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defmodule Plausible.Stats.QueryTest do
  use Plausible.DataCase
  alias Plausible.Stats
  alias Plausible.Stats.{ParsedQueryParams, QueryBuilder, QueryInclude}

  @user_id 123

  setup [:create_user, :create_site]

  describe "timeseries" do
    test "breakdown by time:minute (internal API), counts visitors and visits in all buckets their session was active in",
         %{site: site} do
      populate_stats(site, [
        build(:pageview, user_id: @user_id, timestamp: ~N[2021-01-01 00:00:00]),
        build(:pageview, user_id: @user_id, timestamp: ~N[2021-01-01 00:10:00])
      ])

      {:ok, query} =
        QueryBuilder.build(site, %ParsedQueryParams{
          metrics: [:visitors, :visits, :pageviews],
          input_date_range: {:datetime_range, ~U[2021-01-01 00:00:00Z], ~U[2021-01-01 00:10:00Z]},
          dimensions: ["time:minute"]
        })

      %Stats.QueryResult{results: results} = Stats.query(site, query)

      assert results == [
               %{dimensions: ["2021-01-01 00:00:00"], metrics: [1, 1, 1]},
               %{dimensions: ["2021-01-01 00:01:00"], metrics: [1, 1, 0]},
               %{dimensions: ["2021-01-01 00:02:00"], metrics: [1, 1, 0]},
               %{dimensions: ["2021-01-01 00:03:00"], metrics: [1, 1, 0]},
               %{dimensions: ["2021-01-01 00:04:00"], metrics: [1, 1, 0]},
               %{dimensions: ["2021-01-01 00:05:00"], metrics: [1, 1, 0]},
               %{dimensions: ["2021-01-01 00:06:00"], metrics: [1, 1, 0]},
               %{dimensions: ["2021-01-01 00:07:00"], metrics: [1, 1, 0]},
               %{dimensions: ["2021-01-01 00:08:00"], metrics: [1, 1, 0]},
               %{dimensions: ["2021-01-01 00:09:00"], metrics: [1, 1, 0]},
               %{dimensions: ["2021-01-01 00:10:00"], metrics: [1, 1, 1]}
             ]
    end

    test "breakdown by time:hour (internal API), counts visitors and visits in all buckets their session was active in",
         %{site: site} do
      populate_stats(site, [
        build(:pageview, user_id: @user_id, timestamp: ~N[2021-01-01 00:20:00]),
        build(:pageview, user_id: @user_id, timestamp: ~N[2021-01-01 00:40:00]),
        build(:pageview, user_id: @user_id, timestamp: ~N[2021-01-01 01:00:00]),
        build(:pageview, user_id: @user_id, timestamp: ~N[2021-01-01 01:20:00])
      ])

      {:ok, query} =
        QueryBuilder.build(site, %ParsedQueryParams{
          metrics: [:visitors, :visits, :visit_duration],
          input_date_range: {:date_range, ~D[2021-01-01], ~D[2021-01-02]},
          dimensions: ["time:hour"]
        })

      %Stats.QueryResult{results: results} = Stats.query(site, query)

      assert results == [
               %{dimensions: ["2021-01-01 00:00:00"], metrics: [1, 1, 0]},
               %{dimensions: ["2021-01-01 01:00:00"], metrics: [1, 1, 3600]}
             ]
    end

    test "shows month to date with time labels trimmed", %{site: site} do
      populate_stats(site, [
        build(:pageview, timestamp: ~N[2021-01-01 00:00:00]),
        build(:pageview, timestamp: ~N[2021-01-15 00:00:00]),
        build(:pageview, timestamp: ~N[2021-01-16 00:00:00])
      ])

      {:ok, query} =
        QueryBuilder.build(site, %ParsedQueryParams{
          metrics: [:visitors],
          input_date_range: :month,
          dimensions: ["time:day"],
          include: %QueryInclude{trim_relative_date_range: true},
          now: ~U[2021-01-15 12:00:00Z]
        })

