require 'rails_helper'

RSpec.describe SearchLog, type: :model do

  after do
    SearchLog.clear_debounce_cache!
  end

  describe ".log" do

    context "invalid arguments" do
      it "no search type returns error" do
        status, _ = SearchLog.log(
          term: 'bounty hunter',
          search_type: :missing,
          ip_address: '127.0.0.1'
        )
        expect(status).to eq(:error)
      end

      it "no IP returns error" do
        status, _ = SearchLog.log(
          term: 'bounty hunter',
          search_type: :header,
          ip_address: nil
        )
        expect(status).to eq(:error)
      end
    end

    context "when anonymous" do
      it "logs and updates the search" do
        freeze_time
        action, log_id = SearchLog.log(
          term: 'jabba',
          search_type: :header,
          ip_address: '192.168.0.33'
        )
        expect(action).to eq(:created)
        log = SearchLog.find(log_id)
        expect(log.term).to eq('jabba')
        expect(log.search_type).to eq(SearchLog.search_types[:header])
        expect(log.ip_address).to eq('192.168.0.33')

        action, updated_log_id = SearchLog.log(
          term: 'jabba the hut',
          search_type: :header,
          ip_address: '192.168.0.33'
        )
        expect(action).to eq(:updated)
        expect(updated_log_id).to eq(log_id)
      end

      it "creates a new search with a different prefix" do
        freeze_time
        action, _ = SearchLog.log(
          term: 'darth',
          search_type: :header,
          ip_address: '127.0.0.1'
        )
        expect(action).to eq(:created)

        action, _ = SearchLog.log(
          term: 'anakin',
          search_type: :header,
          ip_address: '127.0.0.1'
        )
        expect(action).to eq(:created)
      end

      it "creates a new search with a different ip" do
        freeze_time
        action, _ = SearchLog.log(
          term: 'darth',
          search_type: :header,
          ip_address: '127.0.0.1'
        )
        expect(action).to eq(:created)

        action, _ = SearchLog.log(
          term: 'darth',
          search_type: :header,
          ip_address: '127.0.0.2'
        )
        expect(action).to eq(:created)
      end
    end

    context "when logged in" do
      let(:user) { Fabricate(:user) }

      it "logs and updates the search" do
        freeze_time
        action, log_id = SearchLog.log(
          term: 'hello',
          search_type: :full_page,
          ip_address: '192.168.0.1',
          user_id: user.id
        )
        expect(action).to eq(:created)
        log = SearchLog.find(log_id)
        expect(log.term).to eq('hello')
        expect(log.search_type).to eq(SearchLog.search_types[:full_page])
        expect(log.ip_address).to eq(nil)
        expect(log.user_id).to eq(user.id)

        action, updated_log_id = SearchLog.log(
          term: 'hello dolly',
          search_type: :header,
          ip_address: '192.168.0.33',
          user_id: user.id
        )
        expect(action).to eq(:updated)
        expect(updated_log_id).to eq(log_id)
      end

      it "logs again if time has passed" do
        freeze_time(10.minutes.ago)

        action, _ = SearchLog.log(
          term: 'hello',
          search_type: :full_page,
          ip_address: '192.168.0.1',
          user_id: user.id
        )
        expect(action).to eq(:created)

        freeze_time(10.minutes.from_now)
        $redis.del(SearchLog.redis_key(ip_address: '192.168.0.1', user_id: user.id))

        action, _ = SearchLog.log(
          term: 'hello',
          search_type: :full_page,
          ip_address: '192.168.0.1',
          user_id: user.id
        )

        expect(action).to eq(:created)
      end

      it "logs again with a different user" do
        freeze_time

        action, _ = SearchLog.log(
          term: 'hello',
          search_type: :full_page,
          ip_address: '192.168.0.1',
          user_id: user.id
        )
        expect(action).to eq(:created)

        action, _ = SearchLog.log(
          term: 'hello dolly',
          search_type: :full_page,
          ip_address: '192.168.0.1',
          user_id: Fabricate(:user).id
        )
        expect(action).to eq(:created)
      end

