const jimp = require("jimp");
const ss = require("node-screenshots");
const proc = require("child_process");
const fs = require("fs");

let config = JSON.parse(fs.readFileSync("./config.jsonc"));

const photoInterval = config.photoInterval;

const targetColor = config.targetColor;

const tolerance = config.tolerance;


setInterval(eatDrywall, photoInterval * 1000);



var readline = require('readline');

readline.emitKeypressEvents(process.stdin);

if (process.stdin.isTTY)
    process.stdin.setRawMode(true);

process.stdin.on('keypress', (chunk, key) => {
  if (key && key.name == 'q')
  process.exit();
});


async function eatDrywall() {
    let monitors = ss.Monitor.all();

    monitors.forEach((i) => {
        var im = i;
        if (im.isPrimary) {
            let image = im.captureImageSync();
            let img = image.toRawSync();
            clickRandomPixelOfColor(im.width, im.height, img);
        }
    });
}

function clickRandomPixelOfColor(width, height, image) {

    var hits = [];
    for (let i = 0; i < width * height; i++) {
        if (compareColors(targetColor, getPixel(i, image))) {
            hits.push(i);
        }

    }

    console.log(hits.length);
    clickRandomDrywalls(hits,width,1);
}



async function clickRandomDrywalls(hits, width, repetitions) {
    for (let i = 0; i<repetitions; i++) {

        let click = Math.floor(Math.random() * hits.length); //get index of random viable pixel
        let target = deRasterize(hits[click], width);//get coordinates of random pixel
        console.log("Clicking: " + JSON.stringify(target));
        console.log(proc.exec("python click.py " + target.x + " " + target.y).toString());
        await new Promise(resolve => setTimeout(resolve, 300));
    }
}
function rasterize(x, y, width) { //scale to image
    return (x + y * width);
}
function deRasterize(i, width) {
    return ({
        y: Math.floor(i / width),
        x: i % width
    });
}
function compareColors(c1, c2) { //compare two rgba color structs
    //general basic distance nothing too special

    let sum1 = c1.r + c1.g + c1.b + c1.a;
    let sum2 = c2.r + c2.g + c2.b + c2.a;

    if (Math.abs(sum1 - sum2) < (tolerance * 4)) {
        return true;
    } else return false;
}
//gets color of a pixel at given coordinate
function getPixel(pos, img) {

    //pixel origin
    let o = pos * 4;

    let p = {
        r: img[o],
        g: img[o + 1],
        b: img[o + 2],
        a: img[o + 3]
    };

    return p;
}