      %Stats.QueryResult{results: results, query: query} = Stats.query(site, query)

      assert results == [
               %{dimensions: ["2021-01-01"], metrics: [1]},
               %{dimensions: ["2021-01-15"], metrics: [1]}
             ]

      assert query[:date_range] == [
               "2021-01-01T00:00:00Z",
               "2021-01-15T23:59:59Z"
             ]
    end

    test "visitors and visits are smeared across time:minute buckets but visit_duration is not",
         %{site: site} do
      populate_stats(site, [
        build(:pageview, user_id: 1, timestamp: ~N[2021-01-01 00:00:00]),
        build(:pageview, user_id: 1, timestamp: ~N[2021-01-01 00:10:00]),
        build(:pageview, user_id: 2, timestamp: ~N[2021-01-01 00:05:00]),
        build(:pageview, user_id: 2, timestamp: ~N[2021-01-01 00:08:00])
      ])

      {:ok, query} =
        QueryBuilder.build(site, %ParsedQueryParams{
          metrics: [:visitors, :visits, :visit_duration, :pageviews],
          input_date_range: {:datetime_range, ~U[2021-01-01 00:00:00Z], ~U[2021-01-01 00:30:00Z]},
          dimensions: ["time:minute"]
        })

      %Stats.QueryResult{results: results} = Stats.query(site, query)

      assert results == [
               %{dimensions: ["2021-01-01 00:00:00"], metrics: [1, 1, 0, 1]},
               %{dimensions: ["2021-01-01 00:01:00"], metrics: [1, 1, 0, 0]},
               %{dimensions: ["2021-01-01 00:02:00"], metrics: [1, 1, 0, 0]},
               %{dimensions: ["2021-01-01 00:03:00"], metrics: [1, 1, 0, 0]},
               %{dimensions: ["2021-01-01 00:04:00"], metrics: [1, 1, 0, 0]},
               %{dimensions: ["2021-01-01 00:05:00"], metrics: [2, 2, 0, 1]},
               %{dimensions: ["2021-01-01 00:06:00"], metrics: [2, 2, 0, 0]},
               %{dimensions: ["2021-01-01 00:07:00"], metrics: [2, 2, 0, 0]},
               %{dimensions: ["2021-01-01 00:08:00"], metrics: [2, 2, 180, 1]},
               %{dimensions: ["2021-01-01 00:09:00"], metrics: [1, 1, 0, 0]},
               %{dimensions: ["2021-01-01 00:10:00"], metrics: [1, 1, 600, 1]}
             ]
    end
  end

  describe "timeseries with comparisons" do
    test "returns more original time range buckets than comparison buckets",
         %{site: site} do
      populate_stats(site, [
        # original time range
        build(:pageview, user_id: 123, timestamp: ~N[2026-01-03 00:00:00]),
        build(:pageview, user_id: 123, timestamp: ~N[2026-01-03 00:10:00]),
        build(:pageview, timestamp: ~N[2026-01-05 00:00:00]),
        # comparison time range
        build(:pageview, timestamp: ~N[2025-12-16 00:00:00])
      ])

      {:ok, query} =
        QueryBuilder.build(site, %ParsedQueryParams{
          metrics: [:visitors, :pageviews],
          input_date_range: {:date_range, ~D[2025-12-25], ~D[2026-01-06]},
          dimensions: ["time:week"],
          include: %QueryInclude{
            compare: {:date_range, ~D[2025-12-12], ~D[2025-12-21]},
            time_labels: true,
            time_label_result_indices: true
          }
        })

