package com.aiteacher.document;

import jakarta.persistence.*;
import java.time.Instant;
import java.util.UUID;

@Entity
@Table(name = "chapter")
public class ChapterEntity {

    @Id
    @Column(name = "id", length = 200)
    private String id;

    @Column(name = "book_id", nullable = false)
    private UUID bookId;

    @Column(name = "number", nullable = false)
    private int number;

    @Column(name = "title", length = 500)
    private String title;

    @Column(name = "page_start")
    private Integer pageStart;

    @Column(name = "created_at", nullable = false)
    private Instant createdAt;

    public ChapterEntity() {}

    public ChapterEntity(String id, UUID bookId, int number, String title, Integer pageStart) {
        this.id = id;
        this.bookId = bookId;
        this.number = number;
        this.title = title;
        this.pageStart = pageStart;
        this.createdAt = Instant.now();
    }

    public String getId() { return id; }
    public UUID getBookId() { return bookId; }
    public int getNumber() { return number; }
    public String getTitle() { return title; }
    public Integer getPageStart() { return pageStart; }
    public Instant getCreatedAt() { return createdAt; }
}