1 files changed, 75 insertions, 0 deletions
diff --git a/src/main/java/me/shedaniel/rei/client/ConfigManager.java b/src/main/java/me/shedaniel/rei/client/ConfigManager.java
new file mode 100644
index 000000000..a2d4d9890
--- /dev/null
+++ b/src/main/java/me/shedaniel/rei/client/ConfigManager.java
@@ -0,0 +1,75 @@
+package me.shedaniel.rei.client;
+
+import me.shedaniel.rei.RoughlyEnoughItemsCore;
+import net.fabricmc.loader.FabricLoader;
+import org.apache.logging.log4j.core.Core;
+
+import java.io.File;
+import java.io.FileWriter;
+import java.io.IOException;
+import java.io.InputStreamReader;
+import java.nio.file.Files;
+
+public class ConfigManager {
+    
+    private final File configFile;
+    private REIConfig config;
+    private boolean craftableOnly;
+    
+    public ConfigManager() {
+        this.configFile = new File(FabricLoader.INSTANCE.getConfigDirectory(), "rei.json");
+        this.craftableOnly = false;
+        try {
+            loadConfig();
+        } catch (IOException e) {
+            e.printStackTrace();
+        }
+    }
+    
+    public void saveConfig() throws IOException {
+        configFile.getParentFile().mkdirs();
+        if (!configFile.exists() && !configFile.createNewFile()) {
+            RoughlyEnoughItemsCore.LOGGER.error("REI: Failed to save config! Overwriting with default config.");
+            config = new REIConfig();
+            return;
+        }
+        FileWriter writer = new FileWriter(configFile, false);
+        try {
+            REIConfig.GSON.toJson(config, writer);
+        } finally {
+            writer.close();
+        }
+    }
+    
+    public void loadConfig() throws IOException {
+        if (!configFile.exists() || !configFile.canRead()) {
+            config = new REIConfig();
+            saveConfig();
+            return;
+        }
+        boolean failed = false;
+        try {
+            config = REIConfig.GSON.fromJson(new InputStreamReader(Files.newInputStream(configFile.toPath())), REIConfig.class);
+        } catch (Exception e) {
+            failed = true;
+        }
+        if (failed || config == null) {
+            RoughlyEnoughItemsCore.LOGGER.error("REI: Failed to load config! Overwriting with default config.");
+            config = new REIConfig();
+        }
+        saveConfig();
+    }
+    
+    public REIItemListOrdering getItemListOrdering() {
+        return config.itemListOrdering;
+    }
+    
+    public boolean isAscending() {
+        return config.isAscending;
+    }
+    
+    public boolean craftableOnly() {
+        return craftableOnly && config.enableCraftableOnlyButton;
+    }
+    
+}