require "spec_helper"

describe "User adds a comment on a commit", :js do
  include Spec::Support::Helpers::Features::NotesHelpers
  include RepoHelpers

  let(:comment_text) { "XML attached" }
  let(:another_comment_text) { "SVG attached" }
  let(:project) { create(:project, :repository) }
  let(:user) { create(:user) }

  before do
    sign_in(user)
    project.add_developer(user)
  end

  context "inline view" do
    before do
      visit(project_commit_path(project, sample_commit.id))
    end

    it "adds a comment" do
      page.within(".js-main-target-form") do
        expect(page).not_to have_link("Cancel")

        emoji = ":+1:"

        fill_in("note[note]", with: "#{comment_text} #{emoji}")

        # Check on `Preview` tab
        click_button("Preview")

        expect(find(".js-md-preview")).to have_content(comment_text).and have_css("gl-emoji")
        expect(page).not_to have_css(".js-note-text")

        # Check on the `Write` tab
        click_button("Write")

        expect(page).to have_field("note[note]", with: "#{comment_text} #{emoji}")

        # Submit comment from the `Preview` tab to get rid of a separate `it` block
        # which would specially tests if everything gets cleared from the note form.
        click_button("Preview")
        click_button("Comment")
      end

      wait_for_requests

      page.within(".note") do
        expect(page).to have_content(comment_text).and have_css("gl-emoji")
      end

      page.within(".js-main-target-form") do
        expect(page).to have_field("note[note]", with: "").and have_no_css(".js-md-preview")
      end
    end

    context "when commenting on diff" do
      it "adds a comment" do
        page.within(".diff-file:nth-of-type(1)") do
          # Open a form for a comment and check UI elements are visible and acting as expecting.
          click_diff_line(sample_commit.line_code)

          expect(page).to have_css(".js-temp-notes-holder form.new-note")
                    .and have_css(".js-close-discussion-note-form", text: "Cancel")

          # The `Cancel` button closes the current form. The page should not have any open forms after that.
          find(".js-close-discussion-note-form").click

          expect(page).not_to have_css("form.new_note")

          # Try to open the same form twice. There should be only one form opened.
          click_diff_line(sample_commit.line_code)
          click_diff_line(sample_commit.line_code)

          expect(page).to have_css("form.new-note", count: 1)

          # Fill in a form.
          page.within("form[data-line-code='#{sample_commit.line_code}']") do
            fill_in("note[note]", with: "#{comment_text} :smile:")
          end

          # Open another form and check we have two forms now (because the first one is filled in).
          click_diff_line(sample_commit.del_line_code)

          expect(page).to have_field("note[note]", with: "#{comment_text} :smile:")
                    .and have_field("note[note]", with: "")

          # Test Preview feature for both forms.
          page.within("form[data-line-code='#{sample_commit.line_code}']") do
            click_button("Preview")
          end

          page.within("form[data-line-code='#{sample_commit.del_line_code}']") do
            fill_in("note[note]", with: another_comment_text)

            click_button("Preview")
          end

          expect(page).to have_css(".js-md-preview", visible: true, count: 2)
                    .and have_content(comment_text)
                    .and have_content(another_comment_text)
                    .and have_xpath("//gl-emoji[@data-name='smile']")

          # Test UI elements, then submit.
          page.within("form[data-line-code='#{sample_commit.line_code}']") do
            expect(find(".js-note-text", visible: false).text).to eq("")
            expect(page).to have_css('.js-md-write-button')

            click_button("Comment")
          end

          expect(page).to have_button("Reply...").and have_no_css("form.new_note")
        end

        # A comment should be added and visible.
        page.within(".diff-file:nth-of-type(1) .note") do
          expect(page).to have_content(comment_text).and have_xpath("//gl-emoji[@data-name='smile']")
        end
      end
    end
  end

  context "side-by-side view" do
    before do
      visit(project_commit_path(project, sample_commit.id, view: "parallel"))
    end

    it "adds a comment" do
      new_comment = "New comment"
      old_comment = "Old comment"

      # Left side.
      click_parallel_diff_line(sample_commit.del_line_code)

      page.within(".diff-file:nth-of-type(1) form[data-line-code='#{sample_commit.del_line_code}']") do
        fill_in("note[note]", with: old_comment)
        click_button("Comment")
      end

      page.within(".diff-file:nth-of-type(1) .notes_content.parallel.old") do
        expect(page).to have_content(old_comment)
      end

      # Right side.
      click_parallel_diff_line(sample_commit.line_code)

      page.within(".diff-file:nth-of-type(1) form[data-line-code='#{sample_commit.line_code}']") do
        fill_in("note[note]", with: new_comment)
        click_button("Comment")
      end

      wait_for_requests

      expect(all(".diff-file:nth-of-type(1) .notes_content.parallel.new")[1].text).to have_content(new_comment)
    end
  end

  private

  def click_diff_line(line)
    find(".line_holder[id='#{line}'] td:nth-of-type(1)").hover
    find(".line_holder[id='#{line}'] button").click
  end

  def click_parallel_diff_line(line)
    find(".line_holder.parallel td[id='#{line}']").find(:xpath, 'preceding-sibling::*[1][self::td]').hover
    find(".line_holder.parallel button[data-line-code='#{line}']").click
  end
end