package com.stylefeng.guns.modular.system.controller.util;



import com.google.cloud.texttospeech.v1.*;
import com.google.protobuf.ByteString;

import java.io.FileOutputStream;
import java.io.OutputStream;

/**
 * Google语音合成工具
 * @author zhibing.pu
 * @Date 2024/7/11 9:09
 */
public class TextToSpeechUtil {
	
	
	/**
	 * 合成音频文件
	 * @param languageCode  语言编号
	 * @param text  合成文本
	 * @param fileName  音频文件名称
	 * @throws Exception
	 */
	public static String create(String languageCode, String text, String fileName) throws Exception {
		// Instantiates a client
		try (TextToSpeechClient textToSpeechClient = TextToSpeechClient.create()) {
			// Set the text input to be synthesized
			SynthesisInput input = SynthesisInput.newBuilder().setText(text).build();
			
			// Build the voice request, select the language code ("en-US") and the ssml voice gender
			// ("neutral")
			VoiceSelectionParams voice =
					VoiceSelectionParams.newBuilder()
							.setLanguageCode(languageCode)
							.setSsmlGender(SsmlVoiceGender.MALE)
							.build();
			
			// Select the type of audio file you want returned
			AudioConfig audioConfig =
					AudioConfig.newBuilder().setAudioEncoding(AudioEncoding.MP3).build();
			
			// Perform the text-to-speech request on the text input with the selected voice parameters and
			// audio file type
			SynthesizeSpeechResponse response =
					textToSpeechClient.synthesizeSpeech(input, voice, audioConfig);
			
			// Get the audio contents from the response
			ByteString audioContents = response.getAudioContent();
			
			// Write the response to the output file.
			try (OutputStream out = new FileOutputStream("/home/igotechgh/nginx/html/files/audio/" + fileName)) {
				out.write(audioContents.toByteArray());
				return "https://igo.i-go.group/files/audio/" + fileName;
			}catch (Exception e){
				e.printStackTrace();
			}
			return null;
		}
	}
}