public class AlphaRunner extends Script implements Painting {
    private static final Font FONT = new Font("Arial", Font.PLAIN, 14);
    private static final int MINIMUM_HP_RATIO = 10;

    private final AtomicReference<String> status = new AtomicReference<>("");
    private final AgilityCourse course = AgilityCourse.AL_KHARID_ROOF;
    private final ABCUtil abcUtil = new ABCUtil();

    @Override
    public void run() {
        ThreadSettings.get().setClickingAPIUseDynamic(true);

        while (true) {
            //pick up marks
            if (course.isRoof()) {
                RSGroundItem[] marks = GroundItems.find(Filters.GroundItems.nameEquals("Mark of grace").combine(new Filter<RSGroundItem>() {
                    @Override
                    public boolean accept(RSGroundItem rsGroundItem) {
                        return MyWalking.canReach(rsGroundItem.getPosition());
                    }
                }, false));

                if (marks.length > 0) {
                    if (!marks[0].isOnScreen()) {
                        MyWalking.walk(marks[0]);
                        continue;
                    }
                    final int count = Inventory.getCount("Mark of grace");
                    if (!marks[0].click("Take") || !Timing.waitCondition(new Condition() {
                        @Override
                        public boolean active() {
                            return Game.getCrosshairState() == 2;
                        }
                    }, 500) || !Timing.waitCondition(new Condition() {
                        @Override
                        public boolean active() {
                            return Inventory.getCount("Mark of grace") > count;
                        }
                    }, 4000)) continue;
                }
            }

            //eat food
            if (course != AgilityCourse.GNOME_COURSE) {
                final RSItem[] food = Inventory.find(Filters.Items.actionsContains("Eat"));
                final int hpRatio = Combat.getHPRatio();
                if (food.length > 0 && hpRatio <= abcUtil.INT_TRACKER.NEXT_EAT_AT.next()) {
                    if (!food[0].click("Eat") || !Timing.waitCondition(new Condition() {
                        @Override
                        public boolean active() {
                            return Combat.getHPRatio() > hpRatio;
                        }
                    }, 3000)) continue;

                    abcUtil.INT_TRACKER.NEXT_EAT_AT.reset();
                } else if (hpRatio < MINIMUM_HP_RATIO) {
                    System.out.println("Logging out: Out of food");
                    Login.logout();
                    return;
                }
            }

            //enable run
            if (Game.getRunEnergy() <= abcUtil.INT_TRACKER.NEXT_RUN_AT.next() && Options.setRunOn(true)) {
                abcUtil.INT_TRACKER.NEXT_RUN_AT.reset();
            }

            stepCourse(course);
            sleep(100);
        }
    }

    /**
     * Step over the next obstacle in the course.
     * @param course The course that you want to traverse
     */
    public void stepCourse(final AgilityCourse course) {
        final Obstacle obstacle = course.getNextObstacle();
        if (obstacle == null) {
            final Obstacle nearest = course.getNearestObstacle();
            MyWalking.walk(Utility.getCenterTile(nearest.area));
            return;
        }

        final Rectangle bounds = obstacle.area.polygon.getBounds();
        final RSObject[] object = Objects.findNearest(Math.max(bounds.width, bounds.height) + 1, obstacle.name);
        if (object.length > 0) {
            if (object[0].getPosition().distanceTo(Player.getPosition()) > 4) {
                status.set("Walking to " + obstacle.name + "...");
                MyWalking.walk(object[0].getPosition());
                return;
            }
            if (!object[0].isOnScreen()) {
                status.set("Turning camera to " + object[0].getPosition());
                Camera.turnToTile(object[0]);
            }

            RSObjectDefinition def = object[0].getDefinition();
            if (def == null) return;

            final String action = def.getActions()[0];
            status.set("Clicking " + obstacle.name + "...");
            if (object[0].click(action) && Timing.waitCondition(new Condition() {
                @Override
                public boolean active() {
                    return Game.getCrosshairState() == 2;
                }
            }, 500)) {
                status.set("Performing action " + action + "...");
                if (Timing.waitCondition(new Condition() {
                    @Override
                    public boolean active() {
                        Obstacle next = course.getNextObstacle();
                        return next != null && next != obstacle;
                    }
                }, 10000)) {
                    status.set("Successfully " + action + " " + obstacle.name);
                }
            } else status.set("Failed to click " + obstacle.name);
        }
    }

    @Override
    public void onPaint(Graphics g) {
        g.setFont(FONT);
        g.setColor(Color.LIGHT_GRAY);
        g.drawString(status.get(), 10, 30);
    }
}

/**
* Obstacle wrapper
*/
class Obstacle {
    public final String name;
    public final RSArea area;

    Obstacle(String name, RSArea area) {
        this.name = name;
        this.area = area;
    }
}