require "rails_helper"

describe InviteMailer do

  describe "send_invite" do

    context "invite to site" do

      context "default invite message" do
        let(:invite) { Fabricate(:invite) }
        let(:invite_mail) { InviteMailer.send_invite(invite) }

        it 'renders the invitee email' do
          expect(invite_mail.to).to eql([invite.email])
        end

        it 'renders the subject' do
          expect(invite_mail.subject).to be_present
        end

        it 'renders site domain name in subject' do
          expect(invite_mail.subject).to match(Discourse.current_hostname)
        end

        it 'renders the body' do
          expect(invite_mail.body).to be_present
        end

        it 'renders the inviter email' do
          expect(invite_mail.from).to eql([SiteSetting.notification_email])
        end

        it 'renders invite link' do
          expect(invite_mail.body.encoded).to match("#{Discourse.base_url}/invites/#{invite.invite_key}")
        end
      end

      context "custom invite message" do
        let(:invite) { Fabricate(:invite, custom_message: "Hey, you should join this forum!") }

        context "custom message includes invite link" do
          let(:custom_invite_mail) { InviteMailer.send_invite(invite) }

          it 'renders the invitee email' do
            expect(custom_invite_mail.to).to eql([invite.email])
          end

          it 'renders the subject' do
            expect(custom_invite_mail.subject).to be_present
          end

          it 'renders site domain name in subject' do
            expect(custom_invite_mail.subject).to match(Discourse.current_hostname)
          end

          it 'renders the body' do
            expect(custom_invite_mail.body).to be_present
          end

          it 'renders custom_message' do
            expect(custom_invite_mail.body.encoded).to match("Hey, you should join this forum!")
          end

          it 'renders the inviter email' do
            expect(custom_invite_mail.from).to eql([SiteSetting.notification_email])
          end

          it 'renders invite link' do
            expect(custom_invite_mail.body.encoded).to match("#{Discourse.base_url}/invites/#{invite.invite_key}")
          end

        end
      end
    end

    context "invite to topic" do
      let(:trust_level_2) { build(:user, trust_level: 2) }
      let(:topic) { Fabricate(:topic, excerpt: "Topic invite support is now available in Discourse!", user: trust_level_2) }

      context "default invite message" do
        let(:invite) do
          topic.invite(topic.user, 'name@example.com')
          Invite.find_by(invited_by_id: topic.user.id)
        end

        let(:invite_mail) { InviteMailer.send_invite(invite) }

        it 'renders the invitee email' do
          expect(invite_mail.to).to eql(['name@example.com'])
        end

        it 'renders the subject' do
          expect(invite_mail.subject).to be_present
        end

        it 'renders topic title in subject' do
          expect(invite_mail.subject).to match(topic.title)
        end

        it 'renders site domain name in subject' do
          expect(invite_mail.subject).to match(Discourse.current_hostname)
        end

        it 'renders the body' do
          expect(invite_mail.body).to be_present
        end

        it 'renders the inviter email' do
          expect(invite_mail.from).to eql([SiteSetting.notification_email])
        end

        it 'renders invite link' do
          expect(invite_mail.body.encoded).to match("#{Discourse.base_url}/invites/#{invite.invite_key}")
        end

        it 'renders topic title' do
          expect(invite_mail.body.encoded).to match(topic.title)
        end

        it "respects the private_email setting" do
          SiteSetting.private_email = true

          message = invite_mail
          expect(message.body.to_s).not_to include(topic.title)
          expect(message.body.to_s).not_to include(topic.slug)
        end
      end

      context "custom invite message" do
        let(:invite) do
          topic.invite(
            topic.user,
            'name@example.com',
            nil,
            "Hey, I thought you might enjoy this topic!"
          )

          Invite.find_by(invited_by_id: topic.user.id)
        end
        let(:custom_invite_mail) { InviteMailer.send_invite(invite) }

        it 'renders custom_message' do
          expect(custom_invite_mail.body.encoded).to match("Hey, I thought you might enjoy this topic!")
        end

        it 'renders invite link' do
          expect(custom_invite_mail.body.encoded).to match("#{Discourse.base_url}/invites/#{invite.invite_key}")
        end
      end
    end
  end

end