commandInterpretor

function commandInterpretor(input) {
    let numsArr = input.shift().split(" ").filter(x => x !== "");

    for (let i = 0; i < numsArr.length; i++) {
        let ascii = numsArr[i].charCodeAt(0);
        if ((ascii < 65 || ascii > 90) && (ascii < 97 || ascii > 122)) {
            numsArr[i] = Number(numsArr[i])
        }
    }

    for (let i = 0; i < input.length; i++) {
        let line = input[i].split(" ");
        let command = line.shift();
        if (command === "end") {
            break;
        } else if (command === "reverse") {
            let fromIndex = Number(line[1]);
            let countNums = Number(line[3]);
            if (typeof numsArr[fromIndex] !== "undefined" && typeof numsArr[fromIndex + countNums] !== "undefined") {
                let takeElements = numsArr.splice(fromIndex, countNums);
                let count = 0;
                for (let j = fromIndex; j < countNums + fromIndex; j++) {
                    numsArr.splice(fromIndex, 0, takeElements[count]);
                    count++;
                }
            } else {
                console.log("Invalid input parameters.");
            }
        } else if (command === "sort") {
            let fromIndex = Number(line[1]);
            let countNums = Number(line[3]);
            if (typeof numsArr[fromIndex] !== "undefined" && typeof numsArr[fromIndex + countNums] !== "undefined") {
                let takeElements = numsArr.splice(fromIndex, countNums);
                takeElements.sort().reverse();
                let count = 0;
                for (let j = fromIndex; j < countNums + fromIndex; j++) {
                    numsArr.splice(fromIndex, 0, takeElements[count]);
                    count++;
                }
            } else {
                console.log("Invalid input parameters.");
            }
        } else if (command === "rollLeft") {
            let times = Number(line[0]);
            let rotate = times % numsArr.length;
            if (times > 0) {
                for (let j = 0; j < rotate; j++) {
                    let takeFront = numsArr.shift();
                    numsArr.push(takeFront);
                }
            } else {
                console.log("Invalid input parameters.");
            }
        } else if (command === "rollRight") {
            let times = Number(line[0]);
            let rotate = times % numsArr.length;
            if (times > 0) {
                for (let j = 0; j < rotate; j++) {
                    let takeFront = numsArr.pop();
                    numsArr.unshift(takeFront);
                }
            } else {
                console.log("Invalid input parameters.");
            }
        }

    }
    let result = "";
    for (let i = 0; i < numsArr.length; i++) {
        let char = numsArr[i];
        if (i === 0) {
            result += `[${char}`;
        } else if (i > 0 && i < numsArr.length - 1) {
            result += `, ${char}`
        } else if (i === numsArr.length - 1) {
            result += `, ${char}]`;
        }
    }

    console.log(result)
}

commandInterpretor([
    'a b c',
    'rollRight 2000000000 times',
    'end'
])

// commandInterpretor([
//     '1 2 5 8 7 3 10  6   4 9',
//     'reverse from 2 count 4',
//     'rollLeft 3 times',
//     'sort from 7 count 3',
//     'end'
// ]);

// commandInterpretor([
//     '1 2 5 8 7 3 10 6 4 9',
//     'sort from 0 count 7',
//     'end'
// ])