/* 
 * Copyright 2010-2011 Ning, Inc.
 *
 * Ning licenses this file to you 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.ning.billing.entitlement.api.user;

import java.util.UUID;

import org.codehaus.jackson.annotate.JsonCreator;
import org.codehaus.jackson.annotate.JsonIgnore;
import org.codehaus.jackson.annotate.JsonProperty;
import org.joda.time.DateTime;

import com.ning.billing.entitlement.api.SubscriptionTransitionType;
import com.ning.billing.entitlement.api.user.Subscription.SubscriptionState;

public class DefaultSubscriptionEvent implements SubscriptionEvent {

    private final Long totalOrdering;
    private final UUID subscriptionId;
    private final UUID bundleId;
    private final UUID eventId;
    private final DateTime requestedTransitionTime;
    private final DateTime effectiveTransitionTime;
    private final SubscriptionState previousState;
    private final String previousPriceList;
    private final String previousPlan;
    private final String previousPhase;
    private final SubscriptionState nextState;
    private final String nextPriceList;
    private final String nextPlan;
    private final String nextPhase;
    private final Integer remainingEventsForUserOperation;
    private final UUID userToken;
    private final SubscriptionTransitionType transitionType;

    private final DateTime startDate;
    
    public DefaultSubscriptionEvent(final SubscriptionTransitionData in, final DateTime startDate) {
        this(in.getId(),
                in.getSubscriptionId(),
                in.getBundleId(),
                in.getRequestedTransitionTime(),
                in.getEffectiveTransitionTime(),
                in.getPreviousState(),
                (in.getPreviousPlan() != null ) ? in.getPreviousPlan().getName() : null,
                (in.getPreviousPhase() != null) ? in.getPreviousPhase().getName() : null,
                (in.getPreviousPriceList() != null) ? in.getPreviousPriceList().getName() : null,
                in.getNextState(),
                (in.getNextPlan() != null) ? in.getNextPlan().getName() : null,
                (in.getNextPhase() != null) ? in.getNextPhase().getName() : null,
                (in.getNextPriceList() != null) ? in.getNextPriceList().getName() : null,
                in.getTotalOrdering(),
                in.getUserToken(),
                in.getTransitionType(),
                in.getRemainingEventsForUserOperation(),
                startDate);
    }
    
    @JsonCreator
    public DefaultSubscriptionEvent(@JsonProperty("eventId") UUID eventId,
            @JsonProperty("subscriptionId") UUID subscriptionId,
            @JsonProperty("bundleId") UUID bundleId,
            @JsonProperty("requestedTransitionTime") DateTime requestedTransitionTime,
            @JsonProperty("effectiveTransitionTime") DateTime effectiveTransitionTime,
            @JsonProperty("previousState") SubscriptionState previousState,
            @JsonProperty("previousPlan") String previousPlan,
            @JsonProperty("previousPhase") String previousPhase,
            @JsonProperty("previousPriceList") String previousPriceList,
            @JsonProperty("nextState") SubscriptionState nextState,
            @JsonProperty("nextPlan") String nextPlan,
            @JsonProperty("nextPhase") String nextPhase,
            @JsonProperty("nextPriceList") String nextPriceList,
            @JsonProperty("totalOrdering") Long totalOrdering,
            @JsonProperty("userToken") UUID userToken,
            @JsonProperty("transitionType") SubscriptionTransitionType transitionType,
            @JsonProperty("remainingEventsForUserOperation") Integer remainingEventsForUserOperation,
            @JsonProperty("startDate") DateTime startDate) {
        super();
        this.eventId = eventId;
        this.subscriptionId = subscriptionId;
        this.bundleId = bundleId;
        this.requestedTransitionTime = requestedTransitionTime;
        this.effectiveTransitionTime = effectiveTransitionTime;
        this.previousState = previousState;
        this.previousPriceList = previousPriceList;
        this.previousPlan = previousPlan;
        this.previousPhase = previousPhase;
        this.nextState = nextState;
        this.nextPlan = nextPlan;
        this.nextPriceList = nextPriceList;
        this.nextPhase = nextPhase;
        this.totalOrdering = totalOrdering;
        this.userToken = userToken;
        this.transitionType = transitionType;
        this.remainingEventsForUserOperation = remainingEventsForUserOperation;
        this.startDate = startDate;
    }
    
    @JsonIgnore
    @Override
    public BusEventType getBusEventType() {
        return BusEventType.SUBSCRIPTION_TRANSITION;
    }

    @JsonProperty("eventId")
    @Override
    public UUID getId() {
        return eventId;
    }

    @Override
    public UUID getSubscriptionId() {
        return subscriptionId;
    }

    @Override
    public UUID getBundleId() {
        return bundleId;
    }


    @Override
    public SubscriptionState getPreviousState() {
        return previousState;
    }

    @Override
    public String getPreviousPlan() {
        return previousPlan;
    }

    @Override
    public String getPreviousPhase() {
        return previousPhase;
    }

    @Override
    public String getNextPlan() {
        return nextPlan;
    }

    @Override
    public String getNextPhase() {
        return nextPhase;
    }

    @Override
    public SubscriptionState getNextState() {
        return nextState;
    }


    @Override
    public String getPreviousPriceList() {
        return previousPriceList;
    }

    @Override
    public String getNextPriceList() {
        return nextPriceList;
    }
    
