/**
 * Copyright 2017 ZTE Corporation.
 *
 * 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 org.openo.holmes.common.api.stat;

import java.io.Serializable;
import java.io.StringReader;
import java.lang.reflect.Field;
import java.util.Date;
import java.util.HashMap;
import java.util.HashSet;
import java.util.List;
import java.util.Map;
import java.util.Set;
import lombok.Getter;
import lombok.Setter;
import org.jdom.Attribute;
import org.jdom.Element;
import org.jdom.input.SAXBuilder;
import org.jdom.output.XMLOutputter;


@Getter
@Setter
public class Alarm implements AplusData, Cloneable, Serializable {

    public static final byte EVENT_CLEARED_ALARM = 3;

    public static final byte EVENT_CHANGED = 2;

    public static final byte EVENT_CLEARED = 1;

    public static final byte EVENT_RAISED = 0;

    private static final long serialVersionUID = 4520003737132012000L;
    private final static Date clearedServerTime = null;
    private final Map<Integer, Integer> linkIdNodeIdxMap = new HashMap<Integer, Integer>();
    private byte eventType = EVENT_RAISED;
    private long id = 0L;
    private String alarmKey = "";
    private String network = "";
    private String neType = "";
    private String equipType = "";
    private String position1 = "";
    private String subPosition1 = null;
    private String position2 = null;
    private String subPosition2 = null;
    private byte severity = -1;
    private byte alarmType = -1;
    private long probableCause = -1;
    private String specificProblem = null;
    private String additionalText = null;
    private Date raisedTime = new Date();
    private Date raisedServerTime = new Date();
    private Date clearedTime = null;
    private String region = null;
    private String site = null;
    private String aid = null;
    private short systemType = -1;
    private boolean rootAlarmFlag = false;
    private int linkId = -1;
    private int nodeIdx = -1;
    private Set<Integer> linkIds = new HashSet<Integer>();
    private HashMap<String, Integer> priorityMap = new HashMap<String, Integer>();
    private HashMap<String, Integer> rootAlarmTypeMap = new HashMap<String, Integer>();
    private int rootAlarmType = -1;
    private boolean keyAlarmFlag = false;
    private int keyAlarmType = -1;
    private int networkLevel = -1;
    private int linkType = -1;
    private int centerType;

    public static Alarm valueOf(String xmlString) {
        Element element;
        try {
            StringReader sb = new StringReader(xmlString);
            element = new SAXBuilder().build(sb).getRootElement();
            sb.close();
        } catch (Exception e) {
            throw new RuntimeException(e);
        }

        Alarm alarm = new Alarm();
        @SuppressWarnings("unchecked")
        List<Attribute> list = element.getAttributes();
        for (Attribute attr : list) {
            String attrName = attr.getName();
            try {
                Field field = Alarm.class.getDeclaredField(attrName);
                if (!attrName.endsWith("Time")) {
                    String type = field.getType().getSimpleName();
                    if ("byte".equals(type)) {
                        field.set(alarm, Byte.parseByte(attr.getValue()));
                    } else if ("long".equals(type)) {
                        field.set(alarm, Long.parseLong(attr.getValue()));
                    } else if ("String".equals(type)) {
                        field.set(alarm, attr.getValue());
                    } else {
                        throw new RuntimeException("unknow attr type: " + type.toString());
                    }
                } else {
                    Date date = new Date();
                    date.setTime(Long.parseLong(attr.getValue()));
                    field.set(alarm, date);
                }
            } catch (Exception e) {
                throw new RuntimeException(e);
            }
        }

        return alarm;
    }

    public void addLinkIdNodeIdx(int linkId, int index) {
        linkIdNodeIdxMap.put(linkId, index);
    }

    /**
     * Comparison of the location of different links: 999 the same link: the location of the node
     * number less than otherIdIdx in the location of the number (in the otherIdIdx upstream):-1,
     * the same link: the node position number is equal to the number of position in the otherIdIdx
     * (in the same site otherIdIdx):0, the same link: the node location number is greater than the
     * number of locations in otherIdIdx (otherIdIdx) with the site):1,
     */
    public int CompareLinkPosition(Map<Integer, Integer> otherIdIdx) {
        Set<Integer> myIdSet = new HashSet<Integer>();
        myIdSet.addAll(this.linkIdNodeIdxMap.keySet());
        myIdSet.retainAll(otherIdIdx.keySet());

        if (myIdSet.isEmpty()) {
            return 999;
        }

        for (int tempLinkId : myIdSet) {
            return this.linkIdNodeIdxMap.get(tempLinkId) - otherIdIdx.get(tempLinkId);
        }
        return 999;
    }

    public boolean containNode(int linkId, int index) {
       return linkIdNodeIdxMap.containsKey(linkId) && linkIdNodeIdxMap.get(linkId) == index;
    }

