# Copyright 2020 Red Hat, Inc.
#
# Licensed under the Apache License, Version 2.0 (the "License"); you may
# not use this file except in compliance with the License. You may obtain
# a copy of the License at
#
#      http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# License for the specific language governing permissions and limitations
# under the License.

from selenium import webdriver
from selenium.webdriver.support.ui import WebDriverWait
from selenium.common.exceptions import TimeoutException
import time


testinfra_hosts = ['grafana01.opendev.org']


def test_grafana_container_listening(host):
    grafana = host.socket("tcp://127.0.0.1:3000")
    assert grafana.is_listening

def test_grafana_proxy(host):
    cmd = host.run('curl --insecure '
                   '--resolve grafana.opendev.org:443:127.0.0.1 '
                   'https://grafana.opendev.org')
    assert '<title>Grafana</title>' in cmd.stdout

def test_grafana_api_denial(host):
    cmd = host.run('curl -s --insecure '
                   '--resolve grafana.opendev.org:443:127.0.0.1 '
                   '-XPOST -H "Accept: application/json" '
                   '-H "Content-Type: application/json" '
                   '-d \'{"dashboard": {}}\' '
                   'https://grafana.opendev.org/api/snapshots')
    assert '403 Forbidden' in cmd.stdout

def test_grafana_screenshots(host):
    driver = webdriver.Remote(
        command_executor='http://%s:4444/wd/hub' % (host.backend.get_hostname()),
        desired_capabilities=webdriver.DesiredCapabilities.FIREFOX)

    try:
        driver.get("https://localhost")
        WebDriverWait(driver, 30).until(lambda driver: driver.execute_script(
            'return document.readyState') == 'complete')
        # NOTE(ianw): The page doesn't really seem to be complete at
        # this point, not sure what to listen for...
        time.sleep(5)
        driver.save_screenshot("/var/log/screenshots/grafana-main-page.png")

        driver.get("https://localhost/dashboards")
        original_size = driver.get_window_size()
        required_width = driver.execute_script(
            'return document.body.parentNode.scrollWidth')
        required_height = driver.execute_script(
            'return document.body.parentNode.scrollHeight') + 100
        driver.set_window_size(required_width, required_height)
        driver.find_element_by_tag_name('body'). \
            screenshot("/var/log/screenshots/grafana-dashboards-page.png")
        driver.set_window_size(
            original_size['width'], original_size['height'])

    except TimeoutException as e:
        raise e
    finally:
        driver.quit()