using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Linq;
using System.Threading.Tasks;
using System.Windows.Forms;
using BookmarkManager.Services;
using bzit.bomg.Models;
using RyzStudio.Windows.Forms;
using RyzStudio.Windows.ThemedForms;
using RyzStudio.Windows.ThemedForms.PickerBox;

namespace FizzyLauncher
{
    public class UpdateIconsForm : Form
    {
        private System.Windows.Forms.Label label1;
        private RyzStudio.Windows.Forms.THorizontalSeparator tHorizontalSeparator2;
        private Label label2;
        private ThYesNoPickerBox pickerBox1;
        private ThButton button2;
        private RyzStudio.Windows.ThemedForms.ThProgressBar progressBar1;


        private readonly WebProvider _webProvider;
        private BookmarkTreeView _treeView;
        private bool _isBusy = false;
        private Label label4;
        private THorizontalSeparator tHorizontalSeparator3;
        private ThButton button3;
        private ThProgressBar progressBar2;
        private RyzStudio.Windows.ThemedForms.Composite.DialogFooter dialogFooter1;
        private bool _requestCancel = false;


        public UpdateIconsForm(BookmarkTreeView treeView)
        {
            InitializeComponent();

            UISetup.Dialog(this);

            _webProvider = new WebProvider();
            _webProvider.IgnoreSSL = true;

