using EyeSoft.Collections.Generic;
using Microsoft.AspNetCore.Http;
using Microsoft.AspNetCore.Mvc;
using NPOI.SS.Formula.Functions;
using NPOI.Util;
using OASystem.API.OAMethodLib.DeepSeekAPI;
using OASystem.API.OAMethodLib.GenericSearch;
using OASystem.Domain.AesEncryption;
using OASystem.Domain.Entities.Customer;
using OASystem.Domain.Entities.Financial;
using OASystem.Domain.Entities.Groups;
using OASystem.Domain.ViewModels.Search;
using OASystem.Infrastructure.Repositories.CRM;
using OASystem.Infrastructure.Repositories.System;
using static iTextSharp.text.pdf.AcroFields;

namespace OASystem.API.Controllers
{
    /// <summary>
    /// 搜索
    /// </summary>
    [Route("api/search")]
    [ApiController]
    public class SearchController : ControllerBase
    {
        private readonly SqlSugarClient _sqlSugar;
        private readonly DynamicSearchService<Grp_DelegationInfo> _groupSearchService;
        private readonly DynamicSearchService<NewClientDataView> _clientSearchService;

        private readonly NewClientDataRepository _clientDataRepository;
        public SearchController(
            SqlSugarClient sqlSugar,
           DynamicSearchService<Grp_DelegationInfo> groupSearchService,
           DynamicSearchService<NewClientDataView> clientSearchService,
           NewClientDataRepository clientDataRepository
           )
        {
            _sqlSugar = sqlSugar;
            _groupSearchService = groupSearchService;
            _clientSearchService = clientSearchService;
            _clientDataRepository = clientDataRepository;
        }

        /// <summary>
        ///  接团信息  关键字输入提示(单字段)
        /// </summary>
        /// <param name="keyword">关键字</param>
        /// <returns></returns>
        [HttpGet("group/{keyword}")]
        [ProducesResponseType(typeof(JsonView), StatusCodes.Status200OK)]
        public async Task<IActionResult> GroupKeywordSearch(string keyword)
        {
            try
            {
                // 验证请求参数
                if (string.IsNullOrEmpty(keyword))
                {
                    return Ok(JsonView(true, $"暂无数据！"));
                }

                var searchRequest = new DynamicSearchRequest
                {
                    Keyword = keyword,
                    RequireAllSingleChars = true,
                    PageIndex = 1,
                    PageSize = 999999,
                    FieldWeights = new Dictionary<string, int>
                    {
                        { "TeamName", 10 },
                        //{ "ClientUnit", 8 },
                        //{ "ClientName", 6 }
                    },
                    Filters = new List<SearchFilter>()
                    {
                        new(){Field = "IsDel",Operator="eq",Value="0" }
                    },
                    OrderBy = "TeamName",
                    ReturnFields = new List<string>() { "TeamName" }
                };

                // 验证字段配置
                var validation = _groupSearchService.ValidateFieldConfig(
                    searchRequest.FieldWeights,
                    searchRequest.ReturnFields);

                if (!validation.IsValid)
                {
                    return Ok(JsonView(true, $"暂无数据！{validation.Message}"));
                }

                var result = await _groupSearchService.SearchAsync(searchRequest);

                if (result.Success)
                {
                    var data = result.Items.Select(x => new { x.Data.Id, x.Data.TeamName }).ToList();

                    return Ok(JsonView(true, result.Message, data, data.Count));
                }

                return Ok(JsonView(true, result.Message));
            }
            catch (Exception ex)
            {
                return Ok(JsonView(true, $"搜索服务暂时不可用！"));
            }

        }

        /// <summary>
        /// 客户资料  关键字输入提示(多字段)
        /// </summary>
        /// <param name="userId">关键字</param>
        /// <param name="keyword">关键字</param>
        /// <returns></returns>
        [HttpGet("group/{userId}/{keyword}")]
        [ProducesResponseType(typeof(JsonView), StatusCodes.Status200OK)]
        public async Task<IActionResult> ClientKeywordSearch(int userId, string keyword)
        {
            try
            {
                // 验证请求参数
                if (string.IsNullOrEmpty(keyword))
                {
                    return Ok(JsonView(true, $"暂无数据！"));
                }

