using Microsoft.Win32;

namespace OpenTap.Addin.Util
{
    public interface IRegGetter
    {
        string GetAppPath(string keyPath);
    }

    public class RegUtil
    {
        public static IRegGetter Getter { get; private set; }

        public static void Register(IRegGetter getter)
        {
            Getter = getter;
        }

        public static string GetAppPath()
        {
            string Company = "JingCe", Program = "SeqEditor";

            string registryPath = $@"SOFTWARE\{Company}\{Program}";

            if (Getter != null)
            {
                return Getter.GetAppPath(registryPath);
            }

            // 尝试打开注册表键
            using (RegistryKey key = Registry.CurrentUser.OpenSubKey(registryPath))
            {
                if (key == null)
                {
                    // throw new Exception("注册表不存在，请先运行一次编辑器");
                    return ExecutorClient.ExeDir;
                }

                string value = key.GetValue("Location")?.ToString();
                if (string.IsNullOrEmpty(value))
                {
                    // throw new Exception("注册表不存在，请先运行一次编辑器");
                    return ExecutorClient.ExeDir;
                }
                return value;
            }
        }
    }
}