using FastReport.Controls;
using FastReport.Utils;
using FastReport.Wizards;
using System;
using System.Collections.Generic;
using System.Windows.Forms;

namespace FastReport.Design.RibbonDesigner
{
    internal class RibbonStandardGroup : RibbonGroup
    {
        #region Fields
        public ToolbarNewButton btnNew;
        public ToolbarOpenButton btnOpen;
        public ToolbarButton btnPreview;
        private Timer previewTimer;
        #endregion

        #region Private Methods
        private void UpdateControls()
        {
            btnNew.Enabled = Designer.cmdNew.Enabled;
            btnOpen.Enabled = Designer.cmdOpen.Enabled;
            btnPreview.Enabled = Designer.cmdPreview.Enabled;
        }

        private void btnPreview_Click(object sender, EventArgs e)
        {
            previewTimer.Start();
        }
        #endregion

        #region Protected Methods
        protected override void Dispose(bool disposing)
        {
            if (disposing)
            {
                previewTimer.Dispose();
            }
            base.Dispose(disposing);
        }
        #endregion

        #region Public Methods
        public override void SelectionChanged()
        {
            base.SelectionChanged();
            Throttle.Execute(UpdateControls);
        }

        public override void UpdateContent()
        {
            base.UpdateContent();
            Throttle.Execute(UpdateControls);
        }

        public override void Localize()
        {
            base.Localize();
            MyRes res = new MyRes("Designer,Menu,File");
            Text = Res.Get("Designer,Ribbon,Report");

            SetItemText(btnNew, res.Get("New"));
            SetItemText(btnOpen, res.Get("Open"));
            SetItemText(btnPreview, res.Get("Preview1"));
        }

        public override void UpdateDpiDependencies()
        {
            if (State == GroupState.Collapsed)
                return;

            base.UpdateDpiDependencies();
            btnNew.Image = Designer.GetImage("Ribbon.New.png");
            btnOpen.Image = Designer.GetImage("Ribbon.Open.png");
            btnPreview.Image = Designer.GetImage("Ribbon.Report.png");
        }
        #endregion

        public RibbonStandardGroup(Designer designer) : base(designer)
        {
            Name = "StandardGroup";
            CollapsedImageName = "Ribbon.New.png";
            Priority = GroupPriority.Medium;

            btnNew = new ToolbarNewButton(designer);
            btnNew.MakeBig();
            btnOpen = new ToolbarOpenButton(designer, "btnStdOpen", 1);
            btnOpen.MakeBig();
            btnPreview = new ToolbarButton("btnStdPreview", 3, btnPreview_Click);
            btnPreview.MakeBig(120);

            Panel.AddItems(
                btnNew, btnOpen, btnPreview);

            Localize();
            UpdateDpiDependencies();

            previewTimer = new Timer();
            previewTimer.Interval = 20;
            previewTimer.Tick += (s, e) =>
            {
                previewTimer.Stop();
                Designer.cmdPreview.Invoke(s, e);
            };
        }
    }

    internal class ToolbarNewButton : ToolStripSplitButton, IToolbarItem
    {
        public Designer Designer { get; }
        public bool BeginGroup { get; set; }

        private void btnNew_DropDownOpening(object sender, EventArgs e)
        {
            DropDown.Items.Clear();
            List<ObjectInfo> objects = new List<ObjectInfo>();
            RegisteredObjects.Objects.EnumItems(objects);

            foreach (ObjectInfo info in objects)
            {
                if (info.Object != null)
                {
                    if (info.Object.IsSubclassOf(typeof(EasterEggWizard)))
                        continue;
                    if (info.Object.IsSubclassOf(typeof(WizardBase)) && info.Flags != 1)
                    {
                        var item = new ToolStripMenuItem(Res.TryGet(info.Text)) { Font = DrawUtils.DefaultFont, Tag = info };
                        item.Image = Designer.GetImage(info.ImageIndex);
                        DropDown.Items.Add(item);
                    }
                }
            }
        }

        private void btnNew_DropDownItemClicked(object sender, ToolStripItemClickedEventArgs e)
        {
            DropDown.Close();
            var wizard = Activator.CreateInstance((e.ClickedItem.Tag as ObjectInfo).Object) as WizardBase;
            wizard.Run(Designer);
        }

        private void btnNew_ButtonClick(object sender, EventArgs e)
        {
            new BlankReportWizard().Run(Designer);
        }

        public ToolbarNewButton(Designer designer)
        {
            Designer = designer;
            DropDownOpening += btnNew_DropDownOpening;
            ButtonClick += btnNew_ButtonClick;
            DropDownItemClicked += btnNew_DropDownItemClicked;
        }
    }

    internal class ToolbarPreviewButton : ToolStripSplitButton, IToolbarItem
    {
        public Designer Designer { get; }
        public bool BeginGroup { get; set; }

        public ToolbarPreviewButton(Designer designer)
        {
            Designer = designer;
        }
    }
}