package world

import (
	"testing"

	"github.com/stretchr/testify/require"
)

func TestWorldRender_DrawsAllLayersInDefaultOrder(t *testing.T) {
	t.Parallel()

	w := NewWorld(10, 10)
	w.resetGrid(2 * SCALE)

	_, err := w.AddPoint(1, 1)
	require.NoError(t, err)
	_, err = w.AddCircle(2, 2, 1)
	require.NoError(t, err)
	_, err = w.AddLine(9, 5, 1, 5)
	require.NoError(t, err)

	for _, obj := range w.objects {
		w.indexObject(obj)
	}

	params := RenderParams{
		ViewportWidthPx:  10,
		ViewportHeightPx: 10,
		MarginXPx:        2,
		MarginYPx:        2,
		CameraXWorldFp:   5 * SCALE,
		CameraYWorldFp:   5 * SCALE,
		CameraZoom:       1.0,
	}

	d := &fakePrimitiveDrawer{}
	err = w.Render(d, params)
	require.NoError(t, err)

	names := d.CommandNames()
	require.Contains(t, names, "AddPoint")
	require.Contains(t, names, "AddCircle")
	require.Contains(t, names, "AddLine")
}