# frozen_string_literal: true

require 'system_message'
require 'topic_subtype'

describe SystemMessage do

  context '#create' do

    fab!(:admin) { Fabricate(:admin) }
    fab!(:user) { Fabricate(:user) }

    before do
      SiteSetting.site_contact_username = admin.username
    end

    it 'should create a post correctly' do
      system_message = SystemMessage.new(user)
      post = system_message.create(:welcome_invite)
      topic = post.topic

      expect(topic.private_message?).to eq(true)
      expect(topic.subtype).to eq(TopicSubtype.system_message)

      expect(topic.allowed_users.pluck(:user_id)).to contain_exactly(
        user.id, admin.id
      )

      expect(UserArchivedMessage.where(
        user_id: admin.id,
        topic_id: topic.id
      ).count).to eq(1)
    end

    it 'can create a post from system user in user selected locale' do
      SiteSetting.allow_user_locale = true
      user_de = Fabricate(:user, locale: 'de')
      system_user = Discourse.system_user

      post = SystemMessage.create_from_system_user(user_de, :welcome_invite)
      topic = post.topic

      expect(topic.private_message?).to eq(true)
      expect(topic.title).to eq(I18n.with_locale(:de) { I18n.t("system_messages.welcome_invite.subject_template", site_name: SiteSetting.title) })
      expect(topic.subtype).to eq(TopicSubtype.system_message)

      expect(topic.allowed_users.pluck(:user_id)).to contain_exactly(
        user_de.id, system_user.id
      )

      expect(UserArchivedMessage.where(
        user_id: system_user.id,
        topic_id: topic.id
      ).count).to eq(0)
    end

    it 'allows message_title and message_raw ops to override content' do
      user = Fabricate(:user)
      system_user = Discourse.system_user

      post = SystemMessage.create_from_system_user(user, :welcome_invite, { message_title: "override title", message_raw: "override body" })
      topic = post.topic

      expect(topic.private_message?).to eq(true)
      expect(topic.title).to eq("override title")
      expect(topic.subtype).to eq(TopicSubtype.system_message)
      expect(post.raw).to eq("override body")
    end

    it 'should allow site_contact_group_name' do
      group = Fabricate(:group)
      SiteSetting.site_contact_group_name = group.name

      post = SystemMessage.create(user, :welcome_invite)
      expect(post.topic.allowed_groups).to contain_exactly(group)

      group.update!(name: "anewname")
      post = SystemMessage.create(user, :welcome_invite)
      expect(post.topic.allowed_groups).to eq([])
    end

    it 'sends event with post object' do
      system_message = SystemMessage.new(user)
      event = DiscourseEvent.track(:system_message_sent) {
        system_message.create(:tl2_promotion_message)
      }
      expect(event[:event_name]).to eq(:system_message_sent)
      expect(event[:params].first[:post]).to eq(Post.last)
      expect(event[:params].first[:message_type]).to eq(:tl2_promotion_message)
    end
  end
end