require "rails_helper"

RSpec.describe Organisation, type: :model do
  describe "#new" do
    let(:user) { create(:user) }
    let!(:organisation) { user.organisation }
    let!(:scheme) { create(:scheme, owning_organisation: organisation) }

    it "has expected fields" do
      expect(organisation.attribute_names).to include("name", "phone", "provider_type")
    end

    it "has owned_schemes" do
      expect(organisation.owned_schemes.first).to eq(scheme)
    end

    it "validates provider_type presence" do
      expect { create(:organisation, provider_type: nil) }
        .to raise_error(ActiveRecord::RecordInvalid, "Validation failed: Provider type #{I18n.t('validations.organisation.provider_type_missing')}")
    end

    context "with parent/child associations", :aggregate_failures do
      let!(:child_organisation) { create(:organisation, name: "DLUHC Child") }
      let!(:grandchild_organisation) { create(:organisation, name: "DLUHC Grandchild") }

      before do
        create(
          :organisation_relationship,
          child_organisation:,
          parent_organisation: organisation,
        )

        create(
          :organisation_relationship,
          child_organisation: grandchild_organisation,
          parent_organisation: child_organisation,
        )
      end

      it "has correct child_organisations" do
        expect(organisation.child_organisations).to eq([child_organisation])
        expect(child_organisation.child_organisations).to eq([grandchild_organisation])
      end

      it "has correct parent_organisations" do
        expect(child_organisation.parent_organisations).to eq([organisation])
        expect(grandchild_organisation.parent_organisations).to eq([child_organisation])
      end
    end

    context "with owning association", :aggregate_failures do
      let!(:child_organisation) { create(:organisation, name: "DLUHC Child") }
      let!(:grandchild_organisation) { create(:organisation, name: "DLUHC Grandchild") }

      before do
        create(
          :organisation_relationship,
          child_organisation:,
          parent_organisation: organisation,
        )

        create(
          :organisation_relationship,
          child_organisation: grandchild_organisation,
          parent_organisation: child_organisation,
        )
      end

      it "has correct stock_owners" do
        expect(child_organisation.stock_owners).to eq([organisation])
        expect(grandchild_organisation.stock_owners).to eq([child_organisation])
      end
    end

    context "with managing association", :aggregate_failures do
      let!(:child_organisation) { create(:organisation, name: "DLUHC Child") }
      let!(:grandchild_organisation) { create(:organisation, name: "DLUHC Grandchild") }

      before do
        create(
          :organisation_relationship,
          child_organisation:,
          parent_organisation: organisation,
        )

        create(
          :organisation_relationship,
          child_organisation: grandchild_organisation,
          parent_organisation: child_organisation,
        )
      end

      it "has correct managing_agents" do
        expect(organisation.managing_agents).to eq([child_organisation])
        expect(child_organisation.managing_agents).to eq([grandchild_organisation])
        expect(grandchild_organisation.managing_agents).to eq([])
      end
    end

    context "with data protection confirmations" do
      before do
        create(:data_protection_confirmation, organisation:, confirmed: false, created_at: Time.utc(2018, 0o6, 0o5, 10, 36, 49))
        create(:data_protection_confirmation, organisation:, created_at: Time.utc(2019, 0o6, 0o5, 10, 36, 49))
      end

      it "takes the most recently created" do
        expect(organisation.data_protection_confirmed?).to be true
      end
    end

    context "when the organisation only uses specific rent periods" do
      let(:rent_period_mappings) do
        { "2" => { "value" => "Weekly for 52 weeks" }, "3" => { "value" => "Every 2 weeks" } }
      end

      before do
        create(:organisation_rent_period, organisation:, rent_period: 2)
        create(:organisation_rent_period, organisation:, rent_period: 3)

        # Unmapped and ignored by `rent_period_labels`
        create(:organisation_rent_period, organisation:, rent_period: 10)
        allow(RentPeriod).to receive(:rent_period_mappings).and_return(rent_period_mappings)
      end

      it "has rent periods associated" do
        expect(organisation.rent_periods).to eq([2, 3, 10])
      end

      it "maps the rent periods to display values" do
        expect(organisation.rent_period_labels).to eq(["Weekly for 52 weeks", "Every 2 weeks"])
      end
    end

    context "when the organisation has not specified which rent periods it uses" do
      it "displays `all`" do
        expect(organisation.rent_period_labels).to eq(%w[All])
      end
    end

