using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using EMIS.ViewModel.SystemView;
using Bowin.Common.Linq.Entity;
using System.Linq.Expressions;
using EMIS.Entities;
using EMIS.ViewModel.WorkflowManage;

namespace EMIS.CommonLogic.SystemServices
{
    public interface IWorkflowServices
    {
        /// <summary>
        /// 查询对应的接入流程表开始流程环节的Pid（对应的流程环节Pid）
        /// </summary>
        /// <param name="tableName"></param>
        /// <returns></returns>
        int? GetStartStatus(string tableName);

        /// <summary>
        /// 查询对应的接入流程表已退回流程环节Pid（注：不包含开始环节、结束环节且为[BP]标识）
        /// </summary>
        /// <param name="tableName"></param>
        /// <returns></returns>
        int? GetSendBackStatus(string tableName);

        /// <summary>
        /// 查询对应的接入流程表已通过流程环节Pid（注：不包含开始环节、结束环节且为[PASS]标识）
        /// </summary>
        /// <param name="tableName"></param>
        /// <returns></returns>
        int? GetPassNoEndStatus(string tableName);

        /// <summary>
        /// 查询对应的结束流程环节Pid
        /// </summary>
        /// <param name="tableName"></param>
        /// <returns></returns>
        List<int?> GetEndStatus(string tableName);

        /// <summary>
        /// 查询对应的接入流程表结束流程环节且正常结束的流程环节Pid（注：结束环节且不为[BP]标识的）
        /// </summary>
        /// <param name="tableName"></param>
        /// <returns></returns>
        int? GetCorrectEndStatus(string tableName);

        /// <summary>
        /// 查询对应的接入流程表非正常结束的流程环节Pid（注：通常为结束环节且为[BP]标识的）
        /// </summary>
        /// <param name="tableName"></param>
        /// <returns></returns>
        List<int?> GetBackpointStatus(string tableName);

        /// <summary>
        /// 查询对应的接入流程表中开始环节、审核流程环节Pid（注：不包含结束、非正常[BP]结束环节）
        /// </summary>
        /// <param name="tableName"></param>
        /// <returns></returns>
        List<int?> GetStartApproveStatusList(string tableName);

        /// <summary>
        /// 查询对应的接入流程表中全部流程环节信息（WorkflowStatusView）
        /// </summary>
        /// <param name="tableName">主表表名</param>
        /// <returns></returns>
        List<WorkflowStatusView> GetStatusViewList(string tableName);

        /// <summary>
        /// 查询对应的接入流程表中审核流程环节信息（WorkflowStatusView，不包含开始、结束、非正常[BP]结束环节）
        /// </summary>
        /// <param name="tableName">主表表名</param>
        /// <returns></returns>
        List<WorkflowStatusView> GetApproveStatusViewList(string tableName);

        /// <summary>
        /// 查询重录待审，重新录入环节Pid(用于期末设定学生名单背景颜色)
        /// </summary>
        /// <param name="tableName"></param>
        /// <returns></returns>
        List<int?> GetRebutStatus(string tableName);

        /// <summary>
        /// 查询对应的接入流程表中全部非开始流程环节信息（WorkflowStatusView，不包含开始环节）
        /// </summary>
        /// <param name="tableName">主表表名</param>
        /// <returns></returns>
        List<WorkflowStatusView> GetNoStartStatusViewList(string tableName);

        /// <summary>
        /// 查询对应的接入流程表中全部结束流程环节信息
        /// </summary>
        /// <param name="tableName"></param>
        /// <returns></returns>
        List<WorkflowStatusView> GetEndStatusViewList(string tableName);

        /// <summary>
        /// 查询工作流程中是否有对应的操作权限——动作（根据对应的信息-处理人、处理人标识）
        /// </summary>
        /// <param name="tableName">主表表名</param>
        /// <param name="userID">用户ID</param>
        /// <param name="actionID">审核动作ID（路由ID）</param>
        /// <param name="formIDs">表单ID列表</param>
        /// <param name="dataRangeUserFunc">获取数据范围用户的方法</param>
        /// <returns></returns>
        bool IsCanApprove(string tableName, Guid userID, Guid actionID, List<Guid> formIDs, Func<List<Guid>, Guid, bool> dataRangeUserFunc = null);

        /// <summary>
        /// 查询工作流程中是否有对应的操作权限——动作（根据对应的信息-处理人、处理人标识）
        /// </summary>
        /// <param name="tableName">主表表名</param>
        /// <param name="userID">用户ID</param>
        /// <param name="actionID">审核动作ID（路由ID）</param>
        /// <param name="formIDs">表单ID列表</param>
        /// <param name="dataRangeUserFunc">获取数据范围用户的方法</param>
        /// <returns></returns>
        List<WorkflowPermissionView> IsCanApprove(string tableName, Guid userID, List<Guid> formIDs);

