package com.novelreader.repository;

import com.novelreader.model.NovelDO;
import org.springframework.data.domain.Page;
import org.springframework.data.domain.Pageable;
import org.springframework.data.mongodb.repository.MongoRepository;
import org.springframework.data.mongodb.repository.Query;
import org.springframework.stereotype.Repository;

import java.util.List;

@Repository
public interface NovelRepository extends MongoRepository<NovelDO, String> {
    
    @Query("{ $or: [ { 'name': { $regex: ?0, $options: 'i' } }, { 'author': { $regex: ?0, $options: 'i' } } ] }")
    Page<NovelDO> findByNameOrAuthorContainingIgnoreCase(String keyword, Pageable pageable);
    
    @Query("{ 'tags': { $in: ?0 } }")
    Page<NovelDO> findByTagsIn(List<String> tags, Pageable pageable);
    
    @Query("{ $and: [ { $or: [ { 'name': { $regex: ?0, $options: 'i' } }, { 'author': { $regex: ?0, $options: 'i' } } ] }, { 'tags': { $in: ?1 } } ] }")
    Page<NovelDO> findByNameOrAuthorAndTags(String keyword, List<String> tags, Pageable pageable);
    
    Page<NovelDO> findAll(Pageable pageable);
    
    // 按作者精确匹配
    List<NovelDO> findByAuthor(String author);
    
    // 按书名前缀匹配（不分页，用于智能搜索）
    @Query("{ 'name': { $regex: '^?0', $options: 'i' } }")
    List<NovelDO> findByNameStartingWithIgnoreCase(String prefix);
    
    // 按书名模糊匹配（不分页，用于智能搜索）
    @Query("{ 'name': { $regex: ?0, $options: 'i' } }")
    List<NovelDO> findByNameContainingIgnoreCase(String keyword);
}