require 'rails_helper'
require_dependency 'user'

describe UserSerializer do

  context "with a TL0 user seen as anonymous" do
    let(:user) { Fabricate.build(:user, trust_level: 0, user_profile: Fabricate.build(:user_profile)) }
    let(:serializer) { UserSerializer.new(user, scope: Guardian.new, root: false) }
    let(:json) { serializer.as_json }

    let(:untrusted_attributes) { %i{bio_raw bio_cooked bio_excerpt location website profile_background card_background} }

    it "doesn't serialize untrusted attributes" do
      untrusted_attributes.each { |attr| expect(json).not_to have_key(attr) }
    end
  end

  context "as current user" do
    it "serializes options correctly" do
      # so we serialize more stuff
      SiteSetting.edit_history_visible_to_public = false

      user = Fabricate.build(:user,
                              user_profile: Fabricate.build(:user_profile),
                              user_option: UserOption.new(edit_history_public: true),
                              user_stat: UserStat.new
                            )

      json = UserSerializer.new(user, scope: Guardian.new(user), root: false).as_json

      expect(json[:user_option][:edit_history_public]).to eq(true)

    end
  end

  context "with a user" do
    let(:user) { Fabricate.build(:user, user_profile: Fabricate.build(:user_profile) ) }
    let(:serializer) { UserSerializer.new(user, scope: Guardian.new, root: false) }
    let(:json) { serializer.as_json }

    it "produces json" do
      expect(json).to be_present
    end

    context "with `enable_names` true" do
      before do
        SiteSetting.enable_names = true
      end

      it "has a name" do
        expect(json[:name]).to be_present
      end
    end


    context "with `enable_names` false" do
      before do
        SiteSetting.stubs(:enable_names?).returns(false)
      end

      it "has a name" do
        expect(json[:name]).to be_blank
      end
    end

    context "with filled out card background" do
      before do
        user.user_profile.card_background = 'http://card.com'
      end

      it "has a profile background" do
        expect(json[:card_background]).to eq 'http://card.com'
      end
    end

    context "with filled out profile background" do
      before do
        user.user_profile.profile_background = 'http://background.com'
      end

      it "has a profile background" do
        expect(json[:profile_background]).to eq 'http://background.com'
      end
    end

    context "with filled out website" do
      before do
        user.user_profile.website = 'http://example.com/user'
      end

      it "has a website" do
        expect(json[:website]).to eq 'http://example.com/user'
      end

      context "has a website name" do
        it "returns website host name when instance domain is not same as website domain" do
          Discourse.stubs(:current_hostname).returns('discourse.org')
          expect(json[:website_name]).to eq 'example.com'
        end

        it "returns complete website path when instance domain is same as website domain" do
          Discourse.stubs(:current_hostname).returns('example.com')
          expect(json[:website_name]).to eq 'example.com/user'
        end

        it "returns complete website path when website domain is parent of instance domain" do
          Discourse.stubs(:current_hostname).returns('forums.example.com')
          expect(json[:website_name]).to eq 'example.com/user'
        end
      end
    end

    context "with filled out bio" do
      before do
        user.user_profile.bio_raw = 'my raw bio'
        user.user_profile.bio_cooked = 'my cooked bio'
      end

      it "has a bio" do
        expect(json[:bio_raw]).to eq 'my raw bio'
      end

      it "has a cooked bio" do
        expect(json[:bio_cooked]).to eq 'my cooked bio'
      end
    end
  end

  context "with custom_fields" do
    let(:user) { Fabricate(:user) }
    let(:json) { UserSerializer.new(user, scope: Guardian.new, root: false).as_json }

    before do
      user.custom_fields['secret_field'] = 'Only for me to know'
      user.custom_fields['public_field'] = 'Everyone look here'
      user.save
    end

    it "doesn't serialize the fields by default" do
      json[:custom_fields]
      expect(json[:custom_fields]).to be_empty
    end

    it "serializes the fields listed in public_user_custom_fields site setting" do
      SiteSetting.stubs(:public_user_custom_fields).returns('public_field')
      expect(json[:custom_fields]['public_field']).to eq(user.custom_fields['public_field'])
      expect(json[:custom_fields]['secret_field']).to eq(nil)
    end
  end
end