# frozen_string_literal: true

#
# Copyright (C) 2014 - present Instructure, Inc.
#
# This file is part of Canvas.
#
# Canvas is free software: you can redistribute it and/or modify it under
# the terms of the GNU Affero General Public License as published by the Free
# Software Foundation, version 3 of the License.
#
# Canvas is distributed in the hope that it will be useful, but WITHOUT ANY
# WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
# A PARTICULAR PURPOSE. See the GNU Affero General Public License for more
# details.
#
# You should have received a copy of the GNU Affero General Public License along
# with this program. If not, see <http://www.gnu.org/licenses/>.
#

describe GoogleDocsCollaboration do
  def stub_service
    google_drive_connection = instance_double(GoogleDrive::Connection, acl_add: nil, acl_remove: nil)
    allow(GoogleDrive::Connection).to receive(:new).and_return(google_drive_connection)
    file = instance_double(Google::Apis::DriveV3::File, id: 1, to_h: { id: 1, web_view_link: "http://google.com" }, web_view_link: "http://google.com")
    allow(google_drive_connection).to receive(:create_doc).with("title").and_return(file)
  end

  describe "#initialize_document" do
    let(:user) { User.new }

    it "creates a google doc" do
      google_docs_collaboration = GoogleDocsCollaboration.new
      google_docs_collaboration.title = "title"
      google_docs_collaboration.user = user
      stub_service
      expect(Rails.cache).to receive(:fetch).and_return(["token", "secret"])
      google_docs_collaboration.initialize_document
    end
  end

  describe "collaborators" do
    before :once do
      PluginSetting.create!(name: "google_drive", settings: {})
      @other_user = user_with_pseudonym(active_all: true)
      @student = user_with_pseudonym(active_all: true)
      course_factory(active_all: true)
      @course.enroll_student(@student)

      @teacher.user_services.create! service: "google_drive",
                                     service_domain: "drive.google.com",
                                     service_user_id: "teh_teacher@gmail.com",
                                     token: "blah",
                                     secret: "bleh"
      @student.user_services.create! service: "google_drive",
                                     service_domain: "drive.google.com",
                                     service_user_id: "teh_student@gmail.com",
                                     token: "bleh",
                                     secret: "blah"
      @other_user.user_services.create! service: "google_drive",
                                        service_domain: "drive.google.com",
                                        service_user_id: "distractor@gmail.com",
                                        token: "bleh",
                                        secret: "bleh"
    end

    before do
      stub_service
      @collaboration = GoogleDocsCollaboration.new(title: "title", user: @teacher)
      @collaboration.context = @course
      @collaboration.save!
    end

    it "adds collaborators" do
      stub_service
      @collaboration.update_members([@teacher, @student])
      collaborators = @collaboration.reload.collaborators.to_a
      expect(collaborators.map(&:user_id)).to match_array([@student.id, @teacher.id])
      expect(collaborators.map(&:authorized_service_user_id)).to match_array(["teh_teacher@gmail.com", "teh_student@gmail.com"])
    end

    it "doesn't add users outside the course" do
      stub_service
      @collaboration.update_members([@other_user])
      @collaboration.reload
      expect(@collaboration.collaborators.pluck(:user_id)).not_to include @other_user.id
    end
  end
end
