using PaintDotNet.Base.CommTool;
using PaintDotNet.Base.SettingModel;
using PaintDotNet.CustomControl;
using System;
using System.Collections.Generic;
using System.Drawing;
using System.IO;
using System.Linq;
using System.Windows.Forms;
using System.Windows.Forms.VisualStyles;

namespace PaintDotNet.Setting
{
    /// <summary>
    /// 设置->模块管理
    /// </summary>
    internal class ModuleManageDialog : PdnBaseForm
    {
        private AppWorkspace appWorkspace;
        private ToolStripItemCollection collectionLeft;
        private TreeNode animeLeft;

        private string txtPath = Application.StartupPath + "\\Config\\" + Startup.instance.SettingPrefix + "\\ModuleConfig.txt";
        private string[] menuIdArr;

        public ModuleManageDialog(AppWorkspace appWorkspace)
        {
            this.appWorkspace = appWorkspace;
            this.ShowInTaskbar = false;
            InitializeComponent();
            InitializeLanguageText();
            this.treeView1.CheckBoxes = true;
            InitVisibleMenuId();
            InitLeftTreeViewData();
            this.Text = PdnResources.GetString("Menu.Setting.ModuleSetting.Text");
        }

        private void InitializeLanguageText()
        {
            this.groupBox1.Text = PdnResources.GetString("Menu.operation.text");
            this.button2.Text = PdnResources.GetString("ConfirmLanguageDialog.CancelTB.ActionText");
            this.button1.Text = PdnResources.GetString("Menu.application.text");
            this.groupBox2.Text = PdnResources.GetString("Menu.Set.Focusparams.Availablemodules.text");
            this.label1.Text = PdnResources.GetString("Menu.Set.Modulemanagement.Restartthesngs.text");
        }

        /// <summary>
        /// 获取txt文件中已保存的菜单可用id
        /// </summary>
        private void InitVisibleMenuId()
        {
            if (System.IO.File.Exists(txtPath))
            {
                string str = System.IO.File.ReadAllText(txtPath);
                if (str.IndexOf(',') != -1)
                {
                    menuIdArr = str.Split(',');
                }
                else
                {
                    if (!string.IsNullOrEmpty(str))
                    {
                        menuIdArr = new string[] { str };
                    }
                }
            }
        }

        /// <summary>
        /// 初始化左侧treeview数据
        /// </summary>
        private void InitLeftTreeViewData()
        {
            this.collectionLeft = this.appWorkspace.ToolBar.MainMenu.Items;
            this.animeLeft = new TreeNode(PdnResources.GetString("Menu.menu.Text"));
            this.animeLeft.Checked = true;
            this.RecursiveDataLeft(collectionLeft, animeLeft);
            this.animeLeft.Expand();
            this.treeView1.Nodes.Add(animeLeft);
        }

        /// <summary>
        /// 左侧递归进行数据组织
        /// </summary>
        private void RecursiveDataLeft(ToolStripItemCollection collection, TreeNode anime)
        {
            for (int i = 0; i < collection.Count; i++)
            {
                TreeNode node = new TreeNode(collection[i].Text);
                if (collection[i] is PdnMenuItem)
                {
                    if (!(collection[i] is PdnMenuItem)) continue;
                    PdnMenuItem item = (PdnMenuItem)collection[i];
                    if (!item.CanShowInSenseShield)
                        continue;
                    node.Tag = item.MenuId;
                    if (menuIdArr != null && menuIdArr.Count() > 0)
                    {
                        if (Array.IndexOf(menuIdArr, item.MenuId.ToString()) != -1)
                        {
                            node.Checked = true;
                        }
                        else
                        {
                            node.Checked = false;
                            //兄弟节点只要有一个没选，其父节点也不选//#20756
                            TreeNode nodeParent = anime;// node.Parent;
                            while (nodeParent != null)
                            {
                                nodeParent.Checked = false;
                                nodeParent = nodeParent.Parent;
                            }
                        }
                    }
                    //if (Startup.instance.moduleConfigModel.items.Find(a => a.ParentId == item.MenuId) != null
                    //    || Startup.instance.moduleConfigModel.items.Find(a => a.ChildIds.Split(',').Contains(item.MenuId.ToString())) != null)
                    //{
                    //    node.Checked = true;
                    //}
                    anime.Nodes.Add(node);

                    if (collection[i].Name.Equals("OpenRecent") || collection[i].Name.Equals("CameraSelection"))
                        continue;

