defmodule Microwaveprop.Radio.ContactCommonVolumeRadarTest do
  use Microwaveprop.DataCase, async: true

  alias Ecto.Changeset
  alias Microwaveprop.Radio.ContactCommonVolumeRadar

  @contact_id "00000000-0000-0000-0000-000000000001"

  @valid_attrs %{
    contact_id: "00000000-0000-0000-0000-000000000001",
    observed_at: ~U[2026-03-28 12:00:00Z]
  }

  @all_attrs Map.merge(@valid_attrs, %{
               common_volume_km2: 150_000.5,
               pixel_count: 10_000,
               rain_pixel_count: 500,
               heavy_rain_pixel_count: 50,
               core_pixel_count: 5,
               max_dbz: 65.5,
               mean_dbz: 12.3,
               coverage_pct: 85.2
             })

  describe "changeset/2" do
    test "valid with minimum required fields" do
      changeset = ContactCommonVolumeRadar.changeset(%ContactCommonVolumeRadar{}, @valid_attrs)
      assert changeset.valid?
    end

    test "rejects missing contact_id" do
      changeset =
        ContactCommonVolumeRadar.changeset(%ContactCommonVolumeRadar{}, %{
          observed_at: ~U[2026-03-28 12:00:00Z]
        })

      assert %{contact_id: ["can't be blank"]} = errors_on(changeset)
    end

    test "rejects missing observed_at" do
      changeset =
        ContactCommonVolumeRadar.changeset(%ContactCommonVolumeRadar{}, %{
          contact_id: @contact_id
        })

      assert %{observed_at: ["can't be blank"]} = errors_on(changeset)
    end

    test "accepts all optional fields" do
      changeset = ContactCommonVolumeRadar.changeset(%ContactCommonVolumeRadar{}, @all_attrs)
      assert changeset.valid?

      assert Changeset.get_field(changeset, :common_volume_km2) == 150_000.5
      assert Changeset.get_field(changeset, :pixel_count) == 10_000
      assert Changeset.get_field(changeset, :rain_pixel_count) == 500
      assert Changeset.get_field(changeset, :heavy_rain_pixel_count) == 50
      assert Changeset.get_field(changeset, :core_pixel_count) == 5
      assert Changeset.get_field(changeset, :max_dbz) == 65.5
      assert Changeset.get_field(changeset, :mean_dbz) == 12.3
      assert Changeset.get_field(changeset, :coverage_pct) == 85.2
    end

    test "has unique_constraint on contact_id" do
      changeset = ContactCommonVolumeRadar.changeset(%ContactCommonVolumeRadar{}, @valid_attrs)
      assert Enum.any?(changeset.constraints, &(&1.type == :unique))
    end
  end
end