using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;

namespace MenuTool
{
    public partial class Form1 : Form
    {
        List<SysMenu> ListMenu = null;
        SysMenu CurrentMenu = null;
        bool IsDeleteMenu = false;

        public Form1()
        {
            InitializeComponent();
        }

        private void Form1_Load(object sender, EventArgs e)
        {
            ReadMenu();
        }

        #region 读取菜单
        public void ReadMenu()
        {
            ListMenu = StaticModel.GetListMenu();
            List<SysMenu> list = GetListMenu(0);
            treeView1.Nodes.Clear();
            foreach (var item in list)
            {
                TreeNode node = new TreeNode();
                node.Text = item.ModuleName;
                node.Tag = item;
                if (item.IsUse == 1) { node.Checked = true; }
                else { node.Checked = false; }
                treeView1.Nodes.Add(node);
                BindChildTreeView(node, item.ModuleNo);
            }
        }
        #endregion
        #region 绑定树节点
        public void BindChildTreeView(TreeNode ParentNode, int ParentModuleNo)
        {
            List<SysMenu> list = GetListMenu(ParentModuleNo);
            foreach (var item in list)
            {
                TreeNode node = new TreeNode();
                node.Text = item.ModuleName;
                node.Tag = item;
                if (item.IsUse == 1) { node.Checked = true; }
                else { node.Checked = false; }
                ParentNode.Nodes.Add(node);
                BindChildTreeView(node, item.ModuleNo);
            }
        }
        #endregion
        #region 读取子菜单
        public List<SysMenu> GetListMenu(int ParentModuleNo)
        {
            if (ListMenu == null) return new List<SysMenu>();
            var query = from item in ListMenu
                        where item.ParentModuleNo == ParentModuleNo
                        orderby item.SortNo
                        select item;
            List<SysMenu> list = query.ToList<SysMenu>();
            //int index = 11;
            //foreach (var item in list)
            //{
            //    item.SortNo = index.ToString();
            //    index++;
            //}
            return list;
        }
        #endregion
        #region 保存选择菜单
        void SaveTreeView()
        {
            foreach (TreeNode item in treeView1.Nodes)
            {
                SysMenu model = (SysMenu)item.Tag;
                if (item.Checked == true) { model.IsUse = 1; }
                else { model.IsUse = 0; }
                StaticModel.ChangeMenuState(model.id, model.IsUse);
                SaveTreeNode(item);
            }
        }
        void SaveTreeNode(TreeNode node)
        {
            foreach (TreeNode item in node.Nodes)
            {
                SysMenu model = (SysMenu)item.Tag;
                if (item.Checked == true) { model.IsUse = 1; }
                else { model.IsUse = 0; }
                StaticModel.ChangeMenuState(model.id, model.IsUse);
                SaveTreeNode(item);
            }
        }
        #endregion
        #region 选择所有下属性节点
        bool TreeNodeCheckEvent = true;
        public void SelectNextTreeViewChecked(TreeNode node)
        {
            foreach (TreeNode item in node.Nodes)
            {
                SysMenu model = (SysMenu)item.Tag;
                item.Checked = node.Checked;
                if (item.Checked == true) { model.IsUse = 1; }
                else { model.IsUse = 0; }
                StaticModel.ChangeMenuState(model.id, model.IsUse);
                SelectNextTreeViewChecked(item);
            }
        }
        #endregion
        #region 选择所有上属节点
        public void SelectPrevTreeViewChecked(TreeNode node)
        {
            if (node.Checked == false) return;
            if (node.Parent == null) return;
            TreeNode item = (TreeNode)node.Parent;
            item.Checked = true;
            SysMenu model = (SysMenu)item.Tag;
            if (item.Checked == true) { model.IsUse = 1; }
            else { model.IsUse = 0; }
            StaticModel.ChangeMenuState(model.id, model.IsUse);
            SelectPrevTreeViewChecked(item);
        }
        #endregion
        #region 清空
        void Clear()
        {
            IsDeleteMenu = false;
            txtMenuNo.Text = "";
            txtParentMenuNo.Text = "";
            txtMenuName.Text = "";
            txtModuleUrl.Text = "";
            chk_PopedomType.Checked = true;
            CurrentMenu = null;
        }
        #endregion

