/**
 * Copyright © 2016-2022 The Thingsboard Authors
 *
 * 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 org.thingsboard.server.queue.rabbitmq;

import lombok.Getter;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.boot.autoconfigure.condition.ConditionalOnExpression;
import org.springframework.stereotype.Component;

import javax.annotation.PostConstruct;
import java.util.HashMap;
import java.util.Map;
import java.util.regex.Pattern;

@Component
@ConditionalOnExpression("'${queue.type:null}'=='rabbitmq'")
public class TbRabbitMqQueueArguments {
    @Value("${queue.rabbitmq.queue-properties.core}")
    private String coreProperties;
    @Value("${queue.rabbitmq.queue-properties.rule-engine}")
    private String ruleEngineProperties;
    @Value("${queue.rabbitmq.queue-properties.transport-api}")
    private String transportApiProperties;
    @Value("${queue.rabbitmq.queue-properties.notifications}")
    private String notificationsProperties;
    @Value("${queue.rabbitmq.queue-properties.js-executor}")
    private String jsExecutorProperties;

    @Getter
    private Map<String, Object> coreArgs;
    @Getter
    private Map<String, Object> ruleEngineArgs;
    @Getter
    private Map<String, Object> transportApiArgs;
    @Getter
    private Map<String, Object> notificationsArgs;
    @Getter
    private Map<String, Object> jsExecutorArgs;

    @PostConstruct
    private void init() {
        coreArgs = getArgs(coreProperties);
        ruleEngineArgs = getArgs(ruleEngineProperties);
        transportApiArgs = getArgs(transportApiProperties);
        notificationsArgs = getArgs(notificationsProperties);
        jsExecutorArgs = getArgs(jsExecutorProperties);
    }

    private Map<String, Object> getArgs(String properties) {
        Map<String, Object> configs = new HashMap<>();
        for (String property : properties.split(";")) {
            int delimiterPosition = property.indexOf(":");
            String key = property.substring(0, delimiterPosition);
            String strValue = property.substring(delimiterPosition + 1);
            configs.put(key, getObjectValue(strValue));
        }
        return configs;
    }

    private Object getObjectValue(String str) {
        if (str.equalsIgnoreCase("true") || str.equalsIgnoreCase("false")) {
            return Boolean.valueOf(str);
        } else if (isNumeric(str)) {
            return getNumericValue(str);
        }
        return str;
    }

    private Object getNumericValue(String str) {
        if (str.contains(".")) {
            return Double.valueOf(str);
        } else {
            return Long.valueOf(str);
        }
    }

    private static final Pattern PATTERN = Pattern.compile("-?\\d+(\\.\\d+)?");

    public boolean isNumeric(String strNum) {
        if (strNum == null) {
            return false;
        }
        return PATTERN.matcher(strNum).matches();
    }
}
