package net.curisit.securis.db;

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

import javax.persistence.Column;
import javax.persistence.Entity;
import javax.persistence.EntityManager;
import javax.persistence.Id;
import javax.persistence.JoinColumn;
import javax.persistence.ManyToOne;
import javax.persistence.Table;

import net.curisit.integrity.commons.Utils;

import com.fasterxml.jackson.annotation.JsonAutoDetect;
import com.fasterxml.jackson.annotation.JsonIgnore;
import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
import com.fasterxml.jackson.annotation.JsonInclude;
import com.fasterxml.jackson.annotation.JsonInclude.Include;
import com.fasterxml.jackson.annotation.JsonProperty;

/**
 * Entity implementation class for Entity: pack
 * 
 */
@JsonAutoDetect
@JsonInclude(Include.NON_NULL)
@Entity
@Table(name = "blocked_request")
@JsonIgnoreProperties(ignoreUnknown = true)
public class BlockedRequest implements Serializable {

    private static final long serialVersionUID = 1L;

    @Id
    private String hash;

    @Column(name = "request_data")
    @JsonProperty("request_data")
    private String requestData;

    @Column(name = "creation_timestamp")
    @JsonProperty("creation_timestamp")
    private Date creationTimestamp;

    @JsonIgnore
    @ManyToOne
    @JoinColumn(name = "blocked_by")
    private User blockedBy;

    public Date getCreationTimestamp() {
        return creationTimestamp;
    }

    public void setCreationTimestamp(Date creationTimestamp) {
        this.creationTimestamp = creationTimestamp;
    }

    @Override
    public boolean equals(Object obj) {
        if (!(obj instanceof BlockedRequest))
            return false;
        BlockedRequest other = (BlockedRequest) obj;
        return (hash == null && other.hash == null) || hash.equals(other.hash);
    }

    @Override
    public int hashCode() {

        return (hash == null ? 0 : hash.hashCode());
    }

    public String getRequestData() {
        return requestData;
    }

    public void setRequestData(String requestData) {
        this.requestData = requestData;
        this.hash = generateHash(this.requestData);
    }

    public User getBlockedBy() {
        return blockedBy;
    }

    public void setBlockedBy(User blockedBy) {
        this.blockedBy = blockedBy;
    }

    public static String generateHash(String reqData) {
        return (reqData != null ? Utils.sha256(reqData) : null);
    }

    public static boolean isRequestBlocked(String requestData, EntityManager em) {
        String hash = generateHash(requestData);
        BlockedRequest br = em.find(BlockedRequest.class, hash);
        return br != null;
    }

}