using Autofac;
using Newtonsoft.Json;
using System.Diagnostics.CodeAnalysis;
using WIDESEA_Core;
using WIDESEAWCS_Common.HttpEnum;
using WIDESEAWCS_Common.TaskEnum;
using WIDESEAWCS_Core;
using WIDESEAWCS_Core.BaseRepository;
using WIDESEAWCS_Core.Enums;
using WIDESEAWCS_Core.Helper;
using WIDESEAWCS_DTO;
using WIDESEAWCS_DTO.Stock;
using WIDESEAWCS_DTO.TaskInfo;
using WIDESEAWCS_ITaskInfoService;
using WIDESEAWCS_Model.Models;
using WIDESEAWCS_QuartzJob.Models;
using WIDESEAWCS_QuartzJob.Service;

namespace WIDESEAWCS_TaskInfoService.Flows
{
    /// <summary>
    /// 出库任务流程服务。
    /// 负责出库任务接收初始化、状态推进及堆垛机完成处理。
    /// </summary>
    public class OutboundTaskFlowService : IOutboundTaskFlowService
    {
        private readonly IRouterService _routerService;
        private readonly HttpClientHelper _httpClientHelper;
        private readonly IRobotTaskService _robotTaskService;
        private readonly IComponentContext _componentContext;
        private readonly IUnitOfWorkManage _unitOfWorkManage;

        /// <summary>
        /// 初始化出库任务流程服务。
        /// </summary>
        /// <param name="routerService">路由服务。</param>
        /// <param name="httpClientHelper">WMS接口调用帮助类。</param>
        /// <param name="robotTaskService">机械手任务服务。</param>
        /// <param name="componentContext">Autofac组件上下文（用于延迟解析ITaskService以避免循环依赖）。</param>
        public OutboundTaskFlowService(IRouterService routerService, HttpClientHelper httpClientHelper, IRobotTaskService robotTaskService, IComponentContext componentContext, IUnitOfWorkManage unitOfWorkManage)
        {
            _routerService = routerService;
            _httpClientHelper = httpClientHelper;
            _robotTaskService = robotTaskService;
            _componentContext = componentContext;
            _unitOfWorkManage = unitOfWorkManage;
        }

        /// <summary>
        /// 延迟解析ITaskService以避免循环依赖
        /// </summary>
        private ITaskService TaskService => _componentContext.Resolve<ITaskService>();

        /// <summary>
        /// 接收WMS任务时初始化出库任务。
        /// </summary>
        /// <param name="task">任务实体。</param>
        /// <param name="source">WMS任务原始数据。</param>
        public void InitializeOnReceive([NotNull] Dt_Task task, [NotNull] WMSTaskDTO source)
        {
            int taskType = task.TaskType == (int)TaskOutboundTypeEnum.OutEmpty ? 100 : task.TaskType;
            Dt_Router router = _routerService.QueryNextRoute(source.Roadway, source.TargetAddress, taskType);
            if (router == null)
            {
                return;
            }

            task.TaskStatus = (int)TaskOutStatusEnum.OutNew;
            task.CurrentAddress = source.SourceAddress;
            task.NextAddress = router.ChildPosi;
        }

        /// <summary>
        /// 推进出库任务状态，并在关键状态调用WMS接口。
        /// </summary>
        /// <param name="task">任务实体。</param>
        /// <returns>推进结果。</returns>
        public WebResponseContent MoveToNextStatus([NotNull] Dt_Task task)
        {
            if (task.TaskStatus >= (int)TaskOutStatusEnum.OutFinish)
                return WebResponseContent.Instance.Error($"该任务状态不可跳转到下一步,任务号:【{task.TaskNum}】,任务状态:【{task.TaskStatus}】");

            task.TaskStatus = task.TaskStatus.GetNextNotCompletedStatus<TaskOutStatusEnum>();
            if (task.TaskStatus <= 0)
                return WebResponseContent.Instance.Error($"该任务状态不可跳转到下一步,任务号:【{task.TaskNum}】,任务状态:【{task.TaskStatus}】");

