require "rails_helper"

RSpec.describe SchemesController, type: :request do
  let(:organisation) { user.organisation }
  let(:headers) { { "Accept" => "text/html" } }
  let(:page) { Capybara::Node::Simple.new(response.body) }
  let(:user) { FactoryBot.create(:user, :support) }
  let!(:schemes) { FactoryBot.create_list(:scheme, 5) }

  describe "#index" do
    context "when not signed in" do
      it "redirects to the sign in page" do
        get "/schemes"
        expect(response).to redirect_to("/account/sign-in")
      end
    end

    context "when signed in as a data provider user" do
      let(:user) { FactoryBot.create(:user) }

      before do
        sign_in user
        get "/schemes"
      end

      it "returns 401 unauthorized" do
        request
        expect(response).to have_http_status(:unauthorized)
      end
    end

    context "when signed in as a data coordinator user" do
      let(:user) { FactoryBot.create(:user, :data_coordinator) }

      before do
        sign_in user
        get "/schemes"
      end

      it "redirects to the organisation schemes path" do
        follow_redirect!
        expect(path).to match("/organisations/#{user.organisation.id}/schemes")
      end
    end

    context "when signed in as a support user" do
      before do
        allow(user).to receive(:need_two_factor_authentication?).and_return(false)
        sign_in user
        get "/schemes"
      end

      it "has page heading" do
        expect(page).to have_content("Schemes")
      end

      it "shows all schemes" do
        schemes.each do |scheme|
          expect(page).to have_content(scheme.code)
        end
      end

      it "shows a search bar" do
        expect(page).to have_field("search", type: "search")
      end

      it "has correct title" do
        expect(page).to have_title("Supported housing schemes - Submit social housing lettings and sales data (CORE) - GOV.UK")
      end

      it "shows the total organisations count" do
        expect(CGI.unescape_html(response.body)).to match("<strong>#{schemes.count}</strong> total schemes.")
      end

      it "has hidden accebility field with description" do
        expected_field = "<h2 class=\"govuk-visually-hidden\">Supported housing schemes</h2>"
        expect(CGI.unescape_html(response.body)).to include(expected_field)
      end

      context "when paginating over 20 results" do
        let(:total_schemes_count) { Scheme.count }

        before do
          FactoryBot.create_list(:scheme, 20)
        end

        context "when on the first page" do
          before do
            get "/schemes"
          end

          it "shows the total schemes count" do
            expect(CGI.unescape_html(response.body)).to match("<strong>#{total_schemes_count}</strong> total schemes.")
          end

          it "shows which schemes are being shown on the current page" do
            expect(CGI.unescape_html(response.body)).to match("Showing <b>1</b> to <b>20</b> of <b>#{total_schemes_count}</b> schemes")
          end

          it "has correct page 1 of 2 title" do
            expect(page).to have_title("Supported housing schemes (page 1 of 2) - Submit social housing lettings and sales data (CORE) - GOV.UK")
          end

          it "has pagination links" do
            expect(page).to have_content("Previous")
            expect(page).not_to have_link("Previous")
            expect(page).to have_content("Next")
            expect(page).to have_link("Next")
          end
        end

        context "when on the second page" do
          before do
            get "/schemes?page=2"
          end

          it "shows the total schemes count" do
            expect(CGI.unescape_html(response.body)).to match("<strong>#{total_schemes_count}</strong> total schemes.")
          end

          it "has pagination links" do
            expect(page).to have_content("Previous")
            expect(page).to have_link("Previous")
            expect(page).to have_content("Next")
            expect(page).not_to have_link("Next")
          end

          it "shows which schemes are being shown on the current page" do
            expect(CGI.unescape_html(response.body)).to match("Showing <b>21</b> to <b>25</b> of <b>#{total_schemes_count}</b> schemes")
          end

          it "has correct page 1 of 2 title" do
            expect(page).to have_title("Supported housing schemes (page 2 of 2) - Submit social housing lettings and sales data (CORE) - GOV.UK")
          end
        end
      end

      context "when searching" do
        let!(:searched_scheme) { FactoryBot.create(:scheme, code: "CODE321") }
        let(:search_param) { "CODE321" }

        before do
          get "/schemes?search=#{search_param}"
        end

        it "returns matching results" do
          expect(page).to have_content(searched_scheme.code)
          schemes.each do |scheme|
            expect(page).not_to have_content(scheme.code)
          end
        end

        it "updates the table caption" do
          expect(page).to have_content("1 scheme found matching ‘#{search_param}’")
        end

        it "has search in the title" do
          expect(page).to have_title("Supported housing schemes (1 scheme matching ‘#{search_param}’) - Submit social housing lettings and sales data (CORE) - GOV.UK")
        end
      end
    end
  end