                    RecursiveDataLeft(((PdnMenuItem)collection[i]).DropDownItems, node);
                }
            }
        }

        /// <summary>
        /// 确定
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void button1_Click(object sender, EventArgs e)
        {
            TreeNodeCollection nodes = this.animeLeft.Nodes;

            string str = "";
            foreach (TreeNode node in nodes)
            {
                if (node.Checked)
                {
                    if (str == "")
                    {
                        str += node.Tag.ToString();
                    }
                    else
                    {
                        str += "," + node.Tag.ToString();
                    }
                }
                if (node.Nodes.Count > 0)
                {
                    bool nodeHasChildChecked;
                    str = RecursionMenuId(node, str, out nodeHasChildChecked);
                    if (!node.Checked && nodeHasChildChecked)
                    {
                        if (str == "")
                        {
                            str += node.Tag.ToString();
                        }
                        else
                        {
                            str += "," + node.Tag.ToString();
                        }
                    }
                }
            }

            //FileStream fs = new FileStream(txtPath, FileMode.Create);
            //StreamWriter sw = new StreamWriter(fs);
            StreamWriter sw = new StreamWriter(txtPath, false);
            sw.Write(str);
            sw.Close();
            //fs.Close();
            sw.Dispose();
            //fs.Dispose();

            this.Close();
        }

        /// <summary>
        /// 递归获取所有选中的菜单id
        /// </summary>
        /// <param name="node"></param>
        /// <param name="str"></param>
        /// <returns></returns>
        private string RecursionMenuId(TreeNode node, string str, out bool hasChildChecked)
        {
            hasChildChecked = false;
            if (node.Nodes.Count > 0)
            {
                foreach (TreeNode tn in node.Nodes)
                {
                    if (tn.Checked)
                    {
                        if (str == "")
                        {
                            str += tn.Tag.ToString();
                        }
                        else
                        {
                            str += "," + tn.Tag.ToString();
                        }
                        hasChildChecked = true;
                    }
                    if (tn.Nodes.Count > 0)
                    {
                        bool tnHasChildChecked;
                        str = RecursionMenuId(tn, str, out tnHasChildChecked);
                        if (!tn.Checked && tnHasChildChecked)
                        {
                            if (str == "")
                            {
                                str += tn.Tag.ToString();
                            }
                            else
                            {
                                str += "," + tn.Tag.ToString();
                            }
                            hasChildChecked = true;
                        }
                    }
                }
            }
            return str;
        }

        /// <summary>
        /// 取消
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void button2_Click(object sender, EventArgs e)
        {
            this.Close();
        }

        //递归父节点跟随其全选或全不选
        private void ChangeParent(TreeNode node)
        {
            if (node.Parent != null)
            {
                //兄弟节点被选中的个数
                int brotherNodeCheckedCount = 0;
                //遍历该节点的兄弟节点
                foreach (TreeNode tn in node.Parent.Nodes)
                {
                    if (tn.Checked == true)
                        brotherNodeCheckedCount++;
                }
                //兄弟节点全没选，其父节点也不选
                if (brotherNodeCheckedCount == 0)
                {
                    node.Parent.Checked = false;
                    ChangeParent(node.Parent);
                }
                //兄弟节点只要有一个被选，其父节点也被选
                if (brotherNodeCheckedCount >= 1)
                {
                    node.Parent.Checked = true;
                    ChangeParent(node.Parent);
                }
            }
        }