        private void treeView1_NodeMouseClick(object sender, TreeNodeMouseClickEventArgs e)
        {
            SysMenu model = (SysMenu)e.Node.Tag;
            txtMenuNo.Text = model.ModuleNo.ToString();
            txtParentMenuNo.Text = model.ParentModuleNo.ToString();
            txtMenuName.Text = model.ModuleName;
            txtModuleUrl.Text = model.ModuleUrl;
            txtSortNo.Value = Convert.ToInt32(model.SortNo);
            if (model.PopedomType == 0) { chk_PopedomType.Checked = false; }
            else { chk_PopedomType.Checked = true; }
            CurrentMenu = model;
            IsDeleteMenu = false;
        }

        private void cmdAdd_Click(object sender, EventArgs e)
        {
            //IsDeleteMenu = false;
            //txtMenuNo.Text = "";
            //txtParentMenuNo.Text ="";
            //txtMenuName.Text = "";
            //txtModuleUrl.Text = "";
            //chk_PopedomType.Checked = true;
            //CurrentMenu = null;
            string MenuNo = txtMenuNo.Text.Trim();
            string ParentMenuNo = txtParentMenuNo.Text.Trim();
            if (ParentMenuNo == "") ParentMenuNo = "0";
            if (string.IsNullOrEmpty(MenuNo) == true)
            {
                MessageBox.Show("菜单编号必须填写");
                return;
            }
            if (DataRegex.IsNumberInteger(MenuNo) == false)
            {
                MessageBox.Show("菜单编号必须是数字");
                return;
            }
            if (string.IsNullOrEmpty(ParentMenuNo) == false && DataRegex.IsNumberInteger(ParentMenuNo) == false)
            {
                MessageBox.Show("父菜单编号必须是数字");
                return;
            }
            if (CurrentMenu == null) CurrentMenu = new SysMenu();
            CurrentMenu.id = 0;
            CurrentMenu.ModuleNo = Convert.ToInt32(MenuNo);
            CurrentMenu.ParentModuleNo = Convert.ToInt32(ParentMenuNo);
            CurrentMenu.ModuleName = txtMenuName.Text.Trim();
            CurrentMenu.ModuleUrl = txtModuleUrl.Text.Trim();
            CurrentMenu.SortNo = txtSortNo.Value.ToString();
            if (chk_PopedomType.Checked == false) { CurrentMenu.PopedomType = 0; }
            else { CurrentMenu.PopedomType = 1; }
            List<SysMenu> list = GetListMenu(CurrentMenu.ParentModuleNo);
            if (CurrentMenu.id == 0 || IsDeleteMenu == true)
            {
                //CurrentMenu.SortNo = Convert.ToString(list.Count + 11);
            }
            if (string.IsNullOrEmpty(CurrentMenu.ModuleName) == true)
            {
                MessageBox.Show("菜单名称必须填写");
                return;
            }
            foreach (var item in list)
            {
                if (item.id == CurrentMenu.id) continue;
                StaticModel.SaveMenu(item);
            }
            bool bk = StaticModel.SaveMenu(CurrentMenu);
            if (bk == false)
            {
                MessageBox.Show("菜单编号已经存在");
                return;
            }
            CurrentMenu = null;

            ReadMenu();
            MessageBox.Show("新增成功");