  describe "#show" do
    let(:specific_scheme) { schemes.first }

    context "when not signed in" do
      it "redirects to the sign in page" do
        get "/schemes/#{specific_scheme.id}"
        expect(response).to redirect_to("/account/sign-in")
      end
    end

    context "when signed in as a data provider user" do
      let(:user) { FactoryBot.create(:user) }

      before do
        sign_in user
        get "/schemes/#{specific_scheme.id}"
      end

      it "returns 401 unauthorized" do
        request
        expect(response).to have_http_status(:unauthorized)
      end
    end

    context "when signed in as a data coordinator user" do
      let(:user) { FactoryBot.create(:user, :data_coordinator) }
      let!(:specific_scheme) { FactoryBot.create(:scheme, organisation: user.organisation) }

      before do
        sign_in user
      end

      it "has page heading" do
        get "/schemes/#{specific_scheme.id}"
        expect(page).to have_content(specific_scheme.code)
        expect(page).to have_content(specific_scheme.service_name)
        expect(page).to have_content(specific_scheme.organisation.name)
        expect(page).to have_content(specific_scheme.sensitive_display)
        expect(page).to have_content(specific_scheme.code)
        expect(page).to have_content(specific_scheme.service_name)
        expect(page).to have_content(specific_scheme.sensitive_display)
        expect(page).to have_content(specific_scheme.scheme_type_display)
        expect(page).to have_content(specific_scheme.registered_under_care_act_display)
        expect(page).to have_content(specific_scheme.total_units)
        expect(page).to have_content(specific_scheme.primary_client_group_display)
        expect(page).to have_content(specific_scheme.secondary_client_group_display)
        expect(page).to have_content(specific_scheme.support_type_display)
        expect(page).to have_content(specific_scheme.intended_stay_display)
      end

      context "when coordinator attempts to see scheme belonging to a different organisation" do
        let!(:specific_scheme) { FactoryBot.create(:scheme) }

        it "returns 404 not found" do
          get "/schemes/#{specific_scheme.id}"
          expect(response).to have_http_status(:not_found)
        end
      end
    end

    context "when signed in as a support user" do
      before do
        allow(user).to receive(:need_two_factor_authentication?).and_return(false)
        sign_in user
        get "/schemes/#{specific_scheme.id}"
      end

      it "has page heading" do
        expect(page).to have_content(specific_scheme.code)
        expect(page).to have_content(specific_scheme.service_name)
        expect(page).to have_content(specific_scheme.organisation.name)
        expect(page).to have_content(specific_scheme.sensitive_display)
        expect(page).to have_content(specific_scheme.code)
        expect(page).to have_content(specific_scheme.service_name)
        expect(page).to have_content(specific_scheme.sensitive_display)
        expect(page).to have_content(specific_scheme.scheme_type_display)
        expect(page).to have_content(specific_scheme.registered_under_care_act_display)
        expect(page).to have_content(specific_scheme.total_units)
        expect(page).to have_content(specific_scheme.primary_client_group_display)
        expect(page).to have_content(specific_scheme.secondary_client_group_display)
        expect(page).to have_content(specific_scheme.support_type_display)
        expect(page).to have_content(specific_scheme.intended_stay_display)
      end
    end
  end

  describe "#locations" do
    let(:specific_scheme) { schemes.first }

    context "when not signed in" do
      it "redirects to the sign in page" do
        get "/schemes/#{specific_scheme.id}/locations"
        expect(response).to redirect_to("/account/sign-in")
      end
    end

    context "when signed in as a data provider user" do
      let(:user) { FactoryBot.create(:user) }

      before do
        sign_in user
        get "/schemes/#{specific_scheme.id}/locations"
      end

      it "returns 401 unauthorized" do
        request
        expect(response).to have_http_status(:unauthorized)
      end
    end

    context "when signed in as a data coordinator user" do
      let(:user) { FactoryBot.create(:user, :data_coordinator) }
      let!(:scheme) { FactoryBot.create(:scheme, organisation: user.organisation) }
      let!(:locations) { FactoryBot.create_list(:location, 3, scheme:) }

      before do
        sign_in user
        get "/schemes/#{scheme.id}/locations"
      end

      context "when coordinator attempts to see scheme belonging to a different organisation" do
        let!(:specific_scheme) { FactoryBot.create(:scheme) }

        before do
          FactoryBot.create(:location, scheme: specific_scheme)
        end

        it "returns 404 not found" do
          get "/schemes/#{specific_scheme.id}/locations"
          expect(response).to have_http_status(:not_found)
        end
      end

