"""配置路由"""
from typing import Optional
from fastapi import APIRouter, Depends, Header, HTTPException, Query
from sqlalchemy.orm import Session

from ..database import get_db
from ..config import get_settings
from ..models.tenant import Config
from ..schemas.config import ConfigValue, ConfigWrite
from ..services.crypto import decrypt_value

router = APIRouter(prefix="/api/config", tags=["config"])
settings = get_settings()


def verify_api_key(x_api_key: str = Header(..., alias="X-API-Key")):
    """验证API Key"""
    if x_api_key != settings.API_KEY:
        raise HTTPException(status_code=401, detail="Invalid API Key")
    return x_api_key


@router.get("/{config_type}/{config_key}", response_model=ConfigValue)
async def get_config(
    config_type: str,
    config_key: str,
    tenant_id: int = Query(..., description="租户ID"),
    db: Session = Depends(get_db),
    _: str = Depends(verify_api_key)
):
    """读取配置"""
    config = db.query(Config).filter(
        Config.tenant_id == tenant_id,
        Config.config_type == config_type,
        Config.config_key == config_key
    ).first()
    
    if not config:
        raise HTTPException(status_code=404, detail="Config not found")
    
    value = config.config_value
    if config.is_encrypted:
        value = decrypt_value(value)
    
    return ConfigValue(
        config_type=config.config_type,
        config_key=config.config_key,
        config_value=value
    )