using System;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Media;
using VMControls.Interface;        // IVmModule
using VMControls.RenderInterface;  // IImageData

namespace Plugins.Vm.Views
{
    /// <summary>VM 画面框的显示结果类型（OK/NG/无）。</summary>
    public enum VmResultType { Null, OK, NG }

    /// <summary>
    /// 单个画面框（镜像 VppWindow 的角色）：标题、状态圆点、图像区。
    /// </summary>
    public partial class VmWindow : UserControl
    {
        public VmWindow()
        {
            InitializeComponent();
        }

        public void SetCaption(string caption)
        {
            if (!Dispatcher.CheckAccess()) { Dispatcher.Invoke(() => SetCaption(caption)); return; }
            CaptionText.Text = caption ?? "";
        }

        public void SetStatusDotVisible(bool visible)
        {
            if (!Dispatcher.CheckAccess()) { Dispatcher.Invoke(() => SetStatusDotVisible(visible)); return; }
            StatusDot.Visibility = visible ? Visibility.Visible : Visibility.Collapsed;
        }

        public void SetLable(VmResultType type)
        {
            if (!Dispatcher.CheckAccess()) { Dispatcher.Invoke(() => SetLable(type)); return; }
            StatusDot.Visibility = Visibility.Visible;
            switch (type)
            {
                case VmResultType.OK: StatusDot.Fill = new SolidColorBrush(Color.FromRgb(0x4C, 0xAF, 0x50)); break;
                case VmResultType.NG: StatusDot.Fill = new SolidColorBrush(Color.FromRgb(0xF4, 0x43, 0x36)); break;
                default: StatusDot.Fill = new SolidColorBrush(Color.FromRgb(0x88, 0x88, 0x88)); break;
            }
        }

        /// <summary>
        /// 刷新图像：用 VM 渲染控件显示。支持传入 VM 模块（IVmModule）或图像数据（IImageData）；
        /// TODO：如需显示 TeamAAS 的 GenImage，在此将其转为 VM 的 IImageData。
        /// </summary>
        public void RefreshImage(object value)
        {
            if (!Dispatcher.CheckAccess()) { Dispatcher.Invoke(() => RefreshImage(value)); return; }
            try
            {
                if (value is IVmModule module)
                    Render.ModuleSource = module;
                else if (value is IImageData img)
                    Render.ImageSource = img;
                Render.UpdateVMResultShow();
            }
            catch { /* 渲染失败不影响流程 */ }
        }

        /// <summary>清空画面显示。</summary>
        public void ClearImage()
        {
            if (!Dispatcher.CheckAccess()) { Dispatcher.Invoke(new Action(ClearImage)); return; }
            try { Render.ClearDisplayView(); } catch { }
        }
    }
}