/***********************************************************************
 *            Project: CoreCms
 *        ProjectName: 核心内容管理系统                                
 *                Web: https://www.corecms.net                      
 *             Author: 大灰灰                                          
 *              Email: jianweie@163.com                                
 *         CreateTime: 2025/12/7
 *        Description: 站内信消息管理
 ***********************************************************************/

using CoreCms.Net.Configuration;
using CoreCms.Net.Filter;
using CoreCms.Net.IServices;
using CoreCms.Net.Model.Entities;
using CoreCms.Net.Model.Entities.Expression;
using CoreCms.Net.Model.FromBody;
using CoreCms.Net.Model.ViewModels.UI;
using CoreCms.Net.Utility.Extensions;
using CoreCms.Net.Web.Admin.Infrastructure;

using Microsoft.AspNetCore.Authorization;
using Microsoft.AspNetCore.Hosting;
using Microsoft.AspNetCore.Mvc;

using SqlSugar;

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Linq;
using System.Linq.Expressions;
using System.Threading.Tasks;

namespace CoreCms.Net.Web.Admin.Controllers
{
    /// <summary>
    /// 站内信消息管理
    /// </summary>
    [Description("站内信消息管理")]
    [Route("api/[controller]/[action]")]
    [ApiController]
    [RequiredErrorForAdmin]
    [Authorize]
    public class SQMessageController : ControllerBase
    {
        private readonly IWebHostEnvironment _webHostEnvironment;
        private readonly ISQMessageServices _sQMessageServices;
        private readonly ICoreCmsUserServices _userServices;

        /// <summary>
        /// 构造函数
        /// </summary>
        public SQMessageController(
            IWebHostEnvironment webHostEnvironment,
            ISQMessageServices sQMessageServices,
            ICoreCmsUserServices userServices)
        {
            _webHostEnvironment = webHostEnvironment;
            _sQMessageServices = sQMessageServices;
            _userServices = userServices;
        }

        #region 获取列表

        /// <summary>
        /// 获取消息列表
        /// </summary>
        /// <returns></returns>
        [HttpPost]
        [Description("获取消息列表")]
        public async Task<AdminUiCallBack> GetPageList()
        {
            var jm = new AdminUiCallBack();
            var pageCurrent = Request.Form["page"].FirstOrDefault().ObjectToInt(1);
            var pageSize = Request.Form["limit"].FirstOrDefault().ObjectToInt(30);
            var where = PredicateBuilder.True<SQMessage>();

            // 获取排序字段
            var orderField = Request.Form["orderField"].FirstOrDefault();
            Expression<Func<SQMessage, object>> orderEx = orderField switch
            {
                "id" => p => p.id,
                "title" => p => p.title,
                "target_type" => p => p.target_type,
                "message_type" => p => p.message_type,
                "created_at" => p => p.created_at,
                _ => p => p.id
            };

            // 设置排序方式
            var orderDirection = Request.Form["orderDirection"].FirstOrDefault();
            var orderBy = orderDirection switch
            {
                "asc" => OrderByType.Asc,
                "desc" => OrderByType.Desc,
                _ => OrderByType.Desc
            };

            // 查询筛选
            var id = Request.Form["id"].FirstOrDefault().ObjectToInt(0);
            if (id > 0)
            {
                where = where.And(p => p.id == id);
            }

            var title = Request.Form["title"].FirstOrDefault();
            if (!string.IsNullOrEmpty(title))
            {
                where = where.And(p => p.title.Contains(title));
            }

            var targetType = Request.Form["target_type"].FirstOrDefault();
            if (!string.IsNullOrEmpty(targetType))
            {
                var targetTypeInt = targetType.ObjectToInt(-1);
                if (targetTypeInt >= 0)
                {
                    where = where.And(p => p.target_type == targetTypeInt);
                }
            }

            var messageType = Request.Form["message_type"].FirstOrDefault();
            if (!string.IsNullOrEmpty(messageType))
            {
                var messageTypeInt = messageType.ObjectToInt(-1);
                if (messageTypeInt >= 0)
                {
                    where = where.And(p => p.message_type == messageTypeInt);
                }
            }

            // 获取数据
            var list = await _sQMessageServices.QueryPageAsync(where, orderEx, orderBy, pageCurrent, pageSize, true);

