CLAUDE_MODEL", "claude-3-5-sonnet-20241022")

    # Gemini Settings
    GEMINI_MODEL = os.getenv("GEMINI_MODEL", "gemini-2.0-flash")

    # Common AI Settings (AI_PROVIDER에 따라 자동 선택)
    MAX_TOKENS = int(os.getenv(
        "GEMINI_MAX_TOKENS" if AI_PROVIDER == "gemini" else "CLAUDE_MAX_TOKENS",
        "1024"
    ))
    TEMPERATURE = float(os.getenv(
        "GEMINI_TEMPERATURE" if AI_PROVIDER == "gemini" else "CLAUDE_TEMPERATURE",
        "0.3"
    ))

    # Token Optimization Settings
    TOKEN_SAVE_MODE = os.getenv("TOKEN_SAVE_MODE", "false").lower() == "true"
    NEWS_LIMIT = int(os.getenv("NEWS_LIMIT", "5"))
    CHART_DAYS = int(os.getenv("CHART_DAYS", "100"))
    JSON_COMPACT = os.getenv("JSON_COMPACT", "false").lower() == "true"

    # CORS (이슈 5)
    # 서버-서버 통신용: 브라우저 credentials 불필요.
    # Docker 환경: MCP_CORS_ORIGINS=http://backend:8000
    # 개발 환경:   MCP_CORS_ORIGINS=http://localhost:8000,http://127.0.0.1:8000
    MCP_CORS_ORIGINS = os.getenv(
        "MCP_CORS_ORIGINS",
        "http://localhost:8000,http://127.0.0.1:8000,http://backend:8000",
    )


settings = Settings()