#region << 版 本 注 释 >>

/*--------------------------------------------------------------------
|* 版权所有 (c) 2026 WenJY 保留所有权利。
|* CLR版本：4.0.30319.42000
|* 机器名称：Mr.Wen's MacBook Pro
|* 命名空间：Sln.Wcs.Business
|* 唯一标识：7E8A9B2C-3D4F-5E6A-7B8C-9D0E1F2A3B4C
|*
|* 创建者：WenJY
|* 电子邮箱：
|* 创建时间：2026-05-15 15:30:00
|* 版本：V1.0.0
|* 描述：通用仓储任务业务处理类，支持入库/出库，包材/成品/托盘分类
|*
|*--------------------------------------------------------------------
|* 修改人：
|* 时间：
|* 修改说明：
|*
|* 版本：V1.0.0
|*--------------------------------------------------------------------*/

#endregion << 版 本 注 释 >>

using System.Linq.Expressions;
using Sln.Wcs.Business.Domain.Dto.CreateTask;
using Sln.Wcs.Business.Domain.Dto.FilterLocation;
using Sln.Wcs.Business.Domain.Dto.SaveTask;
using Sln.Wcs.Business.Domain.Dto.ValidateMaterial;
using Sln.Wcs.Business.Domain.Enum;
using Sln.Wcs.Business.Domain.Model.CreateTask;
using Sln.Wcs.Business.Domain.Model.FilterLocation;
using Sln.Wcs.Business.Domain.Model.SaveTask;
using Sln.Wcs.Business.Util;
using Sln.Wcs.Model.Domain;
using Sln.Wcs.Repository.service;

namespace Sln.Wcs.Business;

/// <summary>
/// 通用仓储任务业务处理类
/// 支持扩展点：子类可重写虚方法实现特定业务逻辑
/// </summary>
public class StoreTaskBusiness : EntityWrapper
{
    private readonly IBasePathInfoService _basePathInfoService;
    private readonly ILiveTaskQueueService _liveTaskQueueService;
    private readonly IBaseStoreInfoService _baseStoreInfoService;

    /// <summary>
    /// 构造函数
    /// </summary>
    /// <param name="basePathInfoService">路径服务</param>
    /// <param name="liveTaskQueueService">任务队列服务</param>
    /// <param name="baseStoreInfoService">仓库服务</param>
    public StoreTaskBusiness(
        IBasePathInfoService basePathInfoService,
        ILiveTaskQueueService liveTaskQueueService,
        IBaseStoreInfoService baseStoreInfoService)
    {
        _basePathInfoService = basePathInfoService;
        _liveTaskQueueService = liveTaskQueueService;
        _baseStoreInfoService = baseStoreInfoService;
    }

    #region 虚方法 - 供子类重写的扩展点

    /// <summary>
    /// 校验物料（可被子类重写）
    /// </summary>
    public virtual ValidateMaterialResultDto ValidateMaterial(ValidateMaterialDto validateMaterialDto)
    {
        throw new NotImplementedException();
    }

    /// <summary>
    /// 创建任务（可被子类重写）
    /// </summary>
    /// <param name="createTaskDto">创建任务参数（包含taskType和taskCategory）</param>
    public virtual CreateTaskResultDto CreateTask(CreateTaskDto createTaskDto)
    {
        CreateTaskResultDto resultDto = new CreateTaskResultDto();
        try
        {
            ValidateCreateTaskParams(createTaskDto);

            BasePathInfo pathInfo = GetPathInfo(createTaskDto);

            string taskCode = GenerateTaskCode();

            List<LiveTaskDetail> taskDetails = pathInfo.pathDetails
                .Select(item => LiveTaskDetailWrapper(taskCode, createTaskDto, item))
                .ToList();

            var taskQueue = LiveTaskQueueWrapper(taskCode, createTaskDto, pathInfo);
            taskQueue.taskSteps = taskDetails.Count;
            taskQueue.taskDetails = taskDetails;

            resultDto.code = Domain.Enum.BusinessStatusEnum.成功;
            resultDto.msg = $"{GetCategoryName(createTaskDto.taskCategory)}{GetTaskTypeName(createTaskDto.taskType)}任务创建成功:{taskCode};关联路径:{pathInfo.pathName}";
            resultDto.data = new CreateTaskResultModel()
            {
                taskCode = taskCode,
                taskQueue = taskQueue,
                taskDetails = taskDetails,
            };
        }
        catch (Exception e)
        {
            resultDto.code = Domain.Enum.BusinessStatusEnum.方法执行异常;
            resultDto.msg = e.Message;
        }
        return resultDto;
    }

    /// <summary>
    /// 筛选库位（可被子类重写）
    /// </summary>
    /// <param name="filterLocationDto">筛选库位参数（包含taskType和taskCategory）</param>
    public virtual FilterLocationResultDto FilterLocation(FilterLocationDto filterLocationDto)
    {
        FilterLocationResultDto resultDto = new FilterLocationResultDto();
        try
        {
            ValidateFilterLocationParams(filterLocationDto);

            int locationStatus = filterLocationDto.taskType == TaskTypeEnum.InStore ? 0 : 1;

            Expression<Func<BaseStoreInfo, bool>> storeWhere = GetStoreWhere(filterLocationDto.taskType, filterLocationDto.taskCategory);
            Expression<Func<BaseLocationInfo, bool>> locationWhere = GetLocationWhere(filterLocationDto, locationStatus);

            List<BaseStoreInfo> storeInfos = _baseStoreInfoService.GetBasePathInfo(storeWhere, locationWhere);

