#include "scenes.h"
#include "liquid.h"
#include "../nokia.h"
#include <malloc.h>

struct private {
    int32_t pos;
};

static struct SceneEvent Car_onInput(struct Scene *scene, struct InputEvent event) {
    struct private *priv = scene->private;
    switch (event.kind) {
        case InputEventKind_Wheel:
            priv->pos += event.wheel.delta;
            if (priv->pos < 0) priv->pos = 0;
            if (priv->pos > LCD_WIDTH-21) priv->pos = LCD_WIDTH-21;
            return SceneEvent_Repaint();

        case InputEventKind_Button:
            if (event.button.state) {
                return SceneEvent_Close(0, NULL);
            }
            // fall through
        default:
            return SceneEvent_None();
    }
}

static void Car_paint(struct Scene *scene)
{
    struct private *priv = scene->private;

    LCD_clearDisplay(0);
    LCD_setRect(priv->pos, LCD_HEIGHT/2-10, priv->pos+20,LCD_HEIGHT/2+10,0,1);
    LCD_updateDisplay();
}

struct Scene *NewScene_Car(void) {
    struct Scene *scene = SCENE_SAFE_ALLOC(struct private);

    scene->onInput = Car_onInput;
    scene->paint = Car_paint;
    return scene;
}