require "rails_helper"

RSpec.describe Location, type: :model do
  describe "#new" do
    let(:location) { FactoryBot.build(:location) }

    before do
      stub_request(:get, /api.postcodes.io/)
        .to_return(status: 200, body: "{\"status\":200,\"result\":{\"admin_district\":\"Manchester\",\"codes\":{\"admin_district\": \"E08000003\"}}}", headers: {})
    end

    it "belongs to an organisation" do
      expect(location.scheme).to be_a(Scheme)
    end

    it "infers the local authority" do
      location.postcode = "M1 1AE"
      location.save!
      expect(location.location_code).to eq("E08000003")
    end
  end

  describe "#validate_postcode" do
    let(:location) { FactoryBot.build(:location) }

    it "does not add an error if postcode is valid" do
      location.postcode = "M1 1AE"
      location.save!
      expect(location.errors).to be_empty
    end

    it "does add an error when the postcode is invalid" do
      location.postcode = "invalid"
      expect { location.save! }
        .to raise_error(ActiveRecord::RecordInvalid, "Validation failed: Postcode #{I18n.t('validations.postcode')}")
    end
  end

  describe "#units" do
    let(:location) { FactoryBot.build(:location) }

    it "does add an error when the postcode is invalid" do
      location.units = nil
      expect { location.save! }
        .to raise_error(ActiveRecord::RecordInvalid, "Validation failed: Units #{I18n.t('activerecord.errors.models.location.attributes.units.blank')}")
    end
  end

  describe "#type_of_unit" do
    let(:location) { FactoryBot.build(:location) }

    it "does add an error when the postcode is invalid" do
      location.type_of_unit = nil
      expect { location.save! }
        .to raise_error(ActiveRecord::RecordInvalid, "Validation failed: Type of unit #{I18n.t('activerecord.errors.models.location.attributes.type_of_unit.blank')}")
    end
  end

  describe "paper trail" do
    let(:location) { FactoryBot.create(:location) }
    let!(:name) { location.name }

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

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

  describe "scopes" do
    before do
      FactoryBot.create(:location, name: "ABC", postcode: "NW1 8RR", startdate: Time.zone.today)
      FactoryBot.create(:location, name: "XYZ", postcode: "SE1 6HJ", startdate: Time.zone.today + 1.day)
      FactoryBot.create(:location, name: "GHQ", postcode: "EW1 7JK", startdate: Time.zone.today - 1.day, confirmed: false)
      FactoryBot.create(:location, name: "GHQ", postcode: "EW1 7JK", startdate: nil)
    end

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

    context "when searching by postcode" do
      it "returns case insensitive matching records" do
        expect(described_class.search_by_postcode("se1 6hj").count).to eq(1)
        expect(described_class.search_by_postcode("SE1 6HJ").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("aBc").count).to eq(1)
        expect(described_class.search_by("nw18rr").count).to eq(1)
      end
    end

    context "when filtering by started locations" do
      it "returns only locations that started today or earlier" do
        expect(described_class.started.count).to eq(3)
      end
    end

    context "when filtering by active locations" do
      it "returns only locations that started today or earlier and have been confirmed" do
        expect(described_class.active.count).to eq(2)
      end
    end
  end
end