# Copyright 2015 The Chromium Authors
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.

import os

# pylint: disable=wrong-import-position
from core import path_util

CLIENT_CONFIG_PATH = os.path.join(
  os.path.dirname(os.path.abspath(__file__)), 'binary_dependencies.json'
)

with path_util.SysPath(path_util.GetTelemetryDir()):
  from telemetry import project_config
with path_util.SysPath(path_util.GetVariationsDir()):
  import fieldtrial_util  # pylint: disable=import-error
with path_util.SysPath(path_util.GetAndroidPylibDir()):
  from pylib.constants import host_paths


class ChromiumConfig(project_config.ProjectConfig):
  def __init__(
    self,
    top_level_dir=None,
    benchmark_dirs=None,
    client_configs=None,
    default_chrome_root=None,
    expectations_files=None,
  ):
    if client_configs is None:
      client_configs = [CLIENT_CONFIG_PATH]
    if default_chrome_root is None:
      default_chrome_root = path_util.GetChromiumSrcDir()
    # Some android utilities in Catapult expect a java binary available on PATH,
    # so place chromium's heremetic JDK on PATH if we have it checked out.
    if os.path.exists(host_paths.JAVA_PATH):
      os.environ['PATH'] = (
        host_paths.JAVA_PATH + os.pathsep + os.environ['PATH']
      )

    super(ChromiumConfig, self).__init__(
      top_level_dir=top_level_dir,
      benchmark_dirs=benchmark_dirs,
      client_configs=client_configs,
      default_chrome_root=default_chrome_root,
      expectations_files=expectations_files,
    )

  def AdjustStartupFlags(self, args):
    return fieldtrial_util.MergeFeaturesAndFieldTrialsArgs(args)


def GetDefaultChromiumConfig():
  return ChromiumConfig(
    benchmark_dirs=[
      path_util.GetOfficialBenchmarksDir(),
      path_util.GetContribDir(),
    ],
    top_level_dir=path_util.GetPerfDir(),
    expectations_files=[path_util.GetExpectationsPath()],
  )