package grib

import (
	"testing"
	"time"
)

func TestAssembleCubeFromExisting(t *testing.T) {
	dir := "C:/tmp/grib"
	run := time.Date(2026, 1, 16, 6, 0, 0, 0, time.UTC)
	cubePath := dir + "/" + run.Format("20060102_15") + ".cube"

	t.Logf("Assembling cube from existing GRIB files...")
	t.Logf("Directory: %s", dir)
	t.Logf("Run: %s", run.Format("2006-01-02 15:04 MST"))
	t.Logf("Output: %s", cubePath)

	err := assembleCube(dir, run, cubePath)
	if err != nil {
		t.Fatalf("Failed to assemble cube: %v", err)
	}

	t.Logf("✓ Cube assembled successfully!")
	t.Logf("Cube file: %s", cubePath)
}