using System;

namespace ShrinkCommand
{
    public static class ShrinkCommandLogger
    {
        public static Action<string> InfoHandler { get; set; } = DefaultInfo;
        public static Action<string> WarningHandler { get; set; } = DefaultWarning;
        public static Action<string> ErrorHandler { get; set; } = DefaultError;
        public static Action<Exception> ExceptionHandler { get; set; } = DefaultException;

        public static void Info(string message) => InfoHandler?.Invoke(message);
        public static void Warn(string message) => WarningHandler?.Invoke(message);
        public static void Error(string message) => ErrorHandler?.Invoke(message);
        public static void Exception(Exception ex) => ExceptionHandler?.Invoke(ex);

        private static void DefaultInfo(string message)
        {
#if UNITY_5_3_OR_NEWER
            UnityEngine.Debug.Log(message);
#else
            Console.WriteLine(message);
#endif
        }

        private static void DefaultWarning(string message)
        {
#if UNITY_5_3_OR_NEWER
            UnityEngine.Debug.LogWarning(message);
#else
            Console.WriteLine("[Warn] " + message);
#endif
        }

        private static void DefaultError(string message)
        {
#if UNITY_5_3_OR_NEWER
            UnityEngine.Debug.LogError(message);
#else
            Console.Error.WriteLine(message);
#endif
        }

        private static void DefaultException(Exception ex)
        {
#if UNITY_5_3_OR_NEWER
            UnityEngine.Debug.LogException(ex);
#else
            Console.Error.WriteLine(ex);
#endif
        }
    }
}