require 'rails_helper'

describe Telegram::IncomingMessageService do
  before do
    stub_request(:any, /api.telegram.org/).to_return(headers: { content_type: 'application/json' }, body: {}.to_json, status: 200)
    stub_request(:get, 'https://chatwoot-assets.local/sample.png').to_return(
      status: 200,
      body: File.read('spec/assets/sample.png'),
      headers: {}
    )
    stub_request(:get, 'https://chatwoot-assets.local/sample.mov').to_return(
      status: 200,
      body: File.read('spec/assets/sample.mov'),
      headers: {}
    )
    stub_request(:get, 'https://chatwoot-assets.local/sample.mp3').to_return(
      status: 200,
      body: File.read('spec/assets/sample.mp3'),
      headers: {}
    )
    stub_request(:get, 'https://chatwoot-assets.local/sample.ogg').to_return(
      status: 200,
      body: File.read('spec/assets/sample.ogg'),
      headers: {}
    )
    stub_request(:get, 'https://chatwoot-assets.local/sample.pdf').to_return(
      status: 200,
      body: File.read('spec/assets/sample.pdf'),
      headers: {}
    )
  end

  let!(:telegram_channel) { create(:channel_telegram) }
  let!(:message_params) do
    {
      'message_id' => 1,
      'from' => {
        'id' => 23, 'is_bot' => false, 'first_name' => 'Sojan', 'last_name' => 'Jose', 'username' => 'sojan', 'language_code' => 'en'
      },
      'chat' => { 'id' => 23, 'first_name' => 'Sojan', 'last_name' => 'Jose', 'username' => 'sojan', 'type' => 'private' },
      'date' => 1_631_132_077
    }
  end

  describe '#perform' do
    context 'when valid text message params' do
      it 'creates appropriate conversations, message and contacts' do
        params = {
          'update_id' => 2_342_342_343_242,
          'message' => { 'text' => 'test' }.merge(message_params)
        }.with_indifferent_access
        described_class.new(inbox: telegram_channel.inbox, params: params).perform
        expect(telegram_channel.inbox.conversations.count).not_to eq(0)
        expect(Contact.all.first.name).to eq('Sojan Jose')
        expect(telegram_channel.inbox.messages.first.content).to eq('test')
      end
    end

    context 'when valid caption params' do
      it 'creates appropriate conversations, message and contacts' do
        params = {
          'update_id' => 2_342_342_343_242,
          'message' => { 'caption' => 'test' }.merge(message_params)
        }.with_indifferent_access
        described_class.new(inbox: telegram_channel.inbox, params: params).perform
        expect(telegram_channel.inbox.conversations.count).not_to eq(0)
        expect(Contact.all.first.name).to eq('Sojan Jose')
        expect(Contact.all.first.additional_attributes['social_telegram_user_id']).to eq(23)
        expect(Contact.all.first.additional_attributes['social_telegram_user_name']).to eq('sojan')
        expect(telegram_channel.inbox.messages.first.content).to eq('test')
      end
    end

    context 'when group messages' do
      it 'doesnot create conversations, message and contacts' do
        params = {
          'update_id' => 2_342_342_343_242,
          'message' => {
            'message_id' => 1,
            'from' => {
              'id' => 23, 'is_bot' => false, 'first_name' => 'Sojan', 'last_name' => 'Jose', 'username' => 'sojan', 'language_code' => 'en'
            },
            'chat' => { 'id' => 23, 'first_name' => 'Sojan', 'last_name' => 'Jose', 'username' => 'sojan', 'type' => 'group' },
            'date' => 1_631_132_077, 'text' => 'test'
          }
        }.with_indifferent_access
        described_class.new(inbox: telegram_channel.inbox, params: params).perform
        expect(telegram_channel.inbox.conversations.count).to eq(0)
      end
    end

    context 'when business connection messages' do
      subject do
        described_class.new(inbox: telegram_channel.inbox, params: params).perform
      end

      let(:business_message_params) { message_params.merge('business_connection_id' => 'eooW3KF5WB5HxTD7T826') }
      let(:params) do
        {
          'update_id' => 2_342_342_343_242,
          'business_message' => { 'text' => 'test' }.deep_merge(business_message_params)
        }.with_indifferent_access
      end