        }

        private void cmdSave_Click(object sender, EventArgs e)
        {
            string MenuNo = txtMenuNo.Text.Trim();
            string ParentMenuNo = txtParentMenuNo.Text.Trim();
            if (ParentMenuNo == "") ParentMenuNo = "0";
            if (string.IsNullOrEmpty(MenuNo) == true)
            {
                MessageBox.Show("菜单编号必须填写");
                return;
            }
            if (DataRegex.IsNumberInteger(MenuNo) == false)
            {
                MessageBox.Show("菜单编号必须是数字");
                return;
            }
            if (string.IsNullOrEmpty(ParentMenuNo) == false && DataRegex.IsNumberInteger(ParentMenuNo) == false)
            {
                MessageBox.Show("父菜单编号必须是数字");
                return;
            }
            if (CurrentMenu == null) CurrentMenu = new SysMenu();
            CurrentMenu.ModuleNo = Convert.ToInt32(MenuNo);
            CurrentMenu.ParentModuleNo = Convert.ToInt32(ParentMenuNo);
            CurrentMenu.ModuleName = txtMenuName.Text.Trim();
            CurrentMenu.ModuleUrl = txtModuleUrl.Text.Trim();
            CurrentMenu.SortNo = txtSortNo.Value.ToString();
            if (chk_PopedomType.Checked == false) { CurrentMenu.PopedomType = 0; }
            else { CurrentMenu.PopedomType = 1; }
            //List<SysMenu> list = GetListMenu(CurrentMenu.ParentModuleNo);
            if (CurrentMenu.id == 0 || IsDeleteMenu == true)
            {
                //CurrentMenu.SortNo = Convert.ToString(list.Count + 11);
            }
            if (string.IsNullOrEmpty(CurrentMenu.ModuleName) == true)
            {
                MessageBox.Show("菜单名称必须填写");
                return;
            }
            //foreach (var item in list)
            //{
            //    if (item.id == CurrentMenu.id) continue;
            //    StaticModel.SaveMenu(item);
            //}
            bool bk = StaticModel.SaveMenu(CurrentMenu);
            if (bk == false)
            {
                MessageBox.Show("菜单编号已经存在");
                return;
            }
            CurrentMenu = null;

            ReadMenu();
            MessageBox.Show("修改成功");
        }

        private void cmdDel_Click(object sender, EventArgs e)
        {
            //真删除
            if (CurrentMenu == null)
            {
                MessageBox.Show("请选择菜单");
                return;
            }
            StaticModel.DeleteMenu(CurrentMenu.id);
            Clear();
            ReadMenu();
            MessageBox.Show("成功");
        }

        private void cmdDelete2_Click(object sender, EventArgs e)
        {
            //假删除
            if (CurrentMenu == null)
            {
                MessageBox.Show("请选择菜单");
                return;
            }
            StaticModel.DeleteMenu2(CurrentMenu.id);
            Clear();
            ReadMenu();
            MessageBox.Show("成功");
        }

        private void cmdPrev_Click(object sender, EventArgs e)
        {
            if (CurrentMenu == null)
            {
                MessageBox.Show("请选择菜单");
                return;
            }
            if (Convert.ToInt32(CurrentMenu.SortNo) - 10 == 1)
            {
                MessageBox.Show("已经是第一个了");
                return;
            }
            List<SysMenu> list = GetListMenu(CurrentMenu.ParentModuleNo);
            if (list.Count == 1)
            {
                MessageBox.Show("只有一个菜单不能调整");
                return;
            }
            for (int i = 0; i < list.Count; i++)
            {
                if (CurrentMenu.SortNo == list[i].SortNo)
                {
                    list[i].SortNo = Convert.ToString(Convert.ToInt32(list[i].SortNo) - 1);
                    StaticModel.SetMenuPosition(list[i].id, list[i].SortNo);
                    list[i - 1].SortNo = Convert.ToString(Convert.ToInt32(list[i - 1].SortNo) + 1);
                    StaticModel.SetMenuPosition(list[i - 1].id, list[i - 1].SortNo);
                }
                else
                {
                    StaticModel.SetMenuPosition(list[i].id, list[i].SortNo);
                }
            }
            Clear();
            ReadMenu();
            //MessageBox.Show("成功");

