package com.iflytek.speech.util;

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

/**
 * 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, String engType) {
        StringBuffer ret = new StringBuffer();
        try {
            JSONTokener tokener = new JSONTokener(json);
            JSONObject joResult = new JSONObject(tokener);

            JSONArray words = joResult.getJSONArray("ws");
            // 云端和本地结果分情况解析
            if ("cloud".equals(engType)) {
                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");
                    }
                }
            } else if ("local".equals(engType)) {
                ret.append("【结果】");
                for (int i = 0; i < words.length(); i++) {
                    JSONObject wsItem = words.getJSONObject(i);
                    JSONArray items = wsItem.getJSONArray("cw");
                    if ("<contact>".equals(wsItem.getString("slot"))) {
                        // 可能会有多个联系人供选择，用中括号括起来，这些候选项具有相同的置信度
                        ret.append("【");
                        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(obj.getString("w")).append("|");
                        }
                        ret.setCharAt(ret.length() - 1, '】');
                    } else {
                        //本地多候选按照置信度高低排序，一般选取第一个结果即可
                        JSONObject obj = items.getJSONObject(0);
                        if (obj.getString("w").contains("nomatch")) {
                            ret.append("没有匹配结果.");
                            return ret.toString();
                        }
                        ret.append(obj.getString("w"));
                    }
                }
                ret.append("【置信度】" + joResult.getInt("sc"));
                ret.append("\n");
            }

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