import HttpRequests
from robot.api import logger

DCAE_APP_NAME = "DCAE App"


class DcaeAppSimulatorLibrary:

    def configure_dcae_app_simulator_to_consume_messages_from_topics(self, app_url, topics):
        logger.info("PUT at: " + app_url)
        resp = HttpRequests.session_without_env().put(app_url, data={'topics': topics}, timeout=5)
        HttpRequests.checkStatusCode(resp.status_code, DCAE_APP_NAME)

    def assert_DCAE_app_consumed(self, app_url, expected_messages_amount):
        logger.info("GET at: " + app_url)
        resp = HttpRequests.session_without_env().get(app_url, timeout=5)
        HttpRequests.checkStatusCode(resp.status_code, DCAE_APP_NAME)

        assert resp.content == expected_messages_amount, \
            "Messages consumed by simulator: " + resp.content + " expecting: " + expected_messages_amount

    def assert_DCAE_app_consumed_less_equal_than(self, app_url, messages_threshold):
        logger.info("GET at: " + app_url)
        resp = HttpRequests.session_without_env().get(app_url, timeout=5)
        HttpRequests.checkStatusCode(resp.status_code, DCAE_APP_NAME)

        logger.debug("Messages consumed by simulator: " + resp.content +
                     " expecting more than 0 and less/equal than " + messages_threshold)

        assert 0 < int(resp.content) <= int(messages_threshold), \
            "Messages consumed by simulator: " + resp.content + \
            " expecting more than 0 and less/equal than " + messages_threshold

    def reset_DCAE_app_simulator(self, app_url):
        logger.info("DELETE at: " + app_url)
        resp = HttpRequests.session_without_env().delete(app_url, timeout=5)
        HttpRequests.checkStatusCode(resp.status_code, DCAE_APP_NAME)

    def assert_DCAE_app_consumed_proper_messages(self, app_url, message_filepath):
        logger.info("POST at: " + app_url)
        file = open(message_filepath, "rb")
        data = file.read()
        file.close()

        resp = HttpRequests.session_without_env().post(app_url, data=data, timeout=5)
        HttpRequests.checkStatusCode(resp.status_code, DCAE_APP_NAME)