improve mod list

src/main/java/dev/frogmc/frogloader/impl/gui/LoaderGui.java

@@ -75,7 +75,8 @@ public class LoaderGui extends JFrame {
 
 	public static void execUnfulfilledDep(Path reportPath, ModDependencyResolver.UnfulfilledDependencyException ex, boolean keepRunning) {
 		exec(gui -> {
-			gui.setHeader("Found " + ex.getDependencies().size() + " problems");
+			int count = ex.getDependencies().size();
+			gui.setHeader("Found " + count + " problem"+(count > 1 ? "s" : ""));
 			gui.addTab("Info", new UnfulfilledDepPage(ex));
 			addReport(gui, reportPath);
 		}, keepRunning);
@@ -83,7 +84,8 @@ public class LoaderGui extends JFrame {
 
 	public static void execBreakingDep(Path reportPath, ModDependencyResolver.BreakingModException ex, boolean keepRunning) {
 		exec(gui -> {
-			gui.setHeader("Found " + ex.getBreaks().size() + " problems");
+			int count = ex.getBreaks().size();
+			gui.setHeader("Found " + count + " problem"+(count > 1 ? "s" : ""));
 			gui.addTab("Info", new BreakingDepPage(ex));
 			addReport(gui, reportPath);
 		}, keepRunning);

src/main/java/dev/frogmc/frogloader/impl/gui/page/ReportPage.java

@@ -15,8 +15,9 @@ public class ReportPage extends JScrollPane {
         getHorizontalScrollBar().setUnitIncrement(16);
         getVerticalScrollBar().setUnitIncrement(16);
 
-        JTextPane text = new JTextPane();
+        JTextArea text = new JTextArea();
         text.setEditable(false);
+        text.setTabSize(2);
         try {
             text.setText(Files.readString(reportPath, StandardCharsets.UTF_8));
         } catch (IOException e) {
@@ -25,6 +26,7 @@ public class ReportPage extends JScrollPane {
             printer.printf("Could not load contents of %s:%n", reportPath);
             e.printStackTrace(printer);
         }
+        text.setBorder(BorderFactory.createEmptyBorder(0, 8, 0, 8));
         setViewportView(text);
         SwingUtilities.invokeLater(() -> getViewport().setViewPosition(new Point(0, 0)));
     }

src/main/java/dev/frogmc/frogloader/impl/mod/ModPropertiesReader.java

@@ -133,7 +133,7 @@ public class ModPropertiesReader {
 
 					for (UnmodifiableConfig entry : dependenciesConfig) {
 						String entryId = entry.get("id");
-						String entryVersions = entry.get("versions");
+						String entryVersions = entry.get(key.equals("provides") ? "version" : "versions");
 
 						if (entryId == null || entryId.isEmpty())
 							badProperties.add("frog.dependencies." + key + '.' + i + ".id");

src/main/java/dev/frogmc/frogloader/impl/mod/ModUtil.java

@@ -1,52 +1,69 @@
 package dev.frogmc.frogloader.impl.mod;
 
-import java.io.IOException;
+import java.util.*;
-import java.net.URI;
-import java.nio.file.Files;
-import java.util.Collection;
-import java.util.Comparator;
 import java.util.concurrent.atomic.AtomicInteger;
+import java.util.stream.Collectors;
 
-import dev.frogmc.frogloader.api.FrogLoader;
+import com.electronwill.nightconfig.core.UnmodifiableConfig;
 import dev.frogmc.frogloader.api.mod.ModProperties;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
 
 public class ModUtil {
 
-	private static final Logger LOGGER = LoggerFactory.getLogger(ModUtil.class);
-
 	public static String getModList(Collection<ModProperties> mods) {
 		int size = mods.size();
 		if (size == 0) {
 			return "No mods loaded.";
 		}
 
