package jnpf.util;

import jnpf.base.UserInfo;
import jnpf.config.ConfigValueUtil;
import jnpf.database.util.TenantDataSourceUtil;
import jnpf.exception.LoginException;
import jnpf.util.data.DataSourceContextHolder;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Component;
import org.springframework.util.Assert;

@Component
public class TenantUtil {
    @Autowired
    private ConfigValueUtil configValueUtil;

    public void switchTenant(){
        switchTenant("yawen");
    }
    public void switchTenant(String tenantId){
        // 判断是否为多租户
        if (configValueUtil.isMultiTenancy()) {
            // 判断是不是从外面直接请求
            if (StringUtil.isNotEmpty(tenantId)) {
                //切换成租户库
                try {
                    TenantDataSourceUtil.switchTenant(tenantId);
                } catch (LoginException e) {
                    throw new RuntimeException("切换租户失败");
                }
            } else {
                UserInfo userInfo = UserProvider.getUser();
                Assert.notNull(userInfo.getUserId(), "缺少租户信息");
                DataSourceContextHolder.setDatasource(userInfo.getTenantId(), userInfo.getTenantDbConnectionString(), userInfo.isAssignDataSource());
            }
        }
    }
}