# frozen_string_literal: true

# License: AGPL-3.0-or-later WITH WTO-AP-3.0-or-later
# Full license explanation at https://github.com/houdiniproject/houdini/blob/main/LICENSE
require 'rails_helper'

describe BillingPlans do
  let(:percentage) { 0.34 }
  let(:billing_plan) do
    force_create(:billing_plan, percentage_fee: percentage)
  end

  let(:nonprofit) do
    force_create(:nm_justice)
  end

  describe '.get_percentage_fee' do
    describe 'param validation' do
      it 'rejects non-integers' do
        expect { BillingPlans.get_percentage_fee('not an integer') }.to (raise_error do |error|
          expect(error).to be_a(ParamValidation::ValidationError)
          expect_validation_errors(error.data, [{ key: :nonprofit_id, name: :is_integer }])
        end)
      end

      it 'rejects invalid nonprofits' do
        expect { BillingPlans.get_percentage_fee(55_555) }.to (raise_error do |error|
          expect(error).to be_a(ParamValidation::ValidationError)
          expect_validation_errors(error.data, [{ key: :nonprofit_id }])
        end)
      end
    end

    it 'returns 0 when no billing_subscription' do
      result = BillingPlans.get_percentage_fee(nonprofit.id)
      expect(result).to eq 0
    end

    # TODO: not sure this is what we actually want?
    it 'returns 0 when billing plan is invalid' do
      bs = force_create(:billing_subscription, billing_plan: nil, nonprofit: nonprofit)

      result = BillingPlans.get_percentage_fee(nonprofit.id)
      expect(result).to eq(0)
    end

    it 'returns percentage when billing subscription exists' do
      bs = force_create(:billing_subscription, billing_plan: billing_plan, nonprofit: nonprofit)

      result = BillingPlans.get_percentage_fee(nonprofit.id)
      expect(result).to eq 0.34
    end
  end
end
