# frozen_string_literal: true

require "spec_helper"

describe AdminMailer do
  describe "#send_spam_alert" do
    let(:spam_user) { create(:user) }

    let(:spam1) do
      create(:work, spam: true, title: "First Spam",
                    authors: [spam_user.default_pseud])
    end

    let(:spam2) do
      create(:work, spam: true, title: "Second Spam",
                    authors: [spam_user.default_pseud])
    end

    let(:spam3) do
      create(:work, spam: true, title: "Third Spam",
                    authors: [spam_user.default_pseud])
    end

    let(:other_user) { create(:user) }

    let(:other_spam) do
      create(:work, spam: true, title: "Mistaken Spam",
                    authors: [other_user.default_pseud])
    end

    let!(:report) do
      {
        spam_user.id => { "score" => 13, "work_ids" => [spam1.id, spam2.id, spam3.id] },
        other_user.id => { "score" => 5, "work_ids" => [other_spam.id] }
      }
    end

    let(:email) { AdminMailer.send_spam_alert(report) }

    context "when the report is valid" do
      it "has the correct subject" do
        expect(email).to have_subject "[#{ArchiveConfig.APP_SHORT_NAME}] Potential spam alert"
      end

      it "delivers to the correct address" do
        expect(email).to deliver_to ArchiveConfig.SPAM_ALERT_ADDRESS
      end

      it_behaves_like "an email with a valid sender"

      it_behaves_like "a multipart email"

      describe "HTML version" do
        it "lists the usernames and all work titles" do
          expect(email).to have_html_part_content(spam_user.login)
          expect(email).to have_html_part_content(spam1.title)
          expect(email).to have_html_part_content(spam2.title)
          expect(email).to have_html_part_content(spam3.title)

          expect(email).to have_html_part_content(other_user.login)
          expect(email).to have_html_part_content(other_spam.title)
        end

        it "lists the users in the correct order" do
          expect(email.html_part.decoded).to have_text(/#{spam_user.login}.*#{other_user.login}/m)
        end
      end

      describe "text version" do
        it "lists the usernames and all work titles" do
          expect(email).to have_text_part_content(spam_user.login)
          expect(email).to have_text_part_content(spam1.title)
          expect(email).to have_text_part_content(spam2.title)
          expect(email).to have_text_part_content(spam3.title)

          expect(email).to have_text_part_content(other_user.login)
          expect(email).to have_text_part_content(other_spam.title)
        end

        it "lists the users in the correct order" do
          expect(email.text_part.decoded).to have_text(/#{spam_user.login}.*#{other_user.login}/m)
        end
      end
    end

    context "when a user has been deleted" do
      before do
        # Users can't delete their account without doing something with their
        # works first. Here we're orphaning the works:
        create(:user, login: "orphan_account")
        Creatorship.orphan(spam_user.pseuds, spam_user.works, true)
        spam_user.destroy
      end

      context "when there are other users to list" do
        describe "HTML version" do
          it "silently omits the missing user" do
            expect(email).not_to have_html_part_content(spam_user.login)
            expect(email).not_to have_html_part_content(spam1.title)
            expect(email).not_to have_html_part_content(spam2.title)
            expect(email).not_to have_html_part_content(spam3.title)

            expect(email).to have_html_part_content(other_user.login)
            expect(email).to have_html_part_content(other_spam.title)
          end
        end

        describe "text version" do
          it "silently omits the missing user" do
            expect(email).not_to have_text_part_content(spam_user.login)
            expect(email).not_to have_text_part_content(spam1.title)
            expect(email).not_to have_text_part_content(spam2.title)
            expect(email).not_to have_text_part_content(spam3.title)

            expect(email).to have_text_part_content(other_user.login)
            expect(email).to have_text_part_content(other_spam.title)
          end
        end
      end

      context "when there are no other users to list" do
        let!(:report) do
          {
            spam_user.id => { "score" => 13, "work_ids" => [spam1.id, spam2.id, spam3.id] }
          }
        end

        it_behaves_like "an unsent email"
      end
    end
  end

  describe "#set_password_notification" do
    subject(:email) { AdminMailer.set_password_notification(admin, token) }

    let(:admin) { create(:admin) }
    let(:token) { "abc123" }

    # Test the headers
    it_behaves_like "an email with a valid sender"

    it "delivers to the correct address" do
      expect(email).to deliver_to(admin.email)
    end

    it "has the correct subject line" do
      subject = "[#{ArchiveConfig.APP_SHORT_NAME}] Your AO3 admin account"
      expect(email).to have_subject(subject)
    end

    # Test both body contents
    it_behaves_like "a multipart email"

    it_behaves_like "a translated email"

    describe "HTML version" do
      it "has the correct content" do
        expect(email).to have_html_part_content("username: </b>#{admin.login}")
        expect(email).to have_html_part_content("URL: </b><a")
        expect(email).to have_html_part_content(">https://www.example.com/admin/login</a>")
        expect(email).to have_html_part_content("</a> so you can log in.")
        expect(email).to have_html_part_content(token)
      end
    end

    describe "text version" do
      it "has the correct content" do
        expect(email).to have_text_part_content("Admin username: #{admin.login}")
        expect(email).to have_text_part_content("Admin login URL: https://www.example.com/admin/login")
        expect(email).to have_text_part_content("so you can log in:")
        expect(email).to have_text_part_content(token)
      end
    end
  end
end