# frozen_string_literal: true

require 'rails_helper'

RSpec.describe TranslateStatusService do
  subject(:service) { described_class.new }

  let(:status) { Fabricate(:status, text: text, spoiler_text: spoiler_text, language: 'en', preloadable_poll: poll, media_attachments: media_attachments) }
  let(:text) { 'Hello' }
  let(:spoiler_text) { '' }
  let(:poll) { nil }
  let(:media_attachments) { [] }

  before do
    Fabricate(:custom_emoji, shortcode: 'highfive')
  end

  describe '#call' do
    before do
      translation_service = TranslationService.new
      allow(translation_service).to receive(:languages).and_return({ 'en' => ['es'] })
      allow(translation_service).to receive(:translate) do |texts|
        texts.map do |text|
          TranslationService::Translation.new(
            text: text.gsub('Hello', 'Hola').gsub('higfive', 'cincoaltos'),
            detected_source_language: 'en',
            provider: 'Dummy'
          )
        end
      end

      allow(TranslationService).to receive_messages(configured?: true, configured: translation_service)
    end

    it 'returns translated status content' do
      expect(service.call(status, nil, 'es').content).to eq '<p>Hola</p>'
    end

    it 'returns source language' do
      expect(service.call(status, nil, 'es').detected_source_language).to eq 'en'
    end

    it 'returns translation provider' do
      expect(service.call(status, nil, 'es').provider).to eq 'Dummy'
    end

    it 'returns original status' do
      expect(service.call(status, nil, 'es').status).to eq status
    end

    describe 'status has content with custom emoji' do
      let(:text) { 'Hello & :highfive:' }

      it 'does not translate shortcode' do
        expect(service.call(status, nil, 'es').content).to eq '<p>Hola &amp; :highfive:</p>'
      end
    end

    describe 'status has no spoiler_text' do
      it 'returns an empty string' do
        expect(service.call(status, nil, 'es').spoiler_text).to eq ''
      end
    end

    describe 'status has spoiler_text' do
      let(:spoiler_text) { 'Hello & Hello!' }

      it 'translates the spoiler text' do
        expect(service.call(status, nil, 'es').spoiler_text).to eq 'Hola & Hola!'
      end
    end

    describe 'status has spoiler_text with custom emoji' do
      let(:spoiler_text) { 'Hello :highfive:' }

      it 'does not translate shortcode' do
        expect(service.call(status, nil, 'es').spoiler_text).to eq 'Hola :highfive:'
      end
    end

    describe 'status has spoiler_text with unmatched custom emoji' do
      let(:spoiler_text) { 'Hello :Hello:' }

      it 'translates the invalid shortcode' do
        expect(service.call(status, nil, 'es').spoiler_text).to eq 'Hola :Hola:'
      end
    end

    describe 'status has poll' do
      let(:poll) { Fabricate(:poll, options: ['Hello 1', 'Hello 2']) }

      it 'translates the poll option title' do
        status_translation = service.call(status, nil, 'es')
        expect(status_translation.poll_options.size).to eq 2
        expect(status_translation.poll_options.first.title).to eq 'Hola 1'
      end
    end

    describe 'status has media attachment' do
      let(:media_attachments) { [Fabricate(:media_attachment, description: 'Hello & :highfive:')] }

      it 'translates the media attachment description' do
        status_translation = service.call(status, nil, 'es')

        media_attachment = status_translation.media_attachments.first
        expect(media_attachment.id).to eq media_attachments.first.id
        expect(media_attachment.description).to eq 'Hola & :highfive:'
      end
    end
  end

  describe '#source_texts' do
    before do
      service.instance_variable_set(:@status, status)
    end

    describe 'status only has content' do
      it 'returns formatted content' do
        expect(service.send(:source_texts)).to eq({ content: '<p>Hello</p>' })
      end
    end

    describe 'status content contains custom emoji' do
      let(:status) { Fabricate(:status, text: 'Hello :highfive:') }

      it 'returns formatted content' do
        source_texts = service.send(:source_texts)
        expect(source_texts[:content]).to eq '<p>Hello <span translate="no">:highfive:</span></p>'
      end
    end

    describe 'status content contains tags' do
      let(:status) { Fabricate(:status, text: 'Hello #hola') }

      it 'returns formatted content' do
        source_texts = service.send(:source_texts)
        expect(source_texts[:content]).to include '<p>Hello <a'
        expect(source_texts[:content]).to include '/tags/hola'
      end
    end

    describe 'status has spoiler text' do
      let(:status) { Fabricate(:status, spoiler_text: 'Hello :highfive:') }

      it 'returns formatted spoiler text' do
        source_texts = service.send(:source_texts)
        expect(source_texts[:spoiler_text]).to eq 'Hello <span translate="no">:highfive:</span>'
      end
    end

    describe 'status has poll' do
      let(:poll) { Fabricate(:poll, options: %w(Blue Green)) }

      context 'with source texts from the service' do
        let!(:source_texts) { service.send(:source_texts) }

        it 'returns formatted poll options' do
          expect(source_texts.size).to eq 3
          expect(source_texts.values).to eq %w(<p>Hello</p> Blue Green)
        end

        it 'has a first key with content' do
          expect(source_texts.keys.first).to eq :content
        end

        it 'has the first option in the second key with correct options' do
          option1 = source_texts.keys.second
          expect(option1).to be_a Poll::Option
          expect(option1.id).to eq '0'
          expect(option1.title).to eq 'Blue'
        end

        it 'has the second option in the third key with correct options' do
          option2 = source_texts.keys.third
          expect(option2).to be_a Poll::Option
          expect(option2.id).to eq '1'
          expect(option2.title).to eq 'Green'
        end
      end
    end

    describe 'status has poll with custom emoji' do
      let(:poll) { Fabricate(:poll, options: ['Blue', 'Green :highfive:']) }

      it 'returns formatted poll options' do
        html = service.send(:source_texts).values.last
        expect(html).to eq 'Green <span translate="no">:highfive:</span>'
      end
    end

    describe 'status has media attachments' do
      let(:text) { '' }
      let(:media_attachments) { [Fabricate(:media_attachment, description: 'Hello :highfive:')] }

      it 'returns media attachments without custom emoji rendering' do
        source_texts = service.send(:source_texts)
        expect(source_texts.size).to eq 1

        key, text = source_texts.first
        expect(key).to eq media_attachments.first
        expect(text).to eq 'Hello :highfive:'
      end
    end
  end

  describe '#wrap_emoji_shortcodes' do
    before do
      service.instance_variable_set(:@status, status)
    end

    describe 'string contains custom emoji' do
      let(:text) { ':highfive:' }

      it 'renders the emoji' do
        html = service.send(:wrap_emoji_shortcodes, 'Hello :highfive:'.html_safe)
        expect(html).to eq 'Hello <span translate="no">:highfive:</span>'
      end
    end
  end

  describe '#unwrap_emoji_shortcodes' do
    describe 'string contains custom emoji' do
      it 'inserts the shortcode' do
        fragment = service.send(:unwrap_emoji_shortcodes, '<p>Hello <span translate="no">:highfive:</span>!</p>')
        expect(fragment.to_html).to eq '<p>Hello :highfive:!</p>'
      end

      it 'preserves other attributes than translate=no' do
        fragment = service.send(:unwrap_emoji_shortcodes, '<p>Hello <span translate="no" class="foo">:highfive:</span>!</p>')
        expect(fragment.to_html).to eq '<p>Hello <span class="foo">:highfive:</span>!</p>'
      end
    end
  end
end