        }

        private void cmdNext_Click(object sender, EventArgs e)
        {
            if (CurrentMenu == null)
            {
                MessageBox.Show("请选择菜单");
                return;
            }
            List<SysMenu> list = GetListMenu(CurrentMenu.ParentModuleNo);
            if (list.Count == 1)
            {
                MessageBox.Show("只有一个菜单不能调整");
                return;
            }
            if (Convert.ToInt32(CurrentMenu.SortNo) - 10 == list.Count)
            {
                MessageBox.Show("已经是最后了");
                return;
            }
            bool bk = false;
            for (int i = 0; i < list.Count; i++)
            {
                if (bk == true) continue;
                if (CurrentMenu.SortNo == list[i].SortNo)
                {
                    list[i].SortNo = Convert.ToString(Convert.ToInt32(list[i].SortNo) + 1);
                    StaticModel.SetMenuPosition(list[i].id, list[i].SortNo);
                    list[i + 1].SortNo = Convert.ToString(Convert.ToInt32(list[i + 1].SortNo) - 1);
                    StaticModel.SetMenuPosition(list[i + 1].id, list[i + 1].SortNo);
                    bk = true;
                }
                else
                {
                    StaticModel.SetMenuPosition(list[i].id, list[i].SortNo);
                }
            }
            Clear();
            ReadMenu();
            //MessageBox.Show("成功");

        }

        private void txtMenuNo_Leave(object sender, EventArgs e)
        {
            string MenuNo = txtMenuNo.Text.Trim();
            if (string.IsNullOrEmpty(txtMenuNo.Text) == true) return;
            if (DataRegex.IsNumberInteger(MenuNo) == false) return;
            int ModuleNo = Convert.ToInt32(MenuNo);
            SysMenu model = StaticModel.GetDeleteMenu(ModuleNo);
            if (model == null) return;
            IsDeleteMenu = true;
            CurrentMenu = model;
            txtMenuNo.Text = model.ModuleNo.ToString();
            txtParentMenuNo.Text = model.ParentModuleNo.ToString();
            txtMenuName.Text = model.ModuleName;
            txtModuleUrl.Text = model.ModuleUrl;
            if (model.PopedomType == 0) { chk_PopedomType.Checked = false; }
            else { chk_PopedomType.Checked = true; }
        }


        private void cmdMenuCheck_Click(object sender, EventArgs e)
        {
            SaveTreeView();
            MessageBox.Show("保存成功");
        }

        private void treeView1_AfterCheck(object sender, TreeViewEventArgs e)
        {
            if (TreeNodeCheckEvent == false) return;
            TreeNodeCheckEvent = false;
            TreeNode item = e.Node;
            SysMenu model = (SysMenu)item.Tag;
            if (item.Checked == true) { model.IsUse = 1; }
            else { model.IsUse = 0; }
            StaticModel.ChangeMenuState(model.id, model.IsUse);
            SelectNextTreeViewChecked(e.Node);
            SelectPrevTreeViewChecked(e.Node);
            TreeNodeCheckEvent = true;
        }

        private void cmdSql_Click(object sender, EventArgs e)
        {
            if (CurrentMenu == null)
            {
                MessageBox.Show("请选择菜单");
                return;
            }
            txtsql.Text = StaticModel.GetMenuSql(CurrentMenu.id);
        }

        private void cmdCopySql_Click(object sender, EventArgs e)
        {
            Clipboard.SetDataObject(txtsql.Text);
        }

        private void cmdMenuSort_Click(object sender, EventArgs e)
        {
            List<SysMenu> ListModel = StaticModel.GetListChildMenu(CurrentMenu.ModuleNo);
            if (ListModel == null)
            {
                MessageBox.Show("该菜单下面没有子菜单");
                return;
            }
            foreach (var item in ListModel)
            {
                int sort = 101 + ListModel.IndexOf(item);
                StaticModel.SetMenuPosition(item.id, sort.ToString());
            }
            Clear();
            ReadMenu();
            MessageBox.Show("保存成功");
        }
    }
}