package com.codebyte.api.item.domain;

import com.codebyte.api.common.audit.BaseAuditableEntity;
import jakarta.persistence.Column;
import jakarta.persistence.Entity;
import jakarta.persistence.Id;
import jakarta.persistence.Table;
import jakarta.persistence.Version;
import java.util.Objects;
import java.util.UUID;
import lombok.Getter;
import lombok.Setter;
import org.hibernate.annotations.UuidGenerator;

/**
 * Item domain entity. The identifier is an application-generated, time-ordered (UUIDv7-style) UUID,
 * assigned by Hibernate before insert rather than by the database.
 */
@Entity
@Table(name = "items")
@Getter
@Setter
public class Item extends BaseAuditableEntity {

    @Id
    @UuidGenerator(style = UuidGenerator.Style.TIME)
    @Column(name = "id", nullable = false, updatable = false)
    private UUID id;

    @Column(name = "name", nullable = false, length = 150)
    private String name;

    @Column(name = "description", columnDefinition = "text")
    private String description;

    @Version
    @Column(name = "version", nullable = false)
    private long version;

    /** JPA-required no-arg constructor. */
    protected Item() {}

    public Item(String name, String description) {
        this.name = name;
        this.description = description;
    }

    @Override
    public boolean equals(Object other) {
        if (this == other) {
            return true;
        }
        if (!(other instanceof Item item)) {
            return false;
        }
        return id != null && id.equals(item.id);
    }

    @Override
    public int hashCode() {
        return Objects.hashCode(id);
    }
}