# frozen_string_literal: true

require 'spec_helper'

RSpec.describe 'Projects > Files > User creates files', :js, feature_category: :source_code_management do
  include Features::SourceEditorSpecHelpers
  include Features::BlobSpecHelpers

  let(:fork_message) do
    "You're not allowed to make changes to this project directly. "\
    "A fork of this project has been created that you can make changes in, so you can submit a merge request."
  end

  let(:project) { create(:project, :repository, name: 'Shop') }
  let(:project2) { create(:project, :repository, name: 'Another Project', path: 'another-project') }
  let(:project_tree_path_root_ref) { project_tree_path(project, project.repository.root_ref) }
  let(:project2_tree_path_root_ref) { project_tree_path(project2, project2.repository.root_ref) }
  let(:user) { create(:user) }

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

  context 'without committing a new file' do
    context 'when an user has write access' do
      before do
        visit(project_tree_path_root_ref)
      end

      it 'opens new file page' do
        find('.add-to-tree').click
        click_link('New file')

        expect(page).to have_content('New file')
        expect(page).to have_content('Commit message')
      end
    end

    context 'when an user does not have write access' do
      before do
        project2.add_reporter(user)
        visit(project2_tree_path_root_ref)
      end

      it 'opens new file page on a forked project', :sidekiq_might_not_need_inline do
        find('.add-to-tree').click
        click_link('New file')

        expect(page).to have_selector('.file-editor')
        expect(page).to have_content(fork_message)
        expect(page).to have_content('New file')
        expect(page).to have_content('Commit message')
      end
    end
  end

  context 'with committing a new file' do
    let(:file_name) { 'a_file.md' }
    let(:file_content) { 'some file content' }
    let(:can_submit_mr_content) { 'You can now submit a merge request to get this change into the original branch.' }

    context 'when an user has write access' do
      let(:branch_name) { 'new_branch_name' }

      before do
        visit(project_tree_path_root_ref)

        find('.add-to-tree').click
        click_link('New file')
        expect(page).to have_selector('.file-editor')
      end

      it 'shows full path instead of ref when creating a file' do
        expect(page).to have_selector('#editor_path')
        expect(page).not_to have_selector('#editor_ref')
      end

      def submit_new_file(options)
        file_name = find('#file_name')
        file_name.set options[:file_name] || 'README.md'

        find('.monaco-editor textarea').send_keys.native.send_keys options[:file_content] || 'Some content'

        click_button 'Commit changes'
      end

      it 'allows Chinese characters in file name' do
        submit_new_file(file_name: '测试.md')
        expect(page).to have_content 'The file has been successfully created.'
      end

      it 'allows Chinese characters in directory name' do
        submit_new_file(file_name: '中文/测试.md')
        expect(page).to have_content 'The file has been successfully created'
      end

      it 'does not allow directory traversal in file name' do
        submit_new_file(file_name: '../README.md')
        expect(page).to have_content 'Path cannot include directory traversal'
      end

      it 'creates and commits a new file' do
        editor_set_value(file_content)
        fill_in(:file_name, with: file_name)
        fill_in(:commit_message, with: 'New commit message', visible: true)

        click_button('Commit changes')

        new_file_path = project_blob_path(project, "master/#{file_name}")

        expect(page).to have_current_path(new_file_path, ignore_query: true)

        wait_for_requests

        expect(page).to have_content(file_content)
      end

      it 'creates and commits a new file with new lines at the end of file' do
        editor_set_value('Sample\n\n\n')
        fill_in(:file_name, with: file_name)
        fill_in(:commit_message, with: 'New commit message', visible: true)

        click_button('Commit changes')

        new_file_path = project_blob_path(project, "master/#{file_name}")

        expect(page).to have_current_path(new_file_path, ignore_query: true)

        edit_in_single_file_editor

        expect(find('.monaco-editor')).to have_content('Sample\n\n\n')
      end

      it 'creates and commits a new file with a directory name' do
        fill_in(:file_name, with: 'foo/bar/baz.txt')

        expect(page).to have_selector('.file-editor')

        editor_set_value(file_content)
        fill_in(:commit_message, with: 'New commit message', visible: true)

        click_button('Commit changes')

        expect(page).to have_current_path(project_blob_path(project, 'master/foo/bar/baz.txt'), ignore_query: true)

        wait_for_requests

        expect(page).to have_content(file_content)
      end

      context 'when not creating a new MR' do
        it 'creates and commits a new file specifying a new branch' do
          expect(page).to have_selector('.file-editor')

          editor_set_value(file_content)
          fill_in(:file_name, with: file_name)
          fill_in(:commit_message, with: 'New commit message', visible: true)
          fill_in(:branch_name, with: branch_name, visible: true)
          find_field('Start a new merge request with these changes').uncheck

          click_button('Commit changes')

          new_file_path = project_blob_path(project, "#{branch_name}/#{file_name}")

          expect(page).to have_current_path(new_file_path)

          wait_for_requests

          expect(page).not_to have_content(can_submit_mr_content)
        end
      end

      context 'when creating a new MR' do
        it 'creates and commits a new file specifying a new branch and creates an MR' do
          expect(page).to have_selector('.file-editor')

          editor_set_value(file_content)
          fill_in(:file_name, with: file_name)
          fill_in(:commit_message, with: 'New commit message', visible: true)
          fill_in(:branch_name, with: branch_name, visible: true)

          click_button('Commit changes')

          expect(page).to have_current_path(project_new_merge_request_path(project), ignore_query: true)

          click_link('Changes')

          wait_for_requests

          expect(page).to have_content(can_submit_mr_content)
        end
      end
    end

    context 'when an user does not have write access', :sidekiq_might_not_need_inline do
      before do
        project2.add_reporter(user)
        visit(project2_tree_path_root_ref)

        find('.add-to-tree').click
        click_link('New file')
      end

      it 'shows a message saying the file will be committed in a fork' do
        message = "GitLab will create a branch in your fork and start a merge request."

        expect(page).to have_content(message)
      end

      it 'creates and commits a new file in forked project' do
        expect(page).to have_selector('.file-editor')

        editor_set_value(file_content)

        fill_in(:file_name, with: file_name)
        fill_in(:commit_message, with: 'New commit message', visible: true)
        click_button('Commit changes')

        fork = user.fork_of(project2.reload)

        expect(page).to have_current_path(project_new_merge_request_path(fork), ignore_query: true)
        expect(page).to have_content('New commit message')
      end
    end
  end
end