"""配置管理模块，从.env文件加载环境变量"""

import os
from dotenv import load_dotenv

# 加载.env文件中的环境变量
load_dotenv()

class ModelConfig:
    """模型配置类"""
    
    @staticmethod
    def get_model_provider() -> str:
        """获取模型提供商"""
        return os.getenv("MODEL_PROVIDER", "openai")
    
    @staticmethod
    def get_model_name() -> str:
        """获取模型名称"""
        return os.getenv("MODEL_NAME", "Qwen/Qwen3-VL-8B-Instruct")

    @staticmethod
    def get_embedding_model_name() -> str:
        """获取模型名称"""
        return os.getenv("EMBEDDING_MODEL_NAME", "Qwen/Qwen3-Embedding-0.6B")
    
    @staticmethod
    def get_base_url() -> str:
        """获取模型API基础URL"""
        return os.getenv("BASE_URL", "https://api.openai.com/v1")
    
    @staticmethod
    def get_api_key() -> str:
        """获取模型API密钥"""
        return os.getenv("API_KEY", "")
    
    @staticmethod
    def get_model_config() -> dict:
        """获取完整的模型配置"""
        return {
            "model_provider": ModelConfig.get_model_provider(),
            "model": ModelConfig.get_model_name(),
            "base_url": ModelConfig.get_base_url(),
            "api_key": ModelConfig.get_api_key()
        }

    @staticmethod
    def get_embedding_model_config() -> dict:
        """获取完整的模型配置"""
        return {
            "model_provider": ModelConfig.get_model_provider(),
            "model": ModelConfig.get_embedding_model_name(),
            "base_url": ModelConfig.get_base_url(),
            "api_key": ModelConfig.get_api_key()
        }

class AppConfig:
    """应用配置类"""
    
    @staticmethod
    def get_log_level() -> str:
        """获取日志级别"""
        return os.getenv("LOG_LEVEL", "INFO")

# 导出配置实例
model_config = ModelConfig.get_model_config()
app_config = {
    "log_level": AppConfig.get_log_level()
}