# frozen_string_literal: true

require 'rails_helper'

describe AdminDashboardData do
  after do
    AdminDashboardData.reset_problem_checks
    Discourse.redis.flushdb
  end

  describe "#fetch_problems" do
    describe "adding problem messages" do
      it "adds the message and returns it when the problems are fetched" do
        AdminDashboardData.add_problem_message("dashboard.bad_favicon_url")
        problems = AdminDashboardData.fetch_problems.map(&:to_s)
        expect(problems).to include(I18n.t("dashboard.bad_favicon_url", { base_path: Discourse.base_path }))
      end

      it "does not allow adding of arbitrary problem messages, they must exist in AdminDashboardData.problem_messages" do
        AdminDashboardData.add_problem_message("errors.messages.invalid")
        problems = AdminDashboardData.fetch_problems.map(&:to_s)
        expect(problems).not_to include(I18n.t("errors.messages.invalid"))
      end
    end

    describe "adding new checks" do
      it 'calls the passed block' do
        AdminDashboardData.add_problem_check do
          "a problem was found"
        end

        problems = AdminDashboardData.fetch_problems
        expect(problems.map(&:to_s)).to include("a problem was found")
      end

      it 'calls the passed method' do
        klass = Class.new(AdminDashboardData) do
          def my_test_method
            "a problem was found"
          end
        end

        klass.add_problem_check :my_test_method

        problems = klass.fetch_problems
        expect(problems.map(&:to_s)).to include("a problem was found")
      end
    end
  end

  describe "adding scheduled checks" do
    it "adds the passed block to the scheduled checks" do
      called = false
      AdminDashboardData.add_scheduled_problem_check(:test_identifier) do
        called = true
      end

      AdminDashboardData.execute_scheduled_checks
      expect(called).to eq(true)
    end

    it "adds a found problem from a scheduled check" do
      AdminDashboardData.add_scheduled_problem_check(:test_identifier) do
        AdminDashboardData::Problem.new("test problem")
      end

      AdminDashboardData.execute_scheduled_checks
      problems = AdminDashboardData.load_found_scheduled_check_problems
      expect(problems.first).to be_a(AdminDashboardData::Problem)
      expect(problems.first.message).to eq("test problem")
    end

    it "does not add duplicate problems with the same identifier" do
      prob1 = AdminDashboardData::Problem.new("test problem", identifier: "test")
      prob2 = AdminDashboardData::Problem.new("test problem 2", identifier: "test")
      AdminDashboardData.add_found_scheduled_check_problem(prob1)
      AdminDashboardData.add_found_scheduled_check_problem(prob2)
      expect(AdminDashboardData.load_found_scheduled_check_problems.map(&:to_s)).to eq(["test problem"])
    end

    it "does not error when loading malformed problems saved in redis" do
      Discourse.redis.set(AdminDashboardData::SCHEDULED_PROBLEM_STORAGE_KEY, "{ 'badjson")
      expect(AdminDashboardData.load_found_scheduled_check_problems).to eq([])
    end

    it "clears a specific problem by identifier" do
      prob1 = AdminDashboardData::Problem.new("test problem 1", identifier: "test")
      AdminDashboardData.add_found_scheduled_check_problem(prob1)
      AdminDashboardData.clear_found_problem("test")
      expect(AdminDashboardData.load_found_scheduled_check_problems).to eq([])
    end

    it "defaults to low priority, and uses low priority if an invalid priority is passed" do
      prob1 = AdminDashboardData::Problem.new("test problem 1")
      prob2 = AdminDashboardData::Problem.new("test problem 2", priority: "superbad")
      expect(prob1.priority).to eq("low")
      expect(prob2.priority).to eq("low")
    end
  end

  describe 'stats cache' do
    include_examples 'stats cacheable'
  end

  describe '#problem_message_check' do
    let(:key) { AdminDashboardData.problem_messages.first }

    after do
      described_class.clear_problem_message(key)
    end

    it 'returns nil if message has not been added' do
      expect(described_class.problem_message_check(key)).to be_nil
    end

    it 'returns a message if it was added' do
      described_class.add_problem_message(key)
      expect(described_class.problem_message_check(key)).to eq(I18n.t(key, base_path: Discourse.base_path))
    end

    it 'returns a message if it was added with an expiry' do
      described_class.add_problem_message(key, 300)
      expect(described_class.problem_message_check(key)).to eq(I18n.t(key, base_path: Discourse.base_path))
    end
  end

  describe "rails_env_check" do
    subject { described_class.new.rails_env_check }

    it 'returns nil when running in production mode' do
      Rails.stubs(env: ActiveSupport::StringInquirer.new('production'))
      expect(subject).to be_nil
    end

    it 'returns a string when running in development mode' do
      Rails.stubs(env: ActiveSupport::StringInquirer.new('development'))
      expect(subject).to_not be_nil
    end

    it 'returns a string when running in test mode' do
      Rails.stubs(env: ActiveSupport::StringInquirer.new('test'))
      expect(subject).to_not be_nil
    end
  end

  describe 'host_names_check' do
    subject { described_class.new.host_names_check }

    it 'returns nil when host_names is set' do
      Discourse.stubs(:current_hostname).returns('something.com')
      expect(subject).to be_nil
    end

    it 'returns a string when host_name is localhost' do
      Discourse.stubs(:current_hostname).returns('localhost')
      expect(subject).to_not be_nil
    end

    it 'returns a string when host_name is production.localhost' do
      Discourse.stubs(:current_hostname).returns('production.localhost')
      expect(subject).to_not be_nil
    end
  end

  describe 'sidekiq_check' do
    subject { described_class.new.sidekiq_check }

    it 'returns nil when sidekiq processed a job recently' do
      Jobs.stubs(:last_job_performed_at).returns(1.minute.ago)
      Jobs.stubs(:queued).returns(0)
      expect(subject).to be_nil
    end

