from .request_handler import _HttpRequestHandler


class RequestBuilder:
    """
    A Builder for HTTP Request class

    Attributes:
        __url (str): URL at which the request is made
        __headers (dict):
        __body (dict):
        __params (dict): Query params
        __method (str): HTTP method (GET, POST, ...)
    """

    def __init__(self):
        self.__url = ""
        self.__headers = {}
        self.__body = None
        self.__params = None
        self.__method = "GET"

    def set_url(self, url):
        self.__url = url
        return self

    def set_headers(self, headers):
        self.__headers = headers
        return self

    def set_body(self, body):
        self.__body = body
        return self

    def set_params(self, params):
        self.__params = params
        return self

    def set_method(self, method):
        self.__method = method
        return self

    def build(self):
        """Based on the set parameters it returns a Request Handler object"""
        return _HttpRequestHandler(url=self.__url, method=self.__method, body=self.__body,
                                   params=self.__params, headers=self.__headers)