require 'rails_helper'

RSpec.describe "Well-known URLs", type: :request do
  describe "GET /nostr" do
    describe "without username param" do
      it "returns a 422 status" do
        get "/.well-known/nostr.json"
        expect(response).to have_http_status(:unprocessable_entity)
      end
    end

    describe "non-existent user" do
      it "returns a 404 status" do
        get "/.well-known/nostr.json?name=bob"
        expect(response).to have_http_status(:not_found)
      end
    end

    describe "user does not have a nostr pubkey configured" do
      let(:user) { create :user, cn: 'spongebob', ou: 'kosmos.org' }

      before do
        allow_any_instance_of(User).to receive(:ldap_entry)
          .and_return({ nostr_key: nil })
      end

      it "returns a 404 status" do
        get "/.well-known/nostr.json?name=spongebob"
        expect(response).to have_http_status(:not_found)
      end
    end

    describe "user with nostr pubkey" do
      let(:user) { create :user, cn: 'bobdylan', ou: 'kosmos.org' }
      before do
        user.save!
        allow_any_instance_of(User).to receive(:nostr_pubkey)
          .and_return('438d35a6750d0dd6b75d032af8a768aad76b62f0c70ecb45f9c4d9e63540f7f4')
      end

      it "returns a NIP-05 response" do
        get "/.well-known/nostr.json?name=bobdylan"
        expect(response).to have_http_status(:ok)
        res = JSON.parse(response.body)
        expect(res["names"].keys.size).to eq(1)
        expect(res["names"]["bobdylan"]).to eq(user.nostr_pubkey)
      end

      it "returns CORS headers" do
        get "/.well-known/nostr.json?name=bobdylan"
        expect(response.headers['Access-Control-Allow-Origin']).to eq("*")
        expect(response.headers['Access-Control-Allow-Methods']).to eq('GET')
      end

      context "without relay configured" do
        before do
          Setting.nostr_relay_url = ""
        end

        it "does not include a recommended relay" do
          get "/.well-known/nostr.json?name=bobdylan"
          res = JSON.parse(response.body)
          expect(res["relays"]).to be_nil
        end
      end

      context "with relay configured" do
        before do
          Setting.nostr_relay_url = "wss://nostr.kosmos.org"
        end

        it "includes a recommended relay" do
          get "/.well-known/nostr.json?name=bobdylan"
          res = JSON.parse(response.body)
          expect(res["relays"][user.nostr_pubkey].length).to eq(1)
          expect(res["relays"][user.nostr_pubkey].first).to eq("wss://nostr.kosmos.org")
        end
      end
    end

    describe "placeholder username for domain's own pubkey" do
      describe "for primary domain" do
        context "no different pubkey configured for primary domain" do
          it "returns the akkounts nostr pubkey" do
            get "/.well-known/nostr.json?name=_"
            res = JSON.parse(response.body)
            expect(res["names"]["_"]).to eq("bdd76ce2934b2f591f9fad2ebe9da18f20d2921de527494ba00eeaa0a0efadcf")
          end
        end

        context "different pubkey configured for primary domain" do
          before do
            Setting.nostr_public_key_primary_domain = "b3e8f62fbe41217ffc0aa1e178d297339932d8ba4f46d9c7df3b61575e78fecc"
          end

          it "returns the primary domain's nostr pubkey" do
            get "/.well-known/nostr.json?name=_"
            res = JSON.parse(response.body)
            expect(res["names"]["_"]).to eq("b3e8f62fbe41217ffc0aa1e178d297339932d8ba4f46d9c7df3b61575e78fecc")
          end
        end
      end

      describe "for akkounts domain" do
        it "returns the configured nostr pubkey" do
          headers = { "X-Forwarded-Host" => "accounts.kosmos.org" }
          get "/.well-known/nostr.json?name=_"

          res = JSON.parse(response.body)
          expect(res["names"]["_"]).to eq("bdd76ce2934b2f591f9fad2ebe9da18f20d2921de527494ba00eeaa0a0efadcf")
        end
      end

      context "with relay configured" do
        before do
          Setting.nostr_relay_url = "wss://nostr.kosmos.org"
        end

        it "returns the pubkey and relay" do
          get "/.well-known/nostr.json?name=_"
          res = JSON.parse(response.body)
          expect(res["relays"]["_"].length).to eq(1)
          expect(res["relays"]["_"].first).to eq("wss://nostr.kosmos.org")
        end
      end

      context "nostr service integration not enabled" do
        before do
          Setting.nostr_enabled = false
        end

        it "returns a 404 status" do
          get "/.well-known/nostr.json?name=_"
          expect(response).to have_http_status(:not_found)
        end
      end
    end
  end
end