            _treeView = treeView;
        }

        private void InitializeComponent()
        {
            label1 = new Label();
            tHorizontalSeparator2 = new THorizontalSeparator();
            label2 = new Label();
            pickerBox1 = new ThYesNoPickerBox();
            button2 = new ThButton();
            progressBar1 = new ThProgressBar();
            label4 = new Label();
            tHorizontalSeparator3 = new THorizontalSeparator();
            button3 = new ThButton();
            progressBar2 = new ThProgressBar();
            dialogFooter1 = new RyzStudio.Windows.ThemedForms.Composite.DialogFooter();
            SuspendLayout();
            //
            // label1
            //
            label1.AutoSize = true;
            label1.BackColor = System.Drawing.Color.Transparent;
            label1.ForeColor = System.Drawing.SystemColors.ControlText;
            label1.Location = new System.Drawing.Point(10, 20);
            label1.Margin = new Padding(0);
            label1.Name = "label1";
            label1.Padding = new Padding(0, 8, 0, 0);
            label1.Size = new System.Drawing.Size(156, 23);
            label1.TabIndex = 153;
            label1.Text = "Update Missing Icons (Only)";
            label1.TextAlign = System.Drawing.ContentAlignment.MiddleLeft;
            //
            // tHorizontalSeparator2
            //
            tHorizontalSeparator2.Anchor = AnchorStyles.Top | AnchorStyles.Left | AnchorStyles.Right;
            tHorizontalSeparator2.AutoScrollMargin = new System.Drawing.Size(0, 0);
            tHorizontalSeparator2.AutoScrollMinSize = new System.Drawing.Size(0, 0);
            tHorizontalSeparator2.BackColor = System.Drawing.Color.Transparent;
            tHorizontalSeparator2.Location = new System.Drawing.Point(10, 64);
            tHorizontalSeparator2.Margin = new Padding(0, 10, 0, 0);
            tHorizontalSeparator2.MaximumSize = new System.Drawing.Size(4920, 2);
            tHorizontalSeparator2.MinimumSize = new System.Drawing.Size(0, 22);
            tHorizontalSeparator2.Name = "tHorizontalSeparator2";
            tHorizontalSeparator2.Size = new System.Drawing.Size(424, 22);
            tHorizontalSeparator2.TabIndex = 190;
            tHorizontalSeparator2.TabStop = false;
            //
            // label2
            //
            label2.AutoSize = true;
            label2.BackColor = System.Drawing.Color.Transparent;
            label2.ForeColor = System.Drawing.SystemColors.ControlText;
            label2.Location = new System.Drawing.Point(10, 136);
            label2.Margin = new Padding(0);
            label2.Name = "label2";
            label2.Padding = new Padding(0, 8, 0, 0);
            label2.Size = new System.Drawing.Size(231, 23);
            label2.TabIndex = 195;
            label2.Text = "Retrieve supported icons from bookmarks.";
            label2.TextAlign = System.Drawing.ContentAlignment.MiddleLeft;
            //
            // pickerBox1
            //
            pickerBox1.Anchor = AnchorStyles.Top | AnchorStyles.Right;
            pickerBox1.BackColor = System.Drawing.Color.Transparent;
            pickerBox1.EnableReactiveVisual = true;
            pickerBox1.Font = new System.Drawing.Font("Segoe UI", 9F);
            pickerBox1.Location = new System.Drawing.Point(350, 20);
            pickerBox1.Name = "pickerBox1";
            pickerBox1.SelectedIndex = 1;
            pickerBox1.Size = new System.Drawing.Size(84, 35);
            pickerBox1.TabIndex = 0;
            pickerBox1.TabStop = false;
            pickerBox1.Value = true;
            //
            // button2
            //
            button2.ActiveImage = null;
            button2.Anchor = AnchorStyles.Top | AnchorStyles.Right;
            button2.BackColor = System.Drawing.Color.Transparent;
            button2.EnableMenuOnClick = false;
            button2.EnableReactiveVisual = true;
            button2.HoverImage = null;
            button2.IdleImage = null;
            button2.LabelText = "&Run";
            button2.Location = new System.Drawing.Point(306, 136);
            button2.Name = "button2";
            button2.Size = new System.Drawing.Size(128, 32);
            button2.TabIndex = 1;
            button2.TabStop = false;
            button2.MouseClick += button2_MouseClick;
            //
            // progressBar1
            //
            progressBar1.Anchor = AnchorStyles.Top | AnchorStyles.Left | AnchorStyles.Right;
            progressBar1.BackColor = System.Drawing.Color.Transparent;
            progressBar1.BarColour = System.Drawing.Color.FromArgb(79, 202, 130);
            progressBar1.BarTextColour = System.Drawing.Color.Black;
            progressBar1.EnableReactiveVisual = false;
            progressBar1.Font = new System.Drawing.Font("Segoe UI", 9F);
            progressBar1.Location = new System.Drawing.Point(10, 96);
            progressBar1.Maximum = 100;
            progressBar1.Minimum = 0;
            progressBar1.Name = "progressBar1";
            progressBar1.ProgressText = "50/100";
            progressBar1.ShowProgressText = true;
            progressBar1.Size = new System.Drawing.Size(424, 20);
            progressBar1.TabIndex = 206;
            progressBar1.TabStop = false;
            progressBar1.Value = 50;
            //
            // label4
            //
            label4.AutoSize = true;
            label4.BackColor = System.Drawing.Color.Transparent;
            label4.ForeColor = System.Drawing.SystemColors.ControlText;
            label4.Location = new System.Drawing.Point(10, 250);
            label4.Margin = new Padding(0);
            label4.Name = "label4";
            label4.Padding = new Padding(0, 8, 0, 0);
            label4.Size = new System.Drawing.Size(83, 23);
            label4.TabIndex = 208;
            label4.Text = "Clear all icons.";
            label4.TextAlign = System.Drawing.ContentAlignment.MiddleLeft;
            //
            // tHorizontalSeparator3
            //
            tHorizontalSeparator3.Anchor = AnchorStyles.Top | AnchorStyles.Left | AnchorStyles.Right;
            tHorizontalSeparator3.AutoScrollMargin = new System.Drawing.Size(0, 0);
            tHorizontalSeparator3.AutoScrollMinSize = new System.Drawing.Size(0, 0);
            tHorizontalSeparator3.BackColor = System.Drawing.Color.Transparent;
            tHorizontalSeparator3.Location = new System.Drawing.Point(10, 178);
            tHorizontalSeparator3.Margin = new Padding(0, 10, 0, 0);
            tHorizontalSeparator3.MaximumSize = new System.Drawing.Size(4920, 2);
            tHorizontalSeparator3.MinimumSize = new System.Drawing.Size(0, 22);
            tHorizontalSeparator3.Name = "tHorizontalSeparator3";
            tHorizontalSeparator3.Size = new System.Drawing.Size(424, 22);
            tHorizontalSeparator3.TabIndex = 207;
            tHorizontalSeparator3.TabStop = false;
            //
            // button3
            //
            button3.ActiveImage = null;
            button3.BackColor = System.Drawing.Color.Transparent;
            button3.EnableMenuOnClick = false;
            button3.EnableReactiveVisual = true;
            button3.HoverImage = null;
            button3.IdleImage = null;
            button3.LabelText = "Clear &All";
            button3.Location = new System.Drawing.Point(306, 250);
            button3.Name = "button3";
            button3.Size = new System.Drawing.Size(128, 32);
            button3.TabIndex = 209;
            button3.TabStop = false;
            button3.MouseClick += button3_MouseClick;
            //
            // progressBar2
            //
            progressBar2.Anchor = AnchorStyles.Top | AnchorStyles.Left | AnchorStyles.Right;
            progressBar2.BackColor = System.Drawing.Color.Transparent;
            progressBar2.BarColour = System.Drawing.Color.FromArgb(79, 193, 203);
            progressBar2.BarTextColour = System.Drawing.Color.Black;
            progressBar2.EnableReactiveVisual = false;
            progressBar2.Font = new System.Drawing.Font("Segoe UI", 9F);
            progressBar2.Location = new System.Drawing.Point(10, 210);
            progressBar2.Maximum = 100;
            progressBar2.Minimum = 0;
            progressBar2.Name = "progressBar2";
            progressBar2.ProgressText = "50/100";
            progressBar2.ShowProgressText = true;
            progressBar2.Size = new System.Drawing.Size(424, 20);
            progressBar2.TabIndex = 210;
            progressBar2.TabStop = false;
            progressBar2.Value = 50;
            //
            // dialogFooter1
            //
            dialogFooter1.BackColor = System.Drawing.Color.FromArgb(240, 240, 240);
            dialogFooter1.Button1Text = "&Close";
            dialogFooter1.Dialog = this;
            dialogFooter1.Dock = DockStyle.Bottom;
            dialogFooter1.IsBusy = false;
            dialogFooter1.Location = new System.Drawing.Point(0, 437);
            dialogFooter1.Name = "dialogFooter1";
            dialogFooter1.Size = new System.Drawing.Size(444, 84);
            //
            // UpdateIconsForm
            //
            AutoScaleDimensions = new System.Drawing.SizeF(7F, 15F);
            AutoScaleMode = AutoScaleMode.Font;
            BackColor = System.Drawing.Color.White;
            ClientSize = new System.Drawing.Size(444, 521);
            Controls.Add(dialogFooter1);
            Controls.Add(progressBar2);
            Controls.Add(button3);
            Controls.Add(label4);
            Controls.Add(tHorizontalSeparator3);
            Controls.Add(progressBar1);
            Controls.Add(button2);
            Controls.Add(pickerBox1);
            Controls.Add(label2);
            Controls.Add(tHorizontalSeparator2);
            Controls.Add(label1);
            KeyPreview = true;
            MinimumSize = new System.Drawing.Size(460, 560);
            Name = "UpdateIconsForm";
            Text = "Update Icons";
            ResumeLayout(false);
            PerformLayout();
        }

