using Framework.NetWork.ToffeeHttp;
using ToffeeHttp.Runtime.Core;

namespace System.OfflineSystem
{
    public class OfflineTimeLoader
    {
        public const string TargetAPI = "https://api.m.taobao.com/rest/api3.do?api=mtop.common.getTimestamp"; //淘宝时间获取接口
        public const string TargetAPI2 = "https://quan.suning.com/getSysTime.do"; //苏宁时间获取接口
        public const string TargetAPI3 = "https://pikagame.cn/index.php/app/user/getGtmnqConf"; //超神网络时间获取接口

        private Action<long> _timeCallback;
        private bool _useLocalTime;

        /// <summary>
        /// 获取时间
        /// </summary>
        /// <param name="timeCallback"></param>
        /// <param name="useLocalTime">在无法请求所有网络时间的情况下使用系统时间</param>
        public void LoadTime(Action<long> timeCallback, bool useLocalTime = true)
        {
            this._timeCallback = timeCallback;
            this._useLocalTime = useLocalTime;
            // HttpClient.Instance.QuickHttpSend(TargetAPI3, new HttpRequestData(HttpRequestType.GET), OnResponseAPI3, 1);
            HttpClient.Instance.QuickHttpSend(TargetAPI, new HttpRequestData(HttpRequestType.GET), OnResponseAPI1, 1);
        }

        private void OnResponseAPI3(HttpResponse response)
        {
            var callback = this._timeCallback;
            
            if (!response.IsNetError && response.Code == 200)
            {
                this._timeCallback = null;
                var jsonObject = response.ObjectData;
                var key = "GTMNQ_TIMESTAMP";
                var timeData =  jsonObject != null && jsonObject.ContainsKey(key) ? jsonObject.GetObject<string>(key) : null;
                if (timeData != null)
                {
                    if (long.TryParse(timeData , out var times))
                    {
                        callback?.Invoke(times * 1000);
                        return;
                    }
                }
            }
            HttpClient.Instance.QuickHttpSend(TargetAPI, new HttpRequestData(HttpRequestType.GET), OnResponseAPI1, 2);
        }

        private void OnResponseAPI1(HttpResponse response)
        {
            var callback = this._timeCallback;
           
            if (!response.IsNetError)
            {
                this._timeCallback = null;
                var jsonObject = response.ObjectData;
                var key = "t";
                var timeData =  jsonObject != null && jsonObject.ContainsKey(key) ? jsonObject.GetObject<string>(key) : null;
                if (timeData != null)
                {
                    if (long.TryParse(timeData , out var times))
                    {
                        callback?.Invoke(times);
                        return;
                    }
                }
            }

            HttpClient.Instance.QuickHttpSend(TargetAPI2, new HttpRequestData(HttpRequestType.GET), OnResponseAPI2, 2);
        }

        private void OnResponseAPI2(HttpResponse response)
        {
            var callback = this._timeCallback;
            this._timeCallback = null;
            
            if (!response.IsNetError)
            {
                var key = "sysTime2";
                var timeData = response.JsonObject.ContainsKey(key) ? response.JsonObject.GetObject<string>(key) : null;
                if (timeData != null)
                {
                    if (DateTime.TryParse(timeData , out var dateTime))
                    {
                        callback?.Invoke(ToTimestamp(dateTime));
                        return;
                    }
                }
            }
            callback?.Invoke(this._useLocalTime ? ToTimestamp(DateTime.Now) : 0);
        }

        private long ToTimestamp(DateTime dateTime)
        {
            TimeSpan ts = dateTime - new DateTime(1970, 1, 1, 0, 0, 0, 0);
            return Convert.ToInt64(ts.TotalMilliseconds);
        }
    }
}