package com.sb.web.point;

import com.sb.web.point.mapper.PointMapper;
import lombok.RequiredArgsConstructor;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;

/**
 * 활동 포인트 적립/조회.
 * 게시판 글/댓글 작성 시 10점, 하루 3회까지만 지급(글+댓글 합산).
 */
@Service
@RequiredArgsConstructor
public class PointService {

    private final PointMapper pointMapper;

    public static final int BOARD_WRITE_POINT = 10;
    public static final int BOARD_WRITE_DAILY_LIMIT = 3;
    public static final String REASON_BOARD_WRITE = "BOARD_WRITE";

    /**
     * 게시판 글/댓글 작성 보상. 오늘 지급 횟수가 한도 미만일 때만 지급한다.
     * @return 지급되면 지급 포인트, 한도 초과로 미지급이면 0
     */
    @Transactional
    public int awardBoardWrite(Long memberId) {
        int today = pointMapper.countTodayGrants(memberId, REASON_BOARD_WRITE);
        if (today >= BOARD_WRITE_DAILY_LIMIT) {
            return 0;
        }
        pointMapper.insertHistory(memberId, BOARD_WRITE_POINT, REASON_BOARD_WRITE);
        pointMapper.addPoints(memberId, BOARD_WRITE_POINT);
        return BOARD_WRITE_POINT;
    }

    public long getPoints(Long memberId) {
        Long p = pointMapper.getPoints(memberId);
        return p == null ? 0L : p;
    }
}