package function_test

import (
	"os"
	"path/filepath"
	"strings"
	"testing"

	"tangled.org/cosmeak.tngl.sh/weave"
	"tangled.org/cosmeak.tngl.sh/weave/function"
)

func TestFunctionGeneration(t *testing.T) {
	out := t.TempDir()

	pack := weave.
		MkDatapack("test", "Test pack", 88, 88, []string{"vanilla"}).
		AddFeature(function.MkFunction(
			"set_day",
			"time set day",
			"say Daytime!",
		))

	if err := pack.Generate(out); err != nil {
		t.Fatalf("generate failed: %v", err)
	}

	path := filepath.Join(
		out,
		"test", "data", "test", "function", "set_day.mcfunction",
	)

	data, err := os.ReadFile(path)
	if err != nil {
		t.Fatalf("expected file not found: %v", err)
	}

	got := strings.TrimSpace(string(data))
	want := "time set day\nsay Daytime!"

	if got != want {
		t.Errorf("unexpected file content:\n%s", got)
	}
}