// 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.cloud.configuration;

import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;

import org.apache.cloudstack.engine.orchestration.service.NetworkOrchestrationService;
import org.apache.cloudstack.engine.subsystem.api.storage.StoragePoolAllocator;
import org.apache.cloudstack.framework.config.ConfigKey;

import com.cloud.agent.AgentManager;
import com.cloud.ha.HighAvailabilityManager;
import com.cloud.network.vpc.VpcManager;
import com.cloud.server.ManagementServer;
import com.cloud.storage.StorageManager;
import com.cloud.storage.snapshot.SnapshotManager;
import com.cloud.template.TemplateManager;
import com.cloud.vm.UserVmManager;
import com.cloud.vm.snapshot.VMSnapshotManager;

/**
 * @deprecated use the more dynamic ConfigKey
 */
@Deprecated
public enum Config {

    // Alert

    AlertSMTPConnectionTimeout("Alert", ManagementServer.class, Integer.class, "alert.smtp.connectiontimeout", "30000",
            "Socket connection timeout value in milliseconds. -1 for infinite timeout.", null),
    AlertSMTPTimeout(
            "Alert",
            ManagementServer.class,
            Integer.class,
            "alert.smtp.timeout",
            "30000",
            "Socket I/O timeout value in milliseconds. -1 for infinite timeout.",
            null),

    // Storage

    CreatePrivateTemplateFromVolumeWait(
            "Storage",
            UserVmManager.class,
            Integer.class,
            "create.private.template.from.volume.wait",
            "10800",
            "In second, timeout for CreatePrivateTemplateFromVolumeCommand",
            null),
    // Network
    //MulticastThrottlingRate("Network", ManagementServer.class, Integer.class, "multicast.throttling.rate", "10", "Default multicast rate in megabits per second allowed.", null),
    DirectNetworkNoDefaultRoute(
            "Network",
            ManagementServer.class,
            Boolean.class,
            "direct.network.no.default.route",
            "false",
            "Direct Network Dhcp Server should not send a default route",
            "true/false"),

    GuestOSNeedGatewayOnNonDefaultNetwork(
            "Network",
            NetworkOrchestrationService.class,
            String.class,
            "network.dhcp.nondefaultnetwork.setgateway.guestos",
            "Windows",
            "The guest OS's name start with this fields would result in DHCP server response gateway information even when the network it's on is not default network. Names are separated by comma.",
            null,
            ConfigKey.Kind.CSV,
            null),

    // Advanced
    HostRetry("Advanced", AgentManager.class, Integer.class, "host.retry", "2", "Number of times to retry hosts for creating a volume", null),
    UpdateWait("Advanced", AgentManager.class, Integer.class, "update.wait", "600", "Time to wait (in seconds) before alerting on a updating agent", null),
    CheckPodCIDRs(
            "Advanced",
            ManagementServer.class,
            String.class,
            "check.pod.cidrs",
            "true",
            "If true, different pods must belong to different CIDR subnets.",
            "true,false"),
    VmTransitionWaitInterval(
            "Advanced",
            ManagementServer.class,
            Integer.class,
            "vm.tranisition.wait.interval",
            "3600",
            "Time (in seconds) to wait before taking over a VM in transition state",
            null),
    EnableEC2API("Advanced", ManagementServer.class, Boolean.class, "enable.ec2.api", "false", "enable EC2 API on CloudStack", null),
    EnableS3API("Advanced", ManagementServer.class, Boolean.class, "enable.s3.api", "false", "enable Amazon S3 API on CloudStack", null),
    // XenServer
    XenServerBondStorageNic("Advanced", ManagementServer.class, String.class, "xenserver.bond.storage.nics", null, "Attempt to bond the two networks if found", null),
    XenServerHotFix("Advanced",
            ManagementServer.class,
            Boolean.class,
            "xenserver.hotfix.enabled",
            "false",
            "Enable/Disable XenServer hot fix",
            null),

