let wp;

let area = 320;

function setup() {
  const canvas = createCanvas(windowWidth, windowHeight);
  canvas.parent('sketch-host');

  wp = new WallPlotter({
    penUpGcode: 'M280 P0 S120',
    penDownGcode: 'M280 P0 S30',
    penUpDelayMs: 250,
    penDownDelayMs: 150,
  });
  wp.setSpeed(10000, 10000);
  wp.setTimingMultiplier(1); // tune if machine is slower than speed estimate, the higher the slower
  wp.enableKeyInputs();
  wp.enablePlotButtons();
}

function draw() {
  background(28, 28, 32);
  wp.showInfos();
}

function windowResized() {
  resizeCanvas(windowWidth, windowHeight);
}

async function plot() {
  await drawArt(false);
}

async function test() {
  await drawArt(true);
}

async function drawArt(testOnly) {
  wp.startPath();


  wp.move(-area, -area);
  //wp.wait(1000 * 10);

  let step = area / 40;

  let points = [];
  let last_points = [];
  let row = -1;

  for (let y = -area; y <= area; y+=step){

    // clear points
    if(points.length>0){
      last_points = deepCopy(points);
      points = [];
    }

    let px = -area;
    let py = y+random(10)
    if (row==1){
      py = last_points[0].y;
    }


    wp.move(px, py);
    points.push(createVector(px,py));

    let index = 1;
    for (let x = -area+step; x <= area; x+=step){
        px = x;
        py = y+random(step);

        if (row==1 && index%2==0){
          py = last_points[index].y
        }

        if (row==1 && index%2!=0){
          py = last_points[index-1].y+random(step*3);
        }

        if (last_points.length>0 && row==-1 && index%2!=0){
          py = last_points[index].y
        }

        if (last_points.length>0 && row==-1 && index%2==0){
          py = last_points[index-1].y+random(step*1);
        }

        wp.draw(px, py);
        points.push(createVector(px,py));

        index++;
    }

    row = row*-1;

  }
  await wp.runPath(testOnly);
}


function deepCopy(copy_array){
  let new_array = []
  for(let i=0; i<copy_array.length; i++){
    new_array.push(copy_array[i]);
  }
  return new_array;
}