# frozen_string_literal: true

require 'test_helper'

class PackagesControllerTest < ActionController::TestCase
  test 'should get index and contain dummy package-4' do
    get :grid
    assert_response :success
    assert_select 'div', 'package-4'
  end

  test 'should get list view with_screenshots and find Firefox' do
    # package = Package.create!(name: 'firefox', description: 'A web browser.')
    # Screenshot.create!(package: package, approved: true, hidden: false)

    # get :list, params: { show: 'with' }
    # assert_response :success
    # assert_select 'div', 'A web browser.'

    get :list, params: { show: 'with' }
    assert_response :success
    assert_select 'div', 'A program to browse web sites.'
  end

  test 'exact package name search wins without calling the vector service' do
    with_stubbed_method(Package, :nearest_to_text,
                        ->(_text) { flunk 'should not call vector search' }) do
      get :grid, params: { search: 'vim', show_sources: '1' }
      assert_response :success
      assert_select 'div', 'vim'
      assert_equal({ packages(:vim).id => :exact }, assigns(:search_sources))
      assert_select '.search-source .label', 'exact match'
    end
  end

  test 'gibberish search shows no results and never calls the vector service' do
    with_stubbed_method(Package, :nearest_to_text,
                        ->(_text) { flunk 'should not call vector search' }) do
      get :grid, params: { search: 'asdfgh zzzz' }
      assert_response :success
      # the grid renders every package in the database when no search
      # filter applies - so an empty result must not fall back to that
      assert_select 'div', text: /package-\d+/, count: 0
      assert_empty assigns(:search_sources)
    end
  end

  test 'name prefix matches rank above semantic results' do
    with_stubbed_method(Package, :nearest_to_text,
                        ->(_text, **_opts) { Package.where(name: packages(:vim).name) }) do
      get :grid, params: { search: 'package' }
      assert_response :success
      # fixtures create package-0..package-99 - prefix hits must render
      assert_select 'div', 'package-0'
      # ...and before any semantically found package
      assert response.body.index('package-0') < response.body.index('vim')
      sources = assigns(:search_sources)
      assert_equal :name_prefix, sources[Package.find_by(name: 'package-0').id]
      assert_equal :semantic, sources[packages(:vim).id]
    end
  end

  test 'prefix matches and semantic results are deduplicated' do
    with_stubbed_method(Package, :nearest_to_text,
                        ->(_text, **_opts) { Package.where(name: packages(:firefox).name) }) do
      get :grid, params: { search: 'fire' }
      assert_response :success
      assert_select 'div', text: 'firefox', count: 1
      # the higher tier wins the attribution
      assert_equal :name_prefix, assigns(:search_sources)[packages(:firefox).id]
    end
  end

  test 'compound words in search match packages with joined names' do
    # "fire fox" should find "firefox" via name substring matching
    with_stubbed_method(Package, :nearest_to_text,
                        ->(_text, **_opts) { Package.none }) do
      get :grid, params: { search: 'fire fox', show_sources: '1' }
      assert_response :success
      assert_select 'div', text: 'firefox', count: 1
      assert_equal({ packages(:firefox).id => :name_contains },
                   assigns(:search_sources))
      assert_select '.search-source .label', 'name match'
    end
  end

  test 'search source badges stay hidden without show_sources param' do
    with_stubbed_method(Package, :nearest_to_text,
                        ->(_text, **_opts) { Package.none }) do
      get :grid, params: { search: 'fire fox' }
      assert_response :success
      assert_select '.search-source', count: 0
    end
  end

  test 'details shows semantically related packages' do
    packages(:vim).update_column(:embedding, Array.new(384, 0.25))
    packages(:firefox).update_column(:embedding, Array.new(384, 0.75))

    get :details, params: { name: 'vim' }
    assert_response :success
    assert_select '#related .pkgname', text: 'firefox'
  end

  test 'details without embedding renders no related section' do
    get :details, params: { name: 'vim' }
    assert_response :success
    assert_select '#related', count: 0
  end

  test 'search uses semantic (vector) results' do
    relation = Package.where(name: packages(:vim).name)
    with_stubbed_method(Package, :nearest_to_text, ->(_text, **_opts) { relation }) do
      get :grid, params: { search: 'editor' }
      assert_response :success
      assert_select 'div', 'vim'
      assert_equal({ packages(:vim).id => :semantic }, assigns(:search_sources))
    end
  end

  # There is deliberately no fallback for an empty vector search
  # result: KNN always returns something as long as packages have
  # embeddings. Full-text search is only used when the vector service
  # cannot be reached.

  test 'search falls back to full-text search when vector service fails' do
    with_stubbed_method(Vectorizer, :embed,
                        ->(_text) { raise Vectorizer::Error, 'service down' }) do
      get :grid, params: { search: 'editor' }
      assert_response :success
      assert_select 'div', 'vim'
      assert flash[:error].present?
      assert_equal({ packages(:vim).id => :fulltext }, assigns(:search_sources))
    end
  end

  # test 'should get thumbnail for a package and a desired version' do
  #   # get '/thumbnail-with-version/package-5/0.1'
  #   get thumbnail_with_version_url('package-5', '0.1')
  # end

  # test 'should get without_screenshots' do
  #   get :without_screenshots
  #   assert_response :success
  # end

  # test "should get moderate" do
  #   get :moderate
  #   assert_response :success
  # end

  # test "upload screenshot anonymously then login and get screenshots assigned" do
  #   newest_screenshot1 = Package.find_by_name(:firefox).screenshots.order(id: :desc).first

  #   # Load the upload page
  #   get :upload, params: { name: 'firefox' }
  #   assert_response :success

  #   # Upload a screenshot and expect to be redirected afterwards
  #   post :upload_receive, params: { name: 'firefox', file: [ fixture_file_upload('test/fixtures/files/large1.png','image/png') ] }
  #   assert_redirected_to package_path(name: 'firefox')

  #   # Check that the newest screenshot is not yet approved
  #   newest_screenshot2 = Package.find_by_name(:firefox).screenshots.order(id: :desc).first
  #   assert_not_equal newest_screenshot1, newest_screenshot2
  #   assert_equal newest_screenshot2.approved, false

  #   # Login
  #   sign_in users(:normal)

  #   # Get the information about the newest screenshot again
  #   newest_screenshot2 = Package.find_by_name(:firefox).screenshots.order(id: :desc).first

  #   # Expect the uploaded screenshot to be assigned to this user
  #   byebug
  #   assert_equal newest_screenshot2.user, users(:normal)

  #   # (name: 'firefox')
  #   # img_count_before = page.find_all('img').count
  #   # attach_file 'file[]', Rails.root.join('test/fixtures/files/large1.png')
  #   # click_on 'Start upload'

  #   # # The cookie session must remember this anonymous upload
  #   # newest_screenshot = Package.find_by_name(:firefox).screenshots.order(id: :desc).first
  #   # assert_equal session[:uploaded_screenshots].length, [newest_screenshot]

  #   # #
  #   # # sign_in users(:debian)

  #   # # # Screenshot is instantly public
  #   # # newest_screenshot = Package.find_by_name(:firefox).screenshots.order(id: :desc).first
  #   # # assert_equal newest_screenshot.approved, true

  #   # # # Clean up
  #   # newest_screenshot.destroy
  #   # sign_out users(:normal)
  # end
end