using System;
using System.Collections.Generic;
using System.Linq;
using System.Numerics;
using System.Text;
using System.Threading.Tasks;
using Vulkan;
using Veldrid.SPIRV;
using System.Diagnostics;
using System.Drawing;

namespace Veldrid.Common
{

    public sealed partial class VeldridContent: IDisposable
    {
        public Axis.LineAxis AddLineAxis()
        {
            Axis.LineAxis lineAxis = new Axis.LineAxis(this);
            lineAxis.CreateResources();
            renders.Add(lineAxis);
            return lineAxis;
        }
        public Vector2 WindowScale { get; set; } = Vector2.One;
        public ImagesRender AddImages(BitmapData bitmapData, SizeF cursorsize, SizeF gridsize)
        {
            ImagesRender imagesRender = new ImagesRender(this,bitmapData,cursorsize,gridsize);
            imagesRender.CreateResources();
            renders.Add(imagesRender);
            return imagesRender;
        }
        public VeldridText AddText(Boolean supportbackColor = false, Boolean supportbackTransparent = true)
        {
            VeldridText text = new VeldridText(this,supportbackColor,supportbackTransparent);
            text.CreateResources();
            renders.Add(text);
            return text;
        }
        public MutiText AddMutiText(Boolean supportbackColor = false, Boolean supportbackTransparent = true)
        {
            MutiText text = new MutiText(this, supportbackColor, supportbackTransparent);
            text.CreateResources();
            renders.Add(text);
            return text;
        }
        public Plot.LineSeries AddLineSeries()
        {
            Plot.LineSeries series = new Plot.LineSeries(this);
            series.CreateResources();
            renders.Add(series);
            return series;
        }
        public Plot.DataReViewPlot AddReviewPlot()
        {
            Plot.DataReViewPlot plot= new Plot.DataReViewPlot(this);
            plot.CreateResources();
            renders.Add(plot);
            return plot;
        }
        public Legend.Legend AddLegend()
        {
            Legend.Legend legend = new Legend.Legend(this); 
            legend.CreateResources();
            renders.Add(legend);
            return legend;
        }
        private List<BaseVeldridRender> renders = new List<BaseVeldridRender>();
       
        private VeldridText text;
        internal GraphicsManger GraphicsManger { get;  }
        private bool disposedValue;
        public VeldridContent(GraphicsDevice device)
        {
            GraphicsManger = new GraphicsManger(device);
       
            text = new VeldridText(this,true,false);
            text.Margin = new Padding(40, 10, 10, 20);
            text.CreateResources();
            text.FontSize = 14;
            text.Color = System.Drawing.Color.White;
            text.Local = new System.Drawing.PointF(text.Range.MinX+20, text.Range.MinY+40);
            text.VerticalAlignment = VerticalAlignment.Bottom;
            text.HorizontalAlignment = HorizontalAlignment.Left;
        }


        public RgbaFloat BackColor = RgbaFloat.Black;
        private object locker= new object();
        public void Resize(uint width,uint height)
        {
            GraphicsManger.Device.ResizeMainWindow(width,height);
            renders.ForEach(x => x.Resize());
            text?.Resize();
        }
        public uint Width => GraphicsManger.Device.SwapchainFramebuffer.Width;
        public uint Height=>GraphicsManger.Device.SwapchainFramebuffer.Height;
        public void Render(bool runtimeplot = true)
        {
            lock (locker)
            {
                Stopwatch stopwatch = new Stopwatch();
                stopwatch.Start();
                GraphicsManger.CommandList.Begin();
                GraphicsManger.CommandList.SetFramebuffer(GraphicsManger.Device.MainSwapchain.Framebuffer);
                GraphicsManger.CommandList.ClearColorTarget(0, BackColor);
                renders.ForEach(x => x?.Draw());
                text?.Draw();
                GraphicsManger.CommandList.End();
                GraphicsManger.Device.SubmitCommands(GraphicsManger.CommandList);
                GraphicsManger.Device.SwapBuffers();
                GraphicsManger.Device.WaitForIdle();
                stopwatch.Stop();
                if (text != null) text.Text = string.Format("{0:f2}FPS", 1000 / stopwatch.Elapsed.TotalMilliseconds);
            }
        }
        private void Dispose(bool disposing)
        {
            if (!disposedValue)
            {
                if (disposing)
                {
                    renders.ForEach(x => x?.DisposeResources());
                    GraphicsManger?.Dispose();
                    // TODO: 释放托管状态(托管对象)
                }

                // TODO: 释放未托管的资源(未托管的对象)并重写终结器
                // TODO: 将大型字段设置为 null
                disposedValue = true;
            }
        }

        // // TODO: 仅当“Dispose(bool disposing)”拥有用于释放未托管资源的代码时才替代终结器
        // ~VeldridContent()
        // {
        //     // 不要更改此代码。请将清理代码放入“Dispose(bool disposing)”方法中
        //     Dispose(disposing: false);
        // }

        public void Dispose()
        {
            // 不要更改此代码。请将清理代码放入“Dispose(bool disposing)”方法中
            Dispose(disposing: true);
            GC.SuppressFinalize(this);
        }

    }
}