#    Copyright 2014-2016 ARM Limited
#
# 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.
#

import os
import logging
import re
import time

from wlauto import AndroidUiAutoBenchmark, Parameter
from wlauto.exceptions import DeviceError
from wlauto.exceptions import NotFoundError

__version__ = '0.1.0'


class Gmail(AndroidUiAutoBenchmark):

    name = 'gmail'
    package = 'com.google.android.gm'
    activity = ''
    view = [package+'/com.google.android.gm.ConversationListActivityGmail',
            package+'/com.google.android.gm.ComposeActivityGmail']
    description = """
    A workload to perform standard productivity tasks within Gmail.  The workload carries out
    various tasks, such as creating new emails and sending them, whilst also producing metrics for
    action completion times.

    Test description:

    1. Open Gmail application
    2. Click to create New mail
    3. Enter recipient details in the To: field
    4. Enter text in the Subject edit box
    5. Enter text in the Compose edit box
    6. Attach five images from the local Images folder to the email
    7. Click the Send mail button
    """

    regex = re.compile(r'uxperf_gmail.*: (?P<key>\w+) (?P<value>\d+)')

    parameters = [
        Parameter('recipient', default='armuxperf@gmail.com', mandatory=False,
                  description=""""
                  The email address of the recipient.  Setting a void address
                  will stop any mesage failures clogging up your device inbox
                  """),
        Parameter('dumpsys_enabled', kind=bool, default=True,
                  description="""
                  If ``True``, dumpsys captures will be carried out during the
                  test run.  The output is piped to log files which are then
                  pulled from the phone.
                  """),
    ]

    instrumentation_log = ''.join([name, '_instrumentation.log'])

    def __init__(self, device, **kwargs):
        super(Gmail, self).__init__(device, **kwargs)
        self.uiauto_params['recipient'] = self.recipient

    def validate(self):
        super(Gmail, self).validate()
        self.output_file = os.path.join(self.device.working_directory, self.instrumentation_log)
        self.uiauto_params['package'] = self.package
        self.uiauto_params['output_dir'] = self.device.working_directory
        self.uiauto_params['output_file'] = self.output_file
        self.uiauto_params['dumpsys_enabled'] = self.dumpsys_enabled

    def initialize(self, context):
        super(Gmail, self).initialize(context)

        # Check for workload dependencies before proceeding
        jpeg_files = [entry for entry in os.listdir(self.dependencies_directory) if entry.endswith(".jpg")]

        if len(jpeg_files) < 5:
            raise NotFoundError("This workload requires a minimum of five {} files in {}".format('jpg',
                                self.dependencies_directory))
        else:
            for entry in jpeg_files:
                self.device.push_file(os.path.join(self.dependencies_directory, entry),
                                      os.path.join(self.device.working_directory, entry),
                                      timeout=300)

        # Force a re-index of the mediaserver cache to pick up new files
        self.device.execute('am broadcast -a android.intent.action.MEDIA_MOUNTED -d file:///sdcard')

    def update_result(self, context):
        super(Gmail, self).update_result(context)

        self.device.pull_file(self.output_file, context.output_directory)
        result_file = os.path.join(context.output_directory, self.instrumentation_log)

        with open(result_file, 'r') as wfh:
            regex = re.compile(r'(?P<key>\w+)\s+(?P<value1>\d+)\s+(?P<value2>\d+)\s+(?P<value3>\d+)')
            for line in wfh:
                match = regex.search(line)
                if match:
                    context.result.add_metric((match.group('key') + "_start"),
                                              match.group('value1'), units='ms')
                    context.result.add_metric((match.group('key') + "_finish"),
                                              match.group('value2'), units='ms')
                    context.result.add_metric((match.group('key') + "_duration"),
                                              match.group('value3'), units='ms')

    def teardown(self, context):
        super(Gmail, self).teardown(context)

        for entry in self.device.listdir(self.device.working_directory):
            if entry.endswith(".log"):
                self.device.pull_file(os.path.join(self.device.working_directory, entry), context.output_directory)
                self.device.delete_file(os.path.join(self.device.working_directory, entry))

    def finalize(self, context):
        super(Gmail, self).finalize(context)

        for entry in self.device.listdir(self.device.working_directory):
            if entry.endswith(".jpg"):
                self.device.delete_file(os.path.join(self.device.working_directory, entry))

        # Force a re-index of the mediaserver cache to pick up new files
        self.device.execute('am broadcast -a android.intent.action.MEDIA_MOUNTED -d file:///sdcard')