#!/usr/bin/python3 -OO
# Copyright 2007-2020 The SABnzbd-Team <team@sabnzbd.org>
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation; either version 2
# of the License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.

"""
tests.test_functional_config - Basic testing if Config pages work
"""

from selenium.common.exceptions import NoSuchElementException, UnexpectedAlertPresentException, NoAlertPresentException

from tests.testhelper import *


class SABnzbdBasicPagesTest(SABnzbdBaseTest):
    def test_base_pages(self):
        # Quick-check of all Config pages
        test_urls = ["config", "config/server", "config/categories", "config/scheduling", "config/rss"]

        for test_url in test_urls:
            self.open_page("http://%s:%s/%s" % (SAB_HOST, SAB_PORT, test_url))

    def test_base_submit_pages(self):
        test_urls_with_submit = [
            "config/general",
            "config/folders",
            "config/switches",
            "config/sorting",
            "config/notify",
            "config/special",
        ]

        for test_url in test_urls_with_submit:
            self.open_page("http://%s:%s/%s" % (SAB_HOST, SAB_PORT, test_url))

            # Can only click the visible buttons
            submit_btns = self.driver.find_elements_by_class_name("saveButton")
            for submit_btn in submit_btns:
                if submit_btn.is_displayed():
                    break
            else:
                raise NoSuchElementException

            # Click the right button
            submit_btn.click()

            try:
                self.wait_for_ajax()
            except UnexpectedAlertPresentException:
                try:
                    # Ignore restart-request due to empty sabnzbd.ini in tests
                    self.driver.switch_to.alert.dismiss()
                except NoAlertPresentException:
                    pass

            # For Specials page we get redirected after save, so check for no crash
            if "special" in test_url:
                self.no_page_crash()
            else:
                # For others if all is fine, button will be back to normal in 1 second
                time.sleep(1.0)
                assert submit_btn.text == "Save Changes"


class SABnzbdConfigLogin(SABnzbdBaseTest):
    def test_login(self):
        # Test if base page works
        self.open_page("http://%s:%s/sabnzbd/config/general" % (SAB_HOST, SAB_PORT))

        # Set the username and password
        username_imp = self.driver.find_element_by_css_selector("input[data-hide='username']")
        username_imp.clear()
        username_imp.send_keys("test_username")
        pass_inp = self.driver.find_element_by_css_selector("input[data-hide='password']")
        pass_inp.clear()
        pass_inp.send_keys("test_password")

        # Submit and ignore alert
        self.driver.find_element_by_class_name("saveButton").click()

        try:
            self.wait_for_ajax()
        except UnexpectedAlertPresentException:
            try:
                # Ignore restart-request
                self.driver.switch_to.alert.dismiss()
            except NoAlertPresentException:
                pass

        # Open any page and check if we get redirected
        self.open_page("http://%s:%s/sabnzbd/general" % (SAB_HOST, SAB_PORT))
        assert "/login/" in self.driver.current_url

        # Fill nonsense and submit
        username_login = self.driver.find_element_by_css_selector("input[name='username']")
        username_login.clear()
        username_login.send_keys("nonsense")
        pass_login = self.driver.find_element_by_css_selector("input[name='password']")
        pass_login.clear()
        pass_login.send_keys("nonsense")
        self.driver.find_element_by_tag_name("button").click()

        # Check if we were denied
        assert "Authentication failed" in self.driver.find_element_by_class_name("alert-danger").text

        # Fill right stuff
        username_login = self.driver.find_element_by_css_selector("input[name='username']")
        username_login.clear()
        username_login.send_keys("test_username")
        pass_login = self.driver.find_element_by_css_selector("input[name='password']")
        pass_login.clear()
        pass_login.send_keys("test_password")
        self.driver.find_element_by_tag_name("button").click()

        # Can we now go to the page and empty the settings again?
        self.open_page("http://%s:%s/sabnzbd/config/general" % (SAB_HOST, SAB_PORT))
        assert "/login/" not in self.driver.current_url

        # Set the username and password
        username_imp = self.driver.find_element_by_css_selector("input[data-hide='username']")
        username_imp.clear()
        pass_inp = self.driver.find_element_by_css_selector("input[data-hide='password']")
        pass_inp.clear()

        # Submit and ignore alert
        self.driver.find_element_by_class_name("saveButton").click()

        try:
            self.wait_for_ajax()
        except UnexpectedAlertPresentException:
            try:
                # Ignore restart-request
                self.driver.switch_to.alert.dismiss()
            except NoAlertPresentException:
                pass

        # Open any page and check if we get redirected
        self.open_page("http://%s:%s/sabnzbd/general" % (SAB_HOST, SAB_PORT))
        assert "/login/" not in self.driver.current_url


class SABnzbdConfigCategories(SABnzbdBaseTest):

    category_name = "testCat"

    def test_page(self):
        # Test if base page works
        self.open_page("http://%s:%s/sabnzbd/config/categories" % (SAB_HOST, SAB_PORT))

        # Add new category
        self.driver.find_elements_by_name("newname")[1].send_keys("testCat")
        self.driver.find_element_by_xpath("//button/text()[normalize-space(.)='Add']/parent::*").click()
        self.no_page_crash()
        self.assertNotIn(self.category_name, self.driver.page_source)


class SABnzbdConfigRSS(SABnzbdBaseTest):

    rss_url = "https://sabnzbd.org/tests/rss_feed_test.xml"
    rss_name = "_SeleniumFeed"

    def test_rss_basic_flow(self):
        # Test if base page works
        self.open_page("http://%s:%s/sabnzbd/config/rss" % (SAB_HOST, SAB_PORT))