    @Override
    public byte getDataType() {
        return APLUS_EVENT;
    }

    @Override
    public String toString() {
        final String nullStr = "<null>";

        Element el = new Element("Alarm");
        el.setAttribute("id", String.valueOf(id));
        el.setAttribute("aid", String.valueOf(aid));
        el.setAttribute("alarmKey", String.valueOf(alarmKey));
        el.setAttribute("eventType", String.valueOf(eventType));
        el.setAttribute("region", region == null ? nullStr : region);
        el.setAttribute("site", site == null ? nullStr : site);
        el.setAttribute("network", network);
        el.setAttribute("neType", neType);
        el.setAttribute("equipType", equipType);
        el.setAttribute("position1", position1);
        el.setAttribute("subPosition1", subPosition1 == null ? nullStr : subPosition1);
        el.setAttribute("position2", position2 == null ? nullStr : position2);
        el.setAttribute("subPosition2", subPosition2 == null ? nullStr : subPosition2);
        el.setAttribute("severity", String.valueOf(severity));
        el.setAttribute("alarmType", String.valueOf(alarmType));
        el.setAttribute("probableCause", String.valueOf(probableCause));
        el.setAttribute("specificProblem", specificProblem == null ? nullStr : specificProblem);
        el.setAttribute("additionalText", additionalText == null ? nullStr : additionalText);
        el.setAttribute("raisedTime", String.valueOf(raisedTime.getTime()));
        el.setAttribute("raisedServerTime", String.valueOf(raisedServerTime.getTime()));
        if (clearedTime != null) {
            el.setAttribute("clearedTime", String.valueOf(clearedTime.getTime()));
        }
        if (clearedServerTime != null) {
            el.setAttribute("clearedServerTime", String.valueOf(clearedServerTime.getTime()));
        }

        return new XMLOutputter().outputString(el);
    }

    @Override
    public int hashCode() {
        return this.getAlarmKey().hashCode();
    }

    @Override
    public boolean equals(Object arg0) {
        if (arg0 == null || !(arg0 instanceof Alarm)) {
            return false;
        }
        return this.alarmKey.equals(((Alarm) arg0).getAlarmKey());
    }

    @Override
    public Object clone() throws CloneNotSupportedException {
        super.clone();

        Alarm alarm = new Alarm();

        alarm.setEventType(this.getEventType());

        alarm.setAid(this.getAid());
        alarm.setId(this.getId());
        alarm.setAlarmKey(this.getAlarmKey());

        alarm.setNetwork(this.getNetwork());
        alarm.setEquipType(this.getEquipType());
        alarm.setNeType(this.getNeType());
        alarm.setPosition1(this.getPosition1());
        alarm.setSubPosition1(this.getSubPosition1());
        alarm.setPosition2(this.getPosition2());
        alarm.setSubPosition2(this.getSubPosition2());
        alarm.setRegion(this.getRegion());
        alarm.setSite(this.getSite());

        alarm.setSeverity(this.getSeverity());
        alarm.setAlarmType(this.getAlarmType());
        alarm.setSystemType(this.getSystemType());
        alarm.setSpecificProblem(this.getSpecificProblem());
        alarm.setAdditionalText(this.getAdditionalText());
        alarm.setProbableCause(this.getProbableCause());

        alarm.setRaisedTime(this.getRaisedTime());
        alarm.setRaisedServerTime(this.getRaisedServerTime());
        alarm.setClearedTime(this.getClearedTime());

        return alarm;
    }

    @Override
    public String getObjectId() {
        return String.valueOf(id);
    }

    public void addLinkIds(int linkId) {
        linkIds.add(linkId);
    }


    public boolean containsPriority(String ruleId) {
        if (priorityMap.keySet().contains(ruleId)) {
            return true;
        }
        return false;
    }

    public int getPriority(String ruleId) {
        Integer priority = this.priorityMap.get(ruleId);
        if (priority == null) {
            priority = 0;
        }
        return priority;
    }

    public int getRootAlarmType(String ruleId) {
        Integer rootAlarmType = this.rootAlarmTypeMap.get(ruleId);
        if (rootAlarmType == null) {
            rootAlarmType = -1;
        }
        return rootAlarmType;
    }

}