      it 'creates appropriate conversations, message and contacts' do
        subject
        expect(telegram_channel.inbox.conversations.count).not_to eq(0)
        expect(telegram_channel.inbox.conversations.last.additional_attributes).to include({ 'chat_id' => 23,
                                                                                             'business_connection_id' => 'eooW3KF5WB5HxTD7T826' })
        contact = Contact.all.first
        expect(contact.name).to eq('Sojan Jose')
        expect(contact.additional_attributes['language_code']).to eq('en')
        message = telegram_channel.inbox.messages.first
        expect(message.content).to eq('test')
        expect(message.message_type).to eq('incoming')
        expect(message.sender).to eq(contact)
      end

      context 'when sender is your business account' do
        let(:business_message_params) do
          message_params.merge(
            'business_connection_id' => 'eooW3KF5WB5HxTD7T826',
            'from' => {
              'id' => 42, 'is_bot' => false, 'first_name' => 'John', 'last_name' => 'Doe', 'username' => 'johndoe', 'language_code' => 'en'
            }
          )
        end

        it 'creates appropriate conversations, message and contacts' do
          subject
          expect(telegram_channel.inbox.conversations.count).not_to eq(0)
          expect(telegram_channel.inbox.conversations.last.additional_attributes).to include({ 'chat_id' => 23,
                                                                                               'business_connection_id' => 'eooW3KF5WB5HxTD7T826' })
          contact = Contact.all.first
          expect(contact.name).to eq('Sojan Jose')
          # TODO: The language code is not present when we send the first message to the client.
          # Should we update it when the user replies?
          expect(contact.additional_attributes['language_code']).to be_nil
          message = telegram_channel.inbox.messages.first
          expect(message.content).to eq('test')
          expect(message.message_type).to eq('outgoing')
          expect(message.sender).to be_nil
        end
      end
    end

    context 'when valid audio messages params' do
      it 'creates appropriate conversations, message and contacts' do
        allow(telegram_channel.inbox.channel).to receive(:get_telegram_file_path).and_return('https://chatwoot-assets.local/sample.mp3')
        params = {
          'update_id' => 2_342_342_343_242,
          'message' => {
            'audio' => {
              'file_id' => 'AwADBAADbXXXXXXXXXXXGBdhD2l6_XX',
              'duration' => 243,
              'mime_type' => 'audio/mpeg',
              'file_size' => 3_897_500,
              'title' => 'Test music file'
            }
          }.merge(message_params)
        }.with_indifferent_access
        described_class.new(inbox: telegram_channel.inbox, params: params).perform
        expect(telegram_channel.inbox.conversations.count).not_to eq(0)
        expect(Contact.all.first.name).to eq('Sojan Jose')
        expect(Contact.all.first.additional_attributes['social_telegram_user_id']).to eq(23)
        expect(Contact.all.first.additional_attributes['social_telegram_user_name']).to eq('sojan')
        expect(telegram_channel.inbox.messages.first.attachments.first.file_type).to eq('audio')
      end
    end

    context 'when valid image attachment params' do
      it 'creates appropriate conversations, message and contacts' do
        allow(telegram_channel.inbox.channel).to receive(:get_telegram_file_path).and_return('https://chatwoot-assets.local/sample.png')
        params = {
          'update_id' => 2_342_342_343_242,
          'message' => {
            'photo' => [{
              'file_id' => 'AgACAgUAAxkBAAODYV3aGZlD6vhzKsE2WNmblsr6zKwAAi-tMRvCoeBWNQ1ENVBzJdwBAAMCAANzAAMhBA',
              'file_unique_id' => 'AQADL60xG8Kh4FZ4', 'file_size' => 1883, 'width' => 90, 'height' => 67
            }]
          }.merge(message_params)
        }.with_indifferent_access
        described_class.new(inbox: telegram_channel.inbox, params: params).perform
        expect(telegram_channel.inbox.conversations.count).not_to eq(0)
        expect(Contact.all.first.name).to eq('Sojan Jose')
        expect(telegram_channel.inbox.messages.first.attachments.first.file_type).to eq('image')
      end
    end

