AirPollution_JS Fund_ ArrAdv_MoreEx

function airPollution(mapInfo, affectingForces) {

    let mapOfSofia = mapInfo.map(number => number.split(' ').map(Number))

    while (affectingForces.length > 0) {
        let currentArr = affectingForces.shift()
        let currentForce = currentArr.split(' ')[0]
        let currentValue = Number(currentArr.split(' ')[1])

        switch (currentForce) {
            case 'breeze':
                mapOfSofia = breeze(mapOfSofia, currentValue)
                break;
            case 'gale':
                mapOfSofia = gale(mapOfSofia, currentValue)
                break;
            case 'smog':
                mapOfSofia = smog(mapOfSofia, currentValue)
                break;
            default:
                break;
        }
    }

    function breeze(arr, index) {
        for (let col = 0; col < arr.length; col++) {
            let currentParticle = arr[index][col];
            if (currentParticle - 15 >= 0) {
                arr[index][col] -= 15
            } else {
                arr[index][col] = 0
            }
        }
        return arr
    }

    function gale(arr, index) {
        for (let row = 0; row < arr.length; row++) {
            let currentParticle = arr[row][index];
            if (currentParticle - 20 >= 0) {
                arr[row][index] -= 20;
            } else {
                arr[row][index] = 0;
            }
        }
        return arr
    }

    function smog(arr, value) {
        for (let row = 0; row < arr.length; row++) {
            for (let col = 0; col < arr.length; col++) {
                arr[row][col] += value;
            }
        }
        return arr
    }

    let result = 'Polluted areas: '

    // FIRST option:
    // mapOfSofia.forEach((line, rowIndex) => {
    //     line.forEach((number, colIndex) => {
    //       if (number >= 50) {
    //         return (result += `[${rowIndex}-${colIndex}], `);
    //       }
    //     });
    //   });

// Second option:
     for (let rows = 0; rows < mapOfSofia.length; rows++) {
       for (let cols = 0; cols < mapOfSofia.length; cols++) {
           let currentValue = mapOfSofia[rows][cols];

             if (currentValue >= 50) {
                result += `[${rows}-${cols}], `
            }
        }
     }


 console.log(result === 'Polluted areas: ' ? result = 'No polluted areas' : result.slice(0, -2))

}

let result = airPollution (
    ["5 7 2 14 4",
        "21 14 2 5 3",
        "3 16 7 42 12",
        "2 20 8 39 14",
        "7 34 1 10 24"],
    ["breeze 1", "gale 2", "smog 35"]


);