1 files changed, 126 insertions, 0 deletions
diff --git a/src/main/java/io/polyfrost/oneconfig/config/interfaces/Config.java b/src/main/java/io/polyfrost/oneconfig/config/interfaces/Config.java
new file mode 100644
index 0000000..ce73f0c
--- /dev/null
+++ b/src/main/java/io/polyfrost/oneconfig/config/interfaces/Config.java
@@ -0,0 +1,126 @@
+package io.polyfrost.oneconfig.config.interfaces;
+
+import com.google.gson.*;
+import io.polyfrost.oneconfig.config.annotations.*;
+import io.polyfrost.oneconfig.config.core.ConfigCore;
+import io.polyfrost.oneconfig.config.data.ModData;
+import io.polyfrost.oneconfig.gui.elements.config.*;
+
+import java.io.*;
+import java.lang.reflect.Field;
+import java.lang.reflect.Modifier;
+import java.nio.charset.StandardCharsets;
+import java.util.ArrayList;
+import java.util.Map;
+
+public class Config {
+    private final File configFile;
+
+    Gson gson = new GsonBuilder().excludeFieldsWithModifiers(Modifier.TRANSIENT).setPrettyPrinting()
+            .registerTypeAdapterFactory(OneConfigTypeAdapterFactory.getStaticTypeAdapterFactory()).create();
+
+    /**
+     * @param modData    information about the mod
+     * @param configFile file where config is stored
+     */
+    public Config(ModData modData, File configFile) {
+        this.configFile = configFile;
+        if (configFile.exists())
+            load();
+        else
+            save();
+        modData.config = this;
+        ConfigCore.settings.put(modData, generateOptionList(this.getClass()));
+    }
+
+    /**
+     * Save current config to file
+     */
+    public void save() {
+        try (BufferedWriter writer = new BufferedWriter(new OutputStreamWriter(new FileOutputStream(configFile), StandardCharsets.UTF_8))) {
+            writer.write(gson.toJson(this.getClass()));
+        } catch (IOException e) {
+            e.printStackTrace();
+        }
+    }
+
+    /**
+     * Load file and overwrite current values
+     */
+    public void load() {
+        try (BufferedReader reader = new BufferedReader(new InputStreamReader(new FileInputStream(configFile), StandardCharsets.UTF_8))) {
+            deserializePart(new JsonParser().parse(reader).getAsJsonObject(), this.getClass());
+        } catch (IOException e) {
+            e.printStackTrace();
+        }
+    }
+
+    /**
+     * Generate the option list for internal use only
+     *
+     * @param clazz target class
+     * @return list of options
+     */
+    private ArrayList<Option> generateOptionList(Class<?> clazz) {
+        ArrayList<Option> options = new ArrayList<>();
+        for (Class<?> innerClass : clazz.getClasses()) {
+            if (innerClass.isAnnotationPresent(Category.class)) {
+                Category category = innerClass.getAnnotation(Category.class);
+                options.add(new OConfigCategory(category.name(), category.description(), generateOptionList(innerClass)));
+            }
+        }
+        for (Field field : clazz.getFields()) {
+            if (field.isAnnotationPresent(Button.class)) {
+                Button button = field.getAnnotation(Button.class);
+                options.add(new OConfigButton(field, button.name(), button.description(), button.text()));
+            } else if (field.isAnnotationPresent(ColorPicker.class)) {
+                ColorPicker colorPicker = field.getAnnotation(ColorPicker.class);
+                options.add(new OConfigColor(field, colorPicker.name(), colorPicker.description(), colorPicker.allowAlpha()));
+            } else if (field.isAnnotationPresent(Selector.class)) {
+                Selector selector = field.getAnnotation(Selector.class);
+                options.add(new OConfigSelector(field, selector.name(), selector.description(), selector.options(), selector.defaultSelection()));
+            } else if (field.isAnnotationPresent(Slider.class)) {
+                Slider slider = field.getAnnotation(Slider.class);
+                options.add(new OConfigSlider(field, slider.name(), slider.description(), slider.min(), slider.max(), slider.precision()));
+            } else if (field.isAnnotationPresent(Switch.class)) {
+                Switch aSwitch = field.getAnnotation(Switch.class);
+                options.add(new OConfigSwitch(field, aSwitch.name(), aSwitch.description()));
+            } else if (field.isAnnotationPresent(TextField.class)) {
+                TextField textField = field.getAnnotation(TextField.class);
+                options.add(new OConfigText(field, textField.name(), textField.description(), textField.placeholder(), textField.hideText()));
+            }
+        }
+        return options;
+    }
+
+    /**
+     * Deserialize part of config and load values
+     *
+     * @param json  json to deserialize
+     * @param clazz target class
+     */
+    private void deserializePart(JsonObject json, Class<?> clazz) {
+        for (Map.Entry<String, JsonElement> element : json.entrySet()) {
+            String name = element.getKey();
+            JsonElement value = element.getValue();
+            if (value.isJsonObject()) {
+                for (Class<?> innerClass : clazz.getClasses()) {
+                    if (innerClass.getSimpleName().equals(name)) {
+                        deserializePart(value.getAsJsonObject(), innerClass);
+                        break;
+                    }
+                }
+            } else {
+                try {
+                    Field field = clazz.getField(name);
+                    TypeAdapter<?> adapter = gson.getAdapter(field.getType());
+                    Object object = adapter.fromJsonTree(value);
+                    field.setAccessible(true);
+                    field.set(null, object);
+                } catch (NoSuchFieldException | IllegalAccessException e) {
+                    e.printStackTrace();
+                }
+            }
+        }
+    }
+}