Radio Crystals

function solve(arr) {

    for (let i = 1; i < arr.length; i++) {

        let inputShape = [];
        inputShape = arr[i];
        let bestShape = arr[0];
        let currentOpr = 0;
        let cut = x => x / 4;
        let counterCut = 0;
        let lap = x => x - x * 0.20;
        let counterLaps = 0;
        let grind = x => x - 20;
        let counterGrind = 0;
        let etch = x => x - 2;
        let counterEtch = 0;
        let xRay = x => x + 1; //only ONCE
        let flag = false;

        console.log(`Processing chunk ${arr[i]} microns`);

        cuts(currentOpr);
        if (flag) {
            currentOpr = Math.floor(currentOpr);
            console.log(`Cut x${counterCut}`);
            console.log(`Transporting and washing`);
            flag = false;
        }
        laps(currentOpr);
        if (flag) {
            currentOpr = Math.floor(currentOpr);
            console.log(`Lap x${counterLaps}`);
            console.log(`Transporting and washing`);
            flag = false;
        }
        grinds(currentOpr);
        if (flag) {
            currentOpr = Math.floor(currentOpr);
            console.log(`Grind x${counterGrind}`);
            console.log(`Transporting and washing`);
            flag = false;
        }
        etchs(currentOpr);
        if (flag) {
            currentOpr = Math.floor(currentOpr);
            console.log(`Etch x${counterEtch}`);
            console.log(`Transporting and washing`);
            flag = false;
        }
        if ((inputShape + 1) === bestShape) {
            xRayOnlyOnce(currentOpr);
        }
        console.log(`Finished crystal ${currentOpr} microns`);

        function cuts(n) {
            currentOpr = inputShape;
            while (inputShape >= bestShape) {

                inputShape = cut(inputShape)
                if (inputShape >= bestShape) {
                    currentOpr = inputShape;
                    counterCut++;
                    flag = true;
                }
            }

            return currentOpr;
        }
        function laps(n) {

            inputShape = currentOpr;
            while (inputShape > bestShape) {

                inputShape = lap(inputShape)
                if (inputShape > bestShape) {
                    currentOpr = inputShape;
                    counterLaps++;
                    flag = true;
                }

            }

            return currentOpr;

        }
        function grinds(n) {
            inputShape = currentOpr;
            while (inputShape > bestShape) {

                inputShape = grind(inputShape)
                if (inputShape > bestShape) {
                    currentOpr = inputShape;
                    counterGrind++;
                    flag = true;
                }
            }

            return currentOpr;

        }
        function etchs(n) {
            inputShape = currentOpr;
            while (inputShape > bestShape) {

                inputShape = etch(inputShape)
                if (inputShape > bestShape || xRay(inputShape) >= bestShape) {
                    currentOpr = inputShape;
                    counterEtch++;
                    flag = true;
                }
            }

            return currentOpr;
        }
        function xRayOnlyOnce(n) {
            inputShape = currentOpr;
            inputShape = xRay(inputShape)
            currentOpr = inputShape;
            console.log(`X-ray x${1}`);
            return currentOpr;
        }

    }
}
solve([1375, 50000]);
// solve([1000, 4000, 8100]);
// solve([1000, 1555]);
//solve([100, 99])