            BaseStoreInfo? storeInfo = storeInfos
                .Where(s => s.locationInfos.Count > 0)
                .OrderBy(x => x.storeCode)
                .FirstOrDefault() ?? throw new ArgumentNullException($"未获取到可用仓库");

            BaseLocationInfo? locationInfo = storeInfo.locationInfos
                .OrderBy(x => x.locationRows)
                .ThenBy(x => x.locationColumns)
                .ThenBy(x => x.locationLayers)
                .FirstOrDefault() ?? throw new ArgumentNullException($"目标仓库:{storeInfo.storeName}中未获取到可用库位");

            resultDto.code = Domain.Enum.BusinessStatusEnum.成功;
            resultDto.msg = "执行完成";
            resultDto.data = new FilterLocationResultModel()
            {
                storeInfo = storeInfo,
                locationInfos = storeInfo.locationInfos,
                locationInfo = locationInfo,
            };
        }
        catch (Exception e)
        {
            resultDto.code = Domain.Enum.BusinessStatusEnum.方法执行异常;
            resultDto.msg = e.Message;
        }
        return resultDto;
    }

    /// <summary>
    /// 保存任务（可被子类重写）
    /// </summary>
    /// <param name="saveTaskDto">保存任务参数</param>
    public virtual SaveTaskResultDto SaveTask(SaveTaskDto saveTaskDto)
    {
        SaveTaskResultDto resultDto = new SaveTaskResultDto();
        try
        {
            var inRes = _liveTaskQueueService.InsertTaskQueue(saveTaskDto.taskQueue);

            resultDto.code = Domain.Enum.BusinessStatusEnum.成功;
            resultDto.msg = "执行完成";
            resultDto.data = new SaveTaskResultModel()
            {
                isRes = inRes
            };
        }
        catch (Exception e)
        {
            resultDto.code = Domain.Enum.BusinessStatusEnum.方法执行异常;
            resultDto.msg = e.Message;
        }
        return resultDto;
    }

    #endregion

    #region 受保护虚方法 - 可被子类定制

    /// <summary>
    /// 校验创建任务参数（可被子类重写添加额外校验）
    /// </summary>
    protected virtual void ValidateCreateTaskParams(CreateTaskDto createTaskDto)
    {
        if (string.IsNullOrEmpty(createTaskDto.materialCode))
        {
            throw new InvalidOperationException($"物料编号不允许为 NULL");
        }

        if (string.IsNullOrEmpty(createTaskDto.palletBarcode))
        {
            throw new InvalidOperationException($"{GetCategoryName(createTaskDto.taskCategory)}条码不允许为 NULL");
        }

        if (string.IsNullOrEmpty(createTaskDto.startPoint) || string.IsNullOrEmpty(createTaskDto.endPoint))
        {
            throw new InvalidOperationException($"起始位置、终点位置不允许为 NULL");
        }
    }

    /// <summary>
    /// 校验筛选库位参数（可被子类重写添加额外校验）
    /// </summary>
    protected virtual void ValidateFilterLocationParams(FilterLocationDto filterLocationDto)
    {
        if (string.IsNullOrEmpty(filterLocationDto.materialCode))
        {
            throw new InvalidOperationException($"物料编号不允许为 NULL");
        }
    }

    /// <summary>
    /// 获取路径信息（可被子类重写定制路径查询逻辑）
    /// </summary>
    protected virtual BasePathInfo GetPathInfo(CreateTaskDto createTaskDto)
    {
        Expression<Func<BasePathInfo, bool>> exp = x =>
            x.startPoint == createTaskDto.startPoint &&
            x.endPoint == createTaskDto.endPoint &&
            x.pathType == (int)createTaskDto.taskType &&
            x.pathCategory == (int)createTaskDto.taskCategory;

        return _basePathInfoService.GetBasePathInfo(exp)
            .FirstOrDefault() ?? throw new InvalidOperationException($"{GetCategoryName(createTaskDto.taskCategory)}{GetTaskTypeName(createTaskDto.taskType)}输送路径为 NULL");
    }

    /// <summary>
    /// 生成任务编号（可被子类重写定制生成规则）
    /// </summary>
    protected virtual string GenerateTaskCode()
    {
        return DateTime.Now.ToString("yyyyMMddHHmmss") + new Random().Next(10, 99);
    }

    /// <summary>
    /// 获取仓库查询条件（可被子类重写）
    /// </summary>
    protected virtual Expression<Func<BaseStoreInfo, bool>> GetStoreWhere(TaskTypeEnum taskType, TaskCategoryEnum taskCategory)
    {
        return x => x.storeType == (int)taskCategory && x.isFlag == 1;
    }

    /// <summary>
    /// 获取库位查询条件（可被子类重写）
    /// </summary>
    protected virtual Expression<Func<BaseLocationInfo, bool>> GetLocationWhere(FilterLocationDto filterLocationDto, int locationStatus)
    {
        return x => x.materialCode == filterLocationDto.materialCode &&
                    x.locationStatus == locationStatus &&
                    x.isFlag == 1;
    }

    #endregion

    /// <summary>
    /// 获取分类名称
    /// </summary>
    private string GetCategoryName(TaskCategoryEnum taskCategory)
    {
        return taskCategory switch
        {
            TaskCategoryEnum.Material => "包材",
            TaskCategoryEnum.Product => "成品",
            TaskCategoryEnum.Pallet => "托盘",
            _ => "未知"
        };
    }

    /// <summary>
    /// 获取任务类型名称
    /// </summary>
    private string GetTaskTypeName(TaskTypeEnum taskType)
    {
        return taskType switch
        {
            TaskTypeEnum.InStore => "入库",
            TaskTypeEnum.OutStore => "出库",
            _ => "未知"
        };
    }
}