using System;
using System.Collections.Generic;
using System.Linq;

namespace BLL
{
    /// <summary>
    /// 安全巡检记录服务
    /// </summary>
    public static class SafetyPatrolService
    {
        /// <summary>
        /// 获取安全巡检记录列表
        /// </summary>
        /// <param name="projectId">项目主键</param>
        /// <returns></returns>
        public static List<Model.HSSE_SafetyPatrol> GetList(string projectId)
        {
            return Funs.DB.HSSE_SafetyPatrol.Where(x => x.ProjectId == projectId).ToList();
        }

        /// <summary>
        /// 根据主键获取安全巡检记录
        /// </summary>
        /// <param name="patrolId">主键</param>
        /// <returns></returns>
        public static Model.HSSE_SafetyPatrol GetById(string patrolId)
        {
            return Funs.DB.HSSE_SafetyPatrol.FirstOrDefault(x => x.PatrolId == patrolId);
        }

        /// <summary>
        /// 获取新编码（全局唯一，前缀 XJ-，三位递增序号，如 XJ-001）
        /// </summary>
        /// <returns></returns>
        public static string GetNewCode()
        {
            int max = 0;
            foreach (Model.HSSE_SafetyPatrol item in Funs.DB.HSSE_SafetyPatrol.ToList())
            {
                string code = item.Code;
                if (!string.IsNullOrEmpty(code) && code.StartsWith("XJ-"))
                {
                    int num = 0;
                    if (int.TryParse(code.Substring(3), out num) && num > max)
                    {
                        max = num;
                    }
                }
            }
            return string.Format("XJ-{0:D3}", max + 1);
        }

        /// <summary>
        /// 新增安全巡检记录
        /// </summary>
        /// <param name="item">实体</param>
        public static void Add(Model.HSSE_SafetyPatrol item)
        {
            Model.SGGLDB db = Funs.DB;
            ////编码为空时自动生成（全局唯一）
            string code = item.Code;
            if (string.IsNullOrEmpty(code))
            {
                code = GetNewCode();
            }
            Model.HSSE_SafetyPatrol newItem = new Model.HSSE_SafetyPatrol
            {
                PatrolId = item.PatrolId,
                Code = code,
                ProjectId = item.ProjectId,
                HazardProjectId = item.HazardProjectId,
                HazardProjectName = item.HazardProjectName,
                PatrolDate = item.PatrolDate,
                PatrolMan = item.PatrolMan,
                PatrolManId = item.PatrolManId,
                PatrolStatus = item.PatrolStatus,
                Content = item.Content,
                Problems = item.Problems,
                Receiver = item.Receiver,
                ReceiverId = item.ReceiverId,
                HandleRequire = item.HandleRequire,
                RectifyReview = item.RectifyReview,
                Remarks = item.Remarks
            };
            db.HSSE_SafetyPatrol.InsertOnSubmit(newItem);
            db.SubmitChanges();
        }

        /// <summary>
        /// 更新安全巡检记录
        /// </summary>
        /// <param name="item">实体</param>
        public static void Update(Model.HSSE_SafetyPatrol item)
        {
            Model.SGGLDB db = Funs.DB;
            Model.HSSE_SafetyPatrol newItem = db.HSSE_SafetyPatrol.FirstOrDefault(x => x.PatrolId == item.PatrolId);
            if (newItem != null)
            {
                newItem.HazardProjectId = item.HazardProjectId;
                newItem.HazardProjectName = item.HazardProjectName;
                newItem.PatrolDate = item.PatrolDate;
                newItem.PatrolMan = item.PatrolMan;
                newItem.PatrolManId = item.PatrolManId;
                newItem.PatrolStatus = item.PatrolStatus;
                newItem.Content = item.Content;
                newItem.Problems = item.Problems;
                newItem.Receiver = item.Receiver;
                newItem.ReceiverId = item.ReceiverId;
                newItem.HandleRequire = item.HandleRequire;
                newItem.RectifyReview = item.RectifyReview;
                newItem.Remarks = item.Remarks;
                db.SubmitChanges();
            }
            else
            {
                Add(item);
            }
        }

        /// <summary>
        /// 删除安全巡检记录
        /// </summary>
        /// <param name="patrolId">主键</param>
        public static void Delete(string patrolId)
        {
            Model.SGGLDB db = Funs.DB;
            Model.HSSE_SafetyPatrol item = db.HSSE_SafetyPatrol.FirstOrDefault(x => x.PatrolId == patrolId);
            if (item != null)
            {
                db.HSSE_SafetyPatrol.DeleteOnSubmit(item);
                db.SubmitChanges();
            }
        }
    }
}