require 'rails_helper'

describe Whatsapp::IncomingMessageWhatsappCloudService do
  describe '#perform' do
    let!(:whatsapp_channel) { create(:channel_whatsapp, provider: 'whatsapp_cloud', sync_templates: false, validate_provider_config: false) }
    let(:params) do
      {
        phone_number: whatsapp_channel.phone_number,
        object: 'whatsapp_business_account',
        entry: [{
          changes: [{
            value: {
              contacts: [{ profile: { name: 'Sojan Jose' }, wa_id: '2423423243' }],
              messages: [{
                from: '2423423243',
                image: {
                  id: 'b1c68f38-8734-4ad3-b4a1-ef0c10d683',
                  mime_type: 'image/jpeg',
                  sha256: '29ed500fa64eb55fc19dc4124acb300e5dcca0f822a301ae99944db',
                  caption: 'Check out my product!'
                },
                timestamp: '1664799904', type: 'image'
              }]
            }
          }]
        }]
      }.with_indifferent_access
    end

    context 'when valid attachment message params' do
      it 'creates appropriate conversations, message and contacts' do
        stub_media_url_request
        stub_sample_png_request
        described_class.new(inbox: whatsapp_channel.inbox, params: params).perform
        expect_conversation_created
        expect_contact_name
        expect_message_content
        expect_message_has_attachment
      end

      it 'increments reauthorization count if fetching attachment fails' do
        stub_request(
          :get,
          whatsapp_channel.media_url(
            'b1c68f38-8734-4ad3-b4a1-ef0c10d683',
            whatsapp_channel.provider_config['phone_number_id']
          )
        ).to_return(
          status: 401
        )

        described_class.new(inbox: whatsapp_channel.inbox, params: params).perform
        expect(whatsapp_channel.inbox.conversations.count).not_to eq(0)
        expect(Contact.all.first.name).to eq('Sojan Jose')
        expect(whatsapp_channel.inbox.messages.first.content).to eq('Check out my product!')
        expect(whatsapp_channel.inbox.messages.first.attachments.present?).to be false
        expect(whatsapp_channel.authorization_error_count).to eq(1)
      end
    end

    context 'when invalid attachment message params' do
      let(:error_params) do
        {
          phone_number: whatsapp_channel.phone_number,
          object: 'whatsapp_business_account',
          entry: [{
            changes: [{
              value: {
                contacts: [{ profile: { name: 'Sojan Jose' }, wa_id: '2423423243' }],
                messages: [{
                  from: '2423423243',
                  image: {
                    id: 'b1c68f38-8734-4ad3-b4a1-ef0c10d683',
                    mime_type: 'image/jpeg',
                    sha256: '29ed500fa64eb55fc19dc4124acb300e5dcca0f822a301ae99944db',
                    caption: 'Check out my product!'
                  },
                  errors: [{
                    code: 400,
                    details: 'Last error was: ServerThrottle. Http request error: HTTP response code said error. See logs for details',
                    title: 'Media download failed: Not retrying as download is not retriable at this time'
                  }],
                  timestamp: '1664799904', type: 'image'
                }]
              }
            }]
          }]
        }.with_indifferent_access
      end

      it 'with attachment errors' do
        described_class.new(inbox: whatsapp_channel.inbox, params: error_params).perform
        expect(whatsapp_channel.inbox.conversations.count).not_to eq(0)
        expect(Contact.all.first.name).to eq('Sojan Jose')
        expect(whatsapp_channel.inbox.messages.count).to eq(0)
      end
    end

    context 'when invalid params' do
      it 'will not throw error' do
        described_class.new(inbox: whatsapp_channel.inbox, params: { phone_number: whatsapp_channel.phone_number,
                                                                     object: 'whatsapp_business_account', entry: {} }).perform
        expect(whatsapp_channel.inbox.conversations.count).to eq(0)
        expect(Contact.all.first).to be_nil
        expect(whatsapp_channel.inbox.messages.count).to eq(0)
      end
    end
  end

  # Métodos auxiliares para reduzir o tamanho do exemplo

  def stub_media_url_request
    stub_request(
      :get,
      whatsapp_channel.media_url(
        'b1c68f38-8734-4ad3-b4a1-ef0c10d683',
        whatsapp_channel.provider_config['phone_number_id']
      )
    ).to_return(
      status: 200,
      body: {
        messaging_product: 'whatsapp',
        url: 'https://chatwoot-assets.local/sample.png',
        mime_type: 'image/jpeg',
        sha256: 'sha256',
        file_size: 'SIZE',
        id: 'b1c68f38-8734-4ad3-b4a1-ef0c10d683'
      }.to_json,
      headers: { 'content-type' => 'application/json' }
    )
  end

  def stub_sample_png_request
    stub_request(:get, 'https://chatwoot-assets.local/sample.png').to_return(
      status: 200,
      body: File.read('spec/assets/sample.png')
    )
  end

  def expect_conversation_created
    expect(whatsapp_channel.inbox.conversations.count).not_to eq(0)
  end

  def expect_contact_name
    expect(Contact.all.first.name).to eq('Sojan Jose')
  end

  def expect_message_content
    expect(whatsapp_channel.inbox.messages.first.content).to eq('Check out my product!')
  end

  def expect_message_has_attachment
    expect(whatsapp_channel.inbox.messages.first.attachments.present?).to be true
  end
end
