package surf

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

	"git.golem15.com/golem15/summercms/backpack"
	"git.golem15.com/golem15/summercms/compass"
	"gocloud.dev/blob"
)

func TestPublishUploadsRequiresURL(t *testing.T) {
	app := serveTestApp(t, "uploads:\n  bucket_url: \"\"\n")
	_, err := publishUploads(t.Context(), app)
	if err == nil || !strings.Contains(err.Error(), "bucket_url") {
		t.Fatalf("got %v, want bucket_url error", err)
	}
}

func TestPublishUploadsStoresBucket(t *testing.T) {
	app := serveTestApp(t, "uploads:\n  bucket_url: \"mem://\"\n  public_path_prefix: \"/storage/uploads\"\n")
	bucket, err := publishUploads(t.Context(), app)
	if err != nil {
		t.Fatal(err)
	}
	t.Cleanup(func() { _ = bucket.Close() })
	got, ok := app.Lookup[*blob.Bucket]()
	if !ok || got != bucket {
		t.Fatal("publishUploads must store the opened *blob.Bucket")
	}
}

func serveTestApp(t *testing.T, storageYAML string) *backpack.App {
	t.Helper()
	dir := t.TempDir()
	if err := os.WriteFile(filepath.Join(dir, "app.yaml"), []byte("name: serve-uploads\n"), 0o644); err != nil {
		t.Fatal(err)
	}
	if err := os.WriteFile(filepath.Join(dir, "storage.yaml"), []byte(storageYAML), 0o644); err != nil {
		t.Fatal(err)
	}
	cfg, err := compass.Open(compass.Options{
		Dir:     dir,
		Env:     "development",
		Environ: []string{"SUMMER_ENV=development"},
	})
	if err != nil {
		t.Fatal(err)
	}
	return backpack.New(cfg)
}