package io.polyfrost.oneconfig.config.interfaces;

import io.polyfrost.oneconfig.gui.elements.BasicElement;

import java.lang.reflect.Field;

@SuppressWarnings({"unused"})
public abstract class BasicOption {
    protected final Field field;
    protected final String name;
    public final int size;

    /**
     * Initialize option
     *
     * @param field       variable attached to option (null for category)
     * @param name        name of option
     * @param size        size of option, 0 for single column, 1 for double.
     */
    public BasicOption(Field field, String name, int size) {
        this.field = field;
        this.name = name;
        this.size = size;
        if (field != null) field.setAccessible(true);
    }

    /**
     * @param object Java object to set the variable to
     */
    protected void set(Object object) throws IllegalAccessException {
        if (field == null) return;
        field.set(null, object);
    }

    /**
     * @return value of variable as Java object
     */
    protected Object get() throws IllegalAccessException {
        if (field == null) return null;
        return field.get(null);
    }

    /**
     * @return height of option to align other options accordingly
     */
    public abstract int getHeight();

    /**
     * Function that gets called when drawing option
     *
     * @param vg     NanoVG context
     * @param x      x position
     * @param y      y position
     */
    public abstract void draw(long vg, int x, int y);

    /**
     * Function that gets called last drawing option,
     * should be used for things that draw above other options
     *
     * @param vg     NanoVG context
     * @param x      x position
     * @param y      y position
     */
    public void drawLast(long vg, int x, int y) {

    }

    /**
     * Function that gets called when a key is typed
     *
     * @param key char that has been typed
     * @param keyCode   code of key
     */
    public void keyTyped(char key, int keyCode) {
    }

    /**
     * @return If the component has an option to render at half size
     */
    public boolean hasHalfSize() {
        return true;
    }
}