using Newtonsoft.Json;
using Newtonsoft.Json.Linq;
using Public.Fun;
using ryCommon;
using System;
using System.Drawing;
using System.IO;
using System.Text.RegularExpressions;
using System.Windows.Forms;
using WeifenLuo.WinFormsUI.Docking;

namespace Itrycn_Project2
{
    public partial class FrmMainEditor : Form
    {
        public static FrmMainEditor MainEditor { get; private set; }
        public FrmMainEditor()
        {
            InitializeComponent();
            EnableVSRenderer(VisualStudioToolStripExtender.VsVersion.Vs2015, vS2015BlueTheme1);
            //DragManager = RyFiles.AddDropDrag(Handle);
            //DragManager.ElevatedDragDrop += FrmMainEditor_ElevatedDragDrop;
            MainEditor = this;
            this.AllowDrop = true;
            this.DragEnter += FrmMainEditor_DragEnter;
            this.DragDrop += FrmMainEditor_DragDrop;
        }
        public DockPanel DockPanel
        {
            get
            {
                return this.dockPanel;
            }
        }
        private void FrmMainEditor_DragDrop(object sender, DragEventArgs e)
        {
            string[] s = (string[])e.Data.GetData(DataFormats.FileDrop, false);
            if (s.Length == 1 && System.IO.Directory.Exists(s[0]))
            {
                //
            }
            for (int i = 0; i < s.Length; i++)
            {
                if (!System.IO.File.Exists(s[i])) { continue; }
                //OpenFile(s[i], s.Length == 1);
            }
        }

        private void FrmMainEditor_DragEnter(object sender, DragEventArgs e)
        {
            if (e.Data.GetDataPresent(DataFormats.FileDrop))
            {
                e.Effect = DragDropEffects.All;
            }
            else
            {
                e.Effect = DragDropEffects.None;
            }
        }


        private void EnableVSRenderer(VisualStudioToolStripExtender.VsVersion version, ThemeBase theme)
        {
            vsToolStripExtender1.SetStyle(menuStrip1, version, theme);
            vsToolStripExtender1.SetStyle(toolStrip1, version, theme);
            vsToolStripExtender1.SetStyle(statusStrip1, version, theme);
        }
        private void 打开ToolStripMenuItem_Click(object sender, EventArgs e)
        {
            OpenFileDialog dialog = new OpenFileDialog
            {
                Filter = "常用格式|*.php;*.cs;*.txt;*.pas;*.js;*.html;*.htm;*.css;*.ini;*.json;*.xml;*.java;*.vbs;*.asp;*.aspx|所有文件|*.*"
            };
            if (dialog.ShowDialog() == DialogResult.OK)
            {
                //OpenFile(dialog.FileName,true);
            }
        }

        private Form GetActiveForm()
        {
            if (dockPanel.DocumentStyle == DocumentStyle.SystemMdi)
                return ActiveMdiChild;
            else if (dockPanel.ActiveDocument != null)
                return (Form)dockPanel.ActiveDocument;
            return null;
        }
        /// <summary>
        /// 更新列表中的文件信息
        /// </summary>
        /// <param name="path"></param>
        public void UpdateFileState(string path) {
            foreach (IDockContent document in dockPanel.Contents) {
                // IMPORANT: dispose all panes.
