using System;
using System.Collections.Generic;
using System.ComponentModel;
using Hncore.Infrastructure.Common;
using Hncore.Infrastructure.Extension;
using Microsoft.AspNetCore.Http;
using Newtonsoft.Json;

namespace Hncore.Infrastructure.OpenApi
{
    public class OpenApiResult<T> where T : class, new()
    {
        [JsonProperty("code")] public OpenApiReturnCode Code { get; private set; }

        [JsonProperty("message")] public string Message { get; private set; } = "";

        [JsonProperty("timestamp")] public long Timestamp { get; set; }

        [JsonProperty("sign")] public string Sign { get; set; }

        [JsonProperty("data")] public T Data { get; set; } = new T();

        private static readonly Dictionary<Enum, string> Dic;

        static OpenApiResult()
        {
            Dic = ObjectExtension.ToDescriptionDictionary<OpenApiReturnCode>();
        }


        public OpenApiResult(OpenApiReturnCode code = OpenApiReturnCode.Success, string message = "")
        {
            Code = code;

            if (string.IsNullOrEmpty(message) && Dic.ContainsKey(Code))
            {
                Message = Dic[Code];
            }
            else
            {
                Message = message;
            }

            this.Timestamp = DateTimeHelper.ToUnixTimestamp(DateTime.Now);
        }

        public void CreateSign(string key)
        {
            this.Sign = OpenApiSignUtil.CreateSign(this.Timestamp, key);
        }

        public OpenApiResult<T> CreateSign(HttpContext httpContext)
        {
            var key = httpContext.Items["OpenApiAppKey"].ToString();

            this.Sign = OpenApiSignUtil.CreateSign(this.Timestamp, key);

            return this;
        }
    }

    public class OpenApiResult : OpenApiResult<object>
    {
        public OpenApiResult(OpenApiReturnCode code = OpenApiReturnCode.Success, string message = "") : base(code,
            message)
        {
        }

        public new OpenApiResult CreateSign(HttpContext httpContext)
        {
            var key = httpContext.Items["OpenApiAppKey"].ToString();

            this.Sign = OpenApiSignUtil.CreateSign(this.Timestamp, key);

            return this;
        }
    }

    public enum OpenApiReturnCode
    {
        /// <summary>
        /// 成功
        /// </summary>
        [Description("成功")] Success = 10000,

        /// <summary>
        /// 验签失败
        /// </summary>
        [Description("未授权")] Unauthorized = 40001,

        /// <summary>
        /// 验签失败
        /// </summary>
        [Description("验签失败")] SignError = 40002,

        /// <summary>
        /// 时间戳过期
        /// </summary>
        [Description("时间戳过期")] TimeStampExpired = 40003,

        /// <summary>
        /// 内部错误
        /// </summary>
        [Description("内部错误")] InternalError = 50000,

        /// <summary>
        /// 处理失败
        /// </summary>
        [Description("处理失败")] Error = 500001
    }
}