# Lint as: python2, python3
# Copyright 2016 The Chromium OS Authors. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.

import logging
import time

from autotest_lib.client.bin import test
from autotest_lib.client.bin import utils
from autotest_lib.client.common_lib import error
from autotest_lib.client.common_lib.cros import chrome
from autotest_lib.client.cros.input_playback import input_playback


class logging_FeedbackReport(test.test):
    """Tests if feedback report can be opened with no crashes in browser."""
    version = 1
    _FEEDBACK_STATE_TIMEOUT = 40
    _WAIT = 2
    _FEEDBACK_SENT_URL = 'support.google.com/chromebook/answer/3142217'

    def warmup(self):
        """Test setup."""
        # Emulate keyboard to open feedback app.
        # See input_playback. The keyboard is used to play back shortcuts.
        self._player = input_playback.InputPlayback()
        self._player.emulate(input_type='keyboard')
        self._player.find_connected_inputs()

    def _open_feedback(self):
        """Use keyboard shortcut to emulate input to open feedback app."""
        self._player.blocking_playback_of_default_file(
            input_type='keyboard', filename='keyboard_alt+shift+i')

    def _enter_feedback_text(self):
        """Enter Feedback message in the Text field"""
        time.sleep(self._WAIT)
        self._player.blocking_playback_of_default_file(
               input_type='keyboard', filename='keyboard_T+e+s+t')

    def _press_enter(self):
        """Use keyboard shortcut to press Enter."""
        self._player.blocking_playback_of_default_file(
            input_type='keyboard', filename='keyboard_enter')

    def _press_shift_tab(self):
        """Use keyboard shortcut to press Shift-Tab."""
        self._player.blocking_playback_of_default_file(
            input_type='keyboard', filename='keyboard_shift+tab')

    def _submit_feedback(self):
        """Click on Send button to submit Feedback Report using keyboard input"""
        time.sleep(self._WAIT)
        self._enter_feedback_text()
        self._press_shift_tab()
        self._press_enter()

    def _is_feedback_sent(self, start_time, timeout):
        """Checks feedback is sent within timeout

        @param start_time: beginning timestamp
        @param timeout: duration of URL checks

        @returns: True if feedback sent page is present
        """
        while True:
            time.sleep(self._WAIT)
            for tab in self.cr.browser.tabs:
                if self._FEEDBACK_SENT_URL in tab.url:
                    return True
            if time.time() - start_time >= timeout:
                break;
        return False

    def run_once(self):
        """Run the test."""
        with chrome.Chrome(disable_default_apps=False) as self.cr:
            # Open and confirm feedback app is working.
            time.sleep(self._WAIT)
            self._open_feedback()
            self._submit_feedback()

            start_time = time.time()
            if not self._is_feedback_sent(start_time, self._WAIT * 30):
                raise error.TestFail("Feedback NOT sent!")

    def cleanup(self):
        """Test cleanup."""