      %Stats.QueryResult{results: results, comparison_results: comparison_results, meta: meta} =
        Stats.query(site, query)

      assert results == [
               %{dimensions: ["2025-12-29"], metrics: [1, 2]},
               %{dimensions: ["2026-01-05"], metrics: [1, 1]}
             ]

      assert comparison_results == [
               %{dimensions: ["2025-12-15"], metrics: [1, 1], change: [0, 100]}
             ]

      assert meta[:time_labels] == ["2025-12-25", "2025-12-29", "2026-01-05"]
      assert meta[:time_label_result_indices] == [nil, 0, 1]
      assert meta[:comparison_time_labels] == ["2025-12-12", "2025-12-15"]
      assert meta[:comparison_time_label_result_indices] == [nil, 0]
    end

    test "can return more comparison time buckets than original time range buckets",
         %{site: site} do
      populate_stats(site, [
        # original time range
        build(:pageview, user_id: 123, timestamp: ~N[2021-02-01 00:00:00]),
        build(:pageview, user_id: 123, timestamp: ~N[2021-02-01 00:10:00]),
        build(:pageview, timestamp: ~N[2021-02-01 00:00:00]),
        # comparison time range
        build(:pageview, timestamp: ~N[2021-01-01 00:00:00]),
        build(:pageview, timestamp: ~N[2021-01-01 00:00:00]),
        build(:pageview, timestamp: ~N[2021-01-02 00:00:00]),
        build(:pageview, timestamp: ~N[2021-01-04 00:00:00])
      ])

      {:ok, query} =
        QueryBuilder.build(site, %ParsedQueryParams{
          metrics: [:visitors, :pageviews],
          input_date_range: {:date_range, ~D[2021-02-01], ~D[2021-02-01]},
          dimensions: ["time:day"],
          include: %QueryInclude{
            compare: {:date_range, ~D[2021-01-01], ~D[2021-01-05]},
            time_labels: true,
            time_label_result_indices: true
          }
        })

      %Stats.QueryResult{results: results, comparison_results: comparison_results, meta: meta} =
        Stats.query(site, query)

      assert results == [
               %{dimensions: ["2021-02-01"], metrics: [2, 3]}
             ]

      assert comparison_results == [
               %{dimensions: ["2021-01-01"], metrics: [2, 2], change: [0, 50]},
               %{dimensions: ["2021-01-02"], metrics: [1, 1], change: nil},
               %{dimensions: ["2021-01-04"], metrics: [1, 1], change: nil}
             ]

      assert meta[:time_labels] == ["2021-02-01"]

      assert meta[:comparison_time_labels] == [
               "2021-01-01",
               "2021-01-02",
               "2021-01-03",
               "2021-01-04",
               "2021-01-05"
             ]

      assert meta[:time_label_result_indices] == [0]
      assert meta[:comparison_time_label_result_indices] == [0, 1, nil, 2, nil]
    end
  end

  describe "session smearing respects query date range boundaries" do
    test "time:hour does not include buckets from outside the query range",
         %{site: site} do
      populate_stats(site, [
        build(:pageview, user_id: 1, timestamp: ~N[2021-01-01 23:55:00]),
        build(:pageview, user_id: 1, timestamp: ~N[2021-01-02 00:10:00]),
        build(:pageview, user_id: 2, timestamp: ~N[2021-01-02 23:55:00]),
        build(:pageview, user_id: 2, timestamp: ~N[2021-01-03 00:10:00])
      ])

      {:ok, query} =
        QueryBuilder.build(site, %ParsedQueryParams{
          metrics: [:visitors],
          input_date_range: {:date_range, ~D[2021-01-02], ~D[2021-01-02]},
          dimensions: ["time:hour"],
          include: %QueryInclude{total_rows: true}
        })

      %Stats.QueryResult{results: results, meta: meta} = Stats.query(site, query)

      assert results == [
               %{dimensions: ["2021-01-02 00:00:00"], metrics: [1]},
               %{dimensions: ["2021-01-02 23:00:00"], metrics: [1]}
             ]

      assert meta[:total_rows] == 2
    end

    test "time:hour does not include buckets from outside the query range (non-UTC timezone)",
         %{site: site} do
      # America/New_York is UTC-5 in January
      site = %{site | timezone: "America/New_York"}

      populate_stats(site, [
        # 2020-12-31 23:55 in NYC (outside of query range)
        build(:pageview, user_id: 1, timestamp: ~N[2021-01-01 04:55:00]),
        # 2021-01-01 00:10 in NYC (in query range)
        build(:pageview, user_id: 1, timestamp: ~N[2021-01-01 05:10:00]),
        # 2021-01-01 23:55 in NYC (in query range)
        build(:pageview, user_id: 1, timestamp: ~N[2021-01-02 04:55:00]),
        # 2021-01-02 00:10 in NYC (outside of query range)
        build(:pageview, user_id: 1, timestamp: ~N[2021-01-02 05:10:00])
      ])