    it 'returns nil when last job processed was a long time ago, but no jobs are queued' do
      Jobs.stubs(:last_job_performed_at).returns(7.days.ago)
      Jobs.stubs(:queued).returns(0)
      expect(subject).to be_nil
    end

    it 'returns nil when no jobs have ever been processed, but no jobs are queued' do
      Jobs.stubs(:last_job_performed_at).returns(nil)
      Jobs.stubs(:queued).returns(0)
      expect(subject).to be_nil
    end

    it 'returns a string when no jobs were processed recently and some jobs are queued' do
      Jobs.stubs(:last_job_performed_at).returns(20.minutes.ago)
      Jobs.stubs(:queued).returns(1)
      expect(subject).to_not be_nil
    end

    it 'returns a string when no jobs have ever been processed, and some jobs are queued' do
      Jobs.stubs(:last_job_performed_at).returns(nil)
      Jobs.stubs(:queued).returns(1)
      expect(subject).to_not be_nil
    end
  end

  describe 'ram_check' do
    subject { described_class.new.ram_check }

    it 'returns nil when total ram is 1 GB' do
      MemInfo.any_instance.stubs(:mem_total).returns(1025272)
      expect(subject).to be_nil
    end

    it 'returns nil when total ram cannot be determined' do
      MemInfo.any_instance.stubs(:mem_total).returns(nil)
      expect(subject).to be_nil
    end

    it 'returns a string when total ram is less than 1 GB' do
      MemInfo.any_instance.stubs(:mem_total).returns(512636)
      expect(subject).to_not be_nil
    end
  end

  describe 'auth_config_checks' do

    shared_examples 'problem detection for login providers' do
      context 'when disabled' do
        it 'returns nil' do
          SiteSetting.set(enable_setting, false)
          expect(subject).to be_nil
        end
      end

      context 'when enabled' do
        before do
          SiteSetting.set(enable_setting, true)
        end

        it 'returns nil when key and secret are set' do
          SiteSetting.set(key, '12313213')
          SiteSetting.set(secret, '12312313123')
          expect(subject).to be_nil
        end

        it 'returns a string when key is not set' do
          SiteSetting.set(key, '')
          SiteSetting.set(secret, '12312313123')
          expect(subject).to_not be_nil
        end

        it 'returns a string when secret is not set' do
          SiteSetting.set(key, '123123')
          SiteSetting.set(secret, '')
          expect(subject).to_not be_nil
        end

        it 'returns a string when key and secret are not set' do
          SiteSetting.set(key, '')
          SiteSetting.set(secret, '')
          expect(subject).to_not be_nil
        end
      end
    end

    describe 'facebook' do
      subject { described_class.new.facebook_config_check }
      let(:enable_setting) { :enable_facebook_logins }
      let(:key) { :facebook_app_id }
      let(:secret) { :facebook_app_secret }
      include_examples 'problem detection for login providers'
    end

    describe 'twitter' do
      subject { described_class.new.twitter_config_check }
      let(:enable_setting) { :enable_twitter_logins }
      let(:key) { :twitter_consumer_key }
      let(:secret) { :twitter_consumer_secret }
      include_examples 'problem detection for login providers'
    end

    describe 'github' do
      subject { described_class.new.github_config_check }
      let(:enable_setting) { :enable_github_logins }
      let(:key) { :github_client_id }
      let(:secret) { :github_client_secret }
      include_examples 'problem detection for login providers'
    end
  end

  describe 'force_https_check' do
    subject { described_class.new(check_force_https: true).force_https_check }

    it 'returns nil if force_https site setting enabled' do
      SiteSetting.force_https = true
      expect(subject).to be_nil
    end

    it 'returns nil if force_https site setting not enabled' do
      SiteSetting.force_https = false
      expect(subject).to eq(I18n.t('dashboard.force_https_warning', base_path: Discourse.base_path))
    end
  end

  describe 'ignore force_https_check' do
    subject { described_class.new(check_force_https: false).force_https_check }

    it 'returns nil' do
      SiteSetting.force_https = true
      expect(subject).to be_nil

      SiteSetting.force_https = false
      expect(subject).to be_nil
    end
  end

  describe '#out_of_date_themes' do
    let(:remote) { RemoteTheme.create!(remote_url: "https://github.com/org/testtheme") }
    let!(:theme) { Fabricate(:theme, remote_theme: remote, name: "Test< Theme") }

    it "outputs correctly formatted html" do
      remote.update!(local_version: "old version", remote_version: "new version", commits_behind: 2)
      dashboard_data = described_class.new
      expect(dashboard_data.out_of_date_themes).to eq(
        I18n.t("dashboard.out_of_date_themes") + "<ul><li><a href=\"/admin/customize/themes/#{theme.id}\">Test&lt; Theme</a></li></ul>"
      )

      remote.update!(local_version: "new version", commits_behind: 0)
      expect(dashboard_data.out_of_date_themes).to eq(nil)
    end
  end

  describe '#unreachable_themes' do
    let(:remote) { RemoteTheme.create!(remote_url: "https://github.com/org/testtheme", last_error_text: "can't reach repo :'(") }
    let!(:theme) { Fabricate(:theme, remote_theme: remote, name: "Test< Theme") }

    it "outputs correctly formatted html" do
      dashboard_data = described_class.new
      expect(dashboard_data.unreachable_themes).to eq(
        I18n.t("dashboard.unreachable_themes") + "<ul><li><a href=\"/admin/customize/themes/#{theme.id}\">Test&lt; Theme</a></li></ul>"
      )

      remote.update!(last_error_text: nil)
      expect(dashboard_data.out_of_date_themes).to eq(nil)
    end
  end
end