+		Map<String, ModProperties> modIdMap = mods.stream().collect(Collectors.toMap(ModProperties::id, m -> m));
+		AtomicInteger indent = new AtomicInteger(1);
+		Map<ModProperties, Collection<String>> parentToChildIdMap = getParentMods(mods);
+		Collection<String> containedIds = parentToChildIdMap.values().stream().flatMap(Collection::stream).collect(Collectors.toUnmodifiableSet());
 		StringBuilder builder = new StringBuilder();
-		builder.append("Loaded ").append(size).append(" mod");
+		List<ModProperties> parents = parentToChildIdMap.keySet().stream().filter(p -> !containedIds.contains(p.id()))
+				.sorted(Comparator.comparing(ModProperties::id)).toList();
+		int parentCount = parents.size();
+		builder.append("Loaded ").append(parentCount).append(" (").append(size).append(")").append(" mod");
 		if (size > 1) {
 			builder.append("s");
 		}
 		builder.append(":");
-		AtomicInteger i = new AtomicInteger();
+		parents.forEach(p -> printMod(modIdMap, p, builder, indent, parentToChildIdMap));
-		mods.stream().sorted(Comparator.comparing(ModProperties::id)).forEach(p -> {
-			builder.append("\n\t");
-			if (i.get() < size - 1) {
-				builder.append("|- ");
-			} else {
-				builder.append("\\- ");
-			}
-			builder.append(p.id()).append(" (").append(p.name()).append(") ").append(" ").append(p.version());
-			i.getAndIncrement();
-		});
 		return builder.toString();
 	}
 
-	public static void installMod(String url) {
+	private static void printMod(Map<String, ModProperties> mods, ModProperties p, StringBuilder builder, AtomicInteger indent, Map<ModProperties, Collection<String>> parentToChildIdMap) {
-		try {
+		builder.append("\n").append("\t".repeat(indent.getAndIncrement()));
-			Files.copy(URI.create(url).toURL().openStream(), FrogLoader.getInstance().getModsDir().resolve(url.substring(url.lastIndexOf("/" + 1))));
+		Collection<String> children = parentToChildIdMap.get(p);
-		} catch (IOException e) {
+		if (!children.isEmpty()) {
-			LOGGER.error("Failed to install mod:", e);
+			builder.append("\\- ");
+		} else {
+			builder.append("|- ");
+		}
+
+		builder.append(p.id()).append(" (").append(p.name()).append(") ").append(" ").append(p.version());
+		for (String s : children) {
+			printMod(mods, mods.get(s), builder, indent, parentToChildIdMap);
+		}
+		indent.getAndDecrement();
+	}
+
+	private static Map<ModProperties, Collection<String>> getParentMods(Collection<ModProperties> mods) {
+		Map<ModProperties, Collection<String>> children = new HashMap<>();
+		for (ModProperties mod : mods) {
+			List<List<UnmodifiableConfig>> entries = mod.extensions().get(BuiltinExtensions.INCLUDED_JARS);
+			if (entries != null) {
+				for (var jars : entries) {
+					for (var jar : jars) {
+						String id = jar.get("id");
+						children.computeIfAbsent(mod, m -> new HashSet<>()).add(id);
 					}
 				}
+			} else {
+				children.computeIfAbsent(mod, m -> new HashSet<>());
+			}
+		}
+
+		return children;
+	}
 }

src/main/java/dev/frogmc/frogloader/impl/plugin/game/minecraft/Minecraft.java

@@ -9,6 +9,7 @@ import java.net.MalformedURLException;
 import java.nio.file.*;
 import java.util.*;
 
+import com.electronwill.nightconfig.core.UnmodifiableConfig;
 import com.google.gson.JsonObject;
 import dev.frogmc.frogloader.api.FrogLoader;
 import dev.frogmc.frogloader.api.extensions.PreLaunchExtension;
@@ -123,13 +124,13 @@ public class Minecraft implements FrogPlugin {
 			ModProperties p = opt.get();
 			modProperties.add(p);
 			modPaths.put(mod, p);
-			List<List<Map<String, String>>> entries = p.extensions().getOrDefault(BuiltinExtensions.INCLUDED_JARS, Collections.emptyList());
+			List<List<UnmodifiableConfig>> entries = p.extensions().getOrDefault(BuiltinExtensions.INCLUDED_JARS, Collections.emptyList());
 			if (entries.isEmpty()) {
 				return;
 			}
 			try (FileSystem fs = FileSystems.newFileSystem(mod)) {
-				for (var jars : entries) {
+				for (List<UnmodifiableConfig> jars : entries) {
-					for (Map<String, String> jar : jars) {
+					for (UnmodifiableConfig jar : jars) {
 						Path path = fs.getPath(jar.get("path")).toAbsolutePath();
 						mods.add(path);
 						findJiJMods(path, mods, modPaths);