package com.iplatform.recvideo;

import com.walker.infrastructure.utils.NumberFormatUtils;

public class SimilarVideoUser implements Comparable<SimilarVideoUser>{

    private long userId;
    private String recommendVideoId;

    private double score = 0;

    // 这个相似视频，对应的源视频图像张数
    private int count = 0;

    public SimilarVideoUser(long userId, String recommendVideoId){
        this.userId = userId;
        this.recommendVideoId = recommendVideoId;
    }

    public void increase(){
        this.count ++;
    }

    public void setScore(double totalScore){
        this.score = totalScore;
    }

    public long getUserId() {
        return userId;
    }

    public String getRecommendVideoId() {
        return recommendVideoId;
    }

    public double getScore() {
        return NumberFormatUtils.scaleAccuracy2(this.score);
    }

    @Override
    public String toString(){
        return new StringBuilder("[recVideoId=").append(this.recommendVideoId)
                .append(", score=").append(this.score)
                .append("]").toString();
    }

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

    @Override
    public boolean equals(Object obj){
        if(obj == null){
            return false;
        }
        if(obj instanceof SimilarVideoUser){
            SimilarVideoUser e = (SimilarVideoUser)obj;
            if(e.recommendVideoId.equals(this.recommendVideoId)){
                return true;
            }
        }
        return false;
    }

    @Override
    public int compareTo(SimilarVideoUser o) {
        return o.count - this.count;
    }
}