using FastReport.Utils;
using System.Windows;
using System.Windows.Forms;

namespace FastReport.Design.RibbonDesigner
{
    internal static class RibbonExtensions
    {
        public static double Measure(this Control c)
        {
            c.control.Measure(new Size(double.PositiveInfinity, double.PositiveInfinity));
            return c.control.DesiredSize.Width;
        }

        public static void AddItems(this Control ctl, params IToolbarItem[] items)
        {
            // convert item.BeginGroup to a separator
            foreach (var item in items)
            {
                if (item.BeginGroup && ctl.Controls.Count > 0)
                    ctl.Controls.Add(new ToolStripSeparator(true));
                ctl.Controls.Add(item as ToolStripItem);
            }
        }

        public static void AddPanels(this Control ctl, params PanelBase[] panels)
        {
            foreach (var panel in panels)
                ctl.Controls.Add(panel);
        }

        public static void UpdateDpiDependencies(this Control ctl)
        {
            ctl.SuspendLayout();

            foreach (var c in ctl.Controls)
            {
                if (c is ToolStripItem item)
                {
                    if (item.ImageIndex != -1)
                        item.Image = ctl.GetImage(item.ImageIndex);
                }
            }

            ctl.ResumeLayout();
        }

        public static void UpdateUIStyle(this Control ctl, UIStyle style)
        {
            var renderer = UIStyleUtils.GetToolStripRenderer(style);
            if (ctl is ToolStripItem item)
                item.ApplyStyle(renderer);
            foreach (Control c in ctl.Controls)
            {
                c.UpdateUIStyle(style);
            }
        }

        public static void MakeBig(this ToolStripButton btn, int maxWidth = 80)
        {
            btn.ImageSize = new System.Drawing.Size(32, 32);
            btn.Vertical = true;
            btn.DisplayStyle = ToolStripItemDisplayStyle.ImageAndText;
            btn.control.VerticalAlignment = VerticalAlignment.Stretch;
            btn.control.VerticalContentAlignment = VerticalAlignment.Stretch;
            btn.control.MaxWidth = maxWidth;
        }

        public static void MakeBig(this ToolStripDropDownButtonBase btn, int maxWidth = 80)
        {
            btn.ImageSize = new System.Drawing.Size(32, 32);
            btn.Vertical = true;
            btn.DisplayStyle = ToolStripItemDisplayStyle.ImageAndText;
            btn.control.VerticalAlignment = VerticalAlignment.Stretch;
            btn.control.VerticalContentAlignment = VerticalAlignment.Stretch;
            btn.control.MaxWidth = maxWidth;
        }

        public static void CollapseTo(this PanelBase panel, ToolbarLayoutDropDownButton button, bool isGroup = true)
        {
            var parent = panel.Parent;
            if (parent == null)
                return;

            int index = parent.Controls.IndexOf(panel);
            if (index != -1)
            {
                parent.Controls.Remove(panel);
                parent.Controls.Add(button);
                parent.Controls.SetChildIndex(button, index);
                button.DropDown.Items.Clear();
                button.DropDown.Items.Add(new ToolStripControlHost(panel));
                panel.control.Margin = new Thickness(10);
                button.control.HorizontalAlignment = System.Windows.HorizontalAlignment.Stretch;
                if (isGroup && parent is RibbonGroup group)
                {
                    button.control.Margin = new Thickness(0, 3, 0, 16);
                    button.Text = group.Caption.Text;
                    group.Caption.Visible = false;
                }
            }
        }

        public static void ExpandTo(this ToolbarLayoutDropDownButton button, PanelBase panel, bool isGroup = true)
        {
            var parent = button.Parent;
            if (parent == null)
                return;

            int index = parent.Controls.IndexOf(button);
            if (index != -1)
            {
                button.DropDown.Items.Clear();
                parent.Controls.Remove(button);
                parent.Controls.Add(panel);
                parent.Controls.SetChildIndex(panel, index);
                panel.control.Margin = new Thickness(0);
                if (isGroup && parent is RibbonGroup group)
                {
                    panel.VerticalAlignment = VerticalAlignment.Center;
                    panel.control.Margin = new Thickness(0, 3, 0, 16);
                    group.Caption.Visible = true;
                }
            }
        }

    }
}