# frozen_string_literal: true

require "spec_helper"

describe Api::V1::MessagesController do
  let(:auth) { FactoryGirl.create(:auth_with_read_and_write) }
  let!(:access_token) { auth.create_access_token.to_s }

  before do
    auth.user.seed_aspects
    auth.user.share_with bob.person, auth.user.aspects[1]
    auth.user.share_with alice.person, auth.user.aspects[1]
    alice.share_with auth.user.person, alice.aspects[0]

    @conversation = {
      subject:      "new conversation",
      body:         "first message",
      recipients:   JSON.generate([alice.guid]),
      access_token: access_token
    }

    @message_text = "reply to first message"
  end

  describe "#create " do
    before do
      post api_v1_conversations_path, params: @conversation
      @conversation_guid = JSON.parse(response.body)["guid"]
    end

    context "with valid data" do
      it "creates the message in the conversation scope" do
        post(
          api_v1_conversation_messages_path(@conversation_guid),
          params: {body: @message_text, access_token: access_token}
        )
        expect(response.status).to eq 201

        message = JSON.parse(response.body)
        confirm_message_format(message, @message_text, auth.user)

        get(
          api_v1_conversation_messages_path(@conversation_guid),
          params: {access_token: access_token}
        )
        messages = JSON.parse(response.body)
        expect(messages.length).to eq 2
        confirm_message_format(messages[1], @message_text, auth.user)
      end
    end

    context "without valid data" do
      it "no data returns a unprocessable entity (422)" do
        post(
          api_v1_conversation_messages_path(@conversation_guid),
          params: {access_token: access_token}
        )
        expect(response.status).to eq 422
        expect(response.body).to eq I18n.t("api.endpoint_errors.conversations.cant_process")
      end

      it "empty string returns a unprocessable entity (422)" do
        post(
          api_v1_conversation_messages_path(@conversation_guid),
          params: {body: "", access_token: access_token}
        )
        expect(response.status).to eq 422
        expect(response.body).to eq I18n.t("api.endpoint_errors.conversations.cant_process")
      end
    end

    context "with wrong conversation id" do
      it "returns a a not found error (404)" do
        post(
          api_v1_conversation_messages_path(42),
          params: {access_token: access_token}
        )
        expect(response.status).to eq 404
        expect(response.body).to eq I18n.t("api.endpoint_errors.conversations.not_found")
      end
    end
  end

  describe "#index " do
    before do
      post api_v1_conversations_path, params: @conversation
      @conversation_guid = JSON.parse(response.body)["guid"]
    end

    context "retrieving messages" do
      it "returns all messages related to conversation" do
        get(
          api_v1_conversation_messages_path(@conversation_guid),
          params: {access_token: access_token}
        )
        messages = JSON.parse(response.body)
        expect(messages.length).to eq 1

        confirm_message_format(messages[0], "first message", auth.user)
        conversation = get_conversation(@conversation_guid)
        expect(conversation[:read]).to be_truthy
      end
    end
  end

  private

  def get_conversation(conversation_id)
    conversation_service = ConversationService.new(auth.user)
    raw_conversation = conversation_service.find!(conversation_id)
    ConversationPresenter.new(raw_conversation).as_api_json
  end

  def confirm_message_format(message, ref_message, author)
    expect(message["guid"]).to_not be_nil
    expect(message["created_at"]).to_not be_nil
    expect(message["body"]).to eq ref_message
    confirm_person_format(message["author"], author)
  end

  # rubocop:disable Metrics/AbcSize
  def confirm_person_format(post_person, user)
    expect(post_person["guid"]).to eq(user.guid)
    expect(post_person["diaspora_id"]).to eq(user.diaspora_handle)
    expect(post_person["name"]).to eq(user.name)
    expect(post_person["avatar"]).to eq(user.profile.image_url)
  end
  # rubocop:enable Metrics/AbcSize
end