import { Color } from @core:color;

import { Log } from @sdk:log;
import { Input } from @sdk:input;
import { Composer } from @sdk:composer;
import { Gfx } from @sdk:gfx;
import { Assets } from @sdk:asset;

declare global loading_handle: int = -1;
declare global loading_status: int = -1;
declare global frame_counter: int = 0;
declare global tile_id: int = 0;
declare global camera_x: int = 0;
declare global camera_mult: int = 1;
declare const MAX_FRAMES: int = 4;
declare const CAMERA_SPEED: int = 1;

declare struct Bla (a: int) {}

[Init]
fn init() -> void
{
    loading_handle= -1;
    loading_status = -1;
    frame_counter = 0;
    tile_id = 0;
    camera_x = 0;
    camera_mult = 1;
    Composer.bind_scene(0);
    let bla: Bla = new Bla(1);
}

[Frame]
fn frame() -> void
{
    if (loading_handle == -1) {
          let t : (status: int, loading_handle: int) = Assets.load(assets.ui.atlas2, 3);
          if (t.status != 0) {
              Log.failure("load failed");
          } else {
              loading_handle = t.loading_handle;
              Log.info("state: loading");
          }
      } else {
          let s : int = Assets.status(loading_handle);
          if (s == 2) {
              let commit_status : int = Assets.commit(loading_handle);
              if (commit_status != 0) {
                  Log.failure("commit failed");
              }
          } else if (s == 3) {
              let sprite_status : int = Composer.emit_sprite(0, 0, 150, 150, 1, 3, false, false, 1);
              if (sprite_status != 0) {
                  Log.failure("emit_sprite failed");
              }
          } else {
              Log.info("state: waiting");
          }
      }

    let touch : InputTouch = Input.touch();
    let pad : InputPad = Input.pad();

    if (touch.button().released())
    {
        frame_counter = 0;
        tile_id = 0;
    }

    if (touch.button().down())
    {
        frame_counter = frame_counter + 1;
        if (frame_counter > MAX_FRAMES)
        {
            frame_counter = 0;
            tile_id = tile_id + 1;
            if (tile_id > 7)
            {
                tile_id = 0;
            }
        }
    }

    camera_x = camera_x + (camera_mult * CAMERA_SPEED);
    if (camera_x >= 240 || camera_x <= 0)
    {
        camera_mult = -1 * camera_mult;
    }
    Log.info("camera_x:" + camera_x);

    Composer.set_camera(camera_x, 0);
    Composer.emit_sprite(tile_id, 0, touch.x() - 16, touch.y() + 8, 2, 0, true, false, 0);

    let a : int = 10;
    let b : int = 15;
    let total : int = a + b;

    if (pad.a().pressed())
    {
        total += 25;
    }
    else if (pad.b().pressed())
    {
        total += 5;
    }
    else if (pad.x().pressed())
    {
        total -= 10;
    }

    if (total == 30)
    {
        Log.info("30 is the magic number!");
    }
    else if (total == 50)
    {
        Log.failure("50 is the magic number!");
    }
    else if (total == 15)
    {
        Log.warn("The magic number is neither 30 nor 50!");
    }
}