require 'spec_helper'

describe EmailBatch do

  after(:each) do
    Timecop.return
  end

  describe 'all users' do
    
    # before { pending }

    let (:email_batch) { FactoryGirl.create(:email_batch) }

    before(:each) do
      BatchMailer.deliveries.clear
    end

    it 'has test emails setup' do

      expect(email_batch.test_emails.present?).to be true
      expect(email_batch.pending?).to be true

      users = email_batch.test_users
      expect(email_batch.test_count).to eq(users.count)
    end
  end

  describe 'new musician' do
    before { pending }

    let (:new_musician_batch) { FactoryGirl.create(:email_batch_new_musician) }

    before(:each) do
      @u1 = FactoryGirl.create(:user, :lat => 37.791649, :lng => -122.394395, :email => 'jonathan@jamkazam.com', :subscribe_email => true, :created_at => Time.now - 3.weeks)
      @u2 = FactoryGirl.create(:user, :lat => 37.791649, :lng => -122.394395, :subscribe_email => true)
      @u3 = FactoryGirl.create(:user, :lat => 37.791649, :lng => -122.394395, :subscribe_email => false, :created_at => Time.now - 3.weeks)
      @u4 = FactoryGirl.create(:user, :lat => 37.791649, :lng => -122.394395, :subscribe_email => true, :created_at => Time.now - 3.weeks)
    end

    it 'find new musicians with good score' do
      new_musician_batch.fetch_recipients do |new_musicians|
        expect(new_musicians.count).to eq(2)
        num = (new_musicians.keys.map(&:id) - [@u1.id, @u4.id]).count
        expect(num).to eq(0)
      end
    end

    it 'cycles through states properly' do
      new_musician_batch.deliver_batch
      expect(UserMailer.deliveries.length).to eq(2)
      new_musician_batch.reload
      expect(new_musician_batch.delivered?).to eq(true)
      expect(new_musician_batch.sent_count).to eq(2)
    end

  end

  context 'user progress' do

    before { pending }

    describe 'one at a time' do

      let(:batchp) { 
        FactoryGirl.create(:email_batch_progression, :sub_type => :client_notdl) 
      }
      let(:user_existing) { 
        FactoryGirl.create(:user, 
                           :created_at => Time.now - (2 * batchp.days_past_for_trigger_index(2)).days)
      }
      after(:each) do
        batchp.clear_batch_sets!
        Timecop.return
      end
      it 'sends one email' do
        user_existing
        batchp.deliver_batch
        expect(ProgressMailer.deliveries.length).to eq(1)
      end
    end
    
    describe 'client not downloaded' do
      before { pending }

      let(:batchp) { 
        FactoryGirl.create(:email_batch_progression, :sub_type => :client_notdl) 
      }

      let(:user_) { FactoryGirl.create(:user) }

      let(:user_existing) { 
        FactoryGirl.create(:user, 
                           :created_at => Time.now - (2 * batchp.days_past_for_trigger_index(2)).days)
      }

      after(:each) do
        batchp.clear_batch_sets!
        Timecop.return
      end

      it 'returns no users' do
        user_
        expect(batchp.fetch_recipients.count).to eq(0)
      end

      it 'returns user first trigger' do

        user_
        expect(batchp.fetch_recipients(0).count).to eq(0)
        expect(batchp.fetch_recipients(1).count).to eq(0)
        expect(batchp.fetch_recipients(2).count).to eq(0)

        dd = user_.created_at + batchp.days_past_for_trigger_index(0).days
        Timecop.travel(dd)
        expect(batchp.fetch_recipients(0).count).to eq(1)
        expect(batchp.fetch_recipients(1).count).to eq(0)
        expect(batchp.fetch_recipients(2).count).to eq(0)
        batchp.make_set(user_, 0)
        expect(batchp.fetch_recipients(0).count).to eq(0)
        expect(batchp.fetch_recipients(1).count).to eq(0)
        expect(batchp.fetch_recipients(2).count).to eq(0)

        dd = dd + batchp.days_past_for_trigger_index(1).days
        Timecop.travel(dd)
        expect(batchp.fetch_recipients(0).count).to eq(0)
        expect(batchp.fetch_recipients(1).count).to eq(1)
        expect(batchp.fetch_recipients(2).count).to eq(0)
        batchp.make_set(user_, 1)
        expect(batchp.fetch_recipients(0).count).to eq(0)
        expect(batchp.fetch_recipients(1).count).to eq(0)
        expect(batchp.fetch_recipients(2).count).to eq(0)