                //查询有权限的数据
                var clientIds = await _sqlSugar
                    .Queryable<Crm_ClientDataAndUser>()
                    .Where(x => x.IsDel == 0 && x.usersId == userId)
                    .Select(x => x.NewClientDataId)
                    .ToListAsync();
                if (clientIds == null || clientIds.Count < 1)
                {
                    return Ok(JsonView(true, $"暂无数据！"));
                }

                var data = _sqlSugar.Queryable<Crm_NewClientData>()
                    .Where(x => x.IsDel == 0 && clientIds.Contains(x.Id))
                    .OrderByDescending(x => x.CreateTime)
                    .Select(x => new NewClientDataView()
                    {
                        Id = x.Id,
                        Client = x.Client,
                        Contact = x.Contact,
                        Job = x.Job,
                        Telephone = x.Telephone,
                        Location = x.Location,
                    })
                    .ToList();
                int index = 0;
                data.ForEach(x =>
                {
                    index++;
                    x.RowNumber = index;
                    x.Client = AesEncryptionHelper.Decrypt(x.Client);
                    x.Contact = AesEncryptionHelper.Decrypt(x.Contact);
                    x.Job = AesEncryptionHelper.Decrypt(x.Job);
                    x.Telephone = AesEncryptionHelper.Decrypt(x.Telephone);
                    x.Location = AesEncryptionHelper.Decrypt(x.Location);
                });


                var searchRequest = new DynamicSearchRequest
                {
                    Keyword = keyword,
                    RequireAllSingleChars = true,
                    PageIndex = 1,
                    PageSize = 999999,
                    FieldWeights = new Dictionary<string, int>
                    {
                        { "Client", 10 },
                        { "Contact", 8 },
                        { "Location", 6 }
                    },
                    OrderBy = "CreateTime"
                };

                // 验证字段配置
                var validation = _clientSearchService.ValidateFieldConfig(
                    searchRequest.FieldWeights,
                    searchRequest.ReturnFields);

                if (!validation.IsValid)
                {
                    return Ok(JsonView(true, $"暂无数据！{validation.Message}"));
                }

                var result = _clientSearchService.SearchDataSource(searchRequest, data);

                if (result.Success)
                {
                    var view = result.Items.Select(x => x.Data).ToList();

                    int resetIndex = 0;
                    view.ForEach(x =>
                    {
                        resetIndex++;
                        x.RowNumber = resetIndex;
                    });

                    return Ok(JsonView(true, result.Message, view, view.Count));
                }

                return Ok(JsonView(true, "暂无数据"));
            }
            catch (Exception ex)
            {
                return Ok(JsonView(true, $"搜索服务暂时不可用！"));
            }

        }

        /// <summary>
        /// 客户资料
        /// </summary>
        /// <param name="userId">关键字</param>
        /// <param name="keyword">关键字</param>
        /// <returns></returns>
        [HttpGet("ClientKeywordSearch/{userId}/{keyword}")]
        [ProducesResponseType(typeof(JsonView), StatusCodes.Status200OK)]
        public async Task<IActionResult> ClientKeywordSearchAll(int userId, string keyword)
        {
            try
            {
                // 验证请求参数
                if (string.IsNullOrEmpty(keyword))
                {
                    return Ok(JsonView(true, $"暂无数据！"));
                }

                var userIds = _clientDataRepository.GetNewExistClient(userId).Select(x => x.Id).ToList();
                //查询有权限的数据(包括负责用户)
                var clientIds = await _sqlSugar
                    .Queryable<Crm_ClientDataAndUser>()
                    .Where(x => x.IsDel == 0 && userIds.Contains(x.usersId))
                    .Select(x => x.NewClientDataId)
                    .ToListAsync();
                if (clientIds == null || clientIds.Count < 1)
                {
                    return Ok(JsonView(true, $"暂无数据！"));
                }

