package wtf.hak.survivalfabric.modmenu;

import net.minecraft.client.gui.DrawContext;
import net.minecraft.client.gui.screen.Screen;
import net.minecraft.client.gui.widget.ButtonWidget;
import net.minecraft.text.Text;
import wtf.hak.survivalfabric.config.client.ClientConfig;
import wtf.hak.survivalfabric.config.client.ClientConfigManager;

import java.lang.reflect.Field;

public class ConfigScreen extends Screen {

    private final Screen parent;

    public ConfigScreen(Screen parent) {
        super(Text.literal("Survival Fabric - Client Config"));
        this.parent = parent;
    }

    @Override
    protected void init() {
        int buttonWidth = 200;
        int buttonHeight = 20;
        int spacing = 5;
        int startY = 40;
        int i = 0;

        for (Field field : ClientConfig.class.getFields()) {
            if (field.getType() == boolean.class) {
                int y = startY + i * (buttonHeight + spacing);
                try {
                    boolean value = field.getBoolean(ClientConfigManager.getConfig());
                    String label = formatFieldName(field.getName()) + ": " + (value ? "ON" : "OFF");

                    ButtonWidget button = ButtonWidget.builder(
                            Text.literal(label),
                            b -> {
                                try {
                                    boolean current = field.getBoolean(ClientConfigManager.getConfig());
                                    field.setBoolean(ClientConfigManager.getConfig(), !current);
                                    b.setMessage(Text.literal(formatFieldName(field.getName()) + ": " + (!current ? "ON" : "OFF")));
                                    ClientConfigManager.save(); // Save if needed
                                } catch (Exception e) {
                                    e.printStackTrace();
                                }
                            }
                    ).dimensions(this.width / 2 - buttonWidth / 2, y, buttonWidth, buttonHeight).build();

                    this.addDrawableChild(button);
                    i++;
                } catch (Exception e) {
                    e.printStackTrace();
                }
            }
        }

        this.addDrawableChild(ButtonWidget.builder(
                Text.translatable("gui.done"),
                button -> this.client.setScreen(parent)
        ).dimensions(this.width / 2 - 75, startY + i * (buttonHeight + spacing) + 10, 150, 20).build());
    }

    @Override
    public void render(DrawContext context, int mouseX, int mouseY, float delta) {
        context.fill(0, 0, this.width, this.height, 0xC0101010);

        int titleX = (this.width / 2) - (this.textRenderer.getWidth(this.title) / 2);
        context.drawTextWithShadow(this.textRenderer, this.title, titleX, 20, 0xFFFFFF);

        super.render(context, mouseX, mouseY, delta);
    }

    private String formatFieldName(String rawName) {
        StringBuilder result = new StringBuilder();
        char[] chars = rawName.toCharArray();
        result.append(Character.toUpperCase(chars[0]));
        for (int i = 1; i < chars.length; i++) {
            if (Character.isUpperCase(chars[i])) {
                result.append(' ');
            }
            result.append(chars[i]);
        }
        return result.toString();
    }

}