OnTimeForExam-Problem2

function exam (input) {
    let examHour = Number(input.shift());
    let examMinutes = Number(input.shift());
    let arriveHour = Number(input.shift());
    let arriveMinutes = Number(input.shift());

    let totalExamMinutes = (examHour * 60) + examMinutes;
    let totalArriveMinutes = (arriveHour * 60) + arriveMinutes;

            let totalMinutes = Math.abs(totalArriveMinutes - totalExamMinutes);

            let afterH = Math.floor(totalMinutes / 60);
            let afterMin = totalMinutes % 60;

    //проверка OnTime
        let totalOnTimeMinutes = (60 - arriveMinutes) + examMinutes;
    //проверка OnTime - дотук

    //проверка за Early
        let totalEarlyMinutes = examMinutes - arriveMinutes;
    //проверка Early дотук

    //оттук готово
    //КОДА ЗА Late
    if ((arriveHour > examHour) || (arriveHour === examHour && arriveMinutes > examMinutes)) {
        console.log("Late");

        if (arriveHour === examHour) {
            let minutesAfter = arriveMinutes - examMinutes;
            console.log(`${minutesAfter} minutes after the start`);

        }else {
            let examInMinutes = (examHour * 60) + examMinutes;
            let arriveInMinutes = (arriveHour * 60) + arriveMinutes;

            let endMinutes = arriveInMinutes - examInMinutes;

            let afterHour = endMinutes / 60;
            let afterMinutes = endMinutes % 60;

            if (Math.floor(afterHour) === 0) {
                if (afterMinutes < 10) {
                    console.log(`0${afterMinutes} minutes after the start`);
                } else {
                    console.log(`${afterMinutes} minutes after the start`);
                }
            }else if (Math.floor(afterHour) != 0) {
                if (afterMinutes < 10) {
                    console.log(`${Math.floor(afterHour)}:0${afterMinutes} hours after the start`);
                } else {
                    console.log(`${Math.floor(afterHour)}:${afterMinutes} hours after the start`);
                }
            }
        }//дотук готово
    //Кода за OnTime
    }else if (arriveHour === examHour && arriveMinutes === examMinutes) {
        console.log("On time"); //ГОТОВО - кода се отнася за OnTime

    }else if (arriveHour <= examHour && totalOnTimeMinutes <= 30) {
        console.log("On time");

        if (arriveHour <= examHour && totalOnTimeMinutes < 10) {
            console.log(`${totalOnTimeMinutes} minutes before the start`);

        }else if (arriveHour < examHour) {
            console.log(`${totalOnTimeMinutes} minutes before the start`);
        }
    //КОДА за Early
    }else if (arriveHour === examHour && totalEarlyMinutes > 30) {
        console.log("Early");
        console.log(`${totalEarlyMinutes} minutes before the start`);

    }else if (arriveHour < examHour && totalOnTimeMinutes > 30) {
        console.log("Early");

        if (afterH === 0) {
            if (afterMin < 10) {
            console.log(`0${afterMin} minutes before the start`);
            }else {
            console.log(`${afterMin} minutes before the start`);
            }

        }else if (afterH != 0) {
            if (afterMin < 10) {
                console.log(`${afterH}:0${afterMin} hours before the start`);
                }else {
                    console.log(`${afterH}:${afterMin} hours before the start`);
                }
        }
    }


}