using System.Speech.Synthesis;

namespace EC.AutoWeightServer.IfManager.Speech
{
	public class SpeakManager
	{
		private SpeechSynthesizer _curSpeech;

		public SpeakManager()
		{
		}

		#region Start & Stop Server

		/// <summary>
		/// 开启连接
		/// </summary>
		/// <returns></returns>
		public void StartServer()
		{
			_curSpeech = new SpeechSynthesizer
			{
				Volume = 100,//音量 [0, 100]
				Rate = 0//语速 [-10, 10]
			};
		}

		public void ReStartServer()
		{
			StopServer();
			StartServer();
		}

		/// <summary>
		/// 关闭连接
		/// </summary>
		/// <returns></returns>
		public void StopServer()
		{
			if (!IsOpen())
				return;
			_curSpeech.Pause();
			_curSpeech.Dispose();
			_curSpeech = null;
		}

		#endregion Start & Stop Server

		#region Tool Methods

		/// <summary>
		/// </summary>
		public void Speak(string text)
		{
			if (!IsOpen())
				return;
			_curSpeech.Speak(text);
		}

		public void SpeakAsync(string text, bool cancelAll = true)
		{
			if (cancelAll)
				_curSpeech.SpeakAsyncCancelAll();
			_curSpeech.SpeakAsync(text);
		}

		public bool IsOpen()
		{
			return _curSpeech != null;
		}

		#endregion Tool Methods
	}
}