                var data = _sqlSugar.Queryable<Crm_NewClientData>()
                    .Where(x => x.IsDel == 0 && clientIds.Contains(x.Id))
                    .OrderByDescending(x => x.CreateTime)
                    .Select(x => new NewClientDataView()
                    {
                        Id = x.Id,
                        Client = x.Client,
                        Contact = x.Contact,
                        Job = x.Job,
                        Telephone = x.Telephone,
                        Location = x.Location,
                    })
                    .ToList();
                int index = 0;
                data.ForEach(x =>
                {
                    index++;
                    x.RowNumber = index;
                    x.Client = AesEncryptionHelper.Decrypt(x.Client);
                    x.Contact = AesEncryptionHelper.Decrypt(x.Contact);
                    x.Job = AesEncryptionHelper.Decrypt(x.Job);
                    x.Telephone = AesEncryptionHelper.Decrypt(x.Telephone);
                    x.Location = AesEncryptionHelper.Decrypt(x.Location);
                });


                var searchRequest = new DynamicSearchRequest
                {
                    Keyword = keyword,
                    RequireAllSingleChars = true,
                    PageIndex = 1,
                    PageSize = 999999,
                    FieldWeights = new Dictionary<string, int>
                    {
                        { "Client", 10 },
                        { "Contact", 8 },
                        { "Location", 6 }
                    },
                    OrderBy = "CreateTime"
                };

                // 验证字段配置
                var validation = _clientSearchService.ValidateFieldConfig(
                    searchRequest.FieldWeights,
                    searchRequest.ReturnFields);

                if (!validation.IsValid)
                {
                    return Ok(JsonView(true, $"暂无数据！{validation.Message}"));
                }

                var result = _clientSearchService.SearchDataSource(searchRequest, data);

                if (result.Success)
                {
                    var view = result.Items.Select(x => x.Data).ToList();

                    int resetIndex = 0;
                    view.ForEach(x =>
                    {
                        resetIndex++;
                        x.RowNumber = resetIndex;
                    });

                    return Ok(JsonView(true, result.Message, view, view.Count));
                }

                return Ok(JsonView(true, "暂无数据"));
            }
            catch (Exception ex)
            {
                return Ok(JsonView(true, $"搜索服务暂时不可用！"));
            }

        }

        /// <summary>
        /// 团组、会务流程 关键字输入提示(智能版)
        /// </summary>
        /// <param name="keyword">关键字</param>
        /// <returns></returns>
        [HttpGet]
        [ProducesResponseType(typeof(JsonView), StatusCodes.Status200OK)]
        public async Task<IActionResult> ProcessKeywordSearch(string keyword)
        {
            try
            {
                // 验证请求参数
                if (string.IsNullOrEmpty(keyword))
                {
                    return Ok(JsonView(true, $"暂无数据！"));
                }

                var searchRequest = new DynamicSearchRequest
                {
                    Keyword = keyword,
                    RequireAllSingleChars = true,
                    PageIndex = 1,
                    PageSize = 999999,
                    FieldWeights = new Dictionary<string, int>
                    {
                        { "TeamName", 10 }
                    },
                    Filters = new List<SearchFilter>()
                    {
                        new(){Field = "IsDel",Operator="eq",Value="0" }
                    },
                    OrderBy = "VisitDate",
                    ReturnFields = new List<string>() { "TeamName" }
                };

