using DS.Module.Core;
using DS.WMS.Core.Application.Entity;
using DS.WMS.Core.Application.Interface;
using DS.WMS.Core.Fee.Dtos;
using DS.WMS.Core.Fee.Method;
using DS.WMS.Core.Flow.Dtos;
using DS.WMS.Core.Flow.Interface;
using DS.WMS.Core.TaskInteraction.Dtos;
using DS.WMS.Core.TaskInteraction.Interface;
using Masuit.Tools.Systems;
using Microsoft.Extensions.DependencyInjection;

namespace DS.WMS.Core.Application.Method
{
    /// <summary>
    /// 申请单审核服务
    /// </summary>
    public abstract class ApplicationAuditService<TEntity> : FeeServiceBase, IApplicationAuditService<TEntity>
        where TEntity : ApplicationForm, new()
    {
        /// <summary>
        /// 适用于当前申请单的审核类型
        /// </summary>
        public abstract TaskBaseTypeEnum AuditType { get; }

        readonly IClientFlowInstanceService flowService;
        readonly IAuditTaskService taskService;

        /// <summary>
        /// 初始化
        /// </summary>
        /// <param name="serviceProvider"></param>
        public ApplicationAuditService(IServiceProvider serviceProvider) : base(serviceProvider)
        {
            flowService = serviceProvider.GetRequiredService<IClientFlowInstanceService>();
            taskService = serviceProvider.GetRequiredService<IAuditTaskService>();
        }

        /// <summary>
        /// 一键审核当前登录用户的所有待审核项
        /// </summary>
        /// <param name="request"></param>
        /// <returns></returns>
        public async Task<DataResult> AuditAsync(AuditConditionRequest request)
        {
            var ids = await GetCurrentFlowsQuery([AuditType]).Select(x => x.BusinessId).ToArrayAsync();
            //没有待审批的列表直接返回不再执行后续查询
            if (ids.Length == 0)
                return DataResult.FailedWithDesc(nameof(MultiLanguageConst.NoAuditItems));

            return await AuditAsync(new AuditRequest { Ids = ids, Remark = request.Remark, Result = request.Result });
        }

        /// <summary>
        /// 申请单审核
        /// </summary>
        /// <param name="request"></param>
        /// <returns></returns>
        public async Task<DataResult> AuditAsync(AuditRequest request)
        {
            var apps = await TenantDb.Queryable<TEntity>().Where(x => request.Ids.Contains(x.Id)).Select(x => new TEntity
            {
                Id = x.Id,
                ApplicationNO = x.ApplicationNO,
                Status = x.Status
            }).ToListAsync();

            if (apps.Count == 0)
                return DataResult.FailedWithDesc(nameof(MultiLanguageConst.EmptyData));

            var result = PreAudit(apps);
            if (!result.Succeeded)
                return result;

            bool hasAuthorized = await taskService.HasAuthorizedAsync();
            if (hasAuthorized)
            {
                result = await taskService.AuditAsync(new TaskAuditRequest
                {
                    Ids = request.Ids,
                    Remark = request.Remark,
                    Result = request.Result,
                    TaskTypeName = AuditType.ToString()
                });

                if (!result.Succeeded)
                    return result;
            }
            else
            {
                var flows = await flowService.GetInstanceByBSIdAsync(AuditType, null, request.Ids);
                if (flows.Count != request.Ids.Length)
                    return DataResult.FailedWithDesc(nameof(MultiLanguageConst.FlowNotFound));

                List<string> list = [];
                foreach (var item in flows)
                {
                    result = await flowService.AuditAsync(new FlowAuditInfo
                    {
                        Instance = item,
                        Status = request.Result,
                        AuditNote = request.Remark
                    });

                    if (!result.Succeeded)
                        return result;
                }
            }


            return DataResult.Success;
        }

        /// <summary>
        /// 在执行审批前调用，用于检查申请单状态
        /// </summary>
        /// <param name="applications">申请单</param>
        /// <returns></returns>
        protected virtual DataResult PreAudit(List<TEntity> applications)
        {
            return DataResult.Success;
        }

