# frozen_string_literal: true

require 'rails_helper'

RSpec.describe Jobs::GroupSmtpEmail do
  fab!(:post) do
    topic = Fabricate(:topic)
    Fabricate(:post, topic: topic)
    Fabricate(:post, topic: topic)
  end
  fab!(:group) { Fabricate(:imap_group) }
  fab!(:recipient_user) { Fabricate(:user, email: "test@test.com") }
  let(:post_id) { post.id }
  let(:args) do
    {
      group_id: group.id,
      post_id: post_id,
      email: "test@test.com"
    }
  end

  before do
    SiteSetting.reply_by_email_address = "test+%{reply_key}@incoming.com"
    SiteSetting.manual_polling_enabled = true
    SiteSetting.reply_by_email_enabled = true
    SiteSetting.enable_smtp = true
  end

  it "sends an email using the GroupSmtpMailer and Email::Sender" do
    message = Mail::Message.new(body: "hello", to: "myemail@example.invalid")
    GroupSmtpMailer.expects(:send_mail).with(group, "test@test.com", post).returns(message)
    Email::Sender.expects(:new).with(message, :group_smtp, recipient_user).returns(stub(send: nil))
    subject.execute(args)
  end

  it "creates an IncomingEmail record to avoid double processing via IMAP" do
    subject.execute(args)
    incoming = IncomingEmail.find_by(post_id: post.id, user_id: post.user_id, topic_id: post.topic_id)
    expect(incoming).not_to eq(nil)
    expect(incoming.message_id).to eq("topic/#{post.topic_id}/#{post.id}@test.localhost")
  end

  it "creates a PostReplyKey and correctly uses it for the email reply_key substitution" do
    subject.execute(args)
    incoming = IncomingEmail.find_by(post_id: post.id, user_id: post.user_id, topic_id: post.topic_id)
    post_reply_key = PostReplyKey.where(user_id: recipient_user, post_id: post.id).first
    expect(post_reply_key).not_to eq(nil)
    expect(incoming.raw).to include("Reply-To: Discourse <test+#{post_reply_key.reply_key}@incoming.com>")
  end

  it "has the from_address and the to_addresses and subject filled in correctly" do
    subject.execute(args)
    incoming = IncomingEmail.find_by(post_id: post.id, user_id: post.user_id, topic_id: post.topic_id)
    expect(incoming.to_addresses).to eq("test@test.com")
    expect(incoming.subject).to include("Re: This is a test topic")
    expect(incoming.from_address).to eq("discourseteam@ponyexpress.com")
  end

  context "when the post in the argument is the OP" do
    let(:post_id) { post.topic.posts.first.id }
    it "aborts and does not send a group SMTP email; the OP is the one that sent the email in the first place" do
      expect { subject.execute(args) }.not_to(change { IncomingEmail.count })
    end
  end
end