                if (document is FrmFileBrowser_New frm2) {
                    frm2.UpdateFileInfo(path);
                }
            }
        }
        private void 重新读取ToolStripMenuItem_Click(object sender, EventArgs e)
        {
        }
        private void TsOpen_Click(object sender, EventArgs e)
        {
            打开ToolStripMenuItem.PerformClick();
        }
        private bool msg_show = false;
        private Form last_active_doc= null;
        private bool ProcUse = false;
        private void DockPanel_ActiveContentChanged(object sender, EventArgs e)
        {
            if (ProcUse) { return; }
            var form = GetActiveForm();
            if (dockPanel.ActiveContent is FrmFileBrowser_New frm_file)
            {
                if(frm_file.InitPath.Length>0)
                {
                    frm_file.GotoPath(frm_file.InitPath,frm_file.Init_Selected_Path);
                    frm_file.InitPath = "";
                    frm_file.Init_Selected_Path = "";
                }
            }
            if (form != last_active_doc)
            {
                last_active_doc = form;
            }
        }
        private void FrmMainEditor_FormClosing(object sender, FormClosingEventArgs e)
        {
            SaveState();
            ProcUse = true;
            QuickMsg.RyMemoryShare.DelMemory("SmartEditor");
            //DragManager.ElevatedDragDrop -= FrmMainEditor_ElevatedDragDrop;
            //DragManager.Remove();
        }
        private void ShowUI(bool changelocation=true)
        {
            this.WindowState = FormWindowState.Normal;
            if (changelocation)
            {
                this.Top = (Screen.PrimaryScreen.WorkingArea.Height - this.Height) / 2;
                this.Left = (Screen.PrimaryScreen.WorkingArea.Width - this.Width) / 2;
            }
            bool topmost = this.TopMost;
            this.TopMost = true;
            RyForm.BringToTop(Handle);
            this.TopMost = topmost;
        }
        private const int WM_COPYDATA = 0x004A;
        protected override void WndProc(ref Message m)
        {
            switch (m.Msg)
            {
                case 17189:
                    #region 显示窗体
                    switch (m.WParam.ToInt32())
                    {
                        case 100://
                            if ((int)m.LParam.ToInt32() == 100)
                            {
                                ShowUI();
                            }
                            break;
                    }
                    #endregion
                    break;
                case WM_COPYDATA:
                    switch (m.WParam.ToInt32())
                    {
                        case 1666:
                            #region 打开文件
                            //string str = ryConfig.MsgManager.GetMsg(m);
                            //if(System.IO.File.Exists(str))
                            //{
                            //    ShowUI(false);
                            //    OpenFile(str);
                            //}
                            #endregion
                            break;
                        default:
                            break;
                    }
                    break;
            }
            base.WndProc(ref m);
        }
        private int GetSortOrderInt(System.Windows.Forms.SortOrder sortOrder)
        {
            if(sortOrder== System.Windows.Forms.SortOrder.None) {  return 0; }
            else if (sortOrder == System.Windows.Forms.SortOrder.Ascending) { return 1; }
            else if (sortOrder == System.Windows.Forms.SortOrder.Descending) { return -1; }
            return 0;
        }
        private System.Windows.Forms.SortOrder GetSortOrder(int sortOrder)
        {
            if (sortOrder ==0) { return System.Windows.Forms.SortOrder.None; }
            else if (sortOrder == 1) { return System.Windows.Forms.SortOrder.Ascending; }
            else if (sortOrder == -1) { return System.Windows.Forms.SortOrder.Descending; }
            return System.Windows.Forms.SortOrder.None;
        }
        /// <summary>
        /// 保存软件状态
        /// </summary>
        private void SaveState()
        {
            last_save = DateTime.Now;
            JObject jo = new JObject();
            var opens = Application.OpenForms;
            JArray jarr_workarea = new JArray();
            JArray jarr_editor = new JArray();
            JArray jarr_ftp = new JArray();
            for (int i = 0; i < opens.Count; i++)
            {
                if (opens[i] is FrmFileBrowser_New frm_file) {
                    var selected_item = (MyFileSystemInfo)frm_file.olvFiles.SelectedObject;
                    var jo_item = new JObject
                    {
                        { "mode", "file" },
                        { "text", frm_file.Text },
                        { "folder", frm_file.CurFolderPath },
                        { "selected_path", selected_item == null ? "" : selected_item.FullName },
                        { "visible", frm_file.Visible },
                        { "SplitterDistance", frm_file.splitContainer1.SplitterDistance },
                    };
                    if (frm_file.olvFiles.PrimarySortColumn != null)
                    {
                        jo_item.Add("PrimarySortColumn", frm_file.olvFiles.PrimarySortColumn.AspectName);
