using System;
using System.Drawing;
using System.Windows.Forms;
using ACS.SPiiPlusNET;
using Telerik.WinControls.UI;

namespace HexcalMC
{
	public partial class DemoShow : RadForm
	{
		public enum DemoStatus
		{
			NotStarted, // 未演示
			InProgress, // 演示中
			Completed, // 演示完成
			Error // 演示出错
		}

		private readonly Api _motionApi;

		public DemoShow(Api mothionApi)
		{
			InitializeComponent();

			if (mothionApi == null)
			{
				throw new ArgumentNullException("运动平台未连接");
			}

			_motionApi = mothionApi;
			Status = DemoStatus.NotStarted;
		}

		public DemoStatus Status { get; set; }
		public TimeSpan TotalDuration { get; set; }

		private void btn_StartShow_Click(object sender, EventArgs e)
		{
			if (_motionApi == null)
			{
				MessageBox.Show("Motion API is not initialized.", "提示", MessageBoxButtons.OK,
					MessageBoxIcon.Information);
				return;
			}

			//判断通讯状态
			if (!_motionApi.IsConnected)
			{
				//连接失败
				MessageBox.Show("请先点击连接运动平台", "提示", MessageBoxButtons.OK,
					MessageBoxIcon.Information);
				return;
			}

			//判断是否在演示中
			if (Status == DemoStatus.InProgress)
			{
				MessageBox.Show("演示正在进行中，请先停止演示","提示", MessageBoxButtons.OK,
					MessageBoxIcon.Information);
			}


			//运行演示
			try
			{
				_motionApi.RunBuffer(ProgramBuffer.ACSC_BUFFER_12, null);
				Status = DemoStatus.InProgress;
			}
			catch (Exception exception)
			{
				MessageBox.Show("运行演示失败：" + exception.Message, "提示", MessageBoxButtons.OK,
					MessageBoxIcon.Information);
				Status = DemoStatus.Error;
				throw;
			}
		}

		private void btn_StopShow_Click(object sender, EventArgs e)
		{
			if (_motionApi == null)
			{
				MessageBox.Show("Motion API is not initialized.", "提示", MessageBoxButtons.OK,
					MessageBoxIcon.Information);
				return;
			}

			if (!_motionApi.IsConnected)
			{
				MessageBox.Show("请先点击连接运动平台", "提示", MessageBoxButtons.OK,
					MessageBoxIcon.Information);
				return;
			}

			if (Status != DemoStatus.InProgress)
			{
				MessageBox.Show("演示未开始或已结束", "提示", MessageBoxButtons.OK,
					MessageBoxIcon.Information);
				return;
			}

			try
			{
				_motionApi.StopBuffer(ProgramBuffer.ACSC_BUFFER_12); //停止演示
				Status = DemoStatus.Completed;
			}
			catch (Exception exception)
			{
				MessageBox.Show("运行演示失败：" + exception.Message, "提示", MessageBoxButtons.OK,
					MessageBoxIcon.Information);
				throw;
			}
		}

		private void timer_UI_Tick(object sender, EventArgs e)
		{
			lable_showstatus.Text = Status.ToString();

			switch (Status)
			{
				case DemoStatus.NotStarted:
					lable_showstatus.ForeColor = Color.Black;
					lable_showstatus.Text = "未演示";
					break;
				case DemoStatus.InProgress:
					lable_showstatus.ForeColor = Color.Blue;
					lable_showstatus.Text = "演示中";
					break;
				case DemoStatus.Completed:
					lable_showstatus.ForeColor = Color.Green;
					lable_showstatus.Text = "演示完成";
					break;
				case DemoStatus.Error:
					lable_showstatus.ForeColor = Color.Red;
					lable_showstatus.Text = "演示出错";
					break;
			}
		}

		private void DemoShow_Load(object sender, EventArgs e)
		{
			timer_UI.Start();
		}

		private void DemoShow_FormClosing(object sender, FormClosingEventArgs e)
		{
			timer_UI.Stop();
		}
	}
}