/*
 *
 *  Licensed to the Apache Software Foundation (ASF) under one or more
 *  contributor license agreements.  See the NOTICE file distributed with
 *  this work for additional information regarding copyright ownership.
 *  The ASF licenses this file to You 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.dlink.model;

import com.dlink.assertion.Asserts;

import java.util.ArrayList;
import java.util.List;
import java.util.Map;

import com.fasterxml.jackson.databind.JsonNode;

/**
 * SystemConfiguration
 *
 * @author wenmo
 * @since 2021/11/18
 **/
public class SystemConfiguration {

    private static volatile SystemConfiguration systemConfiguration = new SystemConfiguration();

    public static SystemConfiguration getInstances() {
        return systemConfiguration;
    }

    private static final List<Configuration> CONFIGURATION_LIST = new ArrayList<Configuration>() {{
            add(systemConfiguration.sqlSubmitJarPath);
            add(systemConfiguration.sqlSubmitJarParas);
            add(systemConfiguration.sqlSubmitJarMainAppClass);
            add(systemConfiguration.useRestAPI);
            add(systemConfiguration.sqlSeparator);
        }};

    private Configuration sqlSubmitJarPath = new Configuration(
        "sqlSubmitJarPath",
        "FlinkSQL提交Jar路径",
        ValueType.STRING,
        "hdfs:///dlink/jar/dlink-app.jar",
        "用于指定Applcation模式提交FlinkSQL的Jar的路径"
    );
    private Configuration sqlSubmitJarParas = new Configuration(
        "sqlSubmitJarParas",
        "FlinkSQL提交Jar参数",
        ValueType.STRING,
        "",
        "用于指定Applcation模式提交FlinkSQL的Jar的参数"
    );
    private Configuration sqlSubmitJarMainAppClass = new Configuration(
        "sqlSubmitJarMainAppClass",
        "FlinkSQL提交Jar主类",
        ValueType.STRING,
        "com.dlink.app.MainApp",
        "用于指定Applcation模式提交FlinkSQL的Jar的主类"
    );
    private Configuration useRestAPI = new Configuration(
        "useRestAPI",
        "使用 RestAPI",
        ValueType.BOOLEAN,
        true,
        "在运维 Flink 任务时是否使用 RestAPI"
    );
    private Configuration sqlSeparator = new Configuration(
        "sqlSeparator",
        "FlinkSQL语句分割符",
        ValueType.STRING,
        ";\n",
        "Flink SQL 的语句分割符"
    );

    public void setConfiguration(JsonNode jsonNode) {
        for (Configuration item : CONFIGURATION_LIST) {
            if (!jsonNode.has(item.getName())) {
                continue;
            }
            switch (item.getType()) {
                case BOOLEAN:
                    item.setValue(jsonNode.get(item.getName()).asBoolean());
                    break;
                case INT:
                    item.setValue(jsonNode.get(item.getName()).asInt());
                    break;
                default:
                    item.setValue(jsonNode.get(item.getName()).asText());
            }
        }
    }

    public void addConfiguration(Map<String, Object> map) {
        for (Configuration item : CONFIGURATION_LIST) {
            if (map.containsKey(item.getName()) && item.getType().equals(ValueType.BOOLEAN)) {
                map.put(item.getName(), Asserts.isEqualsIgnoreCase("true", map.get(item.getName()).toString()));
            }
            if (!map.containsKey(item.getName())) {
                map.put(item.getName(), item.getValue());
            }
        }
    }

    public String getSqlSubmitJarParas() {
        return sqlSubmitJarParas.getValue().toString();
    }

    public void setSqlSubmitJarParas(String sqlSubmitJarParas) {
        this.sqlSubmitJarParas.setValue(sqlSubmitJarParas);
    }

    public String getSqlSubmitJarPath() {
        return sqlSubmitJarPath.getValue().toString();
    }

    public void setSqlSubmitJarPath(String sqlSubmitJarPath) {
        this.sqlSubmitJarPath.setValue(sqlSubmitJarPath);
    }

    public String getSqlSubmitJarMainAppClass() {
        return sqlSubmitJarMainAppClass.getValue().toString();
    }

    public void setSqlSubmitJarMainAppClass(String sqlSubmitJarMainAppClass) {
        this.sqlSubmitJarMainAppClass.setValue(sqlSubmitJarMainAppClass);
    }

    public boolean isUseRestAPI() {
        return (boolean) useRestAPI.getValue();
    }

    public void setUseRestAPI(boolean useRestAPI) {
        this.useRestAPI.setValue(useRestAPI);
    }

    public String getSqlSeparator() {
        return sqlSeparator.getValue().toString();
    }

    public void setSqlSeparator(String sqlSeparator) {
        this.sqlSeparator.setValue(sqlSeparator);
    }

    enum ValueType {
        STRING, INT, DOUBLE, FLOAT, BOOLEAN, DATE
    }

    public class Configuration {
        private String name;
        private String label;
        private ValueType type;
        private Object defaultValue;
        private Object value;
        private String note;

        public Configuration(String name, String label, ValueType type, Object defaultValue, String note) {
            this.name = name;
            this.label = label;
            this.type = type;
            this.defaultValue = defaultValue;
            this.value = defaultValue;
            this.note = note;
        }

        public void setValue(Object value) {
            this.value = value;
        }

        public Object getValue() {
            return value;
        }

        public ValueType getType() {
            return type;
        }

        public String getName() {
            return name;
        }
    }
}
