# frozen_string_literal: true

RSpec.describe Auth::FacebookAuthenticator do
  let(:hash) do
    {
      provider: "facebook",
      extra: {
        raw_info: {
        },
      },
      info: {
        email: "bob@bob.com",
        first_name: "Bob",
        last_name: "Smith",
      },
      uid: "100",
    }
  end

  let(:authenticator) { Auth::FacebookAuthenticator.new }

  describe "after_authenticate" do
    it "can authenticate and create a user record for already existing users" do
      user = Fabricate(:user)
      result = authenticator.after_authenticate(hash.deep_merge(info: { email: user.email }))
      expect(result.user.id).to eq(user.id)
    end

    it "can connect to a different existing user account" do
      user1 = Fabricate(:user)
      user2 = Fabricate(:user)

      UserAssociatedAccount.create!(provider_name: "facebook", user_id: user1.id, provider_uid: 100)

      result = authenticator.after_authenticate(hash, existing_account: user2)

      expect(result.user.id).to eq(user2.id)
      expect(UserAssociatedAccount.exists?(provider_name: "facebook", user_id: user1.id)).to eq(
        false,
      )
      expect(UserAssociatedAccount.exists?(provider_name: "facebook", user_id: user2.id)).to eq(
        true,
      )
    end

    it "can create a proper result for non existing users" do
      result = authenticator.after_authenticate(hash)
      expect(result.user).to eq(nil)
      expect(result.name).to eq("Bob Smith")
    end
  end

  describe "description_for_user" do
    fab!(:user) { Fabricate(:user) }

    it "returns empty string if no entry for user" do
      expect(authenticator.description_for_user(user)).to eq("")
    end

    it "returns correct information" do
      UserAssociatedAccount.create!(
        provider_name: "facebook",
        user_id: user.id,
        provider_uid: 100,
        info: {
          email: "someuser@somedomain.tld",
        },
      )
      expect(authenticator.description_for_user(user)).to eq("someuser@somedomain.tld")
    end
  end

  describe "revoke" do
    fab!(:user) { Fabricate(:user) }
    let(:authenticator) { Auth::FacebookAuthenticator.new }

    it "raises exception if no entry for user" do
      expect { authenticator.revoke(user) }.to raise_error(Discourse::NotFound)
    end

    context "with valid record" do
      before do
        SiteSetting.facebook_app_id = "123"
        SiteSetting.facebook_app_secret = "abcde"
        UserAssociatedAccount.create!(
          provider_name: "facebook",
          user_id: user.id,
          provider_uid: 100,
          info: {
            email: "someuser@somedomain.tld",
          },
        )
      end

      it "revokes correctly" do
        expect(authenticator.description_for_user(user)).to eq("someuser@somedomain.tld")
        expect(authenticator.can_revoke?).to eq(true)
        expect(authenticator.revoke(user)).to eq(true)
        expect(authenticator.description_for_user(user)).to eq("")
      end
    end
  end
end