001/*
002 * Copyright (c) 2016-2017 Daniel Ennis (Aikar) - MIT License
003 *
004 *  Permission is hereby granted, free of charge, to any person obtaining
005 *  a copy of this software and associated documentation files (the
006 *  "Software"), to deal in the Software without restriction, including
007 *  without limitation the rights to use, copy, modify, merge, publish,
008 *  distribute, sublicense, and/or sell copies of the Software, and to
009 *  permit persons to whom the Software is furnished to do so, subject to
010 *  the following conditions:
011 *
012 *  The above copyright notice and this permission notice shall be
013 *  included in all copies or substantial portions of the Software.
014 *
015 *  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
016 *  EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
017 *  MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
018 *  NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
019 *  LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
020 *  OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
021 *  WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
022 */
023
024package co.aikar.commands;
025
026import co.aikar.commands.apachecommonslang.ApacheCommonsExceptionUtil;
027import com.velocitypowered.api.command.CommandMeta;
028import com.velocitypowered.api.command.CommandSource;
029import com.velocitypowered.api.plugin.Plugin;
030import com.velocitypowered.api.plugin.PluginContainer;
031import com.velocitypowered.api.proxy.Player;
032import com.velocitypowered.api.proxy.ProxyServer;
033import net.kyori.adventure.text.format.NamedTextColor;
034import org.slf4j.Logger;
035import org.slf4j.LoggerFactory;
036
037import java.lang.reflect.Method;
038import java.util.Collection;
039import java.util.Collections;
040import java.util.HashMap;
041import java.util.List;
042import java.util.Locale;
043import java.util.Map;
044
045public class VelocityCommandManager extends
046        CommandManager<CommandSource, VelocityCommandIssuer, NamedTextColor, VelocityMessageFormatter, VelocityCommandExecutionContext, VelocityConditionContext> {
047
048    protected final ProxyServer proxy;
049    protected final PluginContainer plugin;
050    protected Map<String, VelocityRootCommand> registeredCommands = new HashMap<>();
051    protected VelocityCommandContexts contexts;
052    protected VelocityCommandCompletions completions;
053    protected VelocityLocales locales;
054
055    public VelocityCommandManager(ProxyServer proxy, Object plugin) {
056        this.proxy = proxy;
057        this.plugin = proxy.getPluginManager().getPlugin(plugin.getClass().getAnnotation(Plugin.class).id()).get();
058        this.formatters.put(MessageType.ERROR, defaultFormatter = new VelocityMessageFormatter(NamedTextColor.RED, NamedTextColor.YELLOW, NamedTextColor.RED));
059        this.formatters.put(MessageType.SYNTAX, new VelocityMessageFormatter(NamedTextColor.YELLOW, NamedTextColor.GREEN, NamedTextColor.WHITE));
060        this.formatters.put(MessageType.INFO, new VelocityMessageFormatter(NamedTextColor.BLUE, NamedTextColor.DARK_GREEN, NamedTextColor.GREEN));
061        this.formatters.put(MessageType.HELP, new VelocityMessageFormatter(NamedTextColor.AQUA, NamedTextColor.GREEN, NamedTextColor.YELLOW));
062
063        getLocales();
064
065        this.validNamePredicate = ACFVelocityUtil::isValidName;
066
067        proxy.getEventManager().register(plugin, new ACFVelocityListener(this, this.plugin, proxy));
068
069        registerDependency(plugin.getClass(), plugin);
070        registerDependency(Plugin.class, plugin);
071        registerDependency(ProxyServer.class, proxy);
072    }
073
074    public ProxyServer getProxy() {
075        return this.proxy;
076    }
077
078    public PluginContainer getPlugin() {
079        return this.plugin;
080    }
081
082    @Override
083    public synchronized CommandContexts<VelocityCommandExecutionContext> getCommandContexts() {
084        if (this.contexts == null) {
085            this.contexts = new VelocityCommandContexts(proxy, this);
086        }
087        return contexts;
088    }
089
090    @Override
091    public synchronized CommandCompletions<VelocityCommandCompletionContext> getCommandCompletions() {
092        if (this.completions == null) {
093            this.completions = new VelocityCommandCompletions(proxy, this);
094        }
095        return completions;
096    }
097
098    @Override
099    public VelocityLocales getLocales() {
100        if (this.locales == null) {
101            this.locales = new VelocityLocales(this);
102            this.locales.loadLanguages();
103        }
104        return locales;
105    }
106
107    public void readLocale(Player player) {
108        if (!player.isActive()) {
109            return;
110        }
111
112        //This can be null if we didn't receive a settings packet
113        Locale locale = player.getPlayerSettings().getLocale();
114        if (locale != null) {
115            setIssuerLocale(player, player.getPlayerSettings().getLocale());
116        }
117    }
118
119    @Override
