using DS.Module.Core;
using DS.Module.SqlSugar;
using DS.Module.UserModule;
using DS.WMS.Core.TaskPlat.Dtos;
using DS.WMS.Core.TaskPlat.Entity;
using DS.WMS.Core.TaskPlat.Interface;
using LanguageExt.Pipes;
using Microsoft.Extensions.Logging;
using SqlSugar;


namespace DS.WMS.Core.TaskPlat.Method
{
    /// <summary>
    /// 任务分配设置维护服务
    /// </summary>
    public class TaskAllocationService : ITaskAllocationService
    {
        private readonly IUser user;
        private readonly ILogger<TaskManageBCService> logger;
        private readonly ISaasDbService saasDbService;

        public TaskAllocationService(IUser user,
                                   ILogger<TaskManageBCService> logger,
                                   ISaasDbService saasDbService)
        {
            this.user = user;
            this.logger = logger;
            this.saasDbService = saasDbService;
        }
        /// <summary>
        /// 获取任务分配列表
        /// </summary>
        /// <param name="carrierId">船公司Id（可选）</param>
        public async Task<DataResult<List<TaskAllocationtSet>>> GetList(long? carrierId)
        {
            var tenantDb = saasDbService.GetBizDbScopeById(user.TenantId);

            var list = await tenantDb.Queryable<TaskAllocationtSet>()
                                     .Where(x => x.CarrierId == carrierId)
                                     .ToListAsync();
            return DataResult<List<TaskAllocationtSet>>.Success(list);
        }

        /// <summary>
        /// 获取任务分配列表中已存在的船公司列表（用于查询）
        /// </summary>
        public async Task<DataResult<List<CarrierInfoDto>>> GetContainsCarrierList()
        {
            var tenantDb = saasDbService.GetBizDbScopeById(user.TenantId);

            var carrierList = await tenantDb.Queryable<TaskAllocationtSet>().Select(x => new CarrierInfoDto()
            {
                CarrierId = x.CarrierId,
                Carrier = x.Carrier,
                CarrierCode = x.CarrierCode
            }).Where(x => x.CarrierId != null).Distinct().ToListAsync();

            return DataResult<List<CarrierInfoDto>>.Success(carrierList);
        }

        /// <summary>
        /// 保存任务分配设置
        /// </summary>
        public async Task<DataResult> Save(TaskAllocationtSetSaveDto saveDto)
        {
            var tenantDb = saasDbService.GetBizDbScopeById(user.TenantId);

            if (string.IsNullOrEmpty(saveDto.CarrierCode))
            {
                saveDto.CarrierCode = null;
            }
            if (string.IsNullOrEmpty(saveDto.Carrier))
            {
                saveDto.Carrier = null;
            }
            if (saveDto.CarrierId == 0)
            {
                saveDto.CarrierId = null;
            }

            var fieldName = saveDto.AllocationTargetCode switch
            {
                "Operator" => nameof(TaskAllocationtSet.IsAllotOperator),
                "VouchingClerk" => nameof(TaskAllocationtSet.IsAllotVouchingClerk),
                "Sale" => nameof(TaskAllocationtSet.IsAllotSale),
                "Custom" => nameof(TaskAllocationtSet.IsAllotCustom),
                "FinancialStaff" => nameof(TaskAllocationtSet.IsAllotFinancialStaff),
                "CustomerService" => nameof(TaskAllocationtSet.IsAllotCustomerService),
                "Driver" => nameof(TaskAllocationtSet.IsAllotDriver),
                "Dispatcher" => nameof(TaskAllocationtSet.IsAllotDispatcher),
                _ => throw new NotImplementedException(),
            };

            try
            {
                // 先查出来已有的、指定船公司的配置
                var oldSettingList = await tenantDb.Queryable<TaskAllocationtSet>().Where(x => x.CarrierId == saveDto.CarrierId).Select(x => new { x.Id, x.TaskTypeCode }).ToListAsync();

                var oldSettingIdList = oldSettingList.Select(x => x.Id);
                var oldSettingTypeCodeList = oldSettingList.Select(x => x.TaskTypeCode);

                await tenantDb.Ado.BeginTranAsync();

                // 将原有的状态设置为未分配
                await tenantDb.Updateable<TaskAllocationtSet>()
                              .SetColumns(fieldName, false)
                              .Where(x => oldSettingIdList.Contains(x.Id))
                              .ExecuteCommandAsync();

                // 补充缺少的任务类型
                if (saveDto.TaskTypeList?.Any() == true)
                {
                    var waitAddTypeCodeList = saveDto.TaskTypeList.Select(x => x.TaskTypeCode).Except(oldSettingTypeCodeList).ToList();

                    if (waitAddTypeCodeList.Count > 0)
                    {
                        var waitAddSetList = waitAddTypeCodeList.Select(x => new TaskAllocationtSet()
                        {
                            CarrierId = saveDto.CarrierId,
                            Carrier = saveDto.Carrier,
                            CarrierCode = saveDto.CarrierCode,
                            TaskTypeCode = x,
                            TaskTypeName = saveDto.TaskTypeList.First(t => t.TaskTypeCode == x).TaskTypeName,
                        }).ToList();

                        await tenantDb.Insertable(waitAddSetList).ExecuteCommandAsync();
                    }

                    var setTaskCodeList = saveDto.TaskTypeList.Select(x => x.TaskTypeCode);

                    // 更新指定船公司的配置
                    await tenantDb.Updateable<TaskAllocationtSet>()
                                  .SetColumns(fieldName, true)
                                  .Where(x => x.CarrierId == saveDto.CarrierId && setTaskCodeList.Contains(x.TaskTypeCode))
                                  .ExecuteCommandAsync();
                }

                await tenantDb.Ado.CommitTranAsync();
            }
            catch (Exception ex)
            {
                await tenantDb.Ado.RollbackTranAsync();
                logger.LogError(ex, "保存任务分配设置异常");
                throw;
            }
            return DataResult.Successed(MultiLanguageConst.GetDescription(nameof(MultiLanguageConst.DataUpdateSuccess)));
        }
    }
}