        /*private void treeView1_AfterCheck(object sender, TreeViewEventArgs e)
        {
            if (e.Node != null)
            {
                this.treeView1.AfterCheck -= treeView1_AfterCheck;
                ChangeChild(e.Node, e.Node.Checked);//影响子节点
                ChangeParent(e.Node);//影响父节点
                this.treeView1.AfterCheck += treeView1_AfterCheck;
            }
        }*/

        private bool nextCheck(TreeNode n)   //判断同级的节点是否全选
        {
            foreach (TreeNode tn in n.Parent.Nodes)
            {
                if (tn.Checked == false) return false;
            }
            return true;
        }

        private bool nextNotCheck(TreeNode n)  //判断同级的节点是否全不选
        {
            if (n.Checked == true)
            {
                return false;
            }
            if (n.NextNode == null)
            {
                return true;
            }

            return this.nextNotCheck(n.NextNode);
        }

        private void cycleChild(TreeNode tn, bool check)    //遍历节点下的子节点
        {
            if (tn.Nodes.Count != 0)
            {
                foreach (TreeNode child in tn.Nodes)
                {
                    child.Checked = check;
                    if (child.Nodes.Count != 0)
                    {
                        cycleChild(child, check);
                    }
                }
            }
            else
                return;
        }

        private void cycleParent(TreeNode tn, bool check)    //遍历节点上的父节点
        {
            if (tn.Parent != null)
            {
                if (nextCheck(tn))
                {
                    tn.Parent.Checked = true;
                }
                else
                {
                    tn.Parent.Checked = false;
                }
                cycleParent(tn.Parent, check);
            }
            return;
        }

        //     afterCheck
        private void treeView1_AfterCheck(object sender, TreeViewEventArgs e)   //当选中或取消选中树节点上的复选框时发生
        {
            //要求父节点被勾选，则子节点全部被勾选；父节点不被勾选，则子节点不全不被勾选
            if (e.Node.Checked == true)
            {
                if (e.Action != TreeViewAction.Unknown)
                {
                    cycleChild(e.Node, true);
                }
                if (e.Node.Parent != null)
                {
                    if (nextCheck(e.Node))
                    {
                        cycleParent(e.Node, true);
                    }
                    else
                    {
                        cycleParent(e.Node, false);
                    }
                }
            }

            if (e.Node.Checked == false)
            {
                if (e.Action != TreeViewAction.Unknown)
                {
                    cycleChild(e.Node, false);  //中间节点不选中则子节点全部不选中
                    cycleParent(e.Node, false);       //父节点不选中
                }
                // bCheck = false;
            }
            return;
        }


        int nodeClicks = 0;
        TreeViewHitTestInfo hitInfo = null;

        private void treeView1_MouseDown(object sender, MouseEventArgs e)
        {
            hitInfo = treeView1.HitTest(e.Location);
            nodeClicks = e.Clicks;
        }

        private void treeView1_BeforeExpand(object sender, TreeViewCancelEventArgs e)
        {
            if (nodeClicks > 1 && hitInfo.Location == TreeViewHitTestLocations.Label)
            {
                e.Cancel = true;
            }
        }

        #region 控件

        /// <summary>
        /// Required designer variable.
        /// </summary>
        private System.ComponentModel.IContainer components = null;

        /// <summary>
        /// Clean up any resources being used.
        /// </summary>
        /// <param name="disposing">true if managed resources should be disposed; otherwise, false.</param>
        protected override void Dispose(bool disposing)
        {
            if (disposing && (components != null))
            {
                components.Dispose();
            }
            base.Dispose(disposing);
        }

