from pydantic_settings import BaseSettings
from pydantic import Field
from config.env_loader import load_env

# 先加载 ENV & .env
load_env()

class Settings(BaseSettings):
    # 环境
    ENV: str = Field("dev")
    DEBUG: bool = Field(True)
    TIMEZONE: str = Field("UTC")
    APP_NAME: str = Field("MemeApp")

    # 日志
    LOG_LEVEL: str = Field("LOG_LEVEL")
    LOG_FILE_PATH: str = Field("logs")
    LOG_TYPE: str = Field("console")

    # 数据库
    DB_HOST: str
    DB_PORT: int
    DB_USER: str
    DB_PASS: str
    DB_NAME: str

    # TTS 配置
    TTS_ENGINE: str = Field("edge-tts", description="使用的 TTS 引擎 (edge-tts)")
    TTS_LANGUAGE: str = Field("zh-CN", description="TTS 默认语言")
    TTS_VOICE: str = Field("", description="TTS 默认声音，为空则使用引擎默认声音")
    TTS_RATE: float = Field(1.0, description="TTS 语速，1.0 为正常速度")
    TTS_PITCH: float = Field(1.0, description="TTS 音调，1.0 为正常音调")

    # 阿里云百炼服务API密钥
    DASHSCOPE_API_KEY: str

    # 输出路径
    OUTPUT_PATH: str = Field("./outputs", description="输出文件保存路径")

    class Config:
        env_file = ".env"
        env_file_encoding = "utf-8"


# 全局唯一配置实例
settings = Settings()