    context 'when valid sticker attachment params' do
      it 'creates appropriate conversations, message and contacts' do
        allow(telegram_channel.inbox.channel).to receive(:get_telegram_file_path).and_return('https://chatwoot-assets.local/sample.png')
        params = {
          'update_id' => 2_342_342_343_242,
          'message' => {
            'sticker' => {
              'emoji' => '👍', 'width' => 512, 'height' => 512, 'set_name' => 'a834556273_by_HopSins_1_anim', 'is_animated' => 1,
              'thumb' => {
                'file_id' => 'AAMCAQADGQEAA0dhXpKorj9CiRpNX3QOn7YPZ6XS4AAC4wADcVG-MexptyOf8SbfAQAHbQADIQQ',
                'file_unique_id' => 'AQAD4wADcVG-MXI', 'file_size' => 4690, 'width' => 128, 'height' => 128
              },
              'file_id' => 'CAACAgEAAxkBAANHYV6SqK4_QokaTV90Dp-2D2el0uAAAuMAA3FRvjHsabcjn_Em3yEE',
              'file_unique_id' => 'AgAD4wADcVG-MQ',
              'file_size' => 7340
            }
          }.merge(message_params)
        }.with_indifferent_access
        described_class.new(inbox: telegram_channel.inbox, params: params).perform
        expect(telegram_channel.inbox.conversations.count).not_to eq(0)
        expect(Contact.all.first.name).to eq('Sojan Jose')
        expect(telegram_channel.inbox.messages.first.attachments.first.file_type).to eq('image')
      end
    end

    context 'when valid video messages params' do
      it 'creates appropriate conversations, message and contacts' do
        allow(telegram_channel.inbox.channel).to receive(:get_telegram_file_path).and_return('https://chatwoot-assets.local/sample.mov')
        params = {
          'update_id' => 2_342_342_343_242,
          'message' => {
            'video' => {
              'duration' => 1, 'width' => 720, 'height' => 1280, 'file_name' => 'IMG_2170.MOV', 'mime_type' => 'video/mp4', 'thumb' => {
                'file_id' => 'AAMCBQADGQEAA4ZhXd78Xz6_c6gCzbdIkgGiXJcwwwACqwMAAp3x8Fbhf3EWamgCWAEAB20AAyEE', 'file_unique_id' => 'AQADqwMAAp3x8FZy',
                'file_size' => 11_462, 'width' => 180, 'height' => 320
              }, 'file_id' => 'BAACAgUAAxkBAAOGYV3e_F8-v3OoAs23SJIBolyXMMMAAqsDAAKd8fBW4X9xFmpoAlghBA', 'file_unique_id' => 'AgADqwMAAp3x8FY',
              'file_size' => 291_286
            }
          }.merge(message_params)
        }.with_indifferent_access
        described_class.new(inbox: telegram_channel.inbox, params: params).perform
        expect(telegram_channel.inbox.conversations.count).not_to eq(0)
        expect(Contact.all.first.name).to eq('Sojan Jose')
        expect(telegram_channel.inbox.messages.first.attachments.first.file_type).to eq('video')
      end
    end

    context 'when valid video_note messages params' do
      it 'creates appropriate conversations, message and contacts' do
        allow(telegram_channel.inbox.channel).to receive(:get_telegram_file_path).and_return('https://chatwoot-assets.local/sample.mov')
        params = {
          'update_id' => 2_342_342_343_242,
          'message' => {
            'video_note' => {
              'duration' => 3,
              'length' => 240,
              'thumb' => {
                'file_id' => 'AAMCBQADGQEAA4ZhXd78Xz6_c6gCzbdIkgGiXJcwwwACqwMAAp3x8Fbhf3EWamgCWAEAB20AAyEE',
                'file_unique_id' => 'AQADqwMAAp3x8FZy',
                'file_size' => 11_462,
                'width' => 240,
                'height' => 240
              },
              'file_id' => 'DQACAgUAAxkBAAIBY2FdJlhf8PC2E3IalXSvXWO5m8GBAALJAwACwqHgVhb0truM0uhwIQQ',
              'file_unique_id' => 'AgADyQMAAsKh4FY',
              'file_size' => 132_446
            }
          }.merge(message_params)
        }.with_indifferent_access
        described_class.new(inbox: telegram_channel.inbox, params: params).perform
        expect(telegram_channel.inbox.conversations.count).not_to eq(0)
        expect(Contact.all.first.name).to eq('Sojan Jose')
        expect(telegram_channel.inbox.messages.first.attachments.first.file_type).to eq('video')
      end
    end

