using System;
using System.IO;
using UnityEngine;

namespace Runtime
{
    [CreateAssetMenu (menuName = "CrashConfig")]
    public class CrashConfig : ScriptableObject
    {
        private const string BuglyGUID = "BuglyGUID";

        [SerializeField] private string              BuglyAppID;
        [SerializeField] private string              BuglyChannel;
        [SerializeField] private bool                HasDebugMode;
        [SerializeField] private bool                EnableCrashReport;
        public event Action<string, string, LogType> LogCallbackEvent;
        public bool                                  HasInit => this._hasInit;

        private        bool        _hasInit;
        private static CrashConfig _instance;

        private static CrashConfig Instance
        {
            get
            {
                if (_instance == null)
                {
                    _instance = Resources.Load<CrashConfig> (nameof(CrashConfig));
                }
#if UNITY_EDITOR
                if (_instance == null)
                {
                    _instance = CreateInstance<CrashConfig> ();
                    // 自定义资源保存路径
                    string path = "Assets/Resources";
                    //如果项目总不包含该路径，创建一个
                    if (!Directory.Exists (path))
                    {
                        Directory.CreateDirectory (path);
                    }
                    UnityEditor.AssetDatabase.CreateAsset (_instance, path + $"/{nameof(CrashConfig)}.asset");
                    UnityEditor.AssetDatabase.Refresh ();
                }
#endif
                return _instance;
            }
        }

        [RuntimeInitializeOnLoadMethod (RuntimeInitializeLoadType.AfterSceneLoad)]
        private static void OnEnableCrashReport ()
        {
            if (Instance != null && Instance.EnableCrashReport)
            {
                Instance.InitCrash ();
            }
        }

        private void InitCrash ()
        {
            if (this._hasInit)
            {
                return;
            }

            this._hasInit = true;
            var buglyGuid = PlayerPrefs.HasKey (BuglyGUID) ? PlayerPrefs.GetString (BuglyGUID) : Guid.NewGuid ().ToString ();
            PlayerPrefs.SetString (BuglyGUID, buglyGuid);

            // 开启SDK的日志打印，发布版本请务必关闭
            if (this.HasDebugMode)
            {
                BuglyAgent.ConfigDebugMode (true);
            }

            // 注册日志回调，替换使用 'Application.RegisterLogCallback(Application.LogCallback)'注册日志回调的方式
            BuglyAgent.RegisterLogCallback (OnLogCallBack);

            BuglyAgent.ConfigDefault (this.BuglyChannel, Application.version , buglyGuid , 0);

            BuglyAgent.InitWithAppId (this.BuglyAppID);

            // 如果你确认已在对应的iOS工程或Android工程中初始化SDK，那么在脚本中只需启动C#异常捕获上报功能即可
            BuglyAgent.EnableExceptionHandler ();
        }

        private void OnLogCallBack (string condition, string stacktrace, LogType type)
        {
            this.LogCallbackEvent?.Invoke (condition, stacktrace, type);
        }
    }
}