require "rails_helper"

RSpec.describe MentorRelationship, type: :model do
  let(:mentor) { create(:user) }
  let(:mentee) { create(:user) }
  let(:relationship) { MentorRelationship.new(mentor_id: mentor.id, mentee_id: mentee.id) }

  describe "validations" do
    subject { MentorRelationship.new(mentor: mentor, mentee: mentee) }

    it { is_expected.to belong_to(:mentor) }
    it { is_expected.to belong_to(:mentee) }
    it { is_expected.to validate_uniqueness_of(:mentor_id).scoped_to(:mentee_id) }
  end

  it "is active" do
    expect(relationship.active).to eq(true)
  end

  it "is not the same user" do
    expect(MentorRelationship.new(mentor_id: mentor.id, mentee_id: mentor.id)).to be_invalid
  end

  it "makes the users follow one another" do
    relationship.save!
    expect(mentor.reload.following?(mentee)).to eq(true)
    expect(mentee.reload.following?(mentor)).to eq(true)
  end

  it "sends an email to both users" do
    relationship.save!
    %w[mentor_email mentee_email].each do |campaign|
      expect(EmailMessage.where(utm_campaign: campaign).count).to eq(1)
    end
  end

  it "finds unmatched mentors" do
    expect(MentorRelationship.unmatched_mentors.size).to eq(0)
    new_mentor = create(:user, mentor_form_updated_at: Time.current, offering_mentorship: true)
    expect(MentorRelationship.unmatched_mentors.size).to eq(1)
    MentorRelationship.create(mentor_id: new_mentor.id, mentee_id: mentee.id)
    expect(MentorRelationship.unmatched_mentors.size).to eq(0)
  end

  it "finds unmatched mentees" do
    expect(MentorRelationship.unmatched_mentees.size).to eq(0)
    new_mentee = create(:user, mentee_form_updated_at: Time.current, seeking_mentorship: true)
    expect(MentorRelationship.unmatched_mentees.size).to eq(0)
    new_mentee.update(mentee_description: "MENTEE")
    expect(MentorRelationship.unmatched_mentees.size).to eq(1)
    MentorRelationship.create(mentor_id: mentor.id, mentee_id: new_mentee.id)
    expect(MentorRelationship.unmatched_mentors.size).to eq(0)
  end
end