      it "shows scheme" do
        locations.each do |location|
          expect(page).to have_content(location.location_code)
          expect(page).to have_content(location.postcode)
          expect(page).to have_content(location.county)
          expect(page).to have_content(location.type_of_unit)
          expect(page).to have_content(location.type_of_building)
          expect(page).to have_content(location.wheelchair_adaptation)
          expect(page).to have_content(location.address_line1)
          expect(page).to have_content(location.address_line2)
        end
      end

      it "has page heading" do
        expect(page).to have_content(scheme.service_name)
      end

      it "has correct title" do
        expected_title = CGI.escapeHTML("#{scheme.service_name} - Submit social housing lettings and sales data (CORE) - GOV.UK")
        expect(page).to have_title(expected_title)
      end

      context "when paginating over 20 results" do
        let!(:locations) { FactoryBot.create_list(:location, 25, scheme:) }

        context "when on the first page" do
          before do
            get "/schemes/#{scheme.id}/locations"
          end

          it "shows which schemes are being shown on the current page" do
            expect(CGI.unescape_html(response.body)).to match("Showing <b>1</b> to <b>20</b> of <b>#{locations.count}</b> locations")
          end

          it "has correct page 1 of 2 title" do
            expect(page).to have_title("#{scheme.service_name} (page 1 of 2) - Submit social housing lettings and sales data (CORE) - GOV.UK")
          end

          it "has pagination links" do
            expect(page).to have_content("Previous")
            expect(page).not_to have_link("Previous")
            expect(page).to have_content("Next")
            expect(page).to have_link("Next")
          end
        end

        context "when on the second page" do
          before do
            get "/schemes/#{scheme.id}/locations?page=2"
          end

          it "shows which schemes are being shown on the current page" do
            expect(CGI.unescape_html(response.body)).to match("Showing <b>21</b> to <b>25</b> of <b>#{locations.count}</b> locations")
          end

          it "has correct page 1 of 2 title" do
            expect(page).to have_title("#{scheme.service_name} (page 2 of 2) - Submit social housing lettings and sales data (CORE) - GOV.UK")
          end

          it "has pagination links" do
            expect(page).to have_content("Previous")
            expect(page).to have_link("Previous")
            expect(page).to have_content("Next")
            expect(page).not_to have_link("Next")
          end
        end
      end
    end

    context "when signed in as a support user" do
      let(:user) { FactoryBot.create(:user, :support) }
      let!(:scheme) { FactoryBot.create(:scheme) }
      let!(:locations) { FactoryBot.create_list(:location, 3, scheme:) }

      before do
        allow(user).to receive(:need_two_factor_authentication?).and_return(false)
        sign_in user
        get "/schemes/#{scheme.id}/locations"
      end

      it "shows scheme" do
        locations.each do |location|
          expect(page).to have_content(location.location_code)
          expect(page).to have_content(location.postcode)
          expect(page).to have_content(location.county)
          expect(page).to have_content(location.type_of_unit)
          expect(page).to have_content(location.type_of_building)
          expect(page).to have_content(location.wheelchair_adaptation)
          expect(page).to have_content(location.address_line1)
          expect(page).to have_content(location.address_line2)
        end
      end

      it "has page heading" do
        expect(page).to have_content(scheme.service_name)
      end

      it "has correct title" do
        expect(page).to have_title("#{scheme.service_name} - Submit social housing lettings and sales data (CORE) - GOV.UK")
      end

      context "when paginating over 20 results" do
        let!(:locations) { FactoryBot.create_list(:location, 25, scheme:) }

        context "when on the first page" do
          before do
            get "/schemes/#{scheme.id}/locations"
          end

          it "shows which schemes are being shown on the current page" do
            expect(CGI.unescape_html(response.body)).to match("Showing <b>1</b> to <b>20</b> of <b>#{locations.count}</b> locations")
          end

          it "has correct page 1 of 2 title" do
            expect(page).to have_title("#{scheme.service_name} (page 1 of 2) - Submit social housing lettings and sales data (CORE) - GOV.UK")
          end

          it "has pagination links" do
            expect(page).to have_content("Previous")
            expect(page).not_to have_link("Previous")
            expect(page).to have_content("Next")
            expect(page).to have_link("Next")
          end
        end

        context "when on the second page" do
          before do
            get "/schemes/#{scheme.id}/locations?page=2"
          end

          it "shows which schemes are being shown on the current page" do
            expect(CGI.unescape_html(response.body)).to match("Showing <b>21</b> to <b>25</b> of <b>#{locations.count}</b> locations")
          end

          it "has correct page 1 of 2 title" do
            expect(page).to have_title("#{scheme.service_name} (page 2 of 2) - Submit social housing lettings and sales data (CORE) - GOV.UK")
          end

          it "has pagination links" do
            expect(page).to have_content("Previous")
            expect(page).to have_link("Previous")
            expect(page).to have_content("Next")
            expect(page).not_to have_link("Next")
          end
        end
      end
    end
  end
end