from pydantic_settings import BaseSettings
from typing import Optional, Dict, Any
import os
from dotenv import load_dotenv

load_dotenv()

class Settings(BaseSettings):
    # Application
    APP_NAME: str = "TestAuto"
    DEBUG: bool = False
    VERSION: str = "1.0.0"
    
    # API
    API_V1_STR: str = "/api/v1"
    PROJECT_NAME: str = "TestAuto API"
    
    # Security
    SECRET_KEY: str = os.getenv("SECRET_KEY", "your-secret-key")
    ACCESS_TOKEN_EXPIRE_MINUTES: int = 60 * 24 * 8  # 8 days
    
    # Database
    POSTGRES_SERVER: str = os.getenv("POSTGRES_SERVER", "localhost")
    POSTGRES_USER: str = os.getenv("POSTGRES_USER", "postgres")
    POSTGRES_PASSWORD: str = os.getenv("POSTGRES_PASSWORD", "postgres")
    POSTGRES_DB: str = os.getenv("POSTGRES_DB", "testauto")
    SQLALCHEMY_DATABASE_URI: Optional[str] = None
    
    # AI Providers
    OPENAI_API_KEY: Optional[str] = os.getenv("OPENAI_API_KEY")
    OPENROUTER_API_KEY: Optional[str] = os.getenv("OPENROUTER_API_KEY")
    LOCAL_LLM_PATH: Optional[str] = os.getenv("LOCAL_LLM_PATH")
    
    # Message Queue
    RABBITMQ_HOST: str = os.getenv("RABBITMQ_HOST", "localhost")
    RABBITMQ_PORT: int = int(os.getenv("RABBITMQ_PORT", "5672"))
    RABBITMQ_USER: str = os.getenv("RABBITMQ_USER", "guest")
    RABBITMQ_PASSWORD: str = os.getenv("RABBITMQ_PASSWORD", "guest")
    
    # Test Management Tools
    TESTRAIL_API_KEY: Optional[str] = os.getenv("TESTRAIL_API_KEY")
    TESTRAIL_URL: Optional[str] = os.getenv("TESTRAIL_URL")
    JIRA_API_TOKEN: Optional[str] = os.getenv("JIRA_API_TOKEN")
    JIRA_URL: Optional[str] = os.getenv("JIRA_URL")
    QTEST_API_TOKEN: Optional[str] = os.getenv("QTEST_API_TOKEN")
    QTEST_URL: Optional[str] = os.getenv("QTEST_URL")
    
    # Document Processing
    UPLOAD_FOLDER: str = "uploads"
    MAX_CONTENT_LENGTH: int = 16 * 1024 * 1024  # 16MB
    ALLOWED_EXTENSIONS: set = {"pdf", "docx", "doc", "txt", "png", "jpg", "jpeg"}
    
    # Logging
    LOG_LEVEL: str = os.getenv("LOG_LEVEL", "INFO")
    LOG_FILE: str = "logs/testauto.log"
    
    # Docker
    DOCKER_IMAGE: str = "testauto:latest"
    
    def __init__(self, **kwargs: Any):
        super().__init__(**kwargs)
        self.SQLALCHEMY_DATABASE_URI = (
            f"postgresql://{self.POSTGRES_USER}:{self.POSTGRES_PASSWORD}"
            f"@{self.POSTGRES_SERVER}/{self.POSTGRES_DB}"
        )

settings = Settings()