package com.example.xunfeirecognize;

import org.json.JSONArray;
import org.json.JSONObject;
import org.json.JSONTokener;

import android.util.Log;

/**
 * Json结果解析类
 */
public class JsonParser {

	public static String parseIatResult(String json) {
		StringBuffer ret = new StringBuffer();
		try {
			JSONTokener tokener = new JSONTokener(json);
			JSONObject joResult = new JSONObject(tokener);

			JSONArray words = joResult.getJSONArray("ws");
			for (int i = 0; i < words.length(); i++) {
				// 转写结果词，默认使用第一个结果
				JSONArray items = words.getJSONObject(i).getJSONArray("cw");
				JSONObject obj = items.getJSONObject(0);
				ret.append(obj.getString("w"));
//				如果需要多候选结果，解析数组其他字段
//				for(int j = 0; j < items.length(); j++)
//				{
//					JSONObject obj = items.getJSONObject(j);
//					ret.append(obj.getString("w"));
//				}
			}
		} catch (Exception e) {
			e.printStackTrace();
		} 
		return ret.toString();
	}
	
	public static String parseGrammarResult(String json) {
		StringBuffer ret = new StringBuffer();
		try {
			JSONTokener tokener = new JSONTokener(json);
			JSONObject joResult = new JSONObject(tokener);

			JSONArray words = joResult.getJSONArray("ws");
			for (int i = 0; i < words.length(); i++) {
				JSONArray items = words.getJSONObject(i).getJSONArray("cw");
				for(int j = 0; j < items.length(); j++)
				{
					JSONObject obj = items.getJSONObject(j);
					if(obj.getString("w").contains("nomatch"))
					{
						ret.append("没有匹配结果.");
						return ret.toString();
					}
					ret.append("【结果】" + obj.getString("w"));
					ret.append("【置信度】" + obj.getInt("sc"));
					ret.append("\n");
				}
			}
		} catch (Exception e) {
			e.printStackTrace();
			ret.append("没有匹配结果.");
		} 
		return ret.toString();
	}
	
	public static String parseLocalGrammarResult(String json) {
		StringBuffer ret = new StringBuffer();
		try {
			JSONTokener tokener = new JSONTokener(json);
			JSONObject joResult = new JSONObject(tokener);

			JSONArray words = joResult.getJSONArray("ws");
			for (int i = 0; i < words.length(); i++) {
				JSONArray items = words.getJSONObject(i).getJSONArray("cw");
				for(int j = 0; j < items.length(); j++)
				{
					JSONObject obj = items.getJSONObject(j);
					if(obj.getString("w").contains("nomatch"))
					{
						ret.append("没有匹配结果.");
						return ret.toString();
					}
					ret.append("【结果】" + obj.getString("w"));
					ret.append("\n");
				}
			}
			ret.append("【置信度】" + joResult.optInt("sc"));

		} catch (Exception e) {
			e.printStackTrace();
			ret.append("没有匹配结果.");
		} 
		return ret.toString();
	}

	public static String parseTransResult(String json,String key) {
		StringBuffer ret = new StringBuffer();
		try {
			JSONTokener tokener = new JSONTokener(json);
			JSONObject joResult = new JSONObject(tokener);
			String errorCode = joResult.optString("ret");
			if(!errorCode.equals("0")) {
				return joResult.optString("errmsg");
			}
			JSONObject transResult = joResult.optJSONObject("trans_result");
			ret.append(transResult.optString(key));
			/*JSONArray words = joResult.getJSONArray("results");
			for (int i = 0; i < words.length(); i++) {
				JSONObject obj = words.getJSONObject(i);
				ret.append(obj.getString(key));
			}*/
		} catch (Exception e) {
			e.printStackTrace();
		}
		return ret.toString();
	}
}