            // 关联查询用户昵称
            var userIds = list.Where(p => p.user_id.HasValue && p.user_id > 0)
                              .Select(p => p.user_id.Value)
                              .Distinct()
                              .ToList();

            var userDict = new Dictionary<int, string>();
            if (userIds.Any())
            {
                var users = await _userServices.QueryListByClauseAsync(p => userIds.Contains(p.id));
                userDict = users.ToDictionary(p => p.id, p => p.nickName ?? p.mobile ?? $"用户{p.id}");
            }

            // 组装返回数据，添加用户昵称
            var resultList = list.Select(p => new
            {
                p.id,
                p.user_id,
                p.target_type,
                p.title,
                p.content,
                p.message_type,
                p.is_read,
                p.sender_id,
                p.related_type,
                p.related_id,
                p.created_at,
                p.updated_at,
                nickName = p.user_id.HasValue && userDict.ContainsKey(p.user_id.Value)
                    ? userDict[p.user_id.Value]
                    : (p.target_type == 1 ? "全员广播" : "-")
            }).ToList();

            jm.data = resultList;
            jm.code = 0;
            jm.count = list.TotalCount;
            jm.msg = "数据调用成功!";
            return jm;
        }

        #endregion

        #region 首页数据

        /// <summary>
        /// 首页数据
        /// </summary>
        /// <returns></returns>
        [HttpPost]
        [Description("首页数据")]
        public AdminUiCallBack GetIndex()
        {
            var jm = new AdminUiCallBack { code = 0 };
            return jm;
        }

        #endregion

        #region 创建数据

        /// <summary>
        /// 创建页面
        /// </summary>
        /// <returns></returns>
        [HttpPost]
        [Description("创建页面")]
        public AdminUiCallBack GetCreate()
        {
            var jm = new AdminUiCallBack { code = 0 };
            return jm;
        }

        /// <summary>
        /// 创建提交
        /// </summary>
        /// <param name="entity"></param>
        /// <returns></returns>
        [HttpPost]
        [Description("创建提交")]
        public async Task<AdminUiCallBack> DoCreate([FromBody] SQMessage entity)
        {
            var jm = new AdminUiCallBack();

            entity.created_at = DateTime.Now;
            entity.is_read = false;

            var result = await _sQMessageServices.InsertAsync(entity);
            jm.code = result.code;
            jm.msg = result.msg;

            return jm;
        }

        #endregion

        #region 编辑数据

        /// <summary>
        /// 编辑页面
        /// </summary>
        /// <param name="entity"></param>
        /// <returns></returns>
        [HttpPost]
        [Description("编辑页面")]
        public async Task<AdminUiCallBack> GetEdit([FromBody] FMIntId entity)
        {
            var jm = new AdminUiCallBack();

            var model = await _sQMessageServices.QueryByIdAsync(entity.id);
            if (model == null)
            {
                jm.msg = "不存在此信息";
                return jm;
            }
            jm.code = 0;
            jm.data = model;
            return jm;
        }

        /// <summary>
        /// 编辑提交
        /// </summary>
        /// <param name="entity"></param>
        /// <returns></returns>
        [HttpPost]
        [Description("编辑提交")]
        public async Task<AdminUiCallBack> DoEdit([FromBody] SQMessage entity)
        {
            var jm = new AdminUiCallBack();

            entity.updated_at = DateTime.Now;
            var result = await _sQMessageServices.UpdateAsync(entity);
            jm.code = result.code;
            jm.msg = result.msg;

            return jm;
        }

        #endregion

        #region 删除数据

        /// <summary>
        /// 删除数据
        /// </summary>
        /// <param name="entity"></param>
        /// <returns></returns>
        [HttpPost]
        [Description("删除数据")]
        public async Task<AdminUiCallBack> DoDelete([FromBody] FMIntId entity)
        {
            var jm = new AdminUiCallBack();
            var result = await _sQMessageServices.DeleteByIdAsync(entity.id);
            jm.code = result.code;
            jm.msg = result.msg;
            return jm;
        }

        /// <summary>
        /// 批量删除
        /// </summary>
        /// <param name="entity"></param>
        /// <returns></returns>
        [HttpPost]
        [Description("批量删除")]
        public async Task<AdminUiCallBack> DoBatchDelete([FromBody] FMArrayIntIds entity)
        {
            var jm = new AdminUiCallBack();
            var result = await _sQMessageServices.DeleteByIdsAsync(entity.id);
            jm.code = result.code;
            jm.msg = result.msg;
            return jm;
        }