120    public void registerCommand(BaseCommand command) {
121        registerCommand(command, false);
122    }
123
124    public void registerCommand(BaseCommand command, boolean force) {
125        command.onRegister(this);
126        for (Map.Entry<String, RootCommand> entry : command.registeredCommands.entrySet()) {
127            String commandName = entry.getKey().toLowerCase(Locale.ENGLISH);
128            VelocityRootCommand velocityCommand = (VelocityRootCommand) entry.getValue();
129            if (!velocityCommand.isRegistered) {
130                if (force) {
131                    proxy.getCommandManager().unregister(commandName);
132                }
133                CommandMeta meta = proxy.getCommandManager().metaBuilder(commandName).build();
134                proxy.getCommandManager().register(meta, velocityCommand);
135            }
136            velocityCommand.isRegistered = true;
137            registeredCommands.put(commandName, velocityCommand);
138        }
139    }
140
141    public void unregisterCommand(BaseCommand command) {
142        for (Map.Entry<String, RootCommand> entry : command.registeredCommands.entrySet()) {
143            String commandName = entry.getKey().toLowerCase(Locale.ENGLISH);
144            VelocityRootCommand velocityCommand = (VelocityRootCommand) entry.getValue();
145            velocityCommand.getSubCommands().values().removeAll(command.subCommands.values());
146            if (velocityCommand.getSubCommands().isEmpty() && velocityCommand.isRegistered) {
147                unregisterCommand(velocityCommand);
148                velocityCommand.isRegistered = false;
149                registeredCommands.remove(commandName);
150            }
151        }
152    }
153
154    public void unregisterCommand(VelocityRootCommand command) {
155        proxy.getCommandManager().unregister(command.getCommandName());
156    }
157
158    public void unregisterCommands() {
159        for (Map.Entry<String, VelocityRootCommand> entry : registeredCommands.entrySet()) {
160            unregisterCommand(entry.getValue());
161        }
162    }
163
164    @Override
165    public boolean hasRegisteredCommands() {
166        return !registeredCommands.isEmpty();
167    }
168
169    @Override
170    public boolean isCommandIssuer(Class<?> aClass) {
171        return CommandSource.class.isAssignableFrom(aClass);
172    }
173
174    @Override
175    public VelocityCommandIssuer getCommandIssuer(Object issuer) {
176        if (!(issuer instanceof CommandSource)) {
177            throw new IllegalArgumentException(issuer.getClass().getName() + " is not a Command Issuer.");
178        }
179        return new VelocityCommandIssuer(this, (CommandSource) issuer);
180    }
181
182    @Override
183    public RootCommand createRootCommand(String cmd) {
184        return new VelocityRootCommand(this, cmd);
185    }
186
187    @Override
188    public Collection<RootCommand> getRegisteredRootCommands() {
189        return Collections.unmodifiableCollection(registeredCommands.values());
190    }
191
192    @Override
193    public VelocityCommandExecutionContext createCommandContext(RegisteredCommand command, CommandParameter parameter, CommandIssuer sender, List<String> args, int i, Map<String, Object> passedArgs) {
194        return new VelocityCommandExecutionContext(command, parameter, (VelocityCommandIssuer) sender, args, i, passedArgs);
195    }
196
197    @Override
198    public CommandCompletionContext createCompletionContext(RegisteredCommand command, CommandIssuer sender, String input, String config, String[] args) {
199        return new VelocityCommandCompletionContext(command, (VelocityCommandIssuer) sender, input, config, args);
200    }
201
202    @Override
203    public RegisteredCommand createRegisteredCommand(BaseCommand command, String cmdName, Method method, String prefSubCommand) {
204        return new RegisteredCommand(command, cmdName, method, prefSubCommand);
205    }
206
207    @Override
208    public VelocityConditionContext createConditionContext(CommandIssuer issuer, String config) {
209        return new VelocityConditionContext((VelocityCommandIssuer) issuer, config);
210    }
211
212    @Override
213    public void log(LogLevel level, String message, Throwable throwable) {
214        // TODO: Find better solution
215        Logger logger = LoggerFactory.getLogger(plugin.getClass());
216        if (level == LogLevel.INFO) {
217            logger.info(LogLevel.LOG_PREFIX + message);
218        } else {
219            logger.warn(LogLevel.LOG_PREFIX + message);
220        }
221
222        if (throwable != null) {
223            for (String line : ACFPatterns.NEWLINE.split(ApacheCommonsExceptionUtil.getFullStackTrace(throwable))) {
224                if (level == LogLevel.INFO) {
225                    logger.info(LogLevel.LOG_PREFIX + line);
226                } else {
227                    logger.warn(LogLevel.LOG_PREFIX + line);
228                }
229            }
230        }
231    }
232
233
234    @Override
235    public String getCommandPrefix(CommandIssuer issuer) {
236        return issuer.isPlayer() ? "/" : "";
237    }
238}