using System;
using System.Collections.Generic;
using System.ComponentModel.DataAnnotations;
using System.Text.Json.Serialization;

namespace Gateway.Payment.Shared
{
    public enum TradeStatusEnum
    {
        PAYERROR,
        SUCCESS,
        CANCELLING,
        CLOSED,
    }



    public class PaymentOrderDto
    {
        public string PaymentMethod { get; set; }
        public bool IsForRefund { get; set; }
        public decimal TotalAmount { get; set; }

        /// <summary>
        /// the final charge will based on this value.
        /// </summary>
        public decimal NetAmount { get; set; }
        /// <summary>
        /// Gets or sets 用户授权码, 当商户用扫码枪扫用户的条形码时得到的字符串
        /// </summary>
        public string AuthCode { get; set; }

        /// <summary>
        /// Gets or sets the 商户订单号, used for refund.
        /// </summary>
        public string BillNumber { get; set; }

        public string ExtraCommand { get; set; }

        /// <summary>
        /// Gets or sets the 订单标题   UTF8编码格式，32个字节内，最长支持16个汉字
        /// </summary>
        public string Title { get; set; }

        public string OperatorId { get; set; }

        public string SiteId { get; set; }

        /// <summary>
        /// Gets or sets the terminal id for submit this order
        /// </summary>
        public string TerminalId { get; set; }
    }

    public class PaymentOrderPayResult
    {
        [Required]
        public int Id { get; set; }
        public string BillNumber { get; set; }
        [System.ComponentModel.DataAnnotations.Schema.ForeignKey("PaymentOrder")]
        public int PaymentOrderId { get; set; }
        public PaymentOrder PaymentOrder { get; set; }

        public string Stage { get; set; }
        [Required]
        public string PaymentResultCode { get; set; }
        public string PaymentResultMessage { get; set; }
        public string PaymentResultErrorDetail { get; set; }

        /// <summary>
        /// Gets or sets the raw result (a string) from 3rd party payment server.
        /// </summary>
        public string PaymentResultRawResult { get; set; }
    }

    /// <summary>
    /// Host the phase 1 supported transaction info.
    /// </summary>
    public class PaymentOrder
    {
        public string SiteId { get; set; }
        /// <summary>
        /// 根据不同场景选择不同的支付方式, accepted values: WX_SCAN、ALI_SCAN、ALL_IN_SCAN
        /// </summary>
        public string PaymentMethod { get; set; }

        public bool IsForRefund { get; set; }

        /// <summary>
        ///  trade status, expected values: USERPAYING, SUCCESS, SUCCESS_CANCELLING, PAYERROR, PAYERROR_CANCELLING, CLOSED
        /// </summary>
        public TradeStatusEnum TradeStatus { get; set; }
        public decimal TotalAmount { get; set; }
        /// <summary>
        /// Gets or sets the netamount for this transaction, this amount deducted all the discount, and should be the final amount would be charged from 
        /// customer account.
        /// </summary>
        public decimal NetAmount { get; set; }

        /// <summary>
        /// Gets or sets the 商户订单号, 确保唯一, key field used for refund
        /// </summary>
        public string BillNumber { get; set; }
        public string ExtraCommand { get; set; }

        [System.ComponentModel.DataAnnotations.Schema.NotMapped]
        public object Config { get; set; }
        [System.ComponentModel.DataAnnotations.Schema.NotMapped]
        public object Certification { get; set; }
        [System.ComponentModel.DataAnnotations.Schema.NotMapped]
        public Dictionary<string, string> Optional { get; set; }
        /// <summary>
        /// Gets or sets the 订单标题   UTF8编码格式，32个字节内，最长支持16个汉字
        /// </summary>
        public string Title { get; set; }

        /// <summary>
        /// Gets or sets 用户授权码, 当商户用扫码枪扫用户的条形码时得到的字符串
        /// </summary>
        public string AuthCode { get; set; }

        /// <summary>
        /// Gets or sets the operator id for who submit this order from site.
        /// </summary>
        public string OperatorId { get; set; }

        /// <summary>
        /// Gets or sets the terminal id for submit this order
        /// </summary>
        public string TerminalId { get; set; }
        /// <summary>
        /// Gets or sets the time that server received this order for processing.
        /// </summary>
        public DateTime ServerSideTimestamp { get; set; }

        public List<PaymentOrderPayResult> PayResults { get; set; }

        public string ToFullJsonLogString()
        {
            try
            {
                return System.Text.Json.JsonSerializer.Serialize(this,
                    new System.Text.Json.JsonSerializerOptions()
                    {
                        MaxDepth = 5,
                        WriteIndented = true,
                        Converters = { new JsonStringEnumConverter() }
                    });
            }
            catch
            {
                return this.ToSimpleLogString();
            }
        }

        public string ToSimpleLogString()
        {
            return $"Mop: {this.PaymentMethod}, IsForRefund: {this.IsForRefund.ToString()}, TradeStatus: {this.TradeStatus}, " +
                $"NetAmount: {this.NetAmount}, BillNumber: {this.BillNumber ?? ""}, ServerSideTimestamp: {this.ServerSideTimestamp.ToLongTimeString()}";
        }
    }

    public class ALiPayCertification
    {
        public string Merchant_Private_Key { get; set; }
        public string Merchant_Public_Key { get; set; }
        public string Alipay_Public_key { get; set; }
    }
    public class PostPayQRCodeFuelOrderOptionalFieldModel
    {
        public int Id { get; set; }
        public string key1 { get; set; }
        public string value1 { get; set; }
        public string key2 { get; set; }
        public string value2 { get; set; }
        public string key3 { get; set; }
        public string value3 { get; set; }
        public string key4 { get; set; }
        public string value4 { get; set; }
        public string key5 { get; set; }
        public string value5 { get; set; }
        public string key6 { get; set; }
        public string value6 { get; set; }
        public string key7 { get; set; }
        public string value7 { get; set; }
        public string key8 { get; set; }
        public string value8 { get; set; }
        public string key9 { get; set; }
        public string value9 { get; set; }
        public string key10 { get; set; }
        public string value10 { get; set; }
        public string key11 { get; set; }
        public string value11 { get; set; }
        public string key12 { get; set; }
        public string value12 { get; set; }
        public string key13 { get; set; }
        public string value13 { get; set; }
        public string key14 { get; set; }
        public string value14 { get; set; }
        public string key15 { get; set; }
        public string value15 { get; set; }
    }

    public class SequenceNumber
    {
        private const int INIT_VALUE = 1;

        private static readonly object obj = new object();
        private static int counter = INIT_VALUE;
        public static string Next()
        {
            lock (obj)
            {
                var now = DateTime.Now.ToString("yyyyMMddHHmmssfff");
                var cnt = counter.ToString().PadLeft(11, '0');

                if (counter >= int.MaxValue)
                    counter = INIT_VALUE;
                else
                    counter++;

                return now + cnt; // length of 28
            }
        }
    }

    public class SequenceNumber20
    {
        private const int INIT_VALUE = 1;
        private const int MAX_VALUE = 999;

        private static readonly object obj = new object();
        private static int counter = INIT_VALUE;
        public static string Next()
        {
            lock (obj)
            {
                var now = DateTime.Now.ToString("yyyyMMddHHmmssfff"); // length of 17
                var cnt = counter.ToString().PadLeft(3, '0');

                if (counter > MAX_VALUE)
                    counter = INIT_VALUE;
                else
                    counter++;

                return now + cnt; // length of 20
            }
        }
    }
}