using AutoMapper;

using ChouBox.Code.TencentCloudExtend.Model;
using ChouBox.Model.Entities;

using HuanMeng.DotNetCore.Base;
using HuanMeng.DotNetCore.Extensions;

using Microsoft.AspNetCore.Http;
using Microsoft.EntityFrameworkCore;
using Microsoft.Extensions.Configuration;
using Microsoft.Extensions.DependencyInjection;
using Microsoft.Extensions.Logging;

using Newtonsoft.Json;

using StackExchange.Redis;

using System.Threading.Tasks;

namespace ChouBox.Code.AppExtend;

/// <summary>
/// bll 基础类
/// </summary>
public class ChouBoxCodeBase
{
    /// <summary>
    /// _serviceProvider,提供基本依赖注入支持
    /// </summary>
    protected readonly IServiceProvider _serviceProvider;
    /// <summary>
    /// 构造函数
    /// </summary>
    /// <param name="serviceProvider"></param>
    public ChouBoxCodeBase(IServiceProvider serviceProvider)
    {
        _serviceProvider = serviceProvider;
    }

    private EfCoreDaoBase<YoudaContext>? _dao;
    /// <summary>
    /// 数据库，
    /// 更新删除，尽量只操作本bll实例dao获取到的对象，取和存要同一个dao
    /// </summary>
    public EfCoreDaoBase<YoudaContext> Dao
    {
        get
        {
            if (_dao == null)
            {
                _dao = new EfCoreDaoBase<YoudaContext>(_serviceProvider.GetRequiredService<YoudaContext>());

            }
            return _dao;
        }
    }

    #region 映射
    private IMapper _mapper;
    /// <summary>
    /// DTO 映射
    /// </summary>
    public virtual IMapper Mapper
    {
        get
        {
            if (_mapper == null)
            {
                _mapper = _serviceProvider.GetRequiredService<IMapper>();
            }
            return _mapper;
        }
        set
        {
            _mapper = value;
        }
    }
    #endregion

    #region 请求信息
    private IHttpContextAccessor _httpContextAccessor;
    /// <summary>
    /// HttpContextAccessor
    /// </summary>
    public IHttpContextAccessor HttpContextAccessor
    {
        get
        {
            if (_httpContextAccessor == null)
            {
                _httpContextAccessor = _serviceProvider.GetRequiredService<IHttpContextAccessor>();
                
            }
            return _httpContextAccessor;
        }
    }
    
    /// <summary>
    /// 获取客户端真实IP地址，考虑Nginx等代理情况
    /// </summary>
    /// <returns>客户端真实IP地址</returns>
    protected string GetRealIpAddress()
    {
        var context = HttpContextAccessor.HttpContext;
        if (context == null)
            return "unknown";
            
        // 尝试从X-Forwarded-For获取真实IP
        string ip = context.Request.Headers["X-Forwarded-For"].FirstOrDefault();
        
        // 如果X-Forwarded-For为空，尝试X-Real-IP
        if (string.IsNullOrEmpty(ip))
        {
            ip = context.Request.Headers["X-Real-IP"].FirstOrDefault();
        }
        
        // 尝试其他可能包含真实IP的头
        if (string.IsNullOrEmpty(ip))
        {
            ip = context.Request.Headers["Proxy-Client-IP"].FirstOrDefault();
        }
        
        if (string.IsNullOrEmpty(ip))
        {
            ip = context.Request.Headers["WL-Proxy-Client-IP"].FirstOrDefault();
        }
        
        if (string.IsNullOrEmpty(ip))
        {
            ip = context.Request.Headers["HTTP_CLIENT_IP"].FirstOrDefault();
        }
        
        if (string.IsNullOrEmpty(ip))
        {
            ip = context.Request.Headers["HTTP_X_FORWARDED_FOR"].FirstOrDefault();
        }
        