    @Override
    public UUID getUserToken() {
        return userToken;
    }
    
    @Override
    public Integer getRemainingEventsForUserOperation() {
        return remainingEventsForUserOperation;
    }


    @Override
    public DateTime getRequestedTransitionTime() {
        return requestedTransitionTime;
    }

    @Override
    public DateTime getEffectiveTransitionTime() {
        return effectiveTransitionTime;
    }

    @Override
    public Long getTotalOrdering() {
        return totalOrdering;
    }

    @Override
    public SubscriptionTransitionType getTransitionType() {
        return transitionType;
    }
    
    @JsonProperty("startDate")
    @Override
    public DateTime getSubscriptionStartDate() {
        return startDate;
    }


    @Override
    public int hashCode() {
        final int prime = 31;
        int result = 1;
        result = prime * result
                + ((bundleId == null) ? 0 : bundleId.hashCode());
        result = prime
                * result
                + ((effectiveTransitionTime == null) ? 0
                        : effectiveTransitionTime.hashCode());
        result = prime * result + ((eventId == null) ? 0 : eventId.hashCode());
        result = prime * result
                + ((nextPhase == null) ? 0 : nextPhase.hashCode());
        result = prime * result
                + ((nextPlan == null) ? 0 : nextPlan.hashCode());
        result = prime * result
                + ((nextPriceList == null) ? 0 : nextPriceList.hashCode());
        result = prime * result
                + ((nextState == null) ? 0 : nextState.hashCode());
        result = prime * result
                + ((previousPhase == null) ? 0 : previousPhase.hashCode());
        result = prime * result
                + ((previousPlan == null) ? 0 : previousPlan.hashCode());
        result = prime
                * result
                + ((previousPriceList == null) ? 0 : previousPriceList
                        .hashCode());
        result = prime * result
                + ((previousState == null) ? 0 : previousState.hashCode());
        result = prime
                * result
                + ((remainingEventsForUserOperation == null) ? 0
                        : remainingEventsForUserOperation.hashCode());
        result = prime
                * result
                + ((requestedTransitionTime == null) ? 0
                        : requestedTransitionTime.hashCode());
        result = prime * result
                + ((subscriptionId == null) ? 0 : subscriptionId.hashCode());
        result = prime * result
                + ((totalOrdering == null) ? 0 : totalOrdering.hashCode());
        result = prime * result
                + ((transitionType == null) ? 0 : transitionType.hashCode());
        result = prime * result
                + ((userToken == null) ? 0 : userToken.hashCode());
        return result;
    }

    @Override
    public boolean equals(Object obj) {
        if (this == obj)
            return true;
        if (obj == null)
            return false;
        if (getClass() != obj.getClass())
            return false;
        DefaultSubscriptionEvent other = (DefaultSubscriptionEvent) obj;
        if (bundleId == null) {
            if (other.bundleId != null)
                return false;
        } else if (!bundleId.equals(other.bundleId))
            return false;
        if (effectiveTransitionTime == null) {
            if (other.effectiveTransitionTime != null)
                return false;
        } else if (effectiveTransitionTime
                .compareTo(other.effectiveTransitionTime) != 0)
            return false;
        if (eventId == null) {
            if (other.eventId != null)
                return false;
        } else if (!eventId.equals(other.eventId))
            return false;
        if (nextPhase == null) {
            if (other.nextPhase != null)
                return false;
        } else if (!nextPhase.equals(other.nextPhase))
            return false;
        if (nextPlan == null) {
            if (other.nextPlan != null)
                return false;
        } else if (!nextPlan.equals(other.nextPlan))
            return false;
        if (nextPriceList == null) {
            if (other.nextPriceList != null)
                return false;
        } else if (!nextPriceList.equals(other.nextPriceList))
            return false;
        if (nextState != other.nextState)
            return false;
        if (previousPhase == null) {
            if (other.previousPhase != null)
                return false;
        } else if (!previousPhase.equals(other.previousPhase))
            return false;
        if (previousPlan == null) {
            if (other.previousPlan != null)
                return false;
        } else if (!previousPlan.equals(other.previousPlan))
            return false;
        if (previousPriceList == null) {
            if (other.previousPriceList != null)
                return false;
        } else if (!previousPriceList.equals(other.previousPriceList))
            return false;
        if (previousState != other.previousState)
            return false;
        if (remainingEventsForUserOperation == null) {
            if (other.remainingEventsForUserOperation != null)
                return false;
        } else if (!remainingEventsForUserOperation
                .equals(other.remainingEventsForUserOperation))
            return false;
        if (requestedTransitionTime == null) {
            if (other.requestedTransitionTime != null)
                return false;
        } else if (requestedTransitionTime
                .compareTo(other.requestedTransitionTime) != 0)
            return false;
        if (subscriptionId == null) {
            if (other.subscriptionId != null)
                return false;
        } else if (!subscriptionId.equals(other.subscriptionId))
            return false;
        if (totalOrdering == null) {
            if (other.totalOrdering != null)
                return false;
        } else if (!totalOrdering.equals(other.totalOrdering))
            return false;
        if (transitionType != other.transitionType)
            return false;
        if (userToken == null) {
            if (other.userToken != null)
                return false;
        } else if (!userToken.equals(other.userToken))
            return false;
        return true;
    }
    
}