        dd = dd + batchp.days_past_for_trigger_index(2).days
        Timecop.travel(dd)
        expect(batchp.fetch_recipients(0).count).to eq(0)
        expect(batchp.fetch_recipients(1).count).to eq(0)
        expect(batchp.fetch_recipients(2).count).to eq(1)
        batchp.make_set(user_, 2)
        expect(batchp.fetch_recipients(0).count).to eq(0)
        expect(batchp.fetch_recipients(1).count).to eq(0)
        expect(batchp.fetch_recipients(2).count).to eq(0)
      end

      it 'handles existing users' do

        user_existing
        expect(batchp.fetch_recipients(0).count).to eq(1)
        expect(batchp.fetch_recipients(1).count).to eq(0)
        expect(batchp.fetch_recipients(2).count).to eq(0)

        dd = user_existing.created_at + batchp.days_past_for_trigger_index(0).days
        Timecop.travel(dd)
        batchp.make_set(user_existing, 0)
        expect(batchp.fetch_recipients(0).count).to eq(0)
        expect(batchp.fetch_recipients(1).count).to eq(0)
        expect(batchp.fetch_recipients(2).count).to eq(0)

        dd = dd + batchp.days_past_for_trigger_index(1).days
        Timecop.travel(dd)
        expect(batchp.fetch_recipients(0).count).to eq(0)
        expect(batchp.fetch_recipients(1).count).to eq(1)
        expect(batchp.fetch_recipients(2).count).to eq(0)
        batchp.make_set(user_existing, 1)

        dd = dd + batchp.days_past_for_trigger_index(2).days
        Timecop.travel(dd)
        expect(batchp.fetch_recipients(2).count).to eq(1)
        batchp.make_set(user_existing, 2)
        expect(batchp.fetch_recipients(2).count).to eq(0)

        dd = dd + 1
        Timecop.travel(dd)
        expect(batchp.fetch_recipients(2).count).to eq(0)
      end
      
      it 'skips some days' do
        user_
        dd = user_.created_at + batchp.days_past_for_trigger_index(1).days
        Timecop.travel(dd)
        expect(batchp.fetch_recipients(0).count).to eq(1)
        expect(batchp.fetch_recipients(1).count).to eq(0)
        expect(batchp.fetch_recipients(2).count).to eq(0)
        batchp.make_set(user_, 0)
        expect(batchp.fetch_recipients(0).count).to eq(0)
        expect(batchp.fetch_recipients(1).count).to eq(0)

        dd = dd + batchp.days_past_for_trigger_index(1).days
        Timecop.travel(dd)
        expect(batchp.fetch_recipients(0).count).to eq(0)
        expect(batchp.fetch_recipients(1).count).to eq(1)
        expect(batchp.fetch_recipients(2).count).to eq(0)
        batchp.make_set(user_, 1)
        expect(batchp.fetch_recipients(2).count).to eq(0)

        dd = dd + batchp.days_past_for_trigger_index(2).days
        Timecop.travel(dd)
        expect(batchp.fetch_recipients(0).count).to eq(0)
        expect(batchp.fetch_recipients(1).count).to eq(0)
        expect(batchp.fetch_recipients(2).count).to eq(1)
        batchp.make_set(user_, 2)
        expect(batchp.fetch_recipients(2).count).to eq(0)
      end
      
    end

    describe 'loop bunch of users' do
      let(:batchp) { 
        FactoryGirl.create(:email_batch_progression, :sub_type => :client_notdl) 
      }
      it 'returns no users' do
        users = []
        20.times { |nn| users << FactoryGirl.create(:user) }
        expect(batchp.fetch_recipients(0,5).count).to eq(0)
        dd = users[0].created_at + batchp.days_past_for_trigger_index(0).days
        Timecop.travel(dd)
        expect(batchp.fetch_recipients(0,5).count).to eq(20)
        users.each { |uu| batchp.make_set(uu, 0) }
        expect(batchp.fetch_recipients(0,5).count).to eq(0)
      end
    end

  end
end