# frozen_string_literal: true

# Note: This file uses `sleep` to sync up parts of the tests. This is only implemented like this
# because of the methods being tested. In tests using Capybara this type of behavior should be implemented
# using Capybara provided assertions with builtin waiting behavior.

Capybara::SpecHelper.spec '#switch_to_window', requires: [:windows] do
  before do
    @window = @session.current_window
    @session.visit('/with_windows')
    @session.assert_selector(:css, 'body.loaded')
  end

  after do
    (@session.windows - [@window]).each do |w|
      @session.switch_to_window w
      w.close
    end
    @session.switch_to_window(@window)
  end

  it 'should raise error when invoked without args' do
    expect do
      @session.switch_to_window
    end.to raise_error(ArgumentError, '`switch_to_window`: either window or block should be provided')
  end

  it 'should raise error when invoked with window and block' do
    expect do
      @session.switch_to_window(@window) { @session.title == 'Title of the first popup' }
    end.to raise_error(ArgumentError, '`switch_to_window` can take either a block or a window, not both')
  end

  context 'with an instance of Capybara::Window' do
    it 'should be able to switch to window' do
      window = @session.open_new_window
      expect(@session.title).to eq('With Windows')
      @session.switch_to_window(window)
      expect(@session.title).to satisfy('be a blank title') { |title| ['', 'about:blank'].include? title }
    end

    it 'should raise error when closed window is passed' do
      original_window = @session.current_window
      new_window = @session.open_new_window
      @session.switch_to_window(new_window)
      new_window.close
      @session.switch_to_window(original_window)
      expect do
        @session.switch_to_window(new_window)
      end.to raise_error(@session.driver.no_such_window_error)
    end
  end

  context 'with block' do
    before do
      @session.find(:css, '#openTwoWindows').click
      sleep(1) # wait for the windows to open
    end

    it 'should be able to switch to current window' do
      @session.switch_to_window { @session.title == 'With Windows' }
      expect(@session).to have_css('#openTwoWindows')
    end

    it 'should find the div in another window' do
      @session.switch_to_window { @session.title == 'Title of popup two' }
      expect(@session).to have_css('#divInPopupTwo')
    end

    it 'should be able to switch multiple times' do
      @session.switch_to_window { @session.title == 'Title of the first popup' }
      expect(@session).to have_css('#divInPopupOne')
      @session.switch_to_window { @session.title == 'Title of popup two' }
      expect(@session).to have_css('#divInPopupTwo')
    end

    it 'should return window' do
      window = @session.switch_to_window { @session.title == 'Title of popup two' }
      expect((@session.windows - [@window])).to include(window)
    end

    it "should raise error when invoked inside `within` as it's nonsense" do
      expect do
        @session.within(:css, '#doesNotOpenWindows') do
          @session.switch_to_window { @session.title == 'With Windows' }
        end
      end.to raise_error(Capybara::ScopeError, /`switch_to_window` is not supposed to be invoked/)
    end

    it "should raise error when invoked inside `within_frame` as it's nonsense" do
      expect do
        @session.within_frame('frameOne') do
          @session.switch_to_window { @session.title == 'With Windows' }
        end
      end.to raise_error(Capybara::ScopeError, /`switch_to_window` is not supposed to be invoked from/)
    end

    it 'should allow to be called inside within_window and within_window will still return to original' do
      other_windows = (@session.windows - [@window])
      expect(@session.current_window).to eq(@window)
      @session.within_window other_windows[0] do
        expect(@session.current_window).to eq(other_windows[0])
        @session.switch_to_window other_windows[1]
        expect(@session.current_window).to eq(other_windows[1])
      end
      expect(@session.current_window).to eq(@window)
    end

    it "should raise error if window matching block wasn't found" do
      original = @session.current_window
      expect do
        @session.switch_to_window { @session.title == 'A title' }
      end.to raise_error(Capybara::WindowError, 'Could not find a window matching block/lambda')
      expect(@session.current_window).to eq(original)
    end

    it 'should switch to original window if error is raised inside block' do
      original = @session.switch_to_window(@session.windows[1])
      expect do
        @session.switch_to_window { raise 'error' }
      end.to raise_error(StandardError, 'error')
      expect(@session.current_window).to eq(original)
    end
  end

  it 'should wait for window to appear' do
    @session.find(:css, '#openWindowWithTimeout').click
    expect do
      @session.switch_to_window(wait: 5) { @session.title == 'Title of the first popup' }
    end.not_to raise_error
  end
end