      {:ok, query} =
        QueryBuilder.build(site, %ParsedQueryParams{
          metrics: [:visitors],
          input_date_range: {:date_range, ~D[2021-01-01], ~D[2021-01-01]},
          dimensions: ["time:hour"]
        })

      %Stats.QueryResult{results: results} = Stats.query(site, query)

      assert results == [
               %{dimensions: ["2021-01-01 00:00:00"], metrics: [1]},
               %{dimensions: ["2021-01-01 23:00:00"], metrics: [1]}
             ]
    end

    test "time:minute does not include buckets from outside the query range",
         %{site: site} do
      populate_stats(site, [
        build(:pageview, user_id: 1, timestamp: ~N[2021-01-01 00:05:00]),
        build(:pageview, user_id: 1, timestamp: ~N[2021-01-01 00:20:00]),
        build(:pageview, user_id: 2, timestamp: ~N[2021-01-01 00:08:00]),
        build(:pageview, user_id: 2, timestamp: ~N[2021-01-01 00:10:00])
      ])

      {:ok, query} =
        QueryBuilder.build(site, %ParsedQueryParams{
          metrics: [:visitors],
          input_date_range: {:datetime_range, ~U[2021-01-01 00:08:00Z], ~U[2021-01-01 00:12:00Z]},
          dimensions: ["time:minute"],
          include: %QueryInclude{total_rows: true}
        })

      %Stats.QueryResult{results: results, meta: meta} = Stats.query(site, query)

      assert results == [
               %{dimensions: ["2021-01-01 00:08:00"], metrics: [2]},
               %{dimensions: ["2021-01-01 00:09:00"], metrics: [2]},
               %{dimensions: ["2021-01-01 00:10:00"], metrics: [2]},
               %{dimensions: ["2021-01-01 00:11:00"], metrics: [1]},
               %{dimensions: ["2021-01-01 00:12:00"], metrics: [1]}
             ]

      assert meta[:total_rows] == 5
    end

    test "time:minute does not include buckets from outside the query range (non-UTC timezone)",
         %{site: site} do
      # America/New_York is UTC-5 in January
      site = %{site | timezone: "America/New_York"}

      populate_stats(site, [
        # 2020-12-31 23:59:00 in NYC (outside of queried range)
        build(:pageview, user_id: 1, timestamp: ~N[2021-01-01 04:59:00]),
        # 2021-01-01 00:02:00 in NYC (in queried range)
        build(:pageview, user_id: 1, timestamp: ~N[2021-01-01 05:02:00]),
        # 2021-01-01 23:59:00 in NYC (in queried range)
        build(:pageview, user_id: 2, timestamp: ~N[2021-01-02 04:59:00]),
        # 2021-01-02 00:01:00 in NYC (outside of queried range)
        build(:pageview, user_id: 2, timestamp: ~N[2021-01-02 05:01:00])
      ])

      {:ok, query} =
        QueryBuilder.build(site, %ParsedQueryParams{
          metrics: [:visitors],
          input_date_range: :day,
          relative_date: ~D[2021-01-01],
          dimensions: ["time:minute"]
        })

      %Stats.QueryResult{results: results} = Stats.query(site, query)

      assert results == [
               %{dimensions: ["2021-01-01 00:00:00"], metrics: [1]},
               %{dimensions: ["2021-01-01 00:01:00"], metrics: [1]},
               %{dimensions: ["2021-01-01 00:02:00"], metrics: [1]},
               %{dimensions: ["2021-01-01 23:59:00"], metrics: [1]}
             ]
    end

    test "time:day clamps sessions extending past the query range end into the last bucket",
         %{site: site} do
      populate_stats(site, [
        build(:pageview, user_id: 1, timestamp: ~N[2021-01-31 23:55:00]),
        build(:pageview, user_id: 1, timestamp: ~N[2021-02-01 00:05:00])
      ])

