using FastReport.Design.PageDesigners.Dialog;
using FastReport.Utils;
using System.ComponentModel;
using System.Drawing;
using System.Drawing.Drawing2D;
using System.Windows.Forms;

namespace FastReport.Design.RibbonDesigner
{
    /// <summary>
    /// Represents the Ribbon report designer.
    /// </summary>
    /// <remarks>
    /// This control extends the <see cref="FastReport.Design.Designer"/> control with 
    /// standard menu, status bar, and Ribbon.
    /// </remarks>
    [ToolboxItem(true), ToolboxBitmap(typeof(Report), "Resources.DesignerControl.bmp")]
    public partial class DesignerControl : Designer
    {
        #region Fields
        private StandardDesigner.DesignerMenu mainMenu;
        private StandardDesigner.DesignerStatusBar statusBar;
        private Ribbon ribbon;
        private Panel ribbonPanel;

        private bool showMainMenu;
        private bool showStatusBar;
        #endregion

        #region Properties
        /// <summary>
        /// Gets the main menu.
        /// </summary>
        [Browsable(false), DesignerSerializationVisibility(DesignerSerializationVisibility.Hidden)]
        public StandardDesigner.DesignerMenu MainMenu
        {
            get { return mainMenu; }
        }

        /// <summary>
        /// Gets or sets a value indicating whether the main menu should be displayed or not.
        /// </summary>
        [SRCategory("Toolbars")]
        [DefaultValue(true)]
        public bool ShowMainMenu
        {
            get { return showMainMenu; }
            set
            {
                showMainMenu = value;
                mainMenu.Visible = value;
            }
        }

        /// <summary>
        /// Gets or sets a value indicating whether the status bar should be displayed or not.
        /// </summary>
        [SRCategory("Toolbars")]
        [DefaultValue(true)]
        public bool ShowStatusBar
        {
            get { return showStatusBar; }
            set
            {
                showStatusBar = value;
                statusBar.Visible = value;
            }
        }
        #endregion

        #region Private Methods
        private void ribbonPanel_Paint(object sender, PaintEventArgs e)
        {
            var ct = UIStyleUtils.GetColorTable(UIStyle);
            Rectangle rect = new Rectangle(0, 0, ribbonPanel.Width, ribbonPanel.Height);
            using (var brush = new LinearGradientBrush(rect, ct.Ribbon.GradientBegin, ct.Ribbon.GradientEnd, LinearGradientMode.Vertical))
                e.Graphics.FillRectangle(brush, rect);
        }
        #endregion

        #region Protected Methods
        /// <inheritdoc/>
        protected override void InitPlugins()
        {
            base.InitPlugins();

            ribbonPanel = new Panel();
            ribbonPanel.Dock = DockStyle.Top;
            ribbonPanel.Paint += ribbonPanel_Paint;
            Controls.Add(ribbonPanel);

            var shadow = ribbonPanel.SetShadow(DockStyle.Bottom);
            UIStyleChanged += (s,e) => shadow.Color = UIStyleUtils.GetColorTable(UIStyle).Ribbon.BorderColor;

            mainMenu = new StandardDesigner.DesignerMenu(this);
            statusBar = new StandardDesigner.DesignerStatusBar(this);

            ribbon = new Ribbon(this);
            ribbon.AddQuickAccessControls(mainMenu);
            ribbonPanel.Controls.Add(ribbon);

            Plugins.AddRange(new IDesignerPlugin[] {
                mainMenu, statusBar });
        }
        #endregion

        #region Public Methods
        /// <inheritdoc/>
        public override void ShowStatus(string location, string size, string text, string locationRightBot)
        {
            statusBar.UpdateLocationAndSize(location, size, locationRightBot);
            statusBar.UpdateText(text);
        }

        /// <inheritdoc/>
        public override void UpdateUIStyle()
        {
            base.UpdateUIStyle();
            ribbon.UpdateUIStyle(UIStyle);
            ribbonPanel.Refresh();
        }

        /// <inheritdoc/>
        public override void UpdateDpiDependencies(object sender)
        {
            base.UpdateDpiDependencies(sender);
            ribbonPanel.Height = this.LogicalToDevice(90);
        }

        internal void UpdateFirstDialogPage()
        {
            // WPF bug: designer workspace is not initialized if the dialog form is the first page in a report (reason: visible designer form is needed)
            if (ActiveReportTab != null && ActiveReportTab.ActivePageDesigner is DialogPageDesigner pd)
                pd.UpdateDpiDependencies();
        }
        #endregion

        /// <summary>
        /// Initializes a new instance of the <see cref="DesignerControl"/> class with default settings.
        /// </summary>
        public DesignerControl()
        {
            ShowMainMenu = true;
            ShowStatusBar = true;
        }
    }
}