package com.genersoft.iot.vmp.media.zlm;

import java.math.BigInteger;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.http.HttpStatus;
import org.springframework.http.ResponseEntity;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.RequestBody;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.ResponseBody;
import org.springframework.web.bind.annotation.RestController;

import com.alibaba.fastjson.JSONObject;
import com.genersoft.iot.vmp.gb28181.transmit.cmd.impl.SIPCommander;

/**    
 * @Description:针对 ZLMediaServer的hook事件监听
 * @author: songww
 * @date:   2020年5月8日 上午10:46:48     
 */
@RestController
@RequestMapping("/hook/zlm")
public class ZLMHttpHookListener {

	private final static Logger logger = LoggerFactory.getLogger(ZLMHttpHookListener.class);
	
	@Autowired
	private SIPCommander cmder;
	
	/**
	 * 流量统计事件，播放器或推流器断开时并且耗用流量超过特定阈值时会触发此事件，阈值通过配置文件general.flowThreshold配置；此事件对回复不敏感。
	 *  
	 */
	@ResponseBody
	@PostMapping(value = "/on_flow_report", produces = "application/json;charset=UTF-8")
	public ResponseEntity<String> onFlowReport(@RequestBody JSONObject json){
		
		if (logger.isDebugEnabled()) {
			logger.debug("ZLM HOOK on_flow_report API调用，参数：" + json.toString());
		}
		// TODO Auto-generated method stub
		
		
		JSONObject ret = new JSONObject();
		json.put("code", 0);
		json.put("msg", "success");
		return new ResponseEntity<String>(ret.toString(),HttpStatus.OK);
	}
	
	/**
	 * 访问http文件服务器上hls之外的文件时触发。
	 *  
	 */
	@ResponseBody
	@PostMapping(value = "/on_http_access", produces = "application/json;charset=UTF-8")
	public ResponseEntity<String> onHttpAccess(@RequestBody JSONObject json){
		
		if (logger.isDebugEnabled()) {
			logger.debug("ZLM HOOK on_http_access API 调用，参数：" + json.toString());
		}
		// TODO Auto-generated method stub
		
		JSONObject ret = new JSONObject();
		json.put("code", 0);
		json.put("err", "");
		json.put("path", "");
		json.put("second", 600);
		return new ResponseEntity<String>(ret.toString(),HttpStatus.OK);
	}
	
	/**
	 * 播放器鉴权事件，rtsp/rtmp/http-flv/ws-flv/hls的播放都将触发此鉴权事件。
	 *  
	 */
	@ResponseBody
	@PostMapping(value = "/on_play", produces = "application/json;charset=UTF-8")
	public ResponseEntity<String> onPlay(@RequestBody JSONObject json){
		
		if (logger.isDebugEnabled()) {
			logger.debug("ZLM HOOK on_play API调用，参数：" + json.toString());
		}
		// TODO Auto-generated method stub
		
		JSONObject ret = new JSONObject();
		json.put("code", 0);
		json.put("msg", "success");
		return new ResponseEntity<String>(ret.toString(),HttpStatus.OK);
	}
	
	/**
	 * rtsp/rtmp/rtp推流鉴权事件。
	 *  
	 */
	@ResponseBody
	@PostMapping(value = "/on_publish", produces = "application/json;charset=UTF-8")
	public ResponseEntity<String> onPublish(@RequestBody JSONObject json){
		
		if (logger.isDebugEnabled()) {
			logger.debug("ZLM HOOK on_publish API调用，参数：" + json.toString());
		}
		// TODO Auto-generated method stub
		
		JSONObject ret = new JSONObject();
		json.put("code", 0);
		json.put("msg", "success");
		json.put("enableHls", true);
		json.put("enableMP4", false);
		json.put("enableRtxp", true);
		return new ResponseEntity<String>(ret.toString(),HttpStatus.OK);
	}
	
	/**
	 * 录制mp4完成后通知事件；此事件对回复不敏感。
	 *  
	 */
	@ResponseBody
	@PostMapping(value = "/on_record_mp4", produces = "application/json;charset=UTF-8")
	public ResponseEntity<String> onRecordMp4(@RequestBody JSONObject json){
		
		if (logger.isDebugEnabled()) {
			logger.debug("ZLM HOOK on_record_mp4 API调用，参数：" + json.toString());
		}
		// TODO Auto-generated method stub
		
		JSONObject ret = new JSONObject();
		json.put("code", 0);
		json.put("msg", "success");
		return new ResponseEntity<String>(ret.toString(),HttpStatus.OK);
	}
	
	/**
	 * rtsp专用的鉴权事件，先触发on_rtsp_realm事件然后才会触发on_rtsp_auth事件。
	 *  
	 */
	@ResponseBody
	@PostMapping(value = "/on_rtsp_realm", produces = "application/json;charset=UTF-8")
	public ResponseEntity<String> onRtspRealm(@RequestBody JSONObject json){
		
		if (logger.isDebugEnabled()) {
			logger.debug("ZLM HOOK on_rtsp_realm API调用，参数：" + json.toString());
		}
		// TODO Auto-generated method stub
		
