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 java.lang.reflect.Method;
027import java.util.Collection;
028import java.util.Collections;
029import java.util.HashMap;
030import java.util.List;
031import java.util.Locale;
032import java.util.Map;
033
034import org.slf4j.Logger;
035import org.slf4j.LoggerFactory;
036
037import com.velocitypowered.api.command.CommandSource;
038import com.velocitypowered.api.plugin.Plugin;
039import com.velocitypowered.api.plugin.PluginContainer;
040import com.velocitypowered.api.proxy.Player;
041import com.velocitypowered.api.proxy.ProxyServer;
042
043import co.aikar.commands.apachecommonslang.ApacheCommonsExceptionUtil;
044import net.kyori.text.format.TextColor;
045
046public class VelocityCommandManager extends
047        CommandManager<CommandSource, VelocityCommandIssuer, TextColor, VelocityMessageFormatter, VelocityCommandExecutionContext, VelocityConditionContext> {
048
049    protected final ProxyServer proxy;
050    protected final PluginContainer plugin;
051    protected Map<String, VelocityRootCommand> registeredCommands = new HashMap<>();
052    protected VelocityCommandContexts contexts;
053    protected VelocityCommandCompletions completions;
054    protected VelocityLocales locales;
055
056    public VelocityCommandManager(ProxyServer proxy, Object plugin) {
057        this.proxy = proxy;
058        this.plugin = proxy.getPluginManager().getPlugin(plugin.getClass().getAnnotation(Plugin.class).id()).get();
059        this.formatters.put(MessageType.ERROR, defaultFormatter = new VelocityMessageFormatter(TextColor.RED, TextColor.YELLOW, TextColor.RED));
060        this.formatters.put(MessageType.SYNTAX, new VelocityMessageFormatter(TextColor.YELLOW, TextColor.GREEN, TextColor.WHITE));
061        this.formatters.put(MessageType.INFO, new VelocityMessageFormatter(TextColor.BLUE, TextColor.DARK_GREEN, TextColor.GREEN));
062        this.formatters.put(MessageType.HELP, new VelocityMessageFormatter(TextColor.AQUA, TextColor.GREEN, TextColor.YELLOW));
063
064        getLocales();
065
066        proxy.getEventManager().register(plugin, new ACFVelocityListener(this, this.plugin, proxy));
067
068        registerDependency(plugin.getClass(), plugin);
069        registerDependency(Plugin.class, plugin);
070        registerDependency(ProxyServer.class, proxy);
071    }
072
073    public ProxyServer getProxy() {
074        return this.proxy;
075    }
076
077    public PluginContainer getPlugin() {
078        return this.plugin;
079    }
080
081    @Override
082    public synchronized CommandContexts<VelocityCommandExecutionContext> getCommandContexts() {
083        if (this.contexts == null) {
084            this.contexts = new VelocityCommandContexts(proxy, this);
085        }
086        return contexts;
087    }
088
089    @Override
090    public synchronized CommandCompletions<VelocityCommandCompletionContext> getCommandCompletions() {
091        if (this.completions == null) {
092            this.completions = new VelocityCommandCompletions(proxy, this);
093        }
094        return completions;
095    }
096
097    @Override
098    public VelocityLocales getLocales() {
099        if (this.locales == null) {
100            this.locales = new VelocityLocales(this);
101            this.locales.loadLanguages();
102        }
103        return locales;
104    }
105
106    public void readLocale(Player player) {
107        if (!player.isActive()) {
108            return;
109        }
110
111        //This can be null if we didn't received a settings packet
112        Locale locale = player.getPlayerSettings().getLocale();
113        if (locale != null) {
114            setIssuerLocale(player, player.getPlayerSettings().getLocale());
115        }
116    }
117
118    @Override
119    public void registerCommand(BaseCommand command) {
120        registerCommand(command, false);
121    }
122
123    public void registerCommand(BaseCommand command, boolean force) {
124        command.onRegister(this);
125        for (Map.Entry<String, RootCommand> entry : command.registeredCommands.entrySet()) {
126            String commandName = entry.getKey().toLowerCase(Locale.ENGLISH);
127            VelocityRootCommand velocityCommand = (VelocityRootCommand) entry.getValue();
128            if (!velocityCommand.isRegistered) {
129                if (force) {
130                    proxy.getCommandManager().unregister(commandName);
131                }
132                proxy.getCommandManager().register(velocityCommand, commandName);
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}