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/*
 * Copyright 2015 Alibaba Group Holding Limited
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.alibaba.nls.client.protocol.asr;

import com.alibaba.fastjson.JSON;
import com.alibaba.fastjson.JSONArray;
import com.alibaba.fastjson.JSONObject;
import com.alibaba.nls.client.protocol.SpeechResProtocol;

import java.util.List;

/**
 * @author zhishen.ml
 * @date 2018/05/24
 * 
 * 长语音的识别结果
 */
public class SpeechTranscriberResponse extends SpeechResProtocol {

    public static class Word {

        /**
         * 识别结果
         */
        public String text;

        /**
         * 词语在断句中的开始时间 单位毫秒
         */
        public Long startTime;

        /**
         * 词语在断句中的结束时间 单位毫秒
         */
        public Long endTime;

        public Integer type;

        public Boolean fixed;

        public String punc;

        public String speakerId;

        public String getText() {
            return this.text;
        }

        public Long getStartTime() {
            return startTime;
        }

        public Long getEndTime() {
            return endTime;
        }

        public Integer getType() {
            return type;
        }

        public Boolean getFixed() { return fixed; }

        public String getPunc() { return punc; }

        public String getSpeakerId() { return speakerId; }

        @Override
        public String toString() {
            return JSON.toJSONString(this);
        }
    }

    public static class StashResult {

        public Integer sentenceId;

        public Integer beginTime;

        public Integer currentTime;

        public String text;

        public String fixedText;

        public String unfixedText;

        public Integer type;

        public List words;

        public Integer getSentenceId() {
            return this.sentenceId;
        }

        public Integer getBeginTime() {
            return this.beginTime;
        }

        public Integer getCurrentTime() {
            return this.currentTime;
        }

        public String getText() {
            return this.text;
        }

        public String getFixedText() {
            return this.fixedText;
        }

        public String getUnfixedText() {
            return this.unfixedText;
        }

        public Integer getType() {
            return this.type;
        }

        @Deprecated
        public List getWordList() {
            return words;
        }

        public List getWords() {
            return words;
        }

        @Override
        public String toString() {
            return JSON.toJSONString(this);
        }
    }

    /**
     * 句子的index
     *
     * @return
     */
    public Integer getTransSentenceIndex() {
        return (Integer)payload.get("index");
    }

    /**
     * 当前已处理的音频时长，单位是毫秒
     *
     * @return
     */
    public Integer getTransSentenceTime() {
        return (Integer)payload.get("time");
    }

    /**
     * 结果置信度,0.0-1.0 值越大置信度越高
     *
     * @return
     */
    public Double getConfidence() {
        Object o = payload.get("confidence");
        if (o != null) {
            return Double.parseDouble(o.toString());
        }
        return null;
    }

    /**
     * sentenceBegin事件对应的时间
     *
     * @return
     */
    public Integer getSentenceBeginTime() {
        return (Integer)payload.get("begin_time");
    }

    /**
     * 最终识别结果
     *
     * @return
     */
    public String getTransSentenceText() {
        return (String)payload.get("result");
    }

    /**
     * 获取fixed的识别结果
     *
     * @return
     */
    public String getTransSentenceFixedText() { return (String)payload.get("fixed_result"); }

    /**
     * 获取unfixed的识别结果
     *
     * @return
     */
    public String getTransSentenceUnfixedText() { return (String)payload.get("unfixed_result"); }

    /**
     * 获取说话人id， 若无则返回null，仅在SentenceEnd时有效
     */
     public String getSpeakerId() {
        return payload.containsKey("speaker_id") ? (String) payload.get("speaker_id") : null;
     }

    /**
     * 获取分词的词语.仅当enable_words=true时有效
     *
     * @return
     */
    public List getWords() {
        JSONArray words = (JSONArray)payload.get("words");
        if (words != null) {
            return JSON.parseArray(words.toString(), Word.class);
        }
        return null;
    }

    public StashResult getStashResult() {
        JSONObject obj = (JSONObject)payload.get("stash_result");
        if (obj != null) {
            return JSON.parseObject(obj.toString(), StashResult.class);
        }
        return null;
    }
}