package architecture

import (
	"go/parser"
	"go/token"
	"io/fs"
	"path/filepath"
	"strconv"
	"strings"
	"testing"
)

// SXCHNGE-owned gRPC and NATS are allowed. Provider access is HTTP only. Local Mongo repositories belong to SXCHNGE.
func TestNoSendicoRuntimeOrPrivateTransportImports(t *testing.T) {
	err := filepath.WalkDir("../..", func(path string, d fs.DirEntry, err error) error {
		if err != nil {
			return err
		}
		if d.IsDir() || filepath.Ext(path) != ".go" {
			return nil
		}
		f, err := parser.ParseFile(token.NewFileSet(), path, nil, parser.ImportsOnly)
		if err != nil {
			return err
		}
		for _, im := range f.Imports {
			name, err := strconv.Unquote(im.Path.Value)
			if err != nil {
				return err
			}
			if strings.HasPrefix(filepath.ToSlash(path), "../../shared/") && strings.HasPrefix(name, "git.sendico.io/tech/sxchnge/") && !strings.HasPrefix(name, "git.sendico.io/tech/sxchnge/shared/") {
				t.Errorf("shared library imports an executable module: %s in %s", name, path)
			}
			for _, blocked := range []string{"github.com/tech/sendico/", "/pkg/discovery", "/pkg/proto/", "github.com/casbin/", "/pkg/auth", "/storage/organization", "/mongo/policiesdb", "/mongo/rolesdb", "/mongo/invitationdb"} {
				if strings.Contains(name, blocked) {
					t.Errorf("%s imports private provider transport or shared runtime: %s", path, name)
				}
			}
		}
		return nil
	})
	if err != nil {
		t.Fatal(err)
	}
}