(async function (){

    const checkFuncs = [
        checkByX,
        checkByY,
        checkByDiagonal,
        checkByDiagonal2
    ];

    const board = {
        11: 1, 12: 1, 13: 0,
        21: 0, 22: 1, 23: 1,
        31: 1, 32: 0, 33: 1
    }

    let step = 11;
    let maxRows = 3;
    let maxCols = 3;
    let possibleIterations = maxCols;
    // let maxNum = parseInt(`${maxRows}${maxCols}`); maybe if I check the input this variable will be used.

    console.log('tic tac toe');
    console.log('your move:', process.argv[2]);

    let input = parseInt(process.argv[2]);

    let line = [];
    let hasWinner = false;

    for(let i = 0; i < checkFuncs.length; i++) {
        let hasLine = checkFuncs[i](input);
        if (hasLine) {
            printLine(hasLine);
            hasWinner = true;
            break;
        }
    }

    if(!hasWinner) {
        console.log('There is no line!');
    }


    function printLine(hasLine) {
        console.log(line);
    }

    function checkByX(input) {

        let hasLine = true;
        let row = parseInt(input / 10);

        for(let col = 1; col < 4; col++) {

            let position = `${row}${col}`;
            let cell = parseInt(position);
            if (board[cell] === 1) {
                line.push(position);
            } else {
                line = [];
                hasLine = false;
                break;
            }
        }

        return hasLine;
    }

    function checkByY(input) {
        let hasLine = true;
        let col = parseInt(input % 10);

        for(let row = 1; row < 4; row++) {

            let position = `${row}${col}`;
            let cell = parseInt(position);
            if (board[cell] === 1) {
                line.push(position);
            } else {
                line = [];
                hasLine = false;
                break;
            }
        }

        return hasLine;
    }

    // up left to down right
    function checkByDiagonal(input) {
        let hasLine = true;
        input = parseInt(input);

        let position = `${input} `;

        // up left to down right

        let row = parseInt(input / 10);

        while(row > 1) {
            input -= step;
            row = parseInt(input / 10);
        }

        for(let i = 0; i < possibleIterations; i++){

            position = `${input} `;

            if (!board[input] || board[input] === 0) {
                line = [];
                hasLine = false;
                break;
            } else {
                line.push(position);
            }

            input += step;
        }

        return hasLine;
    }

    // down right to up left
    function checkByDiagonal2(input) {
        let hasLine = true;
        input = parseInt(input);

        let position = `${input} `;

        let row = parseInt(input / 10);