                        jo_item.Add("PrimarySortOrder", GetSortOrderInt(frm_file.olvFiles.PrimarySortOrder));
                    }
                    if (frm_file.olvFiles.SecondarySortColumn != null)
                    {
                        jo_item.Add("SecondarySortColumn", frm_file.olvFiles.SecondarySortColumn.AspectName);
                        jo_item.Add("SecondarySortOrder", GetSortOrderInt(frm_file.olvFiles.SecondarySortOrder));
                    }
                    for (int c = 0; c < frm_file.olvFiles.AllColumns.Count; c++) {
                        var column = frm_file.olvFiles.AllColumns[c];
                        jo_item.Add(column.AspectName + "_width", column.Width);
                        jo_item.Add(column.AspectName + "_visible", column.IsVisible ? 1 : 0);
                    }
                    jarr_workarea.Add(jo_item);
                }
            }
            jo.Add("workarea",jarr_workarea);
            jo.Add("editor_area", jarr_editor);
            jo.Add("ftp_area", jarr_ftp);
            jo.Add("DockRightPortion", this.dockPanel.DockRightPortion);
            jo.Add("DockLeftPortion", this.dockPanel.DockLeftPortion);
            if (this.WindowState == FormWindowState.Normal)
            {
                jo.Add("width", this.Width);
                jo.Add("height", this.Height);
                jo.Add("top", this.Top);
                jo.Add("left", this.Left);
            }
            else
            {
                jo.Add("width", this.RestoreBounds.Width);
                jo.Add("height", this.RestoreBounds.Height);
                jo.Add("top", this.RestoreBounds.Top);
                jo.Add("left", this.RestoreBounds.Left);
            }
            jo.Add("topmost", this.TopMost);
            Itrycn_Db.SetSetting("EditorState",jo.ToString());
        }
        string EditorState = "";
        /// <summary>
        /// 加载软件状态
        /// </summary>
        private int LoadState(bool OnlySetUISize=false)
        {
            try
            {
                if (EditorState.Length == 0)
                {
                    EditorState =Itrycn_Db.GetSetting("EditorState", "");
                }
                if (EditorState.Length == 0) { return 0; }
                JObject jo = EditorState.Length == 0 ? new JObject() : JObject.Parse(EditorState);
                if (OnlySetUISize)
                {
                    var width = jo["width"].ToInt();
                    var height = jo["height"].ToInt();
                    var top = jo["top"].ToInt();
                    var left = jo["left"].ToInt();
                    if (width <= 100) { width = 800; }
                    if (height < 100) { height = 500; }
                    var screen = Screen.FromPoint(MousePosition);
                    if (top < screen.WorkingArea.Top || top > screen.WorkingArea.Bottom)
                    {
                        top = screen.WorkingArea.Top + (screen.WorkingArea.Height - height) / 2;
                    }
                    if (left < screen.WorkingArea.Left || left > screen.WorkingArea.Right)
                    {
                        left = screen.WorkingArea.Left + (screen.WorkingArea.Width - width) / 2;
                    }
                    this.Location = new Point(left, top);
                    this.Size = new Size(width, height);
                    this.TopMost = jo["topmost"].ToBool();
                }
                if (!OnlySetUISize)
                {
                    置顶显示ToolStripMenuItem.Checked = this.TopMost;
                    menuStrip1.Refresh();
                    toolStrip1.Refresh();
                    statusStrip1.Refresh();
                    //dockPanel.SuspendLayout();
                    this.SuspendLayout();
                    dockPanel.DockLeftPortion = jo["DockLeftPortion"].ToDouble(250);
                    dockPanel.DockRightPortion = jo["DockRightPortion"].ToDouble(300);
                    ProcUse = true;
                    if (jo["workarea"] != null)
                    {
                        JArray jarr_workarea = JArray.Parse(jo["workarea"].ToString());
                        Form def_form = null;
                        for (int i = 0; i < jarr_workarea.Count; i++)
                        {
                            var item = jarr_workarea[i];
                            var mode = item.GetJsonValue("mode", "");
                            if (mode == "file")
                            {
                                FrmFileBrowser_New frm = new FrmFileBrowser_New
                                {
                                    Text = item["text"].ToString()
                                };
                                var PrimarySortColumn = item.GetJsonValue("PrimarySortColumn","");
                                var SecondarySortColumn = item.GetJsonValue("SecondarySortColumn", "");
                                for (int c = 0; c < frm.olvFiles.AllColumns.Count; c++)
                                {
                                    var column = frm.olvFiles.AllColumns[c];
                                    column.Width = item[column.AspectName + "_width"].ToInt(column.Width);
                                    column.IsVisible = item[column.AspectName + "_visible"].ToInt(1) == 1;
                                    if (column.AspectName == PrimarySortColumn)
                                    {
