package dbxgeneric

import (
	"reflect"
	"strings"

	"gitea.auvem.com/go-toolkit/app"
)

// DestName returns the name of the type passed as `destTypeStruct` as a string,
// normalized for compatibility with the Jet QRM.
func DestName(mod *app.Module, destTypeStruct any, path ...string) string {
	v := reflect.ValueOf(destTypeStruct)
	for v.Kind() == reflect.Ptr {
		v = v.Elem()
	}

	destIdent := v.Type().String()
	destIdent = destIdent[strings.LastIndex(destIdent, ".")+1:]

	for i, p := range path {
		if v.Kind() != reflect.Struct {
			mod.Logger().Error("DestName: path parent is not a struct", "path", destIdent+"."+strings.Join(path[:i+1], "."))
			return ""
		}

		v = v.FieldByName(p)

		if !v.IsValid() {
			mod.Logger().Error("DestName: field does not exist", "path", destIdent+"."+strings.Join(path[:i+1], "."))
			return ""
		}

		destIdent += "." + p
	}

	return destIdent
}