            if (task.TaskStatus == (int)TaskOutStatusEnum.Line_OutFinish && task.TaskType == (int)TaskOutboundTypeEnum.Outbound)
            {
                return GetWMSOutboundTrayTask(task);
            }

            if (task.TaskStatus == (int)TaskOutStatusEnum.Line_OutFinish && task.TaskType == (int)TaskOutboundTypeEnum.OutEmpty)
            {
                WebResponseContent content = _robotTaskService.GetWMSRobotTask(task);
                if (!content.Status)
                {
                    return content;
                }
                return OutboundFinishTaskTray(task);
            }

            if (task.TaskStatus == (int)TaskOutStatusEnum.Line_OutExecuting)
            {
                return WebResponseContent.Instance.OK();
            }

            return UpdateWMSTaskStatus(task);
        }

        /// <summary>
        /// 处理堆垛机出库完成动作。
        /// </summary>
        /// <param name="task">任务实体。</param>
        /// <returns>处理结果。</returns>
        public WebResponseContent CompleteStackerTask([NotNull] Dt_Task task)
        {
            WebResponseContent content = new WebResponseContent();
            if (task.TaskStatus != (int)TaskOutStatusEnum.SC_OutExecuting)
            {
                return WebResponseContent.Instance.OK();
            }

            int taskType = task.TaskType == (int)TaskOutboundTypeEnum.OutEmpty ? 100 : task.TaskType;
            Dt_Router router = _routerService.QueryNextRoute(task.NextAddress, task.TargetAddress, taskType);
            if (router == null)
            {
                return WebResponseContent.Instance.Error("未找到设备路由信息");
            }

            int nextStatus = task.TaskStatus.GetNextNotCompletedStatus<TaskOutStatusEnum>();
            task.TaskStatus = nextStatus;
            task.CurrentAddress = task.NextAddress;
            task.NextAddress = router.ChildPosi;
            task.ModifyDate = DateTime.Now;
            task.Modifier = "System";

            // 通知WMS出库完成并获取返回结果
            var result = _httpClientHelper.Post<WebResponseContent>(
                nameof(ConfigKey.OutboundFinishTaskAsync),
                new StockInfoDTO { PalletCode = task.PalletCode, TaskNum = task.TaskNum }.ToJson());

            if (!result.IsSuccess || !result.Data.Status)
            {
                return content.Error($"通知WMS系统堆垛机出库完成失败,任务号:【{task.TaskNum}】,托盘号:【{task.PalletCode}】,错误信息:【{result.Data?.Message}】");
            }

            // 处理WMS返回的入库任务（如果有）
            if (result.Data?.Data != null)
            {
                var inboundTaskJson = result.Data.Data.ToString();
                var inboundTaskDto = JsonConvert.DeserializeObject<WMSTaskDTO>(inboundTaskJson);

                if (inboundTaskDto != null)
                {
                    _unitOfWorkManage.BeginTran(() =>
                    {
                        // 先删除本地出库任务，避免托盘号唯一键冲突
                        bool isDeleted = TaskService.Repository.DeleteAndMoveIntoHty(task, OperateTypeEnum.自动完成);
                        if (!isDeleted)
                        {
                            return content.Error($"删除本地出库任务失败,任务号:【{task.TaskNum}】,托盘号:【{task.PalletCode}】");
                        }

                        // 调用ReceiveWMSTask创建本地入库任务
                        var receiveResult = TaskService.ReceiveWMSTask(new List<WMSTaskDTO> { inboundTaskDto });
                        if (!receiveResult.Status)
                        {
                            return content.Error($"创建本地入库任务失败: {receiveResult.Message}");
                        }
                        return content.OK("创建本地入库任务成功");
                    });
                }
            }

            return content.OK($"通知WMS系统堆垛机出库完成成功,任务号:【{task.TaskNum}】,托盘号:【{task.PalletCode}】");
        }