        protected override void OnLoad(EventArgs e)
        {
            base.OnLoad(e);

            var model = _treeView.ToNodeList<BookmarkModel>();

            if (pickerBox1.Value)
            {
                model = model.Where(x => x.Value.Icon == null)?.ToList() ?? new List<KeyValuePair<TreeNode, BookmarkModel>>();
            }

            progressBar1.Minimum = 0;
            progressBar1.Value = 0;
            progressBar1.Maximum = model.Count;

            progressBar2.Minimum = 0;
            progressBar2.Value = 0;
            progressBar2.Maximum = model.Count;

            pickerBox1.Focus();
        }

        protected override void OnClosing(CancelEventArgs e)
        {
            base.OnClosing(e);

            if (this.IsBusy)
            {
                e.Cancel = true;
            }
        }


        protected bool IsBusy
        {
            get => _isBusy;
            set
            {
                _isBusy = value;

                UIControl.SetEnable(pickerBox1, !this.IsBusy);
                UIControl.Invoke(button2, (x) =>
                {
                    button2.LabelText = (this.IsBusy ? "&Stop" : "&Run");
                });
                UIControl.Invoke(button3, (x) =>
                {
                    button3.LabelText = (this.IsBusy ? "&Stop" : "Clear &All");
                });

                dialogFooter1.IsBusy = _isBusy;
            }
        }


        private async void button2_MouseClick(object sender, MouseEventArgs e)
        {
            await Task.Run(async () =>
            {
                if (this.IsBusy)
                {
                    _requestCancel = true;
                    return;
                }

                this.IsBusy = true;

                var model = _treeView.ToNodeList<BookmarkModel>();

                if (pickerBox1.Value)
                {
                    model = model.Where(x => x.Value.Icon == null)?.ToList() ?? new List<KeyValuePair<TreeNode, BookmarkModel>>();
                }

                progressBar1.Minimum = 0;
                progressBar1.Value = 0;
                progressBar1.Maximum = model.Count;

                foreach (var item in model)
                {
                    progressBar1.Value++;

                    if (string.IsNullOrWhiteSpace(item.Value.Address))
                    {
                        continue;
                    }

                    if (_requestCancel)
                    {
                        break;
                    }

                    var document = await _webProvider.RetrieveHtmlDocument(item.Value.Address);
                    if (document == null)
                    {
                        continue;
                    }

                    if (_requestCancel)
                    {
                        break;
                    }

                    var newModel = item.Value;

                    try
                    {
                        var image = await _webProvider.RetrieveImage(document);
                        if (image != null)
                        {
                            if (image.Width > 16)
                            {
                                image = RyzStudio.Drawing.ImageEditor.Resize(image, 16, 16);
                            }
                        }

                        newModel.Icon = image;
                    }
                    catch (Exception)
                    {
                        newModel.Icon = null;
                    }

                    _treeView.UpdateNode(item.Key, newModel);
                }

                _requestCancel = false;

                this.IsBusy = false;
            });
        }

        private async void button3_MouseClick(object sender, MouseEventArgs e)
        {
            await Task.Run(() =>
            {
                if (this.IsBusy)
                {
                    _requestCancel = true;
                    return;
                }

                this.IsBusy = true;

                var model = _treeView.ToNodeList<BookmarkModel>();

                progressBar2.Minimum = 0;
                progressBar2.Value = 0;
                progressBar2.Maximum = model.Count;

                foreach (var item in model)
                {
                    progressBar2.Value++;

                    if (item.Value.Icon == null)
                    {
                        continue;
                    }

                    if (_requestCancel)
                    {
                        break;
                    }

                    var newModel = item.Value;
                    newModel.Icon = null;

                    _treeView.UpdateNode(item.Key, newModel);
                }

                _requestCancel = false;

                this.IsBusy = false;
            });
        }

    }
}