package com.bruce.sams.service.impl;

import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import com.bruce.sams.domain.ams.Activity;
import com.bruce.sams.service.ActivityService;
import com.bruce.sams.mapper.ActivityMapper;
import org.springframework.stereotype.Service;

/**
 * 活动管理服务实现类
 * 负责活动的创建、修改、取消，以及初始化审批流程
 */
@Service
public class ActivityServiceImpl extends ServiceImpl<ActivityMapper, Activity> implements ActivityService {

    /**
     * 创建活动
     * @param activity 活动对象
     */
    @Override
    public void createActivity(Activity activity) {
        // 初始化活动审批状态
        switch (activity.getActivityType()) {
            case CLUB_INTERNAL:
                activity.setStatus("pending_club");
                break;
            case CLUB_EXTERNAL:
                activity.setStatus("pending_club");
                break;
            case DEPARTMENT:
                activity.setStatus("pending_department");
                break;
            case COLLEGE:
                activity.setStatus("pending_college");
                break;
            default:
                activity.setStatus("draft");
                break;
        }
        this.save(activity);
    }

    /**
     * 更新活动信息
     * @param activity 活动对象
     */
    @Override
    public void updateActivity(Activity activity) {
        this.updateById(activity);
    }

    /**
     * 取消活动
     * @param actId 活动ID
     */
    @Override
    public void cancelActivity(Long actId) {
        Activity activity = this.getById(actId);
        activity.setStatus("cancelled");
        this.updateById(activity);
    }

    /**
     * 获取活动详情
     * @param actId 活动ID
     * @return 活动对象
     */
    @Override
    public Activity getActivityById(Long actId) {
        return this.getById(actId);
    }
}