using System;
using System.Collections.Generic;
using System.Threading;
using System.Threading.Tasks;
using PaySharp.Alipay.Domain;
using PaySharp.Alipay.Request;
using PaySharp.Core.Request;

namespace PaySharp.Alipay.Response
{
    public class BarcodePayResponse : BaseResponse
    {
        /// <summary>
        /// 支付宝交易号
        /// </summary>
        public string TradeNo { get; set; }

        /// <summary>
        /// 商户订单号
        /// </summary>
        public string OutTradeNo { get; set; }

        /// <summary>
        /// 买家支付宝账号
        /// </summary>
        public string BuyerLogonId { get; set; }

        /// <summary>
        /// 订单金额
        /// </summary>
        public double TotalAmount { get; set; }

        /// <summary>
        /// 标价币种
        /// </summary>
        public string TransCurrency { get; set; }

        /// <summary>
        /// 结算币种
        /// </summary>
        public string SettleCurrency { get; set; }

        /// <summary>
        /// 结算金额
        /// </summary>
        public double SettleAmount { get; set; }

        /// <summary>
        /// 支付币种
        /// </summary>
        public string PayCurrency { get; set; }

        /// <summary>
        /// 支付金额
        /// </summary>
        public double PayAmount { get; set; }

        /// <summary>
        /// 结算币种兑换标价币种汇率
        /// </summary>
        public double SettleTransRate { get; set; }

        /// <summary>
        /// 标价币种兑换支付币种汇率
        /// </summary>
        public double TransPayRate { get; set; }

        /// <summary>
        /// 实收金额
        /// </summary>
        public double ReceiptAmount { get; set; }

        /// <summary>
        /// 付款金额
        /// </summary>
        public double BuyerPayAmount { get; set; }

        /// <summary>
        /// 集分宝金额
        /// </summary>
        public double PointAmount { get; set; }

        /// <summary>
        /// 开票金额
        /// </summary>
        public double InvoiceAmount { get; set; }

        /// <summary>
        /// 交易付款时间
        /// </summary>
        public DateTime GmtPayment { get; set; }

        /// <summary>
        /// 交易支付使用的资金渠道
        /// </summary>
        public List<TradeFundBill> FundBillList { get; set; }

        /// <summary>
        /// 支付宝卡余额
        /// </summary>
        public double CardBalance { get; set; }

        /// <summary>
        /// 发生支付交易的商户门店名称
        /// </summary>
        public string StoreName { get; set; }

        /// <summary>
        /// 买家支付宝用户号
        /// </summary>
        public string BuyerUserId { get; set; }

        /// <summary>
        /// 本交易支付时使用的所有优惠券信息
        /// </summary>
        public string DiscountGoodsDetail { get; set; }

        /// <summary>
        /// 本交易支付时使用的所有优惠券信息
        /// </summary>
        public List<VoucherDetail> VoucherDetailList { get; set; }

        /// <summary>
        /// 预授权支付模式，该参数仅在信用预授权支付场景下返回。信用预授权支付：CREDIT_PREAUTH_PAY
        /// </summary>
        public string AuthTradePayMode { get; set; }

        /// <summary>
        /// 商户传入业务信息，具体值要和支付宝约定 
        /// 将商户传入信息分发给相应系统，应用于安全，营销等参数直传场景
        /// 格式为json格式
        /// </summary>
        public string BusinessParams { get; set; }

        /// <summary>
        /// 买家用户类型
        /// CORPORATE:企业用户
        /// PRIVATE:个人用户
        /// </summary>
        public string BuyerUserType { get; set; }

        /// <summary>
        /// 商家优惠金额
        /// </summary>
        public double MdiscountAmount { get; set; }

        /// <summary>
        /// 平台优惠金额
        /// </summary>
        public double DiscountAmount { get; set; }

        private Merchant _merchant;

        internal override void Execute<TModel, TResponse>(Merchant merchant, Request<TModel, TResponse> request)
        {
            _merchant = merchant;
            var barcodePayRequest = request as BarcodePayRequest;

            if (Code == "10000")
            {
                barcodePayRequest.OnPaySucceed(this, null);
                return;
            }

            if (!string.IsNullOrEmpty(TradeNo))
            {
                var queryResponse = new QueryResponse();
                Task.Run(async () =>
                {
                    queryResponse = await PollQueryTradeStateAsync(
                        TradeNo,
                        barcodePayRequest.PollTime,
                        barcodePayRequest.PollCount);
                })
                .GetAwaiter()
                .GetResult();

                if (queryResponse != null)
                {
                    barcodePayRequest.OnPaySucceed(queryResponse, null);
                    return;
                }
                else
                {
                    barcodePayRequest.OnPayFailed(this, "支付超时");
                    return;
                }
            }

            barcodePayRequest.OnPayFailed(this, SubMessage);
        }

        /// <summary>
        /// 轮询查询用户是否支付
        /// </summary>
        /// <param name="tradeNo">支付宝订单号</param>
        /// <param name="pollTime">轮询间隔</param>
        /// <param name="pollCount">轮询次数</param>
        /// <returns></returns>
        private QueryResponse PollQueryTradeState(string tradeNo, int pollTime, int pollCount)
        {
            for (var i = 0; i < pollCount; i++)
            {
                var queryRequest = new QueryRequest();
                queryRequest.AddGatewayData(new QueryModel
                {
                    TradeNo = tradeNo
                });
                var queryResponse = SubmitProcess.Execute(_merchant, queryRequest);
                if (queryResponse.TradeStatus == "TRADE_SUCCESS")
                {
                    return queryResponse;
                }

                Thread.Sleep(pollTime);
            }

            //支付超时，取消订单
            var cancelRequest = new CancelRequest();
            cancelRequest.AddGatewayData(new CancelModel
            {
                TradeNo = tradeNo
            });
            SubmitProcess.Execute(_merchant, cancelRequest);

            return null;
        }

        /// <summary>
        /// 轮询查询用户是否支付
        /// </summary>
        /// <param name="tradeNo">支付宝订单号</param>
        /// <param name="pollTime">轮询间隔</param>
        /// <param name="pollCount">轮询次数</param>
        /// <returns></returns>
        private async Task<QueryResponse> PollQueryTradeStateAsync(string tradeNo, int pollTime, int pollCount)
        {
            return await Task.Run(() => PollQueryTradeState(tradeNo, pollTime, pollCount));
        }
    }
}