#!/usr/bin/env python
# Lint as: python3
# -*- encoding: utf-8 -*-
"""Test the vfs gui interface."""
from __future__ import absolute_import
from __future__ import division
from __future__ import unicode_literals

from absl import app
import mock

from grr_response_server.gui import api_call_router_with_approval_checks
from grr_response_server.gui import gui_test_lib
from grr_response_server.gui.api_plugins import vfs as api_vfs
from grr.test_lib import fixture_test_lib
from grr.test_lib import test_lib


class VFSViewTest(gui_test_lib.GRRSeleniumTest):

  def setUp(self):
    super(VFSViewTest, self).setUp()
    # Prepare our fixture.
    self.client_id = "C.0000000000000001"

    with test_lib.FakeTime(test_lib.FIXED_TIME):
      fixture_test_lib.ClientFixture(self.client_id)

    gui_test_lib.CreateFileVersions(self.client_id)
    self.RequestAndGrantClientApproval("C.0000000000000001")

  def testUnicodeContentIsShownInTree(self):
    # Open VFS view for client 1 on a specific location.
    self.Open("/#clients/C.0000000000000001/vfs/fs/os/c/Downloads/")

    # Click on the file containing unicode characters.
    self.Click(u"css=tr:contains(\"中.txt\")")
    # Then click on the "Download" tab.
    self.Click("css=li[heading=Download]:not(.disabled)")

    self.WaitUntil(self.IsTextPresent, u"中国新闻网新闻中.txt")

  def testFolderPathCanContainUnicodeCharacters(self):
    # Open VFS view for client 1 on a location containing unicode characters.
    self.Open("/#/clients/C.0000000000000001/vfs/fs/os/c/中国新闻网新闻中/")

    # Check that the correct file is listed.
    self.WaitUntil(self.IsElementPresent, "css=tr:contains(\"bzcmp\")")

  def testFolderPathWithUnicodeCharactersCanBeClicked(self):
    dirpath = "fs/os/home/user/foo/a看a"
    filepath = f"{dirpath}/bar/baz.txt"

    gui_test_lib.CreateFileVersion(self.client_id, filepath, b"foobar")

    self.Open(f"/#/clients/{self.client_id}/vfs/{dirpath}")
    self.Click("css=li > a:contains(\"a看a\")")
    self.Click("css=li > a:contains(\"bar\")")
    self.WaitUntil(self.IsElementPresent, "css=tr:contains(\"baz.txt\")")

  def testUrlSensitiveCharactersAreShownInTree(self):
    gui_test_lib.CreateFileVersion(
        self.client_id,
        "fs/os/c/foo?bar&oh/a&=?b.txt",
        "Hello World".encode("utf-8"),
        timestamp=gui_test_lib.TIME_1)

    # Open VFS view for client 1 on a specific location.
    self.Open("/#/clients/C.0000000000000001/vfs/fs/os/c/")

    # Wait until the folder gets selected and its information displayed in
    # the details pane.
    self.WaitUntil(self.IsElementPresent,
                   "css=grr-file-details:contains('VFSDirectory')")

    # Click on the "foo?bar&oh" subfolder.
    self.Click("css=#_fs-os-c-foo_3Fbar_26oh a:visible")

    # Some more unicode testing.
    self.Click(u"css=tr:contains(\"a&=?b.txt\")")
    self.Click("css=li[heading=Download]")

    self.WaitUntil(self.IsElementPresent,
                   "css=grr-file-details:contains('a&=?b.txt')")

    # Test the text viewer.
    self.Click("css=li[heading=TextView]")
    self.WaitUntilContains("Hello World", self.GetText, "css=div.monospace pre")

  def testFolderPathCanContainUrlSensitiveCharacters(self):
    gui_test_lib.CreateFileVersion(
        self.client_id,
        "fs/os/c/foo?bar&oh/a&=?b.txt",
        "Hello World".encode("utf-8"),
        timestamp=gui_test_lib.TIME_1)

    # Open VFS view for client 1 on a location containing unicode characters.
    self.Open("/#c=C.0000000000000001&main=VirtualFileSystemView&t=_fs-os-c"
              "-foo_3Fbar_26oh")

    # Check that the correct file is listed.
    self.WaitUntil(self.IsElementPresent, "css=tr:contains(\"a&=?b.txt\")")

  def testDoubleClickGoesInsideDirectory(self):
    """Tests that double click in FileTable goes inside the directory."""

    self.Open("/")

    self.Type("client_query", "C.0000000000000001")
    self.Click("client_query_submit")

    self.WaitUntilEqual(u"C.0000000000000001", self.GetText,
                        "css=span[type=subject]")

    # Choose client 1 and go to 'Browse Virtual Filesystem'
    self.Click("css=td:contains('0001')")
    self.Click("css=a[grrtarget='client.vfs']")
    self.Click("link=fs")

    # Now click on "os" inside the table. Tree shouldn't get updated,
    self.Click("css=td:contains('os')")

    # Now double click on "os".
    self.DoubleClick("css=td:contains('os')")

    # Now we should be inside the folder, and the tree should open.
    self.WaitUntil(self.IsElementPresent, "css=#_fs-os-c i.jstree-icon")
    # Check that breadcrumbs got updated.
    self.WaitUntil(self.IsElementPresent,
                   "css=#content_rightPane .breadcrumb li:contains('os')")

  @mock.patch.object(
      api_call_router_with_approval_checks.ApiCallRouterWithApprovalChecks,
      "GetVfsFilesArchive",
      return_value=api_vfs.ApiGetVfsFilesArchiveHandler())
  def testClickingOnDownloadCurrentFolderButtonStartsDownload(
      self, mock_method):
    # Open VFS view for client 1 on a specific location.
    self.Open("/#c=C.0000000000000001&main=VirtualFileSystemView"
              "&t=_fs-os-c-proc")

    self.Click("css=grr-vfs-files-archive-button")
    self.Click("css=a[name=downloadCurrentFolder]")

    # Mock method will be called twice: once for HEAD request (to check
    # permissions) and once for GET request.
    self.WaitUntil(lambda: mock_method.call_count)
    mock_method.assert_called_with(
        api_vfs.ApiGetVfsFilesArchiveArgs(
            client_id="C.0000000000000001", file_path="fs/os/c/proc"),
        context=mock.ANY)

  @mock.patch.object(
      api_call_router_with_approval_checks.ApiCallRouterWithApprovalChecks,
      "GetVfsFilesArchive",
      return_value=api_vfs.ApiGetVfsFilesArchiveHandler())
  def testClickingOnDownloadEverythingButtonStartsDownload(self, mock_method):
    # Open VFS view for client 1 on a specific location.
    self.Open("/#c=C.0000000000000001&main=VirtualFileSystemView"
              "&t=_fs-os-c-proc")

    self.Click("css=grr-vfs-files-archive-button")
    self.Click("css=a[name=downloadEverything]:not([disabled])")

    # Mock method will be called twice: once for HEAD request (to check
    # permissions) and once for GET request.
    self.WaitUntil(lambda: mock_method.call_count)
    mock_method.assert_called_with(
        api_vfs.ApiGetVfsFilesArchiveArgs(client_id="C.0000000000000001"),
        context=mock.ANY)


if __name__ == "__main__":
  app.run(test_lib.main)
