package com.qxueyou.scc.exercise.model;

import java.io.Serializable;
import java.util.Date;

import javax.persistence.CascadeType;
import javax.persistence.Column;
import javax.persistence.Entity;
import javax.persistence.FetchType;
import javax.persistence.GeneratedValue;
import javax.persistence.Id;
import javax.persistence.JoinColumn;
import javax.persistence.ManyToOne;
import javax.persistence.NamedQuery;
import javax.persistence.Table;
import javax.persistence.Transient;

import org.apache.commons.lang3.StringUtils;
import org.hibernate.annotations.GenericGenerator;
import org.springframework.format.annotation.DateTimeFormat;

import com.fasterxml.jackson.annotation.JsonIgnore;
import com.qxueyou.scc.base.model.ITrace;


/**
 * The persistent class for the exercise_item_answer_u database table.
 * 
 */
@Entity
@Table(name="exercise_item_answer_u")
@NamedQuery(name="ExerciseItemAnswerU.findAll", query="SELECT e FROM ExerciseItemAnswerU e")
public class ExerciseItemAnswerU implements Serializable,ITrace {
	private static final long serialVersionUID = 1L;

	@Id
	@GeneratedValue(generator = "hibernate-uuid")
	@GenericGenerator(name = "hibernate-uuid", strategy = "uuid")
	@Column(name="ANSWER_U_ID", unique=true, nullable=false, length=32)
	private String answerUId;

	@Column(name="ANSWER")
	private String answer;

	@Column(name="CORRECT", length=128)
	private byte correct;
	
	/** 未知 */
	public static final byte CORRECT_UNKNOWN = 2;
	
	/** 正确 */
	public static final byte CORRECT_RIGHT = 1;
	
	/** 错误 */
	public static final byte CORRECT_ERROR = 0;
	
	/** 正确 */
	public static final String CORRECT_RIGHT_STR = "1";
	
	/** 错误 */
	public static final String CORRECT_ERROR_STR = "0";
	
	@Column(name="CREATE_ID", nullable=false, length=32)
	@JsonIgnore
	private String createId;

	@Column(name="CREATE_TIME", nullable=false)
	@DateTimeFormat(pattern = "yyyy-MM-dd HH:mm:ss")
	private Date createTime;

	@Column(name="CREATOR", nullable=false, length=100)
	private String creator;

	@Column(name="DELETE_FLAG", nullable=false)
	@JsonIgnore
	private boolean deleteFlag;

	@Column(name="EXERCISE_ITEM_ID", length=32)
	private String exerciseItemId;

	@Column(name="EXERCISE_RECORD_ID", length=32)
	private String exerciseRecordId;

	@Column(name="UPDATE_ID", length=32)
	@JsonIgnore
	private String updateId;

	@Column(name="UPDATE_TIME", nullable=false)
	@DateTimeFormat(pattern = "yyyy-MM-dd HH:mm:ss")
	@JsonIgnore
	private Date updateTime;

	@Column(name="UPDATOR", length=100)
	@JsonIgnore
	private String updator;

	@Column(name="USER_ID", length=32)
	private String userId;
	
	@Column(name="TEACHER_SCORE",precision=10, scale=2)
	private String  teacherScore;
	
	@ManyToOne(cascade = CascadeType.REFRESH,fetch = FetchType.LAZY)
    @JoinColumn(name = "EXERCISE_ITEM_ID", referencedColumnName="EXERCISE_ID",updatable=false,insertable=false)
	@JsonIgnore
	private ExerciseItem exerciseItem;
	
	@ManyToOne(cascade = CascadeType.REFRESH,fetch = FetchType.LAZY)
    @JoinColumn(name = "EXERCISE_RECORD_ID", referencedColumnName="RECORD_ID",updatable=false,insertable=false)
	@JsonIgnore
	private ExerciseRecord exerciseRecord;
	