        # Uncheck enabled-checkbox for new feeds
        self.driver.find_element_by_xpath('//form[@action="add_rss_feed"]//input[@name="enable"]').click()
        input_name = self.driver.find_element_by_xpath('//form[@action="add_rss_feed"]//input[@name="feed"]')
        input_name.clear()
        input_name.send_keys(self.rss_name)
        self.driver.find_element_by_xpath('//form[@action="add_rss_feed"]//input[@name="uri"]').send_keys(self.rss_url)
        self.driver.find_element_by_xpath('//form[@action="add_rss_feed"]//button').click()

        # Check if we have results
        tab_results = int(self.driver.find_element_by_xpath('//a[@href="#rss-tab-matched"]/span').text)
        assert tab_results > 0

        # Check if it matches the number of rows
        tab_table_results = len(self.driver.find_elements_by_xpath('//div[@id="rss-tab-matched"]/table/tbody/tr'))
        assert tab_table_results == tab_results

        # Pause the queue do we don't download stuff
        assert get_api_result("pause") == {"status": True}

        # Download something
        download_btn = self.driver.find_element_by_xpath('//div[@id="rss-tab-matched"]/table/tbody//button')
        download_btn.click()
        self.wait_for_ajax()

        # Does the page think it's a success?
        assert "Added NZB" in download_btn.text

        # Let's check the queue
        queue_result_slots = get_api_result("queue")["queue"]["slots"]
        assert len(queue_result_slots) == 1

        # Let's remove this thing
        get_api_result("queue", extra_arguments={"name": "delete", "value": queue_result_slots[0]["nzo_id"]})
        queue_result_slots = get_api_result("queue")["queue"]["slots"]
        assert len(queue_result_slots) == 0

        # Unpause
        assert get_api_result("resume") == {"status": True}


@pytest.mark.skipif("SAB_NEWSSERVER_HOST" not in os.environ, reason="Test-server not specified")
class SABnzbdConfigServers(SABnzbdBaseTest):

    server_name = "_SeleniumServer"

    def open_config_servers(self):
        # Test if base page works
        self.open_page("http://%s:%s/sabnzbd/config/server" % (SAB_HOST, SAB_PORT))
        self.scroll_to_top()

        # Show advanced options
        advanced_btn = self.driver.find_element_by_name("advanced-settings-button")
        if not advanced_btn.get_attribute("checked"):
            advanced_btn.click()

    def add_test_server(self):
        # Add server
        self.driver.find_element_by_id("addServerButton").click()
        host_inp = self.driver.find_element_by_name("host")
        host_inp.clear()
        host_inp.send_keys(self.newsserver_host)
        username_imp = self.driver.find_element_by_css_selector("#addServerContent input[data-hide='username']")
        username_imp.clear()
        username_imp.send_keys(self.newsserver_user)
        pass_inp = self.driver.find_element_by_css_selector("#addServerContent input[data-hide='password']")
        pass_inp.clear()
        pass_inp.send_keys(self.newsserver_password)

        # With SSL
        ssl_imp = self.driver.find_element_by_name("ssl")
        if not ssl_imp.get_attribute("checked"):
            ssl_imp.click()

        # Check that we filled the right port automatically
        self.assertEqual(self.driver.find_element_by_id("port").get_attribute("value"), "563")

        # Test server-check
        self.driver.find_element_by_css_selector("#addServerContent .testServer").click()
        self.wait_for_ajax()
        check_result = self.driver.find_element_by_css_selector("#addServerContent .result-box").text
        assert "Connection Successful" in check_result

        # Set test-servername
        self.driver.find_element_by_id("displayname").send_keys(self.server_name)

        # Add and show details
        pass_inp.send_keys(Keys.RETURN)
        time.sleep(1)
        if not self.driver.find_element_by_id("host0").is_displayed():
            self.driver.find_element_by_class_name("showserver").click()

    def remove_server(self):
        # Remove the first server and accept the confirmation
        self.driver.find_element_by_class_name("delServer").click()
        self.driver.switch_to.alert.accept()

        # Check that it's gone
        time.sleep(2)
        self.assertNotIn(self.server_name, self.driver.page_source)

    def test_add_and_remove_server(self):
        self.open_config_servers()
        self.add_test_server()
        self.remove_server()

    def test_empty_bad_password(self):
        self.open_config_servers()
        self.add_test_server()

        # Test server-check with empty password
        pass_inp = self.driver.find_elements_by_css_selector("input[data-hide='password']")[1]
        pass_inp.clear()
        self.driver.find_elements_by_css_selector(".testServer")[1].click()
        self.wait_for_ajax()
        check_result = self.driver.find_elements_by_css_selector(".result-box")[1].text.lower()
        assert "authentication failed" in check_result or "invalid username or password" in check_result

        # Test server-check with bad password
        pass_inp.send_keys("bad")
        self.driver.find_elements_by_css_selector(".testServer")[1].click()
        self.wait_for_ajax()
        check_result = self.driver.find_elements_by_css_selector(".result-box")[1].text.lower()
        assert "authentication failed" in check_result or "invalid username or password" in check_result

        # Test no username and password
        pass_inp.clear()
        username_inp = self.driver.find_elements_by_css_selector("input[data-hide='username']")[1]
        username_inp.clear()
        self.driver.find_elements_by_css_selector(".testServer")[1].click()
        self.wait_for_ajax()
        check_result = self.driver.find_elements_by_css_selector(".result-box")[1].text.lower()
        assert "server requires username and password" in check_result

        # Finish
        self.remove_server()