      {:ok, query} =
        QueryBuilder.build(site, %ParsedQueryParams{
          metrics: [:visitors],
          input_date_range: {:date_range, ~D[2021-01-01], ~D[2021-01-31]},
          dimensions: ["time:day"]
        })

      %Stats.QueryResult{results: results} = Stats.query(site, query)

      # Without clamping the session would bucket to "2021-02-01" (outside range)
      assert results == [
               %{dimensions: ["2021-01-31"], metrics: [1]}
             ]
    end

    test "time:week clamps sessions extending past the query range end into the last bucket",
         %{site: site} do
      populate_stats(site, [
        build(:pageview, user_id: 1, timestamp: ~N[2021-01-31 23:55:00]),
        build(:pageview, user_id: 1, timestamp: ~N[2021-02-01 00:05:00])
      ])

      {:ok, query} =
        QueryBuilder.build(site, %ParsedQueryParams{
          metrics: [:visitors],
          input_date_range: {:date_range, ~D[2021-01-01], ~D[2021-01-31]},
          dimensions: ["time:week"]
        })

      %Stats.QueryResult{results: results} = Stats.query(site, query)

      # Without clamping the session would bucket to "2021-02-01" (outside range).
      # Clamped to Jan 31 23:59:59 -> toMonday(Jan 31) = Jan 25.
      assert results == [
               %{dimensions: ["2021-01-25"], metrics: [1]}
             ]
    end

    test "time:month clamps sessions extending past the query range end into the last bucket",
         %{site: site} do
      populate_stats(site, [
        build(:pageview, user_id: 1, timestamp: ~N[2021-02-28 23:55:00]),
        build(:pageview, user_id: 1, timestamp: ~N[2021-03-01 00:05:00])
      ])

      {:ok, query} =
        QueryBuilder.build(site, %ParsedQueryParams{
          metrics: [:visitors],
          input_date_range: {:date_range, ~D[2021-01-01], ~D[2021-02-28]},
          dimensions: ["time:month"]
        })

      %Stats.QueryResult{results: results} = Stats.query(site, query)

      # Without clamping the session would bucket to "2021-03-01" (outside range).
      # Clamped to Feb 28 23:59:59 -> toStartOfMonth -> Feb 1.
      assert results == [
               %{dimensions: ["2021-02-01"], metrics: [1]}
             ]
    end
  end

  describe "group_conversion_rate with time:minute and time:hour dimensions" do
    test "unique conversions are not smeared when querying visitors without conversion_rate",
         %{site: site} do
      insert(:goal, site: site, event_name: "Signup")

      populate_stats(site, [
        build(:pageview, user_id: 1, timestamp: ~N[2021-01-01 00:00:00]),
        build(:event, name: "Signup", user_id: 1, timestamp: ~N[2021-01-01 00:05:00]),
        build(:pageview, user_id: 2, timestamp: ~N[2021-01-01 00:00:00])
      ])

      {:ok, query} =
        QueryBuilder.build(site, %ParsedQueryParams{
          metrics: [:visitors],
          input_date_range: {:datetime_range, ~U[2021-01-01 00:00:00Z], ~U[2021-01-01 00:10:00Z]},
          dimensions: ["time:minute"],
          filters: [[:is, "event:goal", ["Signup"]]],
          skip_goal_existence_check: true
        })

      %Stats.QueryResult{results: results} = Stats.query(site, query)

      assert [%{dimensions: ["2021-01-01 00:05:00"], metrics: [1]}] = results
    end

    test "unique conversions are not smeared across all session minutes via timeSlots",
         %{site: site} do
      insert(:goal, site: site, event_name: "Signup")

      populate_stats(site, [
        build(:pageview, user_id: 1, timestamp: ~N[2021-01-01 00:00:00]),
        build(:event, name: "Signup", user_id: 1, timestamp: ~N[2021-01-01 00:05:00]),
        build(:pageview, user_id: 2, timestamp: ~N[2021-01-01 00:00:00]),
        build(:pageview, user_id: 3, timestamp: ~N[2021-01-01 00:05:00])
      ])