        /// <summary>
        /// 将申请单重置为未打印状态
        /// </summary>
        /// <param name="ids">申请单ID</param>
        /// <returns></returns>
        public async Task<DataResult> SetUnPrinted(params long[] ids)
        {
            if (typeof(TEntity).IsSubclassOf(typeof(ApplicationForm)))
                throw new NotSupportedException($"不支持的类型，泛型参数需要继承自类：{typeof(ApplicationForm).AssemblyQualifiedName}");

            int rows = await TenantDb.Updateable<TEntity>()
                 .SetColumns(nameof(ApplicationForm.IsPrinted), false)
                 .SetColumns(nameof(ApplicationForm.PrintTimes), 0)
                 .SetColumns(nameof(ApplicationForm.PrinterId), null)
                 .SetColumns(nameof(ApplicationForm.PrinterName), null)
                 .SetColumns(nameof(ApplicationForm.PrintTime), null)
                 .Where(x => ids.Contains(x.Id)).ExecuteCommandAsync();

            return rows > 0 ? DataResult.Success : DataResult.FailedWithDesc(nameof(MultiLanguageConst.Operation_Failed));
        }

        /// <summary>
        /// 根据审批结果更新申请单状态
        /// </summary>
        /// <param name="callback">回调信息</param>
        /// <returns></returns>
        public async Task<DataResult> UpdateStatusAsync(FlowCallback callback)
        {
            if (callback.AuditType != AuditType)
                return DataResult.Failed($"回调工作流类型：{callback.AuditType.GetDescription()} 与实例工作流类型：{AuditType.GetDescription()} 不一致");

            var app = await TenantDb.Queryable<TEntity>().Where(x => x.Id == callback.BusinessId)
                .Select(x => new TEntity
                {
                    Id = x.Id,
                    Status = x.Status
                }).FirstAsync();
            if (app == null)
            {
                await new ApplicationException($"未能获取ID={callback.BusinessId}的申请单，回调更新失败").LogAsync(Db);
                return DataResult.FailedWithDesc(nameof(MultiLanguageConst.EmptyData));
            }

            DateTime dtNow = DateTime.Now;
            app.AuditerId = long.Parse(User.UserId);
            app.AuditerName = User.UserName;
            app.AuditTime = dtNow;
            app.Reason = callback.RejectReason;

            await TenantDb.Ado.BeginTranAsync();
            try
            {
                await OnUpdateStatusAsync(callback, app);

                if (callback.FlowStatus == FlowStatusEnum.Reject)
                {
                    //await Db.Updateable(new FlowInstance
                    //{
                    //    Id = callback.InstanceId,
                    //    Deleted = true,
                    //    DeleteBy = 0,
                    //    DeleteTime = DateTime.Now
                    //}).UpdateColumns(x => new { x.Deleted, x.DeleteBy, x.DeleteTime }).ExecuteCommandAsync();
                }

                await TenantDb.Ado.CommitTranAsync();
                return DataResult.Success;
            }
            catch (Exception ex)
            {
                await TenantDb.Ado.RollbackTranAsync();
                await ex.LogAsync(Db);
                return DataResult.FailedWithDesc(nameof(MultiLanguageConst.Operation_Failed));
            }
        }

        /// <summary>
        /// 在审批完成时调用，用于更新申请单的审批状态
        /// </summary>
        /// <param name="callback">回调参数</param>
        /// <param name="application">申请单</param>
        /// <returns></returns>
        protected virtual async Task OnUpdateStatusAsync(FlowCallback callback, TEntity application)
        {
            await TenantDb.Updateable(application).UpdateColumns(x => new
            {
                x.Status,
                x.AuditerId,
                x.AuditerName,
                x.AuditTime,
                x.Reason
            }).ExecuteCommandAsync();
        }
    }
}