require 'rails_helper'

RSpec.describe CustomersController do
  # First create a company to associate with customers
  let(:company) { Company.create!(name: "Test Company", entity: "Corp", id_number: "123456") }

  let(:valid_attributes) do
    {
      first_name: "John",
      surname: "Doe",
      original_phone: "123456789",
      phone: "123456789",
      company_id: company.id
    }
  end

  let(:invalid_attributes) do
    {
      first_name: nil,
      surname: nil,
      phone: nil
    }
  end

  describe "GET #index" do
    it "returns a success response" do
      Customer.create! valid_attributes
      get :index, params: { company_id: company.id }
      expect(response).to be_successful
    end
  end

  describe "GET #new" do
    it "returns a success response" do
      get :new, params: { company_id: company.id }
      expect(response).to be_successful
    end
  end

  describe "POST #create" do
    context "with valid params" do
      it "creates a new Customer" do
        expect do
          post :create, params: { customer: valid_attributes, company_id: company.id }
        end.to change(Customer, :count).by(1)

        # Verify the customer data was saved correctly
        customer = Customer.last
        expect(customer.first_name).to eq("John")
        expect(customer.surname).to eq("Doe")
        expect(customer.phone).to eq("123456789")
        expect(customer.original_phone).to eq("123456789")
        expect(customer.company_id).to eq(company.id)
      end

      it "redirects after creation" do
        post :create, params: { customer: valid_attributes, company_id: company.id }
        expect(response).to be_redirect

        # Verify the customer data was saved correctly
        customer = Customer.last
        expect(customer.first_name).to eq("John")
        expect(customer.surname).to eq("Doe")
        expect(customer.phone).to eq("123456789")
        expect(customer.company_id).to eq(company.id)
      end
    end

    context "with invalid params" do
      it "handles invalid attributes appropriately" do
        post :create, params: { customer: invalid_attributes, company_id: company.id }
        expect(response.status).to be_in([200, 302, 422])
      end
    end
  end
end