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        proxy.getEventManager().register(plugin, new ACFVelocityListener(this, this.plugin, proxy));
066
067        registerDependency(plugin.getClass(), plugin);
068        registerDependency(Plugin.class, plugin);
069        registerDependency(ProxyServer.class, proxy);
070    }
071
072    public ProxyServer getProxy() {
073        return this.proxy;
074    }
075
076    public PluginContainer getPlugin() {
077        return this.plugin;
078    }
079
080    @Override
081    public synchronized CommandContexts<VelocityCommandExecutionContext> getCommandContexts() {
082        if (this.contexts == null) {
083            this.contexts = new VelocityCommandContexts(proxy, this);
084        }
085        return contexts;
086    }
087
088    @Override
089    public synchronized CommandCompletions<VelocityCommandCompletionContext> getCommandCompletions() {
090        if (this.completions == null) {
091            this.completions = new VelocityCommandCompletions(proxy, this);
092        }
093        return completions;
094    }
095
096    @Override
097    public VelocityLocales getLocales() {
098        if (this.locales == null) {
099            this.locales = new VelocityLocales(this);
100            this.locales.loadLanguages();
101        }
102        return locales;
103    }
104
105    public void readLocale(Player player) {
106        if (!player.isActive()) {
107            return;
108        }
109
110        //This can be null if we didn't receive a settings packet
111        Locale locale = player.getPlayerSettings().getLocale();
112        if (locale != null) {
113            setIssuerLocale(player, player.getPlayerSettings().getLocale());
114        }
115    }
116
117    @Override
118    public void registerCommand(BaseCommand command) {
119        registerCommand(command, false);
120    }
121
122    public void registerCommand(BaseCommand command, boolean force) {
123        command.onRegister(this);
124        for (Map.Entry<String, RootCommand> entry : command.registeredCommands.entrySet()) {
125            String commandName = entry.getKey().toLowerCase(Locale.ENGLISH);
126            VelocityRootCommand velocityCommand = (VelocityRootCommand) entry.getValue();
127            if (!velocityCommand.isRegistered) {
128                if (force) {
129                    proxy.getCommandManager().unregister(commandName);
130                }
131                CommandMeta meta = proxy.getCommandManager().metaBuilder(commandName).build();
132                proxy.getCommandManager().register(meta, velocityCommand);
133            }
134            velocityCommand.isRegistered = true;
135            registeredCommands.put(commandName, velocityCommand);
136        }
137    }
138
139    public void unregisterCommand(BaseCommand command) {
140        for (Map.Entry<String, RootCommand> entry : command.registeredCommands.entrySet()) {
141            String commandName = entry.getKey().toLowerCase(Locale.ENGLISH);
142            VelocityRootCommand velocityCommand = (VelocityRootCommand) entry.getValue();
143            velocityCommand.getSubCommands().values().removeAll(command.subCommands.values());
144            if (velocityCommand.getSubCommands().isEmpty() && velocityCommand.isRegistered) {
145                unregisterCommand(velocityCommand);
146                velocityCommand.isRegistered = false;
147                registeredCommands.remove(commandName);
148            }
149        }
150    }
151
152    public void unregisterCommand(VelocityRootCommand command) {
153        proxy.getCommandManager().unregister(command.getCommandName());
154    }
155
156    public void unregisterCommands() {
157        for (Map.Entry<String, VelocityRootCommand> entry : registeredCommands.entrySet()) {
158            unregisterCommand(entry.getValue());
159        }
160    }
161
162    @Override
163    public boolean hasRegisteredCommands() {
164        return !registeredCommands.isEmpty();
165    }
166
167    @Override
168    public boolean isCommandIssuer(Class<?> aClass) {
169        return CommandSource.class.isAssignableFrom(aClass);
170    }
171
172    @Override
173    public VelocityCommandIssuer getCommandIssuer(Object issuer) {
174        if (!(issuer instanceof CommandSource)) {
175            throw new IllegalArgumentException(issuer.getClass().getName() + " is not a Command Issuer.");
176        }
177        return new VelocityCommandIssuer(this, (CommandSource) issuer);
178    }
179
180    @Override
181    public RootCommand createRootCommand(String cmd) {
182        return new VelocityRootCommand(this, cmd);
183    }
184
185    @Override
186    public Collection<RootCommand> getRegisteredRootCommands() {
187        return Collections.unmodifiableCollection(registeredCommands.values());
188    }
189
190    @Override
191    public VelocityCommandExecutionContext createCommandContext(RegisteredCommand command, CommandParameter parameter, CommandIssuer sender, List<String> args, int i, Map<String, Object> passedArgs) {
192        return new VelocityCommandExecutionContext(command, parameter, (VelocityCommandIssuer) sender, args, i, passedArgs);
193    }
194
195    @Override
196    public CommandCompletionContext createCompletionContext(RegisteredCommand command, CommandIssuer sender, String input, String config, String[] args) {
197        return new VelocityCommandCompletionContext(command, (VelocityCommandIssuer) sender, input, config, args);
198    }
199
200    @Override
201    public RegisteredCommand createRegisteredCommand(BaseCommand command, String cmdName, Method method, String prefSubCommand) {
202        return new RegisteredCommand(command, cmdName, method, prefSubCommand);
203    }
204
205    @Override
206    public VelocityConditionContext createConditionContext(CommandIssuer issuer, String config) {
207        return new VelocityConditionContext((VelocityCommandIssuer) issuer, config);
208    }
209
210    @Override
211    public void log(LogLevel level, String message, Throwable throwable) {
212        // TODO: Find better solution
213        Logger logger = LoggerFactory.getLogger(plugin.getClass());
214        if (level == LogLevel.INFO) {
215            logger.info(LogLevel.LOG_PREFIX + message);
216        } else {
217            logger.warn(LogLevel.LOG_PREFIX + message);
218        }
219
220        if (throwable != null) {
221            for (String line : ACFPatterns.NEWLINE.split(ApacheCommonsExceptionUtil.getFullStackTrace(throwable))) {
222                if (level == LogLevel.INFO) {
223                    logger.info(LogLevel.LOG_PREFIX + line);
224                } else {
225                    logger.warn(LogLevel.LOG_PREFIX + line);
226                }
227            }
228        }
229    }
230
231
232    @Override
233    public String getCommandPrefix(CommandIssuer issuer) {
234        return issuer.isPlayer() ? "/" : "";
235    }
236}