package com.aiteacher.document;

import org.springframework.data.jpa.repository.JpaRepository;
import org.springframework.data.jpa.repository.Query;
import org.springframework.data.repository.query.Param;

import java.util.List;
import java.util.UUID;

public interface SectionRepository extends JpaRepository<SectionEntity, String> {
    List<SectionEntity> findAllByBookId(UUID bookId);
    void deleteAllByBookId(UUID bookId);

    @Query("SELECT s FROM SectionEntity s WHERE s.bookId = :bookId AND s.pageStart <= :windowEnd AND s.pageEnd >= :windowStart ORDER BY s.pageStart")
    List<SectionEntity> findByBookIdAndPageOverlap(
            @Param("bookId") UUID bookId,
            @Param("windowStart") int windowStart,
            @Param("windowEnd") int windowEnd);
}