defmodule Microwaveprop.Pskr.FeatureBinTest do
  use Microwaveprop.DataCase, async: true

  alias Microwaveprop.Pskr.FeatureBin

  describe "changeset/2" do
    test "valid attrs produce a valid changeset" do
      attrs = %{
        run_id: Ecto.UUID.generate(),
        band: "10000",
        feature: "pwat_mm",
        bin_label: "25-40",
        sample_count: 100
      }

      changeset = FeatureBin.changeset(%FeatureBin{}, attrs)
      assert changeset.valid?
    end

    test "missing required fields makes changeset invalid" do
      changeset = FeatureBin.changeset(%FeatureBin{}, %{})
      refute changeset.valid?
      assert "can't be blank" in errors_on(changeset).run_id
      assert "can't be blank" in errors_on(changeset).band
      assert "can't be blank" in errors_on(changeset).feature
      assert "can't be blank" in errors_on(changeset).bin_label
    end

    test "spot count fields are not required" do
      attrs = %{
        run_id: Ecto.UUID.generate(),
        band: "10000",
        feature: "pwat_mm",
        bin_label: "<15",
        sample_count: 50
      }

      changeset = FeatureBin.changeset(%FeatureBin{}, attrs)
      assert changeset.valid?
    end

    test "accepts optional float fields" do
      attrs = %{
        run_id: Ecto.UUID.generate(),
        band: "144",
        feature: "hpbl_m",
        bin_label: "250-500",
        sample_count: 30,
        bin_min: 250.0,
        bin_max: 500.0,
        spot_count_avg: 3.5,
        spot_count_p50: 3.0,
        spot_count_p90: 8.0
      }

      changeset = FeatureBin.changeset(%FeatureBin{}, attrs)
      assert changeset.valid?
      assert get_change(changeset, :bin_min) == 250.0
    end
  end
end