	// 用于成绩统计功能  add by zhanglinqing 2015-12-01 
	@Transient 
	private String lastAnswer;  // 修改答案时才有值
	
	//答案转换为文字
	@Transient 
	private String answerValue;
	
	@Transient  
	private int updateStatus;  // 修改答案时才有值
	
	@Transient  
	private String imgPath;//用户头像
	
	//答案为新增
	public static final int STATUS_ADD = 1;
	
	//答案为修改时 上次错误本次修改为正确 统计正确结果 +1
	public static final int STATUS_UPDATE_CORRECT = 2;
	
	//答案为修改时 上次正确本次修改为错误 统计正确结果 -1
	public static final int STATUS_UPDATE_ERROR = 3;
	
	public ExerciseRecord getExerciseRecord() {
		return exerciseRecord;
	}

	public String getImgPath() {
		return imgPath;
	}

	public void setImgPath(String imgPath) {
		this.imgPath = imgPath;
	}

	public void setExerciseRecord(ExerciseRecord exerciseRecord) {
		this.exerciseRecord = exerciseRecord;
	}

	public String getAnswerValue() {
		return StringUtils.isEmpty(answerValue)?answer:answerValue;
	}

	public void setAnswerValue(String answerValue) {
		this.answerValue = answerValue;
	}

	public ExerciseItem getExerciseItem() {
		return exerciseItem;
	}

	public void setExerciseItem(ExerciseItem exerciseItem) {
		this.exerciseItem = exerciseItem;
	}

	public String getAnswerUId() {
		return this.answerUId;
	}

	public void setAnswerUId(String answerUId) {
		this.answerUId = answerUId;
	}

	public String getAnswer() {
		return this.answer;
	}

	public void setAnswer(String answer) {
		this.answer = answer;
	}

	public byte getCorrect() {
		return this.correct;
	}

	public void setCorrect(byte correct) {
		this.correct = correct;
	}

	public String getCreateId() {
		return this.createId;
	}

	public void setCreateId(String createId) {
		this.createId = createId;
	}

	public Date getCreateTime() {
		return this.createTime;
	}

	public void setCreateTime(Date createTime) {
		this.createTime = createTime;
	}

	public String getCreator() {
		return this.creator;
	}

	public void setCreator(String creator) {
		this.creator = creator;
	}

	public boolean getDeleteFlag() {
		return this.deleteFlag;
	}

	public void setDeleteFlag(boolean deleteFlag) {
		this.deleteFlag = deleteFlag;
	}

	public String getExerciseItemId() {
		return this.exerciseItemId;
	}

	public void setExerciseItemId(String exerciseItemId) {
		this.exerciseItemId = exerciseItemId;
	}

	public String getExerciseRecordId() {
		return this.exerciseRecordId;
	}

	public void setExerciseRecordId(String exerciseRecordId) {
		this.exerciseRecordId = exerciseRecordId;
	}

	public String getUpdateId() {
		return this.updateId;
	}

	public void setUpdateId(String updateId) {
		this.updateId = updateId;
	}

	public Date getUpdateTime() {
		return this.updateTime;
	}

	public void setUpdateTime(Date updateTime) {
		this.updateTime = updateTime;
	}

	public String getUpdator() {
		return this.updator;
	}

	public void setUpdator(String updator) {
		this.updator = updator;
	}

	public String getUserId() {
		return this.userId;
	}

	public void setUserId(String userId) {
		this.userId = userId;
	}
	
	public String getLastAnswer() {
		return lastAnswer;
	}

	public void setLastAnswer(String lastAnswer) {
		this.lastAnswer = lastAnswer;
	}
	
	public int getUpdateStatus() {
		return updateStatus;
	}

	public void setUpdateStatus(int updateStatus) {
		this.updateStatus = updateStatus;
	}

	public String getTeacherScore() {
		return teacherScore;
	}

	public void setTeacherScore(String teacherScore) {
		this.teacherScore = teacherScore;
	}
}