namespace YLErp.Web.Models
{
    public class DepartmentViewModel
    {
        public static List<SelectListItem> GetDepartmentListByName(string depName)
        {
            var dep = DepartmentBLL.Departments.FirstOrDefault(d => d.Name == depName);
            if (dep == null)
            {
                return new List<SelectListItem>();
            }

            return GetDepartmentList(dep.Id);

        }

        static public List<SelectListItem> GetDepartmentList(int deptid)
        {
            var list = new List<SelectListItem>();

            Department root = null;
            if (deptid > 0)
            {
                root = (from o in DepartmentBLL.Departments where o.Id == deptid select o).First();
            }
            else
            {
                root = DepartmentBLL.Departments.First();
            }
            list_findchildren(list, root, 0, 0, false);
            return list;
        }

        static void list_findchildren(List<SelectListItem> list, Department parent, int level, int selectValue, bool withParent = true)
        {
            var pre = "";
            for (var i = 0; i < level; i++)
            {
                pre += "　";
            }

            if (withParent)
            {
                list.Add(new SelectListItem { Value = parent.Id.ToString(), Text = pre + parent.Name, Selected = (selectValue == parent.Id) });
            }

            DepartmentBLL.Departments.ForEach(o =>
            {
                if (o.PId == parent.Id)
                {
                    list_findchildren(list, o, level + 1, selectValue);
                }
            });
        }
    }
}