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 : TDialog
    {
        private System.Windows.Forms.Label label1;
        private ThButton button1;
        private RyzStudio.Windows.Forms.THorizontalSeparator tHorizontalSeparator1;
        private RyzStudio.Windows.Forms.THorizontalSeparator tHorizontalSeparator2;
        private Label label2;
        private PictureBox pictureBox2;
        private ThYesNoPickerBox pickerBox1;
        private ThButton button2;
        private RyzStudio.Windows.ThemedForms.ThProgressBar progressBar1;
        private Label label3;
        private ThProgressBar thProgressBar1;
        private System.ComponentModel.IContainer components;


        private readonly WebProvider _webProvider;
        private BookmarkTreeView _treeView;
        private bool _isBusy = false;
        private bool _requestCancel = false;


        public UpdateIconsForm(BookmarkTreeView treeView)
        {
            InitializeComponent();

            this.OkButton = button1;

            _webProvider = new WebProvider();

            _treeView = treeView;
        }

        private void InitializeComponent()
        {
            label1 = new Label();
            button1 = new ThButton();
            tHorizontalSeparator1 = new THorizontalSeparator();
            tHorizontalSeparator2 = new THorizontalSeparator();
            label2 = new Label();
            pictureBox2 = new PictureBox();
            pickerBox1 = new ThYesNoPickerBox();
            button2 = new ThButton();
            progressBar1 = new ThProgressBar();
            ((System.ComponentModel.ISupportInitialize)pictureBox2).BeginInit();
            SuspendLayout();
            //
            // label1
            //
            label1.AutoSize = true;
            label1.BackColor = System.Drawing.Color.Transparent;
            label1.ForeColor = System.Drawing.SystemColors.ControlText;
            label1.Location = new System.Drawing.Point(10, 21);
            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;
            //
            // button1
            //
            button1.AcceptButton = null;
            button1.ActiveImage = null;
            button1.Anchor = AnchorStyles.Bottom | AnchorStyles.Right;
            button1.BackColor = System.Drawing.Color.Transparent;
            button1.EnableMenuOnClick = false;
            button1.EnableReactiveVisual = true;
            button1.HoverImage = null;
            button1.IdleImage = null;
            button1.LabelText = "&Close";
            button1.Location = new System.Drawing.Point(301, 469);
            button1.Margin = new Padding(10, 10, 10, 0);
            button1.Name = "button1";
            button1.Padding = new Padding(4, 4, 3, 3);
            button1.Size = new System.Drawing.Size(128, 32);
            button1.TabIndex = 2;
            button1.TabStop = false;
            //
            // tHorizontalSeparator1
            //
            tHorizontalSeparator1.Anchor = AnchorStyles.Bottom | AnchorStyles.Left | AnchorStyles.Right;
            tHorizontalSeparator1.AutoScrollMargin = new System.Drawing.Size(0, 0);
            tHorizontalSeparator1.AutoScrollMinSize = new System.Drawing.Size(0, 0);
            tHorizontalSeparator1.BackColor = System.Drawing.Color.Transparent;
            tHorizontalSeparator1.Location = new System.Drawing.Point(10, 437);
            tHorizontalSeparator1.Margin = new Padding(0, 10, 0, 0);
            tHorizontalSeparator1.MaximumSize = new System.Drawing.Size(4920, 2);
            tHorizontalSeparator1.MinimumSize = new System.Drawing.Size(0, 22);
            tHorizontalSeparator1.Name = "tHorizontalSeparator1";
            tHorizontalSeparator1.Size = new System.Drawing.Size(424, 22);
            tHorizontalSeparator1.TabIndex = 188;
            tHorizontalSeparator1.TabStop = false;
            //
            // 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, 65);
            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, 98);
            label2.Margin = new Padding(0);
            label2.Name = "label2";
            label2.Padding = new Padding(0, 8, 0, 0);
            label2.Size = new System.Drawing.Size(289, 23);
            label2.TabIndex = 195;
            label2.Text = "Attempt to retrieve supported icons from bookmarks.";
            label2.TextAlign = System.Drawing.ContentAlignment.MiddleLeft;
