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

from core import perf_benchmark

from contrib.cluster_telemetry import ct_benchmarks_util
from contrib.cluster_telemetry import page_set
from contrib.cluster_telemetry import repaint_helpers

from telemetry import story

from py_utils import discover

from measurements import multipage_skpicture_printer


def _MatchPageSetName(story_set_name, story_set_base_dir):
  story_sets = discover.DiscoverClasses(story_set_base_dir, story_set_base_dir,
                                        story.StorySet).values()
  for s in story_sets:
    if story_set_name == s.Name():
      return s
  return None


class MultipageSkpicturePrinter(perf_benchmark.PerfBenchmark):

  @classmethod
  def AddBenchmarkCommandLineArgs(cls, parser):
    parser.add_option('--page-set-name',  action='store', type='string')
    parser.add_option('--page-set-base-dir', action='store', type='string')
    parser.add_option('-m', '--mskp-outdir',
                      help='Output directory for the mSKP files')

  @classmethod
  def ProcessCommandLineArgs(cls, parser, args):
    if not args.page_set_name:
      parser.error('Please specify --page-set-name')
    if not args.page_set_base_dir:
      parser.error('Please specify --page-set-base-dir')
    if not args.mskp_outdir:
      parser.error('Please specify --mskp-outdir')

  @classmethod
  def Name(cls):
    return 'multipage_skpicture_printer'

  def CreatePageTest(self, options):
    return multipage_skpicture_printer.MultipageSkpicturePrinter(
        options.mskp_outdir)

  def CreateStorySet(self, options):
    story_set_class = _MatchPageSetName(options.page_set_name,
                                        options.page_set_base_dir)
    return story_set_class()

  def GetExpectations(self):
    class StoryExpectations(story.expectations.StoryExpectations):
      def SetExpectations(self):
        pass # Not tests disabled.
    return StoryExpectations()


class MultipageSkpicturePrinterCT(perf_benchmark.PerfBenchmark):
  """Captures mSKPs for Cluster Telemetry."""

  @classmethod
  def Name(cls):
    return 'multipage_skpicture_printer_ct'

  @classmethod
  def AddBenchmarkCommandLineArgs(cls, parser):
    ct_benchmarks_util.AddBenchmarkCommandLineArgs(parser)
    parser.add_option('-m', '--mskp-outdir',
                      default=None,
                      help='Output directory for the mSKP files')

  @classmethod
  def ProcessCommandLineArgs(cls, parser, args):
    ct_benchmarks_util.ValidateCommandLineArgs(parser, args)

  def CreatePageTest(self, options):
    return multipage_skpicture_printer.MultipageSkpicturePrinter(
        options.mskp_outdir)

  def CreateStorySet(self, options):
    return page_set.CTPageSet(
        options.urls_list, options.user_agent, options.archive_data_file,
        run_page_interaction_callback=repaint_helpers.WaitThenRepaint)

  def GetExpectations(self):
    class StoryExpectations(story.expectations.StoryExpectations):
      def SetExpectations(self):
        pass # Not tests disabled.
    return StoryExpectations()