        /// <summary>
        /// 通知WMS出库完成。
        /// </summary>
        /// <param name="task">任务实体。</param>
        /// <returns>通知结果。</returns>
        private WebResponseContent NotifyWMSOutboundFinish(Dt_Task task)
        {
            var result = _httpClientHelper.Post<WebResponseContent>(
                nameof(ConfigKey.OutboundFinishTaskAsync),
                new StockInfoDTO { PalletCode = task.PalletCode, TaskNum = task.TaskNum }.ToJson());

            if (!result.IsSuccess || !result.Data.Status)
                return WebResponseContent.Instance.Error($"通知WMS系统堆垛机出库完成失败,任务号:【{task.TaskNum}】,托盘号:【{task.PalletCode}】,错误信息:【{result.Data?.Message}】");

            return WebResponseContent.Instance.OK();
        }

        /// <summary>
        /// 从WMS获取空托盘出库任务。
        /// </summary>
        /// <param name="task">任务实体。</param>
        /// <returns>调用结果，成功时Data中包含一个WMSTaskDTO集合。</returns>
        private WebResponseContent GetWMSOutboundTrayTask(Dt_Task task)
        {
            int warehouseId = _robotTaskService.MapWarehouseIdConfigKey(task.TargetAddress);
            string sourceLineNo = _robotTaskService.ResolveRobotRuleValue(task.TargetAddress, "AddressSourceLineNoMap", task.TargetAddress);

            var result = _httpClientHelper.Post<WebResponseContent>(
                nameof(ConfigKey.GetOutBoundTrayTaskAsync),
                new CreateTaskDto { WarehouseId = warehouseId, TargetAddress = sourceLineNo }.ToJson());

            if (!result.IsSuccess || !result.Data.Status)
                return WebResponseContent.Instance.Error($"获取WMS系统空托盘出库任务失败,任务号:【{task.TaskNum}】,托盘号:【{task.PalletCode}】,错误信息:【{result.Data?.Message}】");

            WMSTaskDTO? wMSTask = JsonConvert.DeserializeObject<WMSTaskDTO>(result.Data.Data?.ToString() ?? string.Empty);
            if (wMSTask == null)
                return WebResponseContent.Instance.Error($"获取WMS系统空托盘出库任务失败,任务号:【{task.TaskNum}】,托盘号:【{task.PalletCode}】,错误信息:【WMS未返回有效任务数据】");

            return WebResponseContent.Instance.OK("成功", new List<WMSTaskDTO> { wMSTask });
        }

        /// <summary>
        /// 将任务状态同步到WMS。
        /// </summary>
        /// <param name="task">任务实体。</param>
        /// <returns>同步结果。</returns>
        private WebResponseContent UpdateWMSTaskStatus(Dt_Task task)
        {
            var result = _httpClientHelper.Post<WebResponseContent>(
                nameof(ConfigKey.UpdateTaskByStatus),
                new UpdateTaskDto { Id = task.TaskNum, NewStatus = task.TaskStatus, NextAddress = task.NextAddress, CurrentAddress = task.CurrentAddress }.ToJson());

            if (!result.IsSuccess || !result.Data.Status)
                return WebResponseContent.Instance.Error($"调用WMS接口更新任务状态失败,任务号:【{task.TaskNum}】,错误信息:【{result.Data?.Message}】");

            return WebResponseContent.Instance.OK();
        }

        /// <summary>
        /// 空托盘出库完成同步到WMS。
        /// </summary>
        /// <param name="task">任务实体。</param>
        /// <returns>同步结果。</returns>
        private WebResponseContent OutboundFinishTaskTray(Dt_Task task)
        {
            var result = _httpClientHelper.Post<WebResponseContent>(
                nameof(ConfigKey.OutboundFinishTaskTray),
                new CreateTaskDto { PalletCode = task.PalletCode, SourceAddress = task.SourceAddress }.ToJson());

            if (!result.IsSuccess || !result.Data.Status)
                return WebResponseContent.Instance.Error($"调用WMS接口更新任务状态失败,任务号:【{task.TaskNum}】,错误信息:【{result.Data?.Message}】");

            return WebResponseContent.Instance.OK();
        }
    }
}