using IWareDataAccess.EF;
using IWareDataAccess.Entity.Sys;
using IWareDataAccess.Helper;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace IWareDataAccess.Sys.DEPT
{
    public static class DeptSqlFunc
    {
        /// <summary>
        /// 搜索表
        /// </summary>
        /// <param name="keyValue"></param>
        /// <param name="page"></param>
        /// <returns></returns>
        public static List<SYS_DEPT> Search(DeptWebEntity webEntity,int page,int onePageNum,out string msg)
        {
            msg = "";
            using (Model edm = new Model())
            {
                var f = PredicateBuilder.True<SYS_DEPT>();
                //便利所有属性
                Type type = webEntity.GetType();
                foreach (var i in type.GetProperties())
                {
                    object v = Helper.Helper.GetFieldValueByName(webEntity, i.Name);
                    if (i.PropertyType == typeof(String))
                    {
                        string value;
                        if (v != null)
                        {
                            value = v.ToString();
                            f = f.And(x => Helper.Helper.GetFieldValueByName(x, i.Name) != null ? Helper.Helper.GetFieldValueByName(x, i.Name).ToString().Contains(value) : false);
                        }
                    }
                    else if (i.PropertyType == typeof(DateTime?))
                    {
                        if (v != null)
                        {
                            DateTime value = DateTime.Parse(v.ToString());
                            if (i.Name == "updateTimeStart")
                            {
                                f = f.And(x => x.UPDATETIME > value);
                            }
                            if (i.Name == "updateTimeEnd")
                            {
                                f = f.And(x => x.UPDATETIME < value);
                            }
                        }
                    }
                    else
                    {
                        if (v != null)
                        {
                            f = f.And(x => Object.Equals(Helper.Helper.GetFieldValueByName(x, i.Name), v));
                        }
                    }
                }

                List<SYS_DEPT> list = edm.SYS_DEPT.Where(f.Compile()).Skip((page - 1) * onePageNum).Take(onePageNum).ToList();

                return list;
            }
        }

        /// <summary>
        /// 搜索（视图）
        /// </summary>
        /// <param name="keyValue"></param>
        /// <param name="page"></param>
        /// <returns></returns>
        public static List<View_SYS_DEPT> SearchView(DeptWebEntity webEntity, int page, int onePageNum, out string msg)
        {
            msg = "";
            using (Model edm = new Model())
            {
                var f = PredicateBuilder.True<View_SYS_DEPT>();

                //便利所有属性
                Type type = webEntity.GetType();
                foreach (var i in type.GetProperties())
                {
                    object v = Helper.Helper.GetFieldValueByName(webEntity, i.Name);
                    if (i.PropertyType == typeof(String))
                    {
                        string value;
                        if (v != null)
                        {
                            value = v.ToString();
                            f = f.And(x => Helper.Helper.GetFieldValueByName(x, i.Name) != null ? Helper.Helper.GetFieldValueByName(x, i.Name).ToString().Contains(value) : false);
                        }
                    }
                    else if (i.PropertyType == typeof(DateTime?))
                    {
                        if (v != null)
                        {
                            DateTime value = DateTime.Parse(v.ToString());
                            if (i.Name == "updateTimeStart")
                            {
                                f = f.And(x => x.updateTime > value);
                            }
                            if (i.Name == "updateTimeEnd")
                            {
                                f = f.And(x => x.updateTime < value);
                            }
                        }
                    }
                    else
                    {
                        if (v != null)
                        {
                            f = f.And(x => Object.Equals(Helper.Helper.GetFieldValueByName(x, i.Name), v));
                        }
                    }
                }

                List<View_SYS_DEPT> list = edm.View_SYS_DEPT.Where(f.Compile()).Skip((page - 1) * onePageNum).Take(onePageNum).ToList();

                return list;
            }
        }

        /// <summary>
        /// 搜索（视图）
        /// </summary>
        /// <param name="keyValue"></param>
        /// <param name="page"></param>
        /// <returns></returns>
        public static int SearchViewNum(DeptWebEntity webEntity)
        {
            using (Model edm = new Model())
            {
                var f = PredicateBuilder.True<View_SYS_DEPT>();