    context 'when valid voice attachment params' do
      it 'creates appropriate conversations, message and contacts' do
        allow(telegram_channel.inbox.channel).to receive(:get_telegram_file_path).and_return('https://chatwoot-assets.local/sample.ogg')
        params = {
          'update_id' => 2_342_342_343_242,
          'message' => {
            'voice' => {
              'duration' => 2, 'mime_type' => 'audio/ogg', 'file_id' => 'AwACAgUAAxkBAANjYVwnWF_w8LYTchqVdK9dY7mbwYEAAskDAALCoeBWFvS2u4zS6HAhBA',
              'file_unique_id' => 'AgADyQMAAsKh4FY', 'file_size' => 11_833
            }
          }.merge(message_params)
        }.with_indifferent_access
        described_class.new(inbox: telegram_channel.inbox, params: params).perform
        expect(telegram_channel.inbox.conversations.count).not_to eq(0)
        expect(Contact.all.first.name).to eq('Sojan Jose')
        expect(telegram_channel.inbox.messages.first.attachments.first.file_type).to eq('audio')
      end
    end

    context 'when valid document message params' do
      it 'creates appropriate conversations, message and contacts' do
        allow(telegram_channel.inbox.channel).to receive(:get_telegram_file_path).and_return('https://chatwoot-assets.local/sample.pdf')
        params = {
          'update_id' => 2_342_342_343_242,
          'message' => {
            'document' => {
              'file_id' => 'AwADBAADbXXXXXXXXXXXGBdhD2l6_XX',
              'file_name' => 'Screenshot 2021-09-27 at 2.01.14 PM.png',
              'mime_type' => 'application/png',
              'file_size' => 536_392
            }
          }.merge(message_params)
        }.with_indifferent_access
        described_class.new(inbox: telegram_channel.inbox, params: params).perform
        expect(telegram_channel.inbox.conversations.count).not_to eq(0)
        expect(Contact.all.first.name).to eq('Sojan Jose')
        expect(telegram_channel.inbox.messages.first.attachments.first.file_type).to eq('file')
      end
    end

    context 'when the API call to get the download path returns an error' do
      it 'does not process the attachment' do
        allow(telegram_channel.inbox.channel).to receive(:get_telegram_file_path).and_return(nil)
        params = {
          'update_id' => 2_342_342_343_242,
          'message' => {
            'document' => {
              'file_id' => 'AwADBAADbXXXXXXXXXXXGBdhD2l6_XX',
              'file_name' => 'Screenshot 2021-09-27 at 2.01.14 PM.png',
              'mime_type' => 'application/png',
              'file_size' => 536_392
            }
          }.merge(message_params)
        }.with_indifferent_access

        described_class.new(inbox: telegram_channel.inbox, params: params).perform
        expect(telegram_channel.inbox.messages.first.attachments.count).to eq(0)
      end
    end

    context 'when valid location message params' do
      it 'creates appropriate conversations, message and contacts' do
        params = {
          'update_id' => 2_342_342_343_242,
          'message' => {
            'location': {
              'latitude': 37.7893768,
              'longitude': -122.3895553
            }
          }.merge(message_params)
        }.with_indifferent_access
        described_class.new(inbox: telegram_channel.inbox, params: params).perform
        expect(telegram_channel.inbox.conversations.count).not_to eq(0)
        expect(Contact.all.first.name).to eq('Sojan Jose')
        expect(telegram_channel.inbox.messages.first.attachments.first.file_type).to eq('location')
      end

      it 'creates appropriate conversations, message and contacts if venue is present' do
        params = {
          'update_id' => 2_342_342_343_242,
          'message' => {
            'location': {
              'latitude': 37.7893768,
              'longitude': -122.3895553
            },
            venue: {
              title: 'San Francisco'
            }
          }.merge(message_params)
        }.with_indifferent_access
        described_class.new(inbox: telegram_channel.inbox, params: params).perform
        expect(telegram_channel.inbox.conversations.count).not_to eq(0)
        expect(Contact.all.first.name).to eq('Sojan Jose')

        attachment = telegram_channel.inbox.messages.first.attachments.first
        expect(attachment.file_type).to eq('location')
        expect(attachment.coordinates_lat).to eq(37.7893768)
        expect(attachment.coordinates_long).to eq(-122.3895553)
        expect(attachment.fallback_title).to eq('San Francisco')
      end
    end

