/*
 * Copyright 1999-2018 Alibaba Group Holding Ltd.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package com.alibaba.csp.sentinel.command.handler;

import com.alibaba.csp.sentinel.command.CommandHandler;
import com.alibaba.csp.sentinel.command.CommandRequest;
import com.alibaba.csp.sentinel.command.CommandResponse;
import com.alibaba.csp.sentinel.command.annotation.CommandMapping;
import com.alibaba.csp.sentinel.log.RecordLog;
import com.alibaba.csp.sentinel.Constants;

/**
 * @author youji.zj
 */
@CommandMapping(name = "setSwitch", desc = "set sentinel switch, accept param: value={true|false}")
public class OnOffSetCommandHandler implements CommandHandler<String> {

    @Override
    public CommandResponse<String> handle(CommandRequest request) {
        String value = request.getParam("value");

        try {
            Constants.ON = Boolean.valueOf(value);
        } catch (Exception e) {
            RecordLog.info("Bad value when setting global switch", e);
        }

        String info = "Sentinel set switch value: " + value;
        RecordLog.info(info);

        return CommandResponse.ofSuccess(info);
    }
}
