package com.guwan.backend.service;

import com.baomidou.mybatisplus.core.metadata.IPage;
import com.guwan.backend.dto.ReadingStatistics;
import com.guwan.backend.entity.ReadingProgress;

public interface ReadingProgressService {
    // 创建或更新阅读进度
    ReadingProgress updateProgress(ReadingProgress progress);
    
    // 获取用户的阅读进度
    ReadingProgress getProgress(Long userId, Long bookId);
    
    // 获取用户的所有阅读进度
    IPage<ReadingProgress> getUserProgress(Long userId, Integer pageNum, Integer pageSize);
    
    // 获取用户特定状态的书籍
    IPage<ReadingProgress> getProgressByStatus(Long userId, String status, Integer pageNum, Integer pageSize);
    
    // 更新阅读时长
    void updateReadingTime(Long userId, Long bookId, Integer minutes);
    
    // 获取用户的阅读统计
    ReadingStatistics getReadingStatistics(Long userId);
}