# frozen_string_literal: true

return if helper.stable_branch?

data_testids = /testid/

deprecated_qa_selectors = /(?=qa_selector|data-qa-selector)|(?!.*\bdata-qa-)(?=class=.*qa-.*|class: .*qa-.*)/

def filter_changed_lines(files, pattern)
  files_with_lines = {}
  files.each do |file|
    next if file.start_with?('spec/', 'ee/spec/', 'qa/')

    testid_changed_lines = helper.changed_lines(file).select { |line| line =~ pattern }
    next unless testid_changed_lines.any?

    files_with_lines[file] = testid_changed_lines
  end

  files_with_lines
end

changed_code_files = helper.changed_files(/\.(vue|haml|js|rb)$/)

return if changed_code_files.empty?

lines_with_testids  = filter_changed_lines(changed_code_files, data_testids)
deprecated_qa_class = filter_changed_lines(changed_code_files, deprecated_qa_selectors)

return if lines_with_testids.empty? && deprecated_qa_class.empty?

if lines_with_testids.any?
  markdown(<<~MARKDOWN)
    ### `testid` selectors

    The following changed lines in this MR contain `testid` selectors:

  MARKDOWN

  lines_with_testids.each do |file, lines|
    markdown(<<~MARKDOWN)
      #### `#{file}`

      ```shell
      #{lines.join("\n")}
      ```

    MARKDOWN
  end

  markdown(<<~MARKDOWN)
    If the `e2e:test-on-omnibus-ee` job in the `qa` stage has run automatically, please ensure the tests are passing.
    If the job has not run, please start the `manual:e2e-test-pipeline-generate` job in the `prepare` stage and ensure the tests in `follow-up:e2e:test-on-omnibus-ee` pipeline are passing.

    For the list of known failures please refer to [the latest pipeline triage issue](https://gitlab.com/gitlab-org/quality/pipeline-triage/-/issues).

    If your changes are under a feature flag, please check our [Testing with feature flags](https://docs.gitlab.com/development/testing_guide/end_to_end/feature_flags/#automatic-test-execution-when-a-feature-flag-definition-changes) documentation for instructions.

  MARKDOWN

  warn "This merge request contains lines with testid selectors. Please ensure `e2e:test-on-omnibus-ee` job is run."
end

if deprecated_qa_class.any?
  markdown(<<~MARKDOWN)
    ### Deprecated `data-qa-selector` selectors

  MARKDOWN

  markdown(<<~MARKDOWN)
    The following lines in this MR contain deprecated `data-qa-selector` selectors:

  MARKDOWN

  deprecated_qa_class.each do |file, lines|
    markdown(<<~MARKDOWN)
      #### `#{file}`

      ```shell
      #{lines.join("\n")}
      ```

    MARKDOWN
  end

  markdown(<<~MARKDOWN)
    Please ensure all deprecated data-qa-selector attributes are replaced with data-testid attributes in accordance with our [Testing Guide](https://docs.gitlab.com/development/testing_guide/end_to_end/page_objects/#data-testid-vs-data-qa-selector).

  MARKDOWN

  warn "This merge request contains deprecated data-qa-selector attribute. Please use data-testid attribute instead."
end