    end
  end

  describe ".term_details" do
    it "should only use the date for the period" do
      time = Time.new(2019, 5, 23, 18, 15, 30)
      freeze_time(time)

      search_log = Fabricate(:search_log, created_at: time - 1.hour)
      search_log2 = Fabricate(:search_log, created_at: time + 1.hour)

      details = SearchLog.term_details(search_log.term, :daily)

      expect(details[:data].first[:y]).to eq(2)
    end

    it "correctly returns term details" do
      Fabricate(:search_log, term: "ruby")
      Fabricate(:search_log, term: "ruBy", user: Fabricate(:user))
      Fabricate(:search_log, term: "ruby core", ip_address: "127.0.0.3")

      Fabricate(:search_log,
        term: "ruBy",
        search_type: SearchLog.search_types[:full_page],
        ip_address: "127.0.0.2"
      )

      term_details = SearchLog.term_details("ruby")
      expect(term_details[:data][0][:y]).to eq(3)

      term_header_details = SearchLog.term_details("ruby", :all, :header)
      expect(term_header_details[:data][0][:y]).to eq(2)

      SearchLog
        .where("lower(term) = ?", 'ruby')
        .where(ip_address: '127.0.0.2')
        .update_all(search_result_id: 24)

      term_click_through_details = SearchLog.term_details("ruby", :all, :click_through_only)
      expect(term_click_through_details[:period]).to eq("all")
      expect(term_click_through_details[:data][0][:y]).to eq(1)
    end
  end

  context "trending" do
    let(:user) { Fabricate(:user) }
    before do
      SearchLog.log(term: 'ruby', search_type: :header, ip_address: '127.0.0.1')
      SearchLog.log(term: 'php', search_type: :header, ip_address: '127.0.0.1')
      SearchLog.log(term: 'java', search_type: :header, ip_address: '127.0.0.1')
      SearchLog.log(term: 'ruby', search_type: :header, ip_address: '127.0.0.1', user_id: user.id)
      SearchLog.log(term: 'swift', search_type: :header, ip_address: '127.0.0.1')
      SearchLog.log(term: 'ruby', search_type: :header, ip_address: '127.0.0.2')
    end

    it "considers time period" do
      expect(SearchLog.trending.to_a.count).to eq(4)

      SearchLog.where(term: 'swift').update_all(created_at: 1.year.ago)
      expect(SearchLog.trending(:monthly).to_a.count).to eq(3)
    end

    it "correctly returns trending data" do
      top_trending = SearchLog.trending.first
      expect(top_trending.term).to eq("ruby")
      expect(top_trending.searches).to eq(3)
      expect(top_trending.click_through).to eq(0)

      SearchLog.where(term: 'ruby', ip_address: '127.0.0.1').update_all(search_result_id: 12)
      SearchLog.where(term: 'ruby', user_id: user.id).update_all(search_result_id: 12)
      SearchLog.where(term: 'ruby', ip_address: '127.0.0.2').update_all(search_result_id: 24)
      top_trending = SearchLog.trending.first
      expect(top_trending.click_through).to eq(3)
    end
  end

  context "clean_up" do

    it "will remove old logs" do
      SearchLog.log(term: 'jawa', search_type: :header, ip_address: '127.0.0.1')
      SearchLog.log(term: 'jedi', search_type: :header, ip_address: '127.0.0.1')
      SearchLog.log(term: 'rey', search_type: :header, ip_address: '127.0.0.1')
      SearchLog.log(term: 'finn', search_type: :header, ip_address: '127.0.0.1')

      SiteSetting.search_query_log_max_size = 5
      SearchLog.clean_up
      expect(SearchLog.count).to eq(4)

      SiteSetting.search_query_log_max_size = 2
      SearchLog.clean_up
      expect(SearchLog.count).to eq(2)
      expect(SearchLog.where(term: 'rey').first).to be_present
      expect(SearchLog.where(term: 'finn').first).to be_present
    end

  end

end