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package com.keuin.kbackupfabric;
import com.keuin.kbackupfabric.util.ZipUtil;
import com.keuin.kbackupfabric.util.ZipUtilException;
import com.mojang.brigadier.arguments.StringArgumentType;
import com.mojang.brigadier.context.CommandContext;
import net.minecraft.server.MinecraftServer;
import net.minecraft.server.command.ServerCommandSource;
import net.minecraft.text.LiteralText;
import net.minecraft.world.World;
import org.apache.logging.log4j.LogManager;
import org.apache.logging.log4j.Logger;
import java.io.File;
import java.io.IOException;
import java.time.LocalDateTime;
import java.time.format.DateTimeFormatter;
import java.util.HashMap;
import java.util.Map;
public class KBCommandHandler {
private static final Logger LOGGER = LogManager.getLogger();
private static final int SUCCESS = 1;
private static final int FAILED = -1;
private static final boolean printDebugMessages = true;
private static final boolean printErrorMessages = true;
private static final String backupSaveDirectoryName = "backups";
private static final String backupFileNamePrefix = "kbackup-";
/**
* Print the help menu.
*
* @param context the context.
* @return stat code.
*/
public static int help(CommandContext<ServerCommandSource> context) {
message(context, "KBackup Manual");
message(context, "/kb | /kb help Print help menu.");
message(context, "/kb list Show all backups.");
message(context, "/kb backup [backup_name] Backup world, nether, end to backup_name. By default, the name is current system time.");
message(context, "/kb restore <backup_name> Delete current three worlds, restore the older version from given backup. By default, this command is identical with /kb list.");
return SUCCESS;
}
public static int list(CommandContext<ServerCommandSource> context) {
message(context, "Available backups: (file is not checked, manipulation may affect this plugin)");
MinecraftServer server = context.getSource().getMinecraftServer();
File[] files = getBackupSaveDirectory(server).listFiles(
(dir, name) -> dir.isDirectory() && name.toLowerCase().endsWith(".zip") && name.toLowerCase().startsWith(backupFileNamePrefix)
);
if (files != null) {
for (File file : files) {
message(context, file.getName());
}
}
return SUCCESS;
}
/**
* Backup with context parameter backupName.
*
* @param context the context.
* @return stat code.
*/
public static int backup(CommandContext<ServerCommandSource> context) {
//KBMain.backup("name")
return doBackup(context, StringArgumentType.getString(context, "backupName"));
}
/**
* Backup with default name.
*
* @param context the context.
* @return stat code.
*/
public static int backupWithDefaultName(CommandContext<ServerCommandSource> context) {
//KBMain.backup("name")
DateTimeFormatter formatter = DateTimeFormatter.ofPattern("yyyy-MM-dd-HH-mm-ss");
String timeString = LocalDateTime.now().format(formatter);
return doBackup(context, timeString);
}
private static int doBackup(CommandContext<ServerCommandSource> context, String backupName) {
String destPathFolderName = "";
try {
message(context, String.format("Making backup %s ...", backupName), true);
Map<World, Boolean> oldWorldsSavingDisabled = new HashMap<>(); // old switch stat
// Get server
MinecraftServer server = context.getSource().getMinecraftServer();
// Save old autosave switch stat temporally
server.getWorlds().forEach(world -> {
oldWorldsSavingDisabled.put(world, world.savingDisabled);
world.savingDisabled = true;
});
// Force to save all player data and worlds
debug("Saving players ...");
server.getPlayerManager().saveAllPlayerData();
debug("Saving worlds ...");
server.save(true, true, true);
//// Do our main backup logic
// Get the level folder
File sourcePathFile = new File(server.getRunDirectory(), server.getLevelName());
// Create backup saving directory
File destPathFile = getBackupSaveDirectory(server);
destPathFolderName = destPathFile.getName();
if (!destPathFile.mkdir() && !destPathFile.isDirectory()) {
message(context, String.format("Failed to create backup saving directory: %s. Failed to backup.", destPathFolderName));
return FAILED;
}
// Make zip
debug(String.format("zip(srcPath=%s, destPath=%s)", sourcePathFile.getAbsolutePath(), destPathFile.toString()));
ZipUtil.zip(sourcePathFile.getAbsolutePath(), destPathFile.toString(), backupFileNamePrefix + backupName + ".zip");
// Restore old autosave switch stat
server.getWorlds().forEach(world -> world.savingDisabled = oldWorldsSavingDisabled.getOrDefault(world, true));
message(context, "Done.", true);
return SUCCESS;
} catch (SecurityException e) {
message(context, String.format("Failed to create backup saving directory: %s. Failed to backup.", destPathFolderName));
return FAILED;
} catch (IOException | ZipUtilException e) {
message(context, "Failed to make zip: " + e.getMessage());
return FAILED;
}
}
private static File getBackupSaveDirectory(MinecraftServer server) {
return new File(server.getRunDirectory(), backupSaveDirectoryName);
}
/**
* Restore with context parameter backupName.
*
* @param context the context.
* @return stat code.
*/
public static int restore(CommandContext<ServerCommandSource> context) {
//KBMain.restore("name")
String backupName = StringArgumentType.getString(context, "backupName");
message(context, String.format("Restoring worlds to %s ...", backupName), true);
// do restore to backupName
message(context, "Done.", true);
return SUCCESS;
}
private static CommandContext<ServerCommandSource> message(CommandContext<ServerCommandSource> context, String messageText) {
return message(context, messageText, false);
}
private static CommandContext<ServerCommandSource> message(CommandContext<ServerCommandSource> context, String messageText, boolean broadcastToOps) {
context.getSource().sendFeedback(new LiteralText("[KBackup] " + messageText), broadcastToOps);
return context;
}
static boolean opPermissionValidator(ServerCommandSource commandSource) {
return commandSource.hasPermissionLevel(4);
}
private static void debug(String debugMessage) {
if (printDebugMessages) {
System.out.println(String.format("[DEBUG] [KBackup] %s", debugMessage));
LOGGER.debug(debugMessage);
}
}
private static void error(String errorMessage) {
if (printErrorMessages) {
System.out.println(String.format("[ERROR] [KBackup] %s", errorMessage));
LOGGER.error(errorMessage);
}
}
}
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