                // 验证字段配置
                var validation = _groupSearchService.ValidateFieldConfig(
                    searchRequest.FieldWeights,
                    searchRequest.ReturnFields);

                if (!validation.IsValid)
                {
                    return Ok(JsonView(true, $"暂无数据！{validation.Message}"));
                }

                var result = await _groupSearchService.SearchAsync(searchRequest);

                if (result.Success)
                {
                    var data = new List<dynamic>();

                    foreach (var item in result.Items)
                    {
                        data.Add(new
                        {
                            item.Data.Id,
                            item.Data.TeamName,
                        });
                    }

                    return Ok(JsonView(true, result.Message, data, data.Count));
                }

                return Ok(JsonView(true, result.Message));
            }
            catch (Exception ex)
            {
                return Ok(JsonView(true, $"搜索服务暂时不可用！"));
            }
        }

        /// <summary>
        /// 团组会务成本 关键字输入提示(智能版)
        /// </summary>
        /// <param name="keyword">关键字</param>
        /// <returns></returns>
        [HttpGet("ConferenceAffairsKeywordSearch/{keyword}")]
        [ProducesResponseType(typeof(JsonView), StatusCodes.Status200OK)]
        public async Task<IActionResult> ConferenceAffairsKeywordSearch(string keyword)
        {
            try
            {
                // 验证请求参数
                if (string.IsNullOrEmpty(keyword))
                {
                    return Ok(JsonView(true, $"暂无数据！"));
                }
                var hwIds = _sqlSugar.Queryable<Sys_SetData>()
                       .Where(x => x.IsDel == 0 && x.STid == 10 && x.Name.Contains("会务活动"))
                       .Select(x => x.Id)
                       .ToList();

                var object_hwIds = hwIds.ConvertAll<object>(x => x);

                var searchRequest = new DynamicSearchRequest
                {
                    Keyword = keyword,
                    RequireAllSingleChars = true,
                    PageIndex = 1,
                    PageSize = 999999,
                    FieldWeights = new Dictionary<string, int>
                    {
                        { "TeamName", 10 }
                    },
                    Filters = new List<SearchFilter>()
                    {
                        new(){Field = "IsDel",Operator="eq",Value="0" },
                        new(){Field = "TeamDid",Operator="in",Values=object_hwIds }
                    },
                    OrderBy = "VisitDate",
                    ReturnFields = new List<string>() { "TeamName" }
                };

                // 验证字段配置
                var validation = _groupSearchService.ValidateFieldConfig(
                    searchRequest.FieldWeights,
                    searchRequest.ReturnFields);

                if (!validation.IsValid)
                {
                    return Ok(JsonView(true, $"暂无数据！{validation.Message}"));
                }

                var result = await _groupSearchService.SearchAsync(searchRequest);

                if (result.Success)
                {
                    var data = new List<dynamic>();

                    foreach (var item in result.Items)
                    {
                        data.Add(new
                        {
                            item.Data.Id,
                            item.Data.TeamName,
                        });
                    }

                    return Ok(JsonView(true, result.Message, data, data.Count));
                }

                return Ok(JsonView(true, result.Message));
            }
            catch (Exception ex)
            {
                return Ok(JsonView(true, $"搜索服务暂时不可用！"));
            }
        }

        /// <summary>
        /// 团组各项费用录入 关键字输入提示(智能版)
        /// 76	酒店预订
        /// 79	车/导游地接
        /// 80	签证
        /// 81	邀请/公务活动
        /// 82	团组客户保险
        /// 85	机票预订
        /// 98	其他款项
        /// 285	收款退还
        /// 1015 超支费用
        /// 1081 文档下载
        /// 1466 会务相关
        /// </summary>
        /// <param name="userId">用户Id</param>
        /// <param name="feeType">费用类型</param>
        /// <param name="keyword">关键字</param>
        /// <returns></returns>
        [HttpGet("GroupFeeKeywordSearch/{userId}/{feeType}/{keyword}")]
        [ProducesResponseType(typeof(JsonView), StatusCodes.Status200OK)]
        public async Task<IActionResult> GroupFeeKeywordSearch(int userId, int feeType, string keyword)
        {
            try
            {
                #region 参数验证

