Crystals

function solve (input) {
    let needMicrons = input[0];
    let cut = 0;
    let lap = 0;
    let grind = 0;
    let etch = 0;
    let xray = 0;

    for (let i = 0; i < input.length - 1; i++) {
        let curentCrystal = input[i+1];

        while (curentCrystal > needMicrons) {

            if (curentCrystal / 4 >= needMicrons) {
                curentCrystal /= 4;
                cut++;
            } else if (curentCrystal - (curentCrystal * 0.20) >= needMicrons) {

                if (lap == 0) {
                    curentCrystal = Math.floor(curentCrystal);
                }

                curentCrystal -= curentCrystal * 0.20;
                lap++;

            } else if (curentCrystal - 20 >= needMicrons) {

                if (grind == 0) {
                    curentCrystal = Math.floor(curentCrystal);
                }

                curentCrystal -= 20;
                grind++;

            } else if (curentCrystal - 2 >= needMicrons) {

                if (etch == 0) {
                    curentCrystal = Math.floor(curentCrystal);
                }

                curentCrystal -= 2;
                etch++;
            } else if (xray == 0){

                curentCrystal = Math.floor(curentCrystal);
                curentCrystal++;
                xray++;
            }
        }

        console.log(`Processing chunk ${input[i+1]} microns`)

        if (cut > 0) {
             console.log(`Cut x${cut}`);
             console.log(`Transporting and washing`);
             cut = 0;
        }

        if (lap > 0) {
             console.log(`Lap x${lap}`);
             console.log(`Transporting and washing`);
             lap = 0;
        }

        if (grind > 0) {
             console.log(`Grind x${grind}`);
             console.log(`Transporting and washing`);
             grind = 0;
        }

        if (etch > 0) {
             console.log(`Etch x${etch}`);
             console.log(`Transporting and washing`);
             etch = 0;
        }

        if (xray > 0) {
             console.log(`X-ray x${xray}`);
             xray = 0;
        }

        console.log(`Finished crystal ${needMicrons} microns`)
    }
}

solve([1000, 4000, 8100]);