# Copyright (c) 2011 Google Inc. All rights reserved.
# Copyright (C) 2019 Apple Inc. All rights reserved.
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import os
import platform
import sys

from webkitpy.common.system import environment, executive, file_lock, filesystem, platforminfo, user, workspace


class SystemHost(object):
    def __init__(self):
        self.executive = executive.Executive()
        self.filesystem = filesystem.FileSystem()
        self.platform = platforminfo.PlatformInfo(sys, platform, self.executive)
        self.user = user.User(self.platform)
        self.workspace = workspace.Workspace(self.filesystem, self.executive)

    def copy_current_environment(self):
        return environment.Environment(os.environ.copy())

    def make_file_lock(self, path):
        return file_lock.FileLock(path)

    def symbolicate_crash_log_if_needed(self, path):
        return self.filesystem.read_text_file(path)

    def path_to_lldb_python_directory(self):
        if not self.platform.is_mac():
            return ''
        # Explicitly use Python 2.7
        path = self.executive.run_command(['xcrun', 'lldb', '--python-path'], return_stderr=False).rstrip()
        return self.filesystem.join(self.filesystem.dirname(path), 'Python')

    @property
    def device_type(self):
        return None