        #endregion

        #region 发送消息

        /// <summary>
        /// 发送消息给指定用户
        /// </summary>
        /// <returns></returns>
        [HttpPost]
        [Description("发送消息给指定用户")]
        public async Task<AdminUiCallBack> SendToUser([FromBody] SendMessageRequest request)
        {
            var jm = new AdminUiCallBack();

            if (request.userId <= 0)
            {
                jm.msg = "请选择用户";
                return jm;
            }

            if (string.IsNullOrEmpty(request.title) || string.IsNullOrEmpty(request.content))
            {
                jm.msg = "请填写标题和内容";
                return jm;
            }

            var result = await _sQMessageServices.SendToUserAsync(
                request.userId,
                request.title,
                request.content,
                request.messageType,
                request.senderId);

            jm.code = result ? 0 : 1;
            jm.msg = result ? "发送成功" : "发送失败";
            return jm;
        }

        /// <summary>
        /// 发送消息给多个用户
        /// </summary>
        /// <returns></returns>
        [HttpPost]
        [Description("发送消息给多个用户")]
        public async Task<AdminUiCallBack> SendToUsers([FromBody] SendMessageToUsersRequest request)
        {
            var jm = new AdminUiCallBack();

            if (request.userIds == null || request.userIds.Count == 0)
            {
                jm.msg = "请选择用户";
                return jm;
            }

            if (string.IsNullOrEmpty(request.title) || string.IsNullOrEmpty(request.content))
            {
                jm.msg = "请填写标题和内容";
                return jm;
            }

            var result = await _sQMessageServices.SendToUsersAsync(
                request.userIds,
                request.title,
                request.content,
                request.messageType,
                request.senderId);

            jm.code = result ? 0 : 1;
            jm.msg = result ? "发送成功" : "发送失败";
            return jm;
        }

        /// <summary>
        /// 发送全员广播
        /// </summary>
        /// <returns></returns>
        [HttpPost]
        [Description("发送全员广播")]
        public async Task<AdminUiCallBack> SendBroadcast([FromBody] SendBroadcastRequest request)
        {
            var jm = new AdminUiCallBack();

            if (string.IsNullOrEmpty(request.title) || string.IsNullOrEmpty(request.content))
            {
                jm.msg = "请填写标题和内容";
                return jm;
            }

            var result = await _sQMessageServices.SendBroadcastAsync(
                request.title,
                request.content,
                request.senderId);

            jm.code = result ? 0 : 1;
            jm.msg = result ? "发送成功" : "发送失败";
            return jm;
        }

        #endregion

        #region 获取用户列表（用于选择发送对象）

        /// <summary>
        /// 获取用户列表
        /// </summary>
        /// <returns></returns>
        [HttpPost]
        [Description("获取用户列表")]
        public async Task<AdminUiCallBack> GetUserList()
        {
            var jm = new AdminUiCallBack();
            var pageCurrent = Request.Form["page"].FirstOrDefault().ObjectToInt(1);
            var pageSize = Request.Form["limit"].FirstOrDefault().ObjectToInt(30);

            var where = PredicateBuilder.True<CoreCmsUser>();

            var nickName = Request.Form["nickName"].FirstOrDefault();
            if (!string.IsNullOrEmpty(nickName))
            {
                where = where.And(p => p.nickName.Contains(nickName));
            }

            var mobile = Request.Form["mobile"].FirstOrDefault();
            if (!string.IsNullOrEmpty(mobile))
            {
                where = where.And(p => p.mobile.Contains(mobile));
            }

            var list = await _userServices.QueryPageAsync(where, p => p.id, OrderByType.Desc, pageCurrent, pageSize);

            jm.data = list;
            jm.code = 0;
            jm.count = list.TotalCount;
            jm.msg = "数据调用成功!";
            return jm;
        }

        #endregion
    }

    #region 请求模型

    /// <summary>
    /// 发送消息请求
    /// </summary>
    public class SendMessageRequest
    {
        public int userId { get; set; }
        public string title { get; set; }
        public string content { get; set; }
        public int messageType { get; set; } = 1;
        public int? senderId { get; set; }
    }

    /// <summary>
    /// 发送消息给多个用户请求
    /// </summary>
    public class SendMessageToUsersRequest
    {
        public List<int> userIds { get; set; }
        public string title { get; set; }
        public string content { get; set; }
        public int messageType { get; set; } = 1;
        public int? senderId { get; set; }
    }

    /// <summary>
    /// 发送全员广播请求
    /// </summary>
    public class SendBroadcastRequest
    {
        public string title { get; set; }
        public string content { get; set; }
        public int? senderId { get; set; }
    }

    #endregion
}