package com.qmth.ops.biz.service;

import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.core.conditions.update.LambdaUpdateWrapper;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import com.qmth.ops.api.security.Permission;
import com.qmth.ops.biz.dao.UserPermissionDao;
import com.qmth.ops.biz.domain.*;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;

import javax.annotation.Resource;
import java.util.List;

@Service
public class UserPermissionService extends ServiceImpl<UserPermissionDao, UserPermission> {

    @Resource
    private UserPermissionDao userPermissionDao;

    @Resource
    private AppService appService;

    @Resource
    private EnvService envService;

    @Resource
    private DeployService deployService;

    public List<UserPermission> listByUser(User user) {
        return userPermissionDao
                .selectList(new LambdaQueryWrapper<UserPermission>().eq(UserPermission::getUserId, user.getId()));
    }

    public UserPermission findByUserAndPermission(User user, Permission permission) {
        return userPermissionDao.selectOne(
                new LambdaQueryWrapper<UserPermission>().eq(UserPermission::getUserId, user.getId())
                        .eq(UserPermission::getPermission, permission));
    }

    @Transactional
    public void save(User user, Permission permission, String scope) {
        userPermissionDao.save(user.getId(), permission, scope);
    }

    @Transactional
    public void delete(User user, Permission permission) {
        userPermissionDao.delete(new LambdaUpdateWrapper<UserPermission>().eq(UserPermission::getUserId, user.getId())
                .eq(UserPermission::getPermission, permission));
    }

    public boolean hasPermission(User user, Permission permission, Object data) {
        UserPermission up = findByUserAndPermission(user, permission);
        if (up == null) {
            return false;
        }
        if (permission.getScope() == null) {
            return true;
        }
        String scope = up.getScope();
        if (UserPermission.UNLIMIT_SCOPE.equals(scope)) {
            return true;
        }
        try {
            switch (permission.getScope()) {
            case APP:
                App app = appService.getById((Long) data);
                return app != null && up.getDataSet().contains(app.getId());
            case ENV:
                Env env = envService.getById((Long) data);
                return env != null && up.getDataSet().contains(env.getId());
            case DEPLOY:
                Deploy deploy = deployService.getById((Long) data);
                return deploy != null && up.getDataSet().contains(deploy.getId());
            }
        } catch (Exception ignored) {
        }
        return false;
    }
}