package com.xuekairui.user.mapper;

import com.baomidou.mybatisplus.core.mapper.BaseMapper;
import com.xuekairui.user.entity.CrawlerUsageLog;
import org.apache.ibatis.annotations.Mapper;
import org.apache.ibatis.annotations.Param;
import org.apache.ibatis.annotations.Select;

import java.util.List;
import java.util.Map;

/**
 * 爬虫使用记录数据访问层
 */
@Mapper
public interface CrawlerUsageLogMapper extends BaseMapper<CrawlerUsageLog> {

    /**
     * 统计用户今日已使用爬虫次数
     */
    @Select("SELECT COALESCE(SUM(usage_count), 0) FROM t_crawler_usage_log WHERE user_id = #{userId} AND usage_date = CURDATE()")
    int sumTodayUsage(@Param("userId") Long userId);

    /**
     * 统计用户本月已使用爬虫次数
     */
    @Select("SELECT COALESCE(SUM(usage_count), 0) FROM t_crawler_usage_log WHERE user_id = #{userId} AND YEAR(usage_date) = YEAR(CURDATE()) AND MONTH(usage_date) = MONTH(CURDATE())")
    int sumMonthlyUsage(@Param("userId") Long userId);

    /**
     * 统计用户本年已使用爬虫次数
     */
    @Select("SELECT COALESCE(SUM(usage_count), 0) FROM t_crawler_usage_log WHERE user_id = #{userId} AND YEAR(usage_date) = YEAR(CURDATE())")
    int sumYearlyUsage(@Param("userId") Long userId);

    /**
     * 统计用户各平台今日使用次数
     * @return List<Map<String, Object>> 包含 platform 和 today_usage
     */
    @Select("SELECT platform, COALESCE(SUM(usage_count), 0) as today_usage " +
            "FROM t_crawler_usage_log " +
            "WHERE user_id = #{userId} AND usage_date = CURDATE() " +
            "GROUP BY platform")
    List<Map<String, Object>> sumTodayUsageByPlatform(@Param("userId") Long userId);

    /**
     * 统计用户各平台本月使用次数
     * @return List<Map<String, Object>> 包含 platform 和 monthly_usage
     */
    @Select("SELECT platform, COALESCE(SUM(usage_count), 0) as monthly_usage " +
            "FROM t_crawler_usage_log " +
            "WHERE user_id = #{userId} AND YEAR(usage_date) = YEAR(CURDATE()) AND MONTH(usage_date) = MONTH(CURDATE()) " +
            "GROUP BY platform")
    List<Map<String, Object>> sumMonthlyUsageByPlatform(@Param("userId") Long userId);

    /**
     * 统计用户各平台总使用次数
     * @return List<Map<String, Object>> 包含 platform 和 total_usage
     */
    @Select("SELECT platform, COALESCE(SUM(usage_count), 0) as total_usage " +
            "FROM t_crawler_usage_log " +
            "WHERE user_id = #{userId} " +
            "GROUP BY platform")
    List<Map<String, Object>> sumTotalUsageByPlatform(@Param("userId") Long userId);
}