        /// <summary>
        /// 重载方法，启动对应的流程并执行指定的动作至下一环节（提交），适用于开始节点有两个以上动作时
        /// </summary>
        /// <param name="tableName">主表表名</param>
        /// <param name="formID">需要提交的记录主键ID</param>
        /// <param name="userID">提交人ID</param>
        /// <param name="userID">动作ID</param>
        /// <param name="comment">提交意见</param>
        /// <param name="dataRangeUserFunc">获取数据范围用户的方法</param>
        void StartUp(string tableName, Guid formID, Guid userID, Guid actionID, string comment = "", Func<List<Guid>, Guid, bool> dataRangeUserFunc = null);

        /// <summary>
        /// 启动对应的流程并执行指定的动作至下一环节（提交）
        /// </summary>
        /// <param name="tableName">主表表名</param>
        /// <param name="formID">需要提交的记录主键ID</param>
        /// <param name="userID">提交人ID</param>
        /// <param name="comment">提交意见</param>
        /// <param name="dataRangeUserFunc">获取数据范围用户的方法</param>
        void StartUp(string tableName, Guid formID, Guid userID, string comment = "", Func<List<Guid>, Guid, bool> dataRangeUserFunc = null);

        /// <summary>
        /// 
        /// </summary>
        /// <param name="tableName"></param>
        /// <param name="formIDList"></param>
        /// <param name="userID"></param>
        /// <param name="comment"></param>
        /// <param name="dataRangeUserFunc"></param>
        void BatchStartUp(string tableName, List<Guid> formIDList, Guid userID, string comment, Func<List<Guid>, Guid, bool> dataRangeUserFunc = null);

        /// <summary>
        /// 审核流程（不包括提交——不包含流程启动）
        /// </summary>
        /// <param name="tableName">主表表名</param>
        /// <param name="formID">需要审核的记录主键ID</param>
        /// <param name="userID">审核人ID</param>
        /// <param name="actionID">审核动作ID</param>
        /// <param name="comment">提交意见</param>
        /// <param name="dataRangeUserFunc">获取数据范围用户的方法</param>
        void Approve(string tableName, Guid formID, Guid userID, Guid actionID, string comment = "", Func<List<Guid>, Guid, bool> dataRangeUserFunc = null);

        /// <summary>
        /// 
        /// </summary>
        /// <param name="tableName"></param>
        /// <param name="formIDList"></param>
        /// <param name="userID"></param>
        /// <param name="actionID"></param>
        /// <param name="comment"></param>
        /// <param name="dataRangeUserFunc"></param>
        void BatchApprove(string tableName, List<Guid> formIDList, Guid userID, Guid actionID, string comment = "", Func<List<Guid>, Guid, bool> dataRangeUserFunc = null);

        /// <summary>
        /// 工作流流程状态修改（通常用于取消申请、撤销等环节）
        /// </summary>
        /// <param name="tableName">主表表名</param>
        /// <param name="formID">表单ID</param>
        /// <param name="status">状态：A为活动，D为结束、其他的自己定义</param>
        /// <param name="description">描述改变内容</param>
        void ModifyProcessState(string tableName, Guid formID, string status, string description);

        /// <summary>
        /// 根据当前流程环节ID获取下一步审批动作
        /// </summary>
        /// <param name="tableName">主表表名</param>
        /// <param name="formID">表单ID</param>
        /// <param name="userID">当前用户ID</param>
        /// <returns></returns>
        List<ActionView> GetActionView(string tableName, Guid formID, Guid userID);

        /// <summary>
        /// 重载方法，根据当前流程环节ID获取全部审批动作
        /// </summary>
        /// <param name="tableName">主表表名</param>
        /// <returns></returns>
        List<ActionView> GetActionView(string tableName);

        /// <summary>
        /// 查询开始流程环节的动作列表List
        /// </summary>
        /// <param name="tableName">主表表名</param>
        /// <returns></returns>
        List<ActionView> GetStartActionView(string tableName);

        /// <summary>
        /// 查询对应的审核历史信息列表List（WorkflowApproveHistoryView）
        /// </summary>
        /// <param name="tableName">主表表名</param>
        /// <param name="formID">需要获取的记录主键ID</param>
        /// <returns></returns>
        IList<ViewModel.SystemView.WorkflowApproveHistoryView> GetApproveHistoryViewList(string tableName, Guid formID);

        /// <summary>
        /// 获取待办列表
        /// </summary>
        /// <typeparam name="T"></typeparam>
        /// <param name="tableName">主表表名</param>
        /// <param name="query">查询视图，指定一个IQueryable决定如何获取表单记录</param>
        /// <param name="userID">待办用户ID</param>
        /// <param name="pkSelector">指定主键列</param>
        /// <param name="pageIndex">页码</param>
        /// <param name="pageSize">每页行数</param>
        /// <returns></returns>
        IGridResultSet<T> QueryByPendingJob<T, TOrder>(string tableName, IQueryable<T> query, Guid userID,
            Expression<Func<T, Guid>> pkSelector, Expression<Func<T, TOrder>> orderby, bool isDescending = false, 
            int? pageIndex = null, int? pageSize = null);

    }
}