		JSONObject ret = new JSONObject();
		json.put("code", 0);
		json.put("realm", "");
		return new ResponseEntity<String>(ret.toString(),HttpStatus.OK);
	}
	
	
	/**
	 * 该rtsp流是否开启rtsp专用方式的鉴权事件，开启后才会触发on_rtsp_auth事件。需要指出的是rtsp也支持url参数鉴权，它支持两种方式鉴权。
	 *  
	 */
	@ResponseBody
	@PostMapping(value = "/on_rtsp_auth", produces = "application/json;charset=UTF-8")
	public ResponseEntity<String> onRtspAuth(@RequestBody JSONObject json){
		
		if (logger.isDebugEnabled()) {
			logger.debug("ZLM HOOK on_rtsp_auth API调用，参数：" + json.toString());
		}
		// TODO Auto-generated method stub
		
		JSONObject ret = new JSONObject();
		json.put("code", 0);
		json.put("encrypted", false);
		json.put("passwd", "test");
		return new ResponseEntity<String>(ret.toString(),HttpStatus.OK);
	}
	
	/**
	 * shell登录鉴权，ZLMediaKit提供简单的telnet调试方式，使用telnet 127.0.0.1 9000能进入MediaServer进程的shell界面。
	 *  
	 */
	@ResponseBody
	@PostMapping(value = "/on_shell_login", produces = "application/json;charset=UTF-8")
	public ResponseEntity<String> onShellLogin(@RequestBody JSONObject json){
		
		if (logger.isDebugEnabled()) {
			logger.debug("ZLM HOOK on_shell_login API调用，参数：" + json.toString());
		}
		// TODO Auto-generated method stub
		
		JSONObject ret = new JSONObject();
		json.put("code", 0);
		json.put("msg", "success");
		return new ResponseEntity<String>(ret.toString(),HttpStatus.OK);
	}
	
	/**
	 * rtsp/rtmp流注册或注销时触发此事件；此事件对回复不敏感。
	 *  
	 */
	@ResponseBody
	@PostMapping(value = "/on_stream_changed", produces = "application/json;charset=UTF-8")
	public ResponseEntity<String> onStreamChanged(@RequestBody JSONObject json){
		
		if (logger.isDebugEnabled()) {
			logger.debug("ZLM HOOK on_stream_changed API调用，参数：" + json.toString());
		}
		// TODO Auto-generated method stub
		
		JSONObject ret = new JSONObject();
		json.put("code", 0);
		json.put("msg", "success");
		return new ResponseEntity<String>(ret.toString(),HttpStatus.OK);
	}
	
	/**
	 * 流无人观看时事件，用户可以通过此事件选择是否关闭无人看的流。
	 *  
	 */
	@ResponseBody
	@PostMapping(value = "/on_stream_none_reader", produces = "application/json;charset=UTF-8")
	public ResponseEntity<String> onStreamNoneReader(@RequestBody JSONObject json){
		
		if (logger.isDebugEnabled()) {
			logger.debug("ZLM HOOK on_stream_none_reader API调用，参数：" + json.toString());
		}
		
		BigInteger bigint=new BigInteger(json.getString("stream"), 16);
		int numb=bigint.intValue();
		String ssrc = String.format("%010d", numb); 
		
		cmder.streamByeCmd(ssrc);
		
		JSONObject ret = new JSONObject();
		json.put("code", 0);
		json.put("close", true);
		return new ResponseEntity<String>(ret.toString(),HttpStatus.OK);
	}
	
	/**
	 * 流未找到事件，用户可以在此事件触发时，立即去拉流，这样可以实现按需拉流；此事件对回复不敏感。
	 *  
	 */
	@ResponseBody
	@PostMapping(value = "/on_stream_not_found", produces = "application/json;charset=UTF-8")
	public ResponseEntity<String> onStreamNotFound(@RequestBody JSONObject json){
		
		if (logger.isDebugEnabled()) {
			logger.debug("ZLM HOOK on_stream_not_found API调用，参数：" + json.toString());
		}
		// TODO Auto-generated method stub
		
		JSONObject ret = new JSONObject();
		json.put("code", 0);
		json.put("msg", "success");
		return new ResponseEntity<String>(ret.toString(),HttpStatus.OK);
	}
	
	/**
	 * 服务器启动事件，可以用于监听服务器崩溃重启；此事件对回复不敏感。
	 *  
	 */
	@ResponseBody
	@PostMapping(value = "/on_server_started", produces = "application/json;charset=UTF-8")
	public ResponseEntity<String> onServerStarted(@RequestBody JSONObject json){
		
		if (logger.isDebugEnabled()) {
			logger.debug("ZLM HOOK on_server_started API调用，参数：" + json.toString());
		}
		// TODO Auto-generated method stub
		
		JSONObject ret = new JSONObject();
		json.put("code", 0);
		json.put("msg", "success");
		return new ResponseEntity<String>(ret.toString(),HttpStatus.OK);
	}
}