from django.shortcuts import HttpResponse
from apps.api import models as m_api
from django.views.decorators.http import require_http_methods, require_POST, require_GET
from apps.api.common import CaesarCypherClass, Base64CypherClass
from apps.api.config import Config

config = Config()
caesar = CaesarCypherClass()
base64 = Base64CypherClass()


# Create your views here.
@require_POST
def get_config(request):
    """
    获取系统配置的接口，通过identity标识字段查询param参数并返回，如果使用加密版数据库则根据加密方式进行解密后返回
    :param request: identity标识字段
    :return: 获取到的参数param
    """
    try:
        identity = request.POST.get("param")
        if config.getconfig("isCypher"):  # 启用加密数据库
            param_base64 = m_api.SysConfig.objects.using("cypher").filter(identity=identity).first().param
            if config.getconfig("CypherMethod") == "caesar":  # 加密方式为Caesar
                param = caesar.caesar_decode(param_base64)
                return HttpResponse(param)
            else:  # 加密方式为Base64
                param = base64.base64_decode_str(base64, param_base64)
                return HttpResponse(param)
        else:  # 不加密的数据库
            param = m_api.SysConfig.objects.using("default").filter(identity=identity).first().param
            return HttpResponse(param)
    except Exception as e:
        print(f"报错了:{e}")
        return HttpResponse(f"报错了:{e}")


@require_POST
def add_config(request):
    try:
        pass
    except Exception as e:
        print(f"报错了:{e}")
        return HttpResponse(f"报错了:{e}")