      {:ok, query} =
        QueryBuilder.build(site, %ParsedQueryParams{
          metrics: [:visitors, :group_conversion_rate],
          input_date_range: {:datetime_range, ~U[2021-01-01 00:00:00Z], ~U[2021-01-01 00:10:00Z]},
          dimensions: ["time:minute"],
          filters: [[:is, "event:goal", ["Signup"]]],
          skip_goal_existence_check: true
        })

      %Stats.QueryResult{results: results} = Stats.query(site, query)

      assert [%{dimensions: ["2021-01-01 00:05:00"], metrics: [1, 50.0]}] = results
    end

    test "conversion_rate with time:hour and session filter does not crash",
         %{site: site} do
      insert(:goal, site: site, event_name: "Signup")

      populate_stats(site, [
        build(:pageview, user_id: 1, pathname: "/blog", timestamp: ~N[2021-01-01 00:00:00]),
        build(:event, name: "Signup", user_id: 1, timestamp: ~N[2021-01-01 00:05:00]),
        build(:pageview, user_id: 2, pathname: "/blog", timestamp: ~N[2021-01-01 00:10:00])
      ])

      {:ok, query} =
        QueryBuilder.build(site, %ParsedQueryParams{
          metrics: [:visitors, :conversion_rate],
          input_date_range: {:datetime_range, ~U[2021-01-01 00:00:00Z], ~U[2021-01-01 23:59:59Z]},
          dimensions: ["time:hour"],
          filters: [
            [:is, "event:goal", ["Signup"]],
            [:is, "visit:entry_page", ["/blog"]]
          ],
          skip_goal_existence_check: true
        })

      %Stats.QueryResult{results: results} = Stats.query(site, query)

      assert [%{dimensions: ["2021-01-01 00:00:00"], metrics: [1, 50.0]}] = results
    end
  end

  describe "include.empty_metrics" do
    test "if not asked for, no empty_metrics are returned under meta", %{site: site} do
      {:ok, query} =
        QueryBuilder.build(site, %ParsedQueryParams{
          metrics: [:visitors],
          input_date_range: :all
        })

      %Stats.QueryResult{meta: meta} = Stats.query(site, query)

      assert is_nil(meta[:empty_metrics])
    end

    for {metric, expected} <- [
          {:visitors, 0},
          {:visits, 0},
          {:pageviews, 0},
          {:views_per_visit, 0.0},
          {:bounce_rate, 0.0},
          {:visit_duration, nil}
        ] do
      test "default: empty #{metric} is #{expected}", %{site: site} do
        {:ok, query} =
          QueryBuilder.build(site, %ParsedQueryParams{
            metrics: [unquote(metric)],
            input_date_range: :all,
            include: %QueryInclude{empty_metrics: true}
          })

        %Stats.QueryResult{meta: meta} = Stats.query(site, query)

        assert meta[:empty_metrics] == [unquote(expected)]
      end
    end

    for {metric, expected} <- [
          {:time_on_page, nil},
          {:scroll_depth, nil}
        ] do
      test "page filter: empty #{metric} is #{expected}", %{site: site} do
        {:ok, query} =
          QueryBuilder.build(site, %ParsedQueryParams{
            metrics: [unquote(metric)],
            input_date_range: :all,
            include: %QueryInclude{empty_metrics: true},
            filters: [[:is, "event:page", ["/"]]]
          })

        %Stats.QueryResult{meta: meta} = Stats.query(site, query)

        assert meta[:empty_metrics] == [unquote(expected)]
      end
    end

    for {metric, expected} <- [
          {:events, 0},
          {:group_conversion_rate, 0.0}
        ] do
      test "goal filter: empty #{metric} is #{expected}", %{site: site} do
        insert(:goal, site: site, event_name: "Signup")

        {:ok, query} =
          QueryBuilder.build(site, %ParsedQueryParams{
            metrics: [unquote(metric)],
            input_date_range: :all,
            include: %QueryInclude{empty_metrics: true},
            filters: [[:is, "event:goal", ["Signup"]]]
          })

