/*
 * Copyright (c) 2018. Developed by Hedgecode.
 *
 * 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.hedgecode.chess.domain;

import java.math.BigInteger;
import java.util.Date;

import javax.persistence.Column;
import javax.persistence.Entity;
import javax.persistence.FetchType;
import javax.persistence.GeneratedValue;
import javax.persistence.GenerationType;
import javax.persistence.Id;
import javax.persistence.JoinColumn;
import javax.persistence.Lob;
import javax.persistence.ManyToOne;
import javax.persistence.NamedQueries;
import javax.persistence.NamedQuery;
import javax.persistence.Table;
import javax.persistence.Temporal;
import javax.persistence.TemporalType;
import javax.persistence.Transient;

import org.hedgecode.chess.position.Position;

/**
 *
 *
 * @author Dmitry Samoshin aka gotty
 */
@Entity
@Table(
        name = "etudes"
)
@NamedQueries({
        @NamedQuery(
                name = Etude.FIND_ALL,
                query = "select e from Etude e"
        ),
        @NamedQuery(
                name = Etude.FIND_BY_ID,
                query = "select e from Etude e where e.id = :id"
        ),
        @NamedQuery(
                name = Etude.FIND_BY_HASH,
                query = "select e from Etude e where e.hash = :hash"
        ),
        @NamedQuery(
                name = Etude.FIND_BY_TYPE,
                query = "select e from Etude e where e.etudeType = :etudeType"
        ),
        @NamedQuery(
                name = Etude.FIND_BY_AUTHOR,
                query = "select e from Etude e where e.author = :author"
        ),
        @NamedQuery(
                name = Etude.FIND_BY_BLOB,
                query = "select e from Etude e where e.blob = :blob"
        )
})
public class Etude extends DomainObject<Etude> {

    public static final String FIND_ALL = "Etude.findAll";
    public static final String FIND_BY_ID = "Etude.findById";
    public static final String FIND_BY_HASH = "Etude.findByHash";
    public static final String FIND_BY_TYPE = "Etude.findByType";
    public static final String FIND_BY_AUTHOR = "Etude.findByAuthor";
    public static final String FIND_BY_BLOB = "Etude.findByBlob";

    public static final String HASH_PARAMETER = "hash";
    public static final String TYPE_PARAMETER = "type";
    public static final String AUTHOR_PARAMETER = "author";
    public static final String BLOB_PARAMETER = "blob";

    @Id
    @Column(
            name = "f_id"
    )
    @GeneratedValue(
            strategy = GenerationType.AUTO
    )
    private Long id;

    @Column(
            name = "f_hash", nullable = false
    )
    private BigInteger hash;

    @Column(
            name = "f_name"
    )
    private String name;

    @ManyToOne(
            fetch = FetchType.LAZY
    )
    @JoinColumn(
            name = "f_type", nullable = false
    )
    private EtudeType etudeType;

    @ManyToOne(
            fetch = FetchType.LAZY
    )
    @JoinColumn(
            name = "f_author"
    )
    private Author author;

    @Column(
            name = "f_author_name"
    )
    private String authorName;

    @Column(
            name = "f_fen", nullable = false
    )
    private String fen;

    @Column(
            name = "f_pgn"
    )
    private String pgn;

    @Lob
    @Column(
            name = "f_blob", length = 32, nullable = false
    )
    private byte[] blob;

    @Column(
            name = "f_date"
    )
    @Temporal(
            value = TemporalType.DATE
    )
    private Date date;

    @Column(
            name = "f_description"
    )
    private String description;



    @Transient
    private Position position;

    public Etude() {
    }

    public Etude(Position position) {
        this.position = position;
    }

    public <TargetType> TargetType assemble(TargetType target, EtudeAdapter<TargetType> adapter) {
        adapter.setId(target, id);
        adapter.setHash(target, hash);
        adapter.setEtudeType(target, etudeType);
        adapter.setAuthor(target, author);
        adapter.setAuthorName(target, authorName);
        adapter.setFen(target, fen);
        adapter.setPgn(target, pgn);
        adapter.setBlob(target, blob);
        adapter.setDate(target, date);
        adapter.setDescription(target, description);

        return target;
    }




    private void assignFromPosition() {

    }

    private void assignFromPGN() {

    }

    public Position getPosition() {
        return position;
    }

    @Override
    public Long getId() {
        return id;
    }

}