package com.demo.lib.common.emotion;

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.util.LinkedHashMap;
import java.util.Map;

import org.json.JSONArray;
import org.json.JSONException;
import org.json.JSONObject;

import android.content.Context;
import android.util.Log;

public class EmotionHandler {

    public static Map<String,String> faceMap = new LinkedHashMap<String,String>();
    
    private static void prepareFaceMap(String arg) {
        try {
            JSONObject root = new JSONObject(arg);
            JSONArray array = root.getJSONArray("emotions");
            if(array == null || array.length() == 0)
                return;
            for(int i=0; i < array.length(); i ++) {
                JSONObject pair = array.getJSONObject(i);
                faceMap.put(pair.optString("emotionString"), pair.optString("fileName"));
            }
            
        } catch (JSONException e) {
            Log.e("error", e.getMessage());
        }
        
        
    }

    public static void initEmotion(Context context) {
        InputStream is;
        try {
            is = context.getAssets().open("emotion_des.txt");
            BufferedReader br = new BufferedReader(new InputStreamReader(is));
            StringBuilder sbr = new StringBuilder();
            String str;
            while((str = br.readLine())!= null) {
                sbr.append(str);
            }
            prepareFaceMap(sbr.toString());
        } catch (IOException e) {
            Log.e("error", e.getMessage());
        }
    }
}