        %Stats.QueryResult{meta: meta} = Stats.query(site, query)

        assert meta[:empty_metrics] == [unquote(expected)]
      end
    end

    @tag :ee_only
    test "goal filter: empty revenue metrics", %{site: site} do
      insert(:goal, site: site, event_name: "Purchase", currency: "EUR")

      {:ok, query} =
        QueryBuilder.build(site, %ParsedQueryParams{
          metrics: [:average_revenue, :total_revenue],
          input_date_range: :all,
          include: %QueryInclude{empty_metrics: true},
          filters: [[:is, "event:goal", ["Purchase"]]]
        })

      %Stats.QueryResult{meta: meta} = Stats.query(site, query)

      assert meta[:empty_metrics] == [
               %{currency: :EUR, long: "€0.00", short: "€0.0", value: 0.0},
               %{currency: :EUR, long: "€0.00", short: "€0.0", value: 0.0}
             ]
    end

    test "is ignored when event:goal dimension used", %{site: site} do
      {:ok, query} =
        QueryBuilder.build(site, %ParsedQueryParams{
          metrics: [:visitors],
          input_date_range: :all,
          include: %QueryInclude{empty_metrics: true},
          dimensions: ["event:goal"]
        })

      %Stats.QueryResult{meta: meta} = Stats.query(site, query)

      assert is_nil(meta[:empty_metrics])
    end
  end

  describe "event:prop_key dimension" do
    test "returns distinct prop keys with visitor counts", %{site: site} do
      populate_stats(site, [
        build(:pageview, "meta.key": ["author"], "meta.value": ["uku"]),
        build(:pageview, "meta.key": ["author"], "meta.value": ["marko"]),
        build(:pageview, "meta.key": ["logged_in"], "meta.value": ["true"]),
        build(:pageview)
      ])

      {:ok, query} =
        QueryBuilder.build(site, %ParsedQueryParams{
          metrics: [:visitors],
          input_date_range: :all,
          dimensions: ["event:prop_key"]
        })

      %Stats.QueryResult{results: results} = Stats.query(site, query)

      assert [
               %{dimensions: ["author"], metrics: [2]},
               %{dimensions: ["logged_in"], metrics: [1]}
             ] = Enum.sort_by(results, &hd(&1.dimensions))
    end

    test "supports order_by", %{site: site} do
      populate_stats(site, [
        build(:pageview, "meta.key": ["author"], "meta.value": ["a"]),
        build(:pageview, "meta.key": ["author"], "meta.value": ["b"]),
        build(:pageview, "meta.key": ["author"], "meta.value": ["b"]),
        build(:pageview, "meta.key": ["logged_in"], "meta.value": ["true"])
      ])

      {:ok, query} =
        QueryBuilder.build(site, %ParsedQueryParams{
          metrics: [:visitors],
          input_date_range: :all,
          dimensions: ["event:prop_key"],
          order_by: [{"event:prop_key", :desc}]
        })

      %Stats.QueryResult{results: results} = Stats.query(site, query)

      assert results == [
               %{dimensions: ["logged_in"], metrics: [1]},
               %{dimensions: ["author"], metrics: [3]}
             ]
    end

    test "works combined with a filter", %{site: site} do
      populate_stats(site, [
        build(:event, name: "purchase", "meta.key": ["author"], "meta.value": ["uku"]),
        build(:pageview, "meta.key": ["author"], "meta.value": ["marko"]),
        build(:pageview, "meta.key": ["logged_in"], "meta.value": ["true"])
      ])

      {:ok, query} =
        QueryBuilder.build(site, %ParsedQueryParams{
          metrics: [:visitors],
          input_date_range: :all,
          dimensions: ["event:prop_key"],
          filters: [[:is, "event:name", ["purchase"]]]
        })

      %Stats.QueryResult{results: results} = Stats.query(site, query)

      assert results == [%{dimensions: ["author"], metrics: [1]}]
    end
  end
end