    context 'when valid callback_query params' do
      it 'creates appropriate conversations, message and contacts' do
        params = {
          'update_id' => 2_342_342_343_242,
          'callback_query' => {
            'id' => '2342342309929423',
            'from' => {
              'id' => 5_171_248,
              'is_bot' => false,
              'first_name' => 'Sojan',
              'last_name' => 'Jose',
              'username' => 'sojan',
              'language_code' => 'en',
              'is_premium' => true
            },
            'message' => message_params,
            'chat_instance' => '-89923842384923492',
            'data' => 'Option 1'
          }
        }.with_indifferent_access

        described_class.new(inbox: telegram_channel.inbox, params: params).perform
        expect(telegram_channel.inbox.conversations.count).not_to eq(0)
        expect(Contact.all.first.name).to eq('Sojan Jose')
        expect(Contact.all.first.additional_attributes['social_telegram_user_id']).to eq(5_171_248)
        expect(telegram_channel.inbox.messages.first.content).to eq('Option 1')
      end
    end

    context 'when valid contact message params' do
      it 'creates appropriate conversations, message and contacts' do
        params = {
          'update_id' => 2_342_342_343_242,
          'message' => {
            'contact': {
              'phone_number': '+918660944581'
            }
          }.merge(message_params)
        }.with_indifferent_access
        described_class.new(inbox: telegram_channel.inbox, params: params).perform
        expect(telegram_channel.inbox.conversations.count).not_to eq(0)
        expect(Contact.all.first.name).to eq('Sojan Jose')
        expect(telegram_channel.inbox.messages.first.attachments.first.file_type).to eq('contact')
      end
    end
  end

  context 'when lock to single conversation is enabled' do
    before do
      # ensure message_params exists in this context and has from.id
      message_params[:from] ||= {}
      message_params[:from][:id] ||= 23
    end

    it 'reopens last conversation if last conversation is resolved' do
      telegram_channel.inbox.update!(lock_to_single_conversation: true)
      contact_inbox = ContactInbox.find_or_create_by(inbox: telegram_channel.inbox, source_id: message_params[:from][:id]) do |ci|
        ci.contact = create(:contact)
      end
      resolved_conversation = create(:conversation, inbox: telegram_channel.inbox, contact_inbox: contact_inbox, status: :resolved)

      params = {
        'update_id' => 2_342_342_343_242,
        'message' => { 'text' => 'test' }.merge(message_params)
      }.with_indifferent_access

      described_class.new(inbox: telegram_channel.inbox, params: params).perform

      expect(telegram_channel.inbox.conversations.count).to eq(1)
      expect(resolved_conversation.reload.messages.last.content).to eq('test')
    end
  end

  context 'when lock to single conversation is disabled' do
    before do
      # ensure message_params exists in this context and has from.id
      message_params[:from] ||= {}
      message_params[:from][:id] ||= 23
    end

    it 'creates new conversation if last conversation is resolved' do
      telegram_channel.inbox.update!(lock_to_single_conversation: false)
      contact_inbox = ContactInbox.find_or_create_by(inbox: telegram_channel.inbox, source_id: message_params[:from][:id]) do |ci|
        ci.contact = create(:contact)
      end
      _resolved_conversation = create(:conversation, inbox: telegram_channel.inbox, contact_inbox: contact_inbox, status: :resolved)

      params = {
        'update_id' => 2_342_342_343_242,
        'message' => { 'text' => 'test' }.merge(message_params)
      }.with_indifferent_access

      described_class.new(inbox: telegram_channel.inbox, params: params).perform

      expect(telegram_channel.inbox.conversations.count).to eq(2)
      expect(telegram_channel.inbox.conversations.last.messages.first.content).to eq('test')
      expect(telegram_channel.inbox.conversations.last.status).to eq('open')
    end

    it 'appends to last conversation if last conversation is not resolved' do
      telegram_channel.inbox.update!(lock_to_single_conversation: false)
      contact_inbox = ContactInbox.find_or_create_by(inbox: telegram_channel.inbox, source_id: message_params[:from][:id]) do |ci|
        ci.contact = create(:contact)
      end
      open_conversation = create(:conversation, inbox: telegram_channel.inbox, contact_inbox: contact_inbox, status: :open)

      params = {
        'update_id' => 2_342_342_343_242,
        'message' => { 'text' => 'test' }.merge(message_params)
      }.with_indifferent_access

      described_class.new(inbox: telegram_channel.inbox, params: params).perform

      expect(telegram_channel.inbox.conversations.count).to eq(1)
      expect(open_conversation.reload.messages.last.content).to eq('test')
    end
  end
end