from pydantic_settings import BaseSettings
from typing import List

class Settings(BaseSettings):
    PROJECT_NAME: str = "WTFX Backend API"
    VERSION: str = "2.0.0"
    DEBUG: bool = False
    
    # 环境：development, staging, production
    ENVIRONMENT: str = "development"
    
    # 数据库配置 (PostgreSQL)
    DATABASE_URL: str = "postgresql+asyncpg://postgres:postgres@localhost:5432/wtfx"
    
    # Redis 配置
    REDIS_URL: str = "redis://localhost:6379/0"
    
    # JWT 鉴权
    JWT_SECRET: str = "wtfx_secret_jwt_key_change_in_production"
    JWT_ALGORITHM: str = "HS256"
    ACCESS_TOKEN_EXPIRE_MINUTES: int = 60 * 24 * 7 # 7 days
    
    # 跨域设置
    CORS_ORIGINS: List[str] = [
        "http://localhost:3000",
        "http://localhost:3001",
        "https://wtfx.app",
        "https://test.wtfx.app",
        "https://admin.wtfx.app",
        "https://admin.test.wtfx.app"
    ]
    
    # 链上 RPC 配置 (Robinhood Chain)
    ROBINHOOD_TESTNET_RPC: str = "https://rpc.testnet.chain.robinhood.com"
    ROBINHOOD_MAINNET_RPC: str = "https://rpc.chain.robinhood.com"
    
    # 控制器合约地址 (由部署脚本生成)
    CONTROLLER_ADDRESS: str = "0xc0E24E152771C588B21AEB654b30B1cBAf381c1a"
    COLLATERAL_ADDRESS: str = "0xe776e957953EA69b7Eaa9d7d4098aBC076bDD5E7"
    CURVE_ADDRESS: str = "0xF0E189974c413506098AFB6Bc6Bf4C6715fBf7B1"

    class Config:
        env_file = ".env"
        case_sensitive = True
        extra = "ignore"

settings = Settings()