using Furion;
using Furion.HttpRemote;
using Mapster;
using Microsoft.Extensions.Caching.Distributed;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Net.Http.Headers;
using System.Text;
using System.Threading.Tasks;

namespace FlexJobApi.Core
{
    /// <summary>
    /// 系统管理员资源提供者
    /// </summary>
    public class SystemUserResourceHttpProvider : IResourceHttpProvider
    {
        public async Task<string> SendAsStringAsync(HttpRequestBuilder builder)
        {
            var httpRemoteService = App.GetRequiredService<IHttpRemoteService>();
            builder = WithToken(httpRemoteService, builder);
            var response = await httpRemoteService.SendAsStringAsync(builder);
            try
            {
                var result = response.JsonTo(new
                {
                    Code = 0
                });
                if (result.Code == 401)
                {
                    builder = WithToken(httpRemoteService, builder, true);
                    response = await httpRemoteService.SendAsStringAsync(builder);
                }
            }
            catch { }
            return response;
        }

        private HttpRequestBuilder WithToken(IHttpRemoteService httpRemoteService, HttpRequestBuilder builder, bool recache = false)
        {
            var cacheKey = "SystemUserToken";
            var distributedCache = App.GetRequiredService<IDistributedCache>();
            var token = distributedCache.GetString(cacheKey);
            if (token == null || recache)
            {
                var logier = new CurrentLogier
                {
                    Id = new Guid("11111111-1111-1111-1111-111111111111"),
                    Name = "管理员",
                    UserName = "system",
                    Type = EnumUserType.Operation,
                    ClientType = EnumClientType.PcWeb,
                    Level = 999,
                };
                JwtUtils.GenerateToken(logier);
                token = logier.Adapt<TokenDataModel>().ToJson();
                distributedCache.SetString(cacheKey, token, new DistributedCacheEntryOptions
                {
                    AbsoluteExpiration = DateTime.Now.AddMinutes(60 * 23)
                });
            }
            if (token.IsNotNull())
            {
                var model = token.JsonTo<TokenDataModel>();
                if (model.AccessToken.IsNotNull())
                {
                    builder = builder.AddAuthentication(new AuthenticationHeaderValue("Authorization", model.AccessToken));
                }

                if (model.RefreshToken.IsNotNull())
                {
                    builder = builder.AddAuthentication(new AuthenticationHeaderValue("X-Authorization", model.RefreshToken));
                }
            }
            return builder;
        }
    }
    public class TokenDataModel
    {
        /// <summary>
        /// 用户访问令牌
        /// </summary>
        public string AccessToken { get; set; }

        /// <summary>
        /// 刷新令牌
        /// </summary>
        public string RefreshToken { get; set; }
    }
}