            //
            // pictureBox2
            //
            pictureBox2.Anchor = AnchorStyles.Bottom | AnchorStyles.Right;
            pictureBox2.BackColor = System.Drawing.Color.Transparent;
            pictureBox2.ErrorImage = null;
            pictureBox2.InitialImage = null;
            pictureBox2.Location = new System.Drawing.Point(261, 171);
            pictureBox2.Name = "pictureBox2";
            pictureBox2.Size = new System.Drawing.Size(32, 32);
            pictureBox2.SizeMode = PictureBoxSizeMode.CenterImage;
            pictureBox2.TabIndex = 202;
            pictureBox2.TabStop = false;
            //
            // pickerBox1
            //
            pickerBox1.AcceptButton = null;
            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, 21);
            pickerBox1.Margin = new Padding(10, 10, 10, 0);
            pickerBox1.Name = "pickerBox1";
            pickerBox1.Padding = new Padding(4, 4, 3, 3);
            pickerBox1.SelectedIndex = 1;
            pickerBox1.Size = new System.Drawing.Size(84, 35);
            pickerBox1.TabIndex = 0;
            pickerBox1.TabStop = false;
            pickerBox1.Value = true;
            //
            // button2
            //
            button2.AcceptButton = null;
            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, 171);
            button2.Margin = new Padding(10, 10, 10, 0);
            button2.Name = "button2";
            button2.Padding = new Padding(4, 4, 3, 3);
            button2.Size = new System.Drawing.Size(128, 32);
            button2.TabIndex = 1;
            button2.TabStop = false;
            button2.MouseClick += button2_MouseClick;
            //
            // progressBar1
            //
            progressBar1.AcceptButton = null;
            progressBar1.Anchor = AnchorStyles.Top | AnchorStyles.Left | AnchorStyles.Right;
            progressBar1.BackColor = System.Drawing.Color.Transparent;
            progressBar1.BarColour = System.Drawing.Color.FromArgb(86, 81, 157);
            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, 141);
            progressBar1.Margin = new Padding(10, 10, 10, 0);
            progressBar1.Maximum = 100;
            progressBar1.Minimum = 0;
            progressBar1.Name = "progressBar1";
            progressBar1.Padding = new Padding(4, 4, 3, 3);
            progressBar1.ProgressText = "50/100";
            progressBar1.ShowProgressText = true;
            progressBar1.Size = new System.Drawing.Size(424, 20);
            progressBar1.TabIndex = 206;
            progressBar1.TabStop = false;
            progressBar1.Value = 50;
            //
            // UpdateIconsForm
            //
            AutoScaleDimensions = new System.Drawing.SizeF(7F, 15F);
            AutoScaleMode = AutoScaleMode.Font;
            ClientSize = new System.Drawing.Size(444, 521);
            Controls.Add(progressBar1);
            Controls.Add(button2);
            Controls.Add(pickerBox1);
            Controls.Add(pictureBox2);
            Controls.Add(label2);
            Controls.Add(tHorizontalSeparator2);
            Controls.Add(tHorizontalSeparator1);
            Controls.Add(button1);
            Controls.Add(label1);
            KeyPreview = true;
            MinimumSize = new System.Drawing.Size(460, 560);
            Name = "UpdateIconsForm";
            Text = "Update Icons";
            ((System.ComponentModel.ISupportInitialize)pictureBox2).EndInit();
            ResumeLayout(false);
            PerformLayout();
        }

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

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

            progressBar1.Minimum = 0;
            progressBar1.Value = 0;
            progressBar1.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.SetValue(pictureBox2, (this.IsBusy ? RyzStudio.Windows.ThemedForms.Resource2.loading_block : null));
                UIControl.SetEnable(button1, !this.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 image = await _webProvider.RetrieveImage(document);
                    if (image == null)
                    {
                        continue;
                    }

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

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

                _requestCancel = false;

                this.IsBusy = false;
            });
        }

    }
}