        #region Windows Form Designer generated code

        /// <summary>
        /// Required method for Designer support - do not modify
        /// the contents of this method with the code editor.
        /// </summary>
        private void InitializeComponent()
        {
            this.groupBox1 = new System.Windows.Forms.GroupBox();
            this.button2 = new System.Windows.Forms.Button();
            this.button1 = new System.Windows.Forms.Button();
            this.groupBox2 = new System.Windows.Forms.GroupBox();
            this.treeView1 = new TreeViewEnhanced();
            this.label1 = new System.Windows.Forms.Label();
            this.groupBox1.SuspendLayout();
            this.groupBox2.SuspendLayout();
            this.SuspendLayout();
            // 
            // groupBox1
            // 
            this.groupBox1.Anchor = ((System.Windows.Forms.AnchorStyles)(((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Left)
            | System.Windows.Forms.AnchorStyles.Right)));
            this.groupBox1.Controls.Add(this.button2);
            this.groupBox1.Controls.Add(this.button1);
            this.groupBox1.Location = new System.Drawing.Point(13, 13);
            this.groupBox1.Name = "groupBox1";
            this.groupBox1.Size = new System.Drawing.Size(301, 58);
            this.groupBox1.TabIndex = 1;
            this.groupBox1.TabStop = false;
            this.groupBox1.Text = "操作";
            // 
            // button2
            // 
            this.button2.Anchor = ((System.Windows.Forms.AnchorStyles)((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Right)));
            this.button2.Location = new System.Drawing.Point(220, 20);
            this.button2.Name = "button2";
            this.button2.Size = new System.Drawing.Size(75, 23);
            this.button2.TabIndex = 1;
            this.button2.Text = "取消";
            this.button2.UseVisualStyleBackColor = true;
            this.button2.Click += new System.EventHandler(this.button2_Click);
            // 
            // button1
            // 
            this.button1.Anchor = ((System.Windows.Forms.AnchorStyles)((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Right)));
            this.button1.Location = new System.Drawing.Point(138, 20);
            this.button1.Name = "button1";
            this.button1.Size = new System.Drawing.Size(75, 23);
            this.button1.TabIndex = 0;
            this.button1.Text = "确定";
            this.button1.UseVisualStyleBackColor = true;
            this.button1.Click += new System.EventHandler(this.button1_Click);
            // 
            // groupBox2
            // 
            this.groupBox2.Controls.Add(this.treeView1);
            this.groupBox2.Location = new System.Drawing.Point(13, 78);
            this.groupBox2.Name = "groupBox2";
            this.groupBox2.Size = new System.Drawing.Size(301, 467);
            this.groupBox2.TabIndex = 2;
            this.groupBox2.TabStop = false;
            this.groupBox2.Text = "可用模块";
            // 
            // treeView1
            // 
            this.treeView1.Location = new System.Drawing.Point(7, 21);
            this.treeView1.Name = "treeView1";
            this.treeView1.Size = new System.Drawing.Size(288, 440);
            this.treeView1.TabIndex = 0;
            this.treeView1.AfterCheck += new System.Windows.Forms.TreeViewEventHandler(this.treeView1_AfterCheck);
            this.treeView1.BeforeExpand += new System.Windows.Forms.TreeViewCancelEventHandler(this.treeView1_BeforeExpand);
            this.treeView1.MouseDown += new System.Windows.Forms.MouseEventHandler(this.treeView1_MouseDown);
            // 
            // label1
            // 
            this.label1.AutoSize = true;
            this.label1.Location = new System.Drawing.Point(13, 551);
            this.label1.Name = "label1";
            this.label1.Size = new System.Drawing.Size(125, 12);
            this.label1.TabIndex = 3;
            this.label1.Text = "更改模块后请重启软件";
            // 
            // ModuleManageDialog
            // 
            this.AutoScaleDimensions = new System.Drawing.SizeF(6F, 12F);
            this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
            this.ClientSize = new System.Drawing.Size(326, 577);
            this.Controls.Add(this.label1);
            this.Controls.Add(this.groupBox2);
            this.Controls.Add(this.groupBox1);
            this.FormBorderStyle = System.Windows.Forms.FormBorderStyle.FixedSingle;
            this.MaximizeBox = false;
            this.Name = "ModuleManageDialog";
            this.SizeGripStyle = System.Windows.Forms.SizeGripStyle.Hide;
            this.Text = "模块管理";
            this.Controls.SetChildIndex(this.groupBox1, 0);
            this.Controls.SetChildIndex(this.groupBox2, 0);
            this.Controls.SetChildIndex(this.label1, 0);
            this.groupBox1.ResumeLayout(false);
            this.groupBox2.ResumeLayout(false);
            this.ResumeLayout(false);
            this.PerformLayout();

        }

        #endregion

        private System.Windows.Forms.GroupBox groupBox1;
        private System.Windows.Forms.Button button2;
        private System.Windows.Forms.Button button1;
        private System.Windows.Forms.GroupBox groupBox2;
        private TreeViewEnhanced treeView1;
        private System.Windows.Forms.Label label1;

        #endregion
    }
}