    // VMware
    //VmwareGuestNicDeviceType("Advanced", ManagementServer.class, String.class, "vmware.guest.nic.device.type", "E1000", "Ethernet card type used in guest VM, valid values are E1000, PCNet32, Vmxnet2, Vmxnet3", null),
    VmwareHungWorkerTimeout("Advanced", ManagementServer.class, Long.class, "vmware.hung.wokervm.timeout", "7200", "Worker VM timeout in seconds", null),

    // Hyperv
    HypervPublicNetwork(
            "Hidden",
            ManagementServer.class,
            String.class,
            "hyperv.public.network.device",
            null,
            "Specify the public virtual switch on host for public network",
            null),
    HypervPrivateNetwork(
            "Hidden",
            ManagementServer.class,
            String.class,
            "hyperv.private.network.device",
            null,
            "Specify the virtual switch on host for private network",
            null),
    HypervGuestNetwork(
            "Hidden",
            ManagementServer.class,
            String.class,
            "hyperv.guest.network.device",
            null,
            "Specify the virtual switch on host for private network",
            null),

    // Hidden
    CreatePoolsInPod(
            "Hidden",
            ManagementServer.class,
            Boolean.class,
            "xenserver.create.pools.in.pod",
            "false",
            "Should we automatically add XenServers into pools that are inside a Pod",
            null),
    //NetworkType("Hidden", ManagementServer.class, String.class, "network.type", "vlan", "The type of network that this deployment will use.", "vlan,direct"),

    DefaultPageSize("Advanced", ManagementServer.class, Long.class, "default.page.size", "500", "Default page size for API list* commands", null),

    IntervalToEchoBaremetalSecurityGroupAgent(
            "Advanced",
            ManagementServer.class,
            Integer.class,
            "interval.baremetal.securitygroup.agent.echo",
            "10",
            "Interval to echo baremetal security group agent, in seconds",
            null),
    TimeoutToEchoBaremetalSecurityGroupAgent(
            "Advanced",
            ManagementServer.class,
            Integer.class,
            "timeout.baremetal.securitygroup.agent.echo",
            "3600",
            "Timeout to echo baremetal security group agent, in seconds, the provisioning process will be treated as a failure",
            null),


    ManagementServerVendor("Advanced", ManagementServer.class, String.class, "mgt.server.vendor", "ACS", "the vendor of management server", null),
    PublishAsynJobEvent("Advanced", ManagementServer.class, Boolean.class, "publish.async.job.events", "true", "enable or disable publishing of usage events on the event bus", null);


    private final String _category;
    private final Class<?> _componentClass;
    private final Class<?> _type;
    private final String _name;
    private final String _defaultValue;
    private final String _description;
    private final String _range;
    private final int _scope; // Parameter can be at different levels (Zone/cluster/pool/account), by default every parameter is at global
    private final ConfigKey.Kind _kind;
    private final String _options;

    private static final HashMap<Integer, List<Config>> s_scopeLevelConfigsMap = new HashMap<>();
    static {
        s_scopeLevelConfigsMap.put(ConfigKey.Scope.Zone.getBitValue(), new ArrayList<>());
        s_scopeLevelConfigsMap.put(ConfigKey.Scope.Cluster.getBitValue(), new ArrayList<>());
        s_scopeLevelConfigsMap.put(ConfigKey.Scope.StoragePool.getBitValue(), new ArrayList<>());
        s_scopeLevelConfigsMap.put(ConfigKey.Scope.Account.getBitValue(), new ArrayList<>());
        s_scopeLevelConfigsMap.put(ConfigKey.Scope.Global.getBitValue(), new ArrayList<>());

        for (Config c : Config.values()) {
            //Creating group of parameters per each level (zone/cluster/pool/account)
            List<ConfigKey.Scope> scopes = ConfigKey.Scope.decode(c.getScope());
            for (ConfigKey.Scope scope : scopes) {
                List<Config> currentConfigs = s_scopeLevelConfigsMap.get(scope.getBitValue());
                currentConfigs.add(c);
                s_scopeLevelConfigsMap.put(scope.getBitValue(), currentConfigs);
            }
        }
    }