                //便利所有属性
                Type type = webEntity.GetType();
                foreach (var i in type.GetProperties())
                {
                    object v = Helper.Helper.GetFieldValueByName(webEntity, i.Name);
                    if (i.PropertyType == typeof(String))
                    {
                        string value;
                        if (v != null)
                        {
                            value = v.ToString();
                            f = f.And(x => Helper.Helper.GetFieldValueByName(x, i.Name) != null ? Helper.Helper.GetFieldValueByName(x, i.Name).ToString().Contains(value) : false);
                        }
                    }
                    else if (i.PropertyType == typeof(DateTime?))
                    {
                        if (v != null)
                        {
                            DateTime value = DateTime.Parse(v.ToString());
                            if (i.Name == "updateTimeStart")
                            {
                                f = f.And(x => x.updateTime > value);
                            }
                            if (i.Name == "updateTimeEnd")
                            {
                                f = f.And(x => x.updateTime < value);
                            }
                        }
                    }
                    else
                    {
                        if (v != null)
                        {
                            f = f.And(x => Object.Equals(Helper.Helper.GetFieldValueByName(x, i.Name), v));
                        }
                    }
                }


                int num = edm.View_SYS_DEPT.Where(f.Compile()).Count();

                return num;
            }
        }

        /// <summary>
        /// 添加部门
        /// </summary>
        /// <param name="role"></param>
        /// <returns></returns>
        public static bool AddOrUpdate(DeptWebEntity webDept, out string msg)
        {
            msg = "";
            using (Model edm = new Model())
            {
                //查询是否已存在此权限
                SYS_DEPT dept = edm.SYS_DEPT.FirstOrDefault(x => x.DEPTNAME == webDept.deptName);
                if (dept == null)
                {
                    //无此部门，属于新建
                    dept = new SYS_DEPT();
                }

                dept.DEPTNAME = webDept.deptName ?? dept.DEPTNAME;
                dept.DEPTDES = webDept.deptDes?? dept.DEPTDES;
                dept.ENABLE = webDept.enable ?? dept.ENABLE;

                dept.UPDATETIME = DateTime.Now;
                edm.SYS_DEPT.AddOrUpdateExtension(dept);
                if (edm.SaveChanges() > 0)
                {
                    return true;
                }
                else
                {
                    msg = "修改失败";
                    return false;
                }
            }
        }

        /// <summary>
        /// 删除部门
        /// </summary>
        /// <param name="webUser"></param>
        /// <returns></returns>
        public static bool Delete(DeptWebEntity webDept,out string msg)
        {
            msg = "";
            using (Model edm = new Model())
            {
                //查询是否已存在此权限
                SYS_DEPT dept = edm.SYS_DEPT.FirstOrDefault(x => x.DEPTNAME == webDept.deptName);
                if (dept == null)
                {
                    //无此角色
                    msg = "无此部门";
                    return false;
                }
                else
                {
                    return DeleteDeptRelevance(dept);
                }
            }
        }


        /// <summary>
        /// 关联删除
        /// </summary>
        /// <param name="user"></param>
        /// <returns></returns>
        public static bool DeleteDeptRelevance(SYS_DEPT dept)
        {
            using (Model edm = new Model())
            {
                //因已释放连接，故重新指向数据库对象进行索引
                SYS_DEPT deptDelete = edm.SYS_DEPT.FirstOrDefault(x => x.DEPTNAME == dept.DEPTNAME);
                deptDelete.ENABLE = 0;
                if (edm.SaveChanges() > 0)
                {
                    return true;
                }
                else
                {
                    return false;
                }
            }
        }
    }
}