                                        frm.olvFiles.PrimarySortColumn = column;
                                        frm.olvFiles.PrimarySortOrder = GetSortOrder(item["PrimarySortOrder"].ToInt());
                                    }
                                    else if (column.AspectName == SecondarySortColumn)
                                    {
                                        frm.olvFiles.SecondarySortColumn = column;
                                        frm.olvFiles.SecondarySortOrder = GetSortOrder(item["SecondarySortOrder"].ToInt());
                                    }
                                }
                                frm.olvFiles.RebuildColumns();
                                frm.Show(dockPanel, DockState.DockLeft);
                                frm.splitContainer1.SplitterDistance = item.GetJsonValue("SplitterDistance", "280").ToInt(22, 4000, 280);
                                frm.InitPath = item.GetJsonValue("folder", "");
                                frm.Init_Selected_Path = item.GetJsonValue("selected_path", "");
                                frm.CurFolderPath = item.GetJsonValue("folder", "");
                                //frm.GotoPath(item.GetValue("folder", ""), item.GetValue("selected_path", ""));
                                if (item["visible"].ToBool()) { def_form = frm; }
                            }
                        }
                        if (def_form != null)
                        {
                            var file_frm = (DockContent)def_form;
                            file_frm.Show(dockPanel, DockState.DockLeft);
                            if (file_frm is FrmFileBrowser_New frm1)
                            {
                                frm1.GotoPath(frm1.InitPath, frm1.Init_Selected_Path);
                                frm1.InitPath = "";
                                frm1.Init_Selected_Path = "";
                            }
                        }
                    }
                    ProcUse = false;
                    //dockPanel.ResumeLayout(true);
                    this.ResumeLayout(true);
                }
                return 1;
            }
            catch (Exception ex)
            {
                dockPanel.ResumeLayout(true);
                this.ResumeLayout(true);
                MessageBox.Show(ex.Message, "状态加载失败", MessageBoxButtons.OK, MessageBoxIcon.Information);
                return 0;
            }
        }
        private void 置顶显示ToolStripMenuItem_Click(object sender, EventArgs e)
        {
            置顶显示ToolStripMenuItem.Checked = !置顶显示ToolStripMenuItem.Checked;
            this.TopMost = 置顶显示ToolStripMenuItem.Checked;
        }
        private DateTime last_save = DateTime.Now.AddSeconds(-50);
        private void FrmMainEditor_Deactivate(object sender, EventArgs e)
        {
            if (last_save <= DateTime.Now.AddMinutes(-1))
            {
                SaveState();
            }
        }

        private void 文件浏览器ToolStripMenuItem_Click(object sender, EventArgs e) {
            var index = 0;
            var opens = Application.OpenForms;
            for (int i = 0; i < opens.Count; i++) {
                if (opens[i] is FrmFileBrowser_New) {
                    index++;
                }
            }
            FrmFileBrowser_New frm = new FrmFileBrowser_New {
                Text = "文件浏览" + (index == 0 ? "" : index.ToString())
            };
            frm.Show(dockPanel, DockState.DockLeft);
        }
        public string ConvertJsonString(string str)
        {
            //格式化json字符串
            try
            {
                JsonSerializer serializer = new JsonSerializer();
                TextReader tr = new StringReader(str);
                JsonTextReader jtr = new JsonTextReader(tr);
                object obj = serializer.Deserialize(jtr);
                if (obj != null)
                {
                    StringWriter textWriter = new StringWriter();
                    JsonTextWriter jsonWriter = new JsonTextWriter(textWriter)
                    {
                        Formatting = Formatting.Indented,
                        Indentation = 4,
                        IndentChar = ' '
                    };
                    serializer.Serialize(jsonWriter, obj);
                    return textWriter.ToString();
                }
                else
                {
                    return str;
                }
            }
            catch { return str; }
        }
        private string ReplaceRegex(string input,string from,string to)
        {
            Regex regex = new Regex(from);
            return regex.Replace(input, to);
        }
        private void FrmMainEditor_Shown(object sender, EventArgs e)
        {
            PnlLoad.Dock = DockStyle.Fill;
            PnlLoad.Parent = this;
            PnlLoad.Visible = true;
            PnlLoad.BringToFront();
            label1.BringToFront();
            Application.DoEvents();
            Text = "文本智能编辑器V" + RySoft.VersionStr;
            QuickMsg.RyMemoryShare.WriteToMemory(this.Handle.ToInt64(), "SmartEditor");
            if (LoadState() == 0)
            {
            }
            PnlLoad.Visible = false;
        }
        private void FrmMainEditor_Load(object sender, EventArgs e)
        {
            LoadState(true);
        }
    }
}