                // 基本参数验证
                if (userId <= 0)
                    return Ok(JsonView(false, "用户ID必须大于0!"));

                if (feeType <= 0)
                    return Ok(JsonView(false, "费用类型必须大于0!"));

                // 验证用户是否存在
                var userExists = await _sqlSugar.Queryable<Sys_Users>()
                    .Where(x => x.IsDel == 0 && x.Id == userId)
                    .AnyAsync();

                if (!userExists)
                {
                    return Ok(JsonView(false, "用户不存在或已被删除"));
                }

                // 验证费用类型是否有效
                var feeTypeExists = await _sqlSugar.Queryable<Sys_SetData>()
                    .Where(x => x.IsDel == 0 && x.STid == 16 && x.Id == feeType)
                    .AnyAsync();

                if (!feeTypeExists)
                {
                    return Ok(JsonView(false, "无效的费用类型"));
                }

                // 验证关键字
                if (string.IsNullOrWhiteSpace(keyword))
                {
                    return Ok(JsonView(false, "请输入搜索关键字"));
                }

                #endregion

                #region 获取用户有权限的团组ID

                // 获取用户有权限访问的团组ID列表
                var authorizedGroupIds = await _sqlSugar.Queryable<Grp_GroupsTaskAssignment>()
                    .Where(x => x.IsDel == 0 && x.UId == userId && x.CTId == feeType)
                    .Select(x => x.DIId)
                    .Distinct()
                    .ToListAsync();

                if (!authorizedGroupIds.Any())
                {
                    return Ok(JsonView(true, "暂无数据", new List<object>(), 0));
                }

                #endregion

                #region 构建搜索请求

                var searchRequest = new DynamicSearchRequest
                {
                    Keyword = keyword.Trim(),
                    RequireAllSingleChars = true,
                    PageIndex = 1,
                    PageSize = 20, // 限制返回数量，提高性能
                    FieldWeights = new Dictionary<string, int>
                    {
                        { "TeamName", 10 }
                    },
                    Filters = new List<SearchFilter>
                    {
                        new SearchFilter { Field = "IsDel", Operator = "eq", Value = "0" },
                        new SearchFilter { Field = "Id", Operator = "in", Values = authorizedGroupIds.ConvertAll<object>(x => x) }
                    },
                    OrderBy = "VisitDate", // 添加排序方向
                    ReturnFields = new List<string> { "Id", "TeamName" } // 添加ID字段
                };

                #endregion

                #region 字段配置验证

                var validation = _groupSearchService.ValidateFieldConfig(
                    searchRequest.FieldWeights,
                    searchRequest.ReturnFields);

                if (!validation.IsValid)
                {
                    return Ok(JsonView(false, $"字段配置错误: {validation.Message}"));
                }

                #endregion

                #region 执行搜索

                var result = await _groupSearchService.SearchAsync(searchRequest);

                if (!result.Success)
                {
                    return Ok(JsonView(false, result.Message ?? "搜索失败"));
                }

                if (result.Items == null || !result.Items.Any())
                {
                    return Ok(JsonView(true, "未找到匹配的团组", new List<object>(), 0));
                }

                #endregion

                #region 构建返回数据

                var responseData = result.Items
                    .Where(item => item.Data != null)
                    .Select(item => new
                    {
                        Id = item.Data.Id,
                        TeamName = item.Data.TeamName
                    })
                    .Where(x => !string.IsNullOrWhiteSpace(x.TeamName)) // 过滤空名称
                    .Distinct() // 去重
                    .ToList();

                #endregion

                return Ok(JsonView(true, "搜索成功", responseData, responseData.Count));
            }
            catch (Exception ex)
            {
                // 记录日志（实际项目中应该使用日志框架）
                // _logger.LogError(ex, "团组费用关键字搜索失败，用户ID: {UserId}, 费用类型: {FeeType}", userId, feeType);

                // 生产环境中不要返回详细的错误信息
                return Ok(JsonView(false, "搜索服务暂时不可用，请稍后重试"));
            }
        }
    }
}