using Ewide.Core;
using Furion.DependencyInjection;
using RoadFlow.Model.FlowRunModel;
using RoadFlow.Utility;
using System;
using System.Collections.Generic;
using System.Data;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace RoadFlow.Data
{
    public class FlowEntrust : RoadFlowRepository<RoadFlow.Model.rf_flowentrust>, IFlowEntrust, ITransient
    {
        

        /// <summary>
        /// 查询一页数据
        /// </summary>
        /// <returns></returns>
        public List<RoadFlow.Model.rf_flowentrust> GetPagerList(out int count, int size, int number, string userId, string date1, string date2, string order)
        {
            int total = 0;
            var list = this.db.Queryable<RoadFlow.Model.rf_flowentrust>()
                .WhereIF(userId.IsGuid(), x => x.UserId == userId)
                .WhereIF(date1.IsDateTime(), x => x.StartTime >= DateTime.Parse(date1))
                .WhereIF(date2.IsDateTime(), x => x.EndTime <= DateTime.Parse(date2))
                .OrderByIF(!order.IsNullOrEmpty(), order)
                .ToPageList(number, size,ref total);
            count = total;
            
            return list;
        }

        /// <summary>
        /// 得到一个人员一个流程的委托人员（如果没有则返回string.Empty）
        /// </summary>
        /// <param name="flowId">流程ID</param>
        /// <param name="user">人员实体</param>
        /// <returns>如果没有委托则返回string.Empty</returns>
        public string GetEntrustUserId(string flowId, SysUser user)
        {
            var all = GetAll();
            DateTime now = Utility.DateExtensions.Now;
            var entrust = all.Find(p => p.UserId == user.Id && (!p.FlowId.IsNullOrWhiteSpace() || p.FlowId == flowId) &&
            p.StartTime <= now && p.EndTime >= now);
            return null == entrust ? string.Empty : entrust.ToUserId;
        }

    }
}