        // 如果还是获取不到，则使用RemoteIpAddress
        if (string.IsNullOrEmpty(ip))
        {
            ip = context.Connection.RemoteIpAddress?.ToString();
        }
        
        // 如果X-Forwarded-For包含多个IP，取第一个非内网IP
        if (!string.IsNullOrEmpty(ip) && ip.Contains(","))
        {
            ip = ip.Split(',')[0].Trim();
        }
        
        return ip ?? "unknown";
    }
    #endregion

    #region 日志
    private ILogger<ChouBoxCodeBase> _logger;
    /// <summary>
    /// 日志
    /// </summary>
    public ILogger<ChouBoxCodeBase> Logger
    {
        get
        {
            if (_logger == null)
            {
                _logger = _serviceProvider.GetRequiredService<ILogger<ChouBoxCodeBase>>();
            }
            return _logger;
        }
    }
    #endregion

    public IConfiguration Configuration()
    {
        return _serviceProvider.GetRequiredService<IConfiguration>();
    }

    #region Redis
    private IDatabase _redis;
    /// <summary>
    /// Redis 缓存
    /// </summary>
    public IDatabase RedisCache
    {
        get
        {
            if (_redis == null)
            {
                var connectionMultiplexer = _serviceProvider.GetRequiredService<IConnectionMultiplexer>();
                _redis = connectionMultiplexer.GetDatabase();
            }
            return _redis;
        }
    }

    #endregion

    /// <summary>
    /// 获取腾讯云短信配置
    /// </summary>
    /// <returns></returns>
    public async Task<TencentSMSConfig> GetTencentSMSConfigAsync()
    {
        var config = await this.GetConfigAsync<TencentSMSConfig>("tencent_sms_config");
        if (config == null)
        {
            config = new TencentSMSConfig()
            {
                SecretId = "AKIDLbhdP0Vs57yd7QZWu8A2jFbno8JKBUp6",
                SecretKey = "",
                ReqMethod = "POST",
                Timeout = 30,
                SmsSdkAppId = "1400923253",
                SignName = "上海寰梦科技发展",
                TemplateId = "2209122"

            };
        }
        return config;
    }

    /// <summary>
    /// 获取系统配置
    /// </summary>
    /// <param name="type">配置关键词</param>
    /// <returns>配置信息</returns>
    public Dictionary<string, object> GetConfig(string type)
    {
        // 生成缓存键
        string cacheKey = $"config:{type}";

        // 尝试从缓存获取数据
        var cachedData = RedisCache.StringGet<Dictionary<string, object>>(cacheKey);
        if (cachedData != null)
        {
            return cachedData;
        }

        // 从数据库查询
        var content = Dao.Context.Config.Where(it => it.Key == type).FirstOrDefault();
        Dictionary<string, object> config = null;

        if (content != null)
        {

            var d = JsonConvert.DeserializeObject<Dictionary<string, object>>(content.Value);
            RedisCache.StringSet(cacheKey, content.Value, TimeSpan.FromMinutes(10));
            return d;
        }
        return null;
    }

    /// <summary>
    /// 获取系统配置
    /// </summary>
    /// <typeparam name="T">实体类</typeparam>
    /// <param name="type">配置key</param>
    /// <returns></returns>
    public async Task<T?> GetConfigAsync<T>(string type) where T : class
    {
        // 生成缓存键
        string cacheKey = $"config:{type}";

        // 尝试从缓存获取数据
        var cachedData = RedisCache.StringGet<T>(cacheKey);
        if (cachedData != null)
        {
            return cachedData;
        }
        // 从数据库查询
        var content = await Dao.Context.Config.Where(it => it.Key == type).FirstOrDefaultAsync();

        if (content != null && !string.IsNullOrEmpty(content.Value))
        {
            var d = JsonConvert.DeserializeObject<T>(content.Value);
            RedisCache.StringSet(cacheKey, content.Value, TimeSpan.FromMinutes(10));
            return d;
        }
        return null;
    }
}