    private static final HashMap<String, List<Config>> Configs = new HashMap<>();
    static {
        // Add categories
        Configs.put("Account Defaults", new ArrayList<>());
        Configs.put("Advanced", new ArrayList<>());
        Configs.put("Alert", new ArrayList<>());
        Configs.put("Console Proxy", new ArrayList<>());
        Configs.put("Developer", new ArrayList<>());
        Configs.put("Domain Defaults", new ArrayList<>());
        Configs.put("Hidden", new ArrayList<>());
        Configs.put("Network", new ArrayList<>());
        Configs.put("Secure", new ArrayList<>());
        Configs.put("Snapshots", new ArrayList<>());
        Configs.put("Storage", new ArrayList<>());
        Configs.put("Usage", new ArrayList<>());
        Configs.put("Project Defaults", new ArrayList<>());

        // Add values into HashMap
        for (Config c : Config.values()) {
            String category = c.getCategory();
            List<Config> currentConfigs = Configs.get(category);
            currentConfigs.add(c);
            Configs.put(category, currentConfigs);
        }
    }

    Config(String category, Class<?> componentClass, Class<?> type, String name, String defaultValue, String description, String range) {
        this(category, componentClass, type, name, defaultValue, description, range, null, null);
    }

    Config(String category, Class<?> componentClass, Class<?> type, String name, String defaultValue, String description, String range, ConfigKey.Kind kind, String options) {
        _category = category;
        _componentClass = componentClass;
        _type = type;
        _name = name;
        _defaultValue = defaultValue;
        _description = description;
        _range = range;
        _scope = ConfigKey.Scope.Global.getBitValue();
        _kind = kind;
        _options = options;
    }

    public String getCategory() {
        return _category;
    }

    public String key() {
        return _name;
    }

    public String getDescription() {
        return _description;
    }

    public String getDefaultValue() {
        return _defaultValue;
    }

    public Class<?> getType() {
        return _type;
    }

    public int getScope() {
        return _scope;
    }

    public String getKind() {
        if (_kind == null) {
                return null;
        }
        return _kind.toString();
    }

    public String getOptions() {
        return _options;
    }

    public String getComponent() {
        if (_componentClass == ManagementServer.class) {
            return "management-server";
        } else if (_componentClass == AgentManager.class) {
            return "AgentManager";
        } else if (_componentClass == UserVmManager.class) {
            return "UserVmManager";
        } else if (_componentClass == HighAvailabilityManager.class) {
            return "HighAvailabilityManager";
        } else if (_componentClass == StoragePoolAllocator.class) {
            return "StorageAllocator";
        } else if (_componentClass == NetworkOrchestrationService.class) {
            return "NetworkManager";
        } else if (_componentClass == StorageManager.class) {
            return "StorageManager";
        } else if (_componentClass == TemplateManager.class) {
            return "TemplateManager";
        } else if (_componentClass == VpcManager.class) {
            return "VpcManager";
        } else if (_componentClass == SnapshotManager.class) {
            return "SnapshotManager";
        } else if (_componentClass == VMSnapshotManager.class) {
            return "VMSnapshotManager";
        } else {
            return "none";
        }
    }

    public String getRange() {
        return _range;
    }

    @Override
    public String toString() {
        return _name;
    }

    public static List<Config> getConfigs(String category) {
        return Configs.get(category);
    }

    public static Config getConfig(String name) {
        List<String> categories = getCategories();
        for (String category : categories) {
            List<Config> currentList = getConfigs(category);
            for (Config c : currentList) {
                if (c.key().equals(name)) {
                    return c;
                }
            }
        }

        return null;
    }

    public static List<String> getCategories() {
        Object[] keys = Configs.keySet().toArray();
        List<String> categories = new ArrayList<>();
        for (Object key : keys) {
            categories.add((String)key);
        }
        return categories;
    }
}