    context "with lettings logs" do
      let(:other_organisation) { create(:organisation) }
      let!(:owned_lettings_log) do
        create(
          :lettings_log,
          :completed,
          managing_organisation: other_organisation,
          created_by: user,
        )
      end
      let!(:managed_lettings_log) do
        create(
          :lettings_log,
          created_by: user,
        )
      end

      it "has owned lettings logs" do
        expect(organisation.owned_lettings_logs.first).to eq(owned_lettings_log)
      end

      it "has managed lettings logs" do
        expect(organisation.managed_lettings_logs.first).to eq(managed_lettings_log)
      end

      it "has lettings logs" do
        expect(organisation.lettings_logs.to_a).to match_array([owned_lettings_log, managed_lettings_log])
      end
    end
  end

  describe "paper trail" do
    let(:organisation) { create(:organisation) }

    it "creates a record of changes to a log" do
      expect { organisation.update!(name: "new test name") }.to change(organisation.versions, :count).by(1)
    end

    it "allows lettings logs to be restored to a previous version" do
      organisation.update!(name: "new test name")
      expect(organisation.paper_trail.previous_version.name).to eq("DLUHC")
    end
  end

  describe "delete cascade" do
    context "when the organisation is deleted" do
      let!(:organisation) { create(:organisation) }
      let!(:user) { create(:user, :support, last_sign_in_at: Time.zone.now, organisation:) }
      let!(:scheme_to_delete) { create(:scheme, owning_organisation: user.organisation) }
      let!(:log_to_delete) { create(:lettings_log, owning_organisation: user.organisation) }
      let!(:sales_log_to_delete) { create(:sales_log, owning_organisation: user.organisation) }

      context "when organisation is deleted" do
        it "child relationships ie logs, schemes and users are deleted too - application" do
          organisation.destroy!
          expect { organisation.reload }.to raise_error(ActiveRecord::RecordNotFound)
          expect { LettingsLog.find(log_to_delete.id) }.to raise_error(ActiveRecord::RecordNotFound)
          expect { Scheme.find(scheme_to_delete.id) }.to raise_error(ActiveRecord::RecordNotFound)
          expect { User.find(user.id) }.to raise_error(ActiveRecord::RecordNotFound)
          expect { SalesLog.find(sales_log_to_delete.id) }.to raise_error(ActiveRecord::RecordNotFound)
        end

        it "child relationships ie logs, schemes and users are deleted too - database" do
          ActiveRecord::Base.connection.exec_query("DELETE FROM organisations WHERE id = #{organisation.id};")
          expect { LettingsLog.find(log_to_delete.id) }.to raise_error(ActiveRecord::RecordNotFound)
          expect { Scheme.find(scheme_to_delete.id) }.to raise_error(ActiveRecord::RecordNotFound)
          expect { User.find(user.id) }.to raise_error(ActiveRecord::RecordNotFound)
          expect { SalesLog.find(sales_log_to_delete.id) }.to raise_error(ActiveRecord::RecordNotFound)
        end
      end
    end
  end

  describe "scopes" do
    before do
      create(:organisation, name: "Joe Bloggs")
      create(:organisation, name: "Tom Smith")
    end

    context "when searching by name" do
      it "returns case insensitive matching records" do
        expect(described_class.search_by_name("Joe").count).to eq(1)
        expect(described_class.search_by_name("joe").count).to eq(1)
      end
    end

    context "when searching by all searchable field" do
      it "returns case insensitive matching records" do
        expect(described_class.search_by("Joe").count).to eq(1)
        expect(described_class.search_by("joe").count).to eq(1)
      end
    end
  end

  describe "display_organisation_attributes" do
    let(:organisation) { create(:organisation) }

    it "does not include data protection agreement" do
      expect(organisation.display_organisation_attributes).to eq(
        [{ editable: true, name: "Name", value: "DLUHC" },
         { editable: false, name: "Organisation ID", value: "ORG#{organisation.id}" },
         { editable: true,
           name: "Address",
           value: "2 Marsham Street\nLondon\nSW1P 4DF" },
         { editable: true, name: "Telephone number", value: nil },
         { editable: false, name: "Type of provider", value: "Local authority" },
         { editable: false, name: "Registration number", value: "1234" },
         { editable: false, format: :bullet, name: "Rent periods", value: %w[All] },
         { editable: false, name: "Owns housing stock", value: "Yes" }],
      )
    end
  end
end