require 'rails_helper'

RSpec.describe StatCreatedPlan, type: :model do
  describe '.to_csv' do
    context 'when no instances' do
      it 'returns empty' do
        csv = described_class.to_csv([])

        expect(csv).to be_empty
      end
    end
    context 'when instances' do
      let(:org) { FactoryBot.create(:org) }

      context 'when no details' do
        it 'returns counts in a comma-separated row' do
          may = FactoryBot.create(:stat_created_plan, date: Date.new(2018, 05, 31), org: org, count: 20)
          june = FactoryBot.create(:stat_created_plan, date: Date.new(2018, 06, 30), org: org, count: 10)
          data = [may, june]

          csv = described_class.to_csv(data)

          expected_csv = <<~HERE
          Date,Count
          2018-05-31,20
          2018-06-30,10
          HERE
          expect(csv).to eq(expected_csv)
        end
      end

      context 'when details by template is true' do
        it 'returns counts by_template in a comma-separated row' do
          may = FactoryBot.create(:stat_created_plan, date: Date.new(2018, 05, 31), org: org, count: 20, details: { by_template: [
            { name: 'Template1', count: 5 },
            { name: 'Template2', count: 15 }
          ]})
          june = FactoryBot.create(:stat_created_plan, date: Date.new(2018, 06, 30), org: org, count: 10, details: { by_template: [
            { name: 'Template1', count: 2 },
            { name: 'Template3', count: 8 }
          ]})
          july = FactoryBot.create(:stat_created_plan, date: Date.new(2018, 07, 31), org: org, count: 0)
          data = [may, june, july]

          csv = described_class.to_csv(data, details: { by_template: true })

          expected_csv = <<~HERE
          Date,Template1,Template2,Template3,Count
          2018-05-31,5,15,0,20
          2018-06-30,2,0,8,10
          2018-07-31,0,0,0,0
          HERE
          expect(csv).to eq(expected_csv)
        end
      end
    end
  end

  describe '.serialize' do
    let(:org) { FactoryBot.create(:org, name: 'An Org', contact_email: 'foo@bar.com', contact_name: 'Foo') }
    let(:details) do
      { 'by_template' => [
        { 'name' => 'Template 1', 'count' => 10 },
        { 'name' => 'Template 2', 'count' => 10 }
      ]}
    end

    it 'retrieves JSON details as a hash object' do
      september = FactoryBot.create(:stat_created_plan, date: '2018-09-30', org: org, count: 20, details: details)

      json_details = described_class.find_by_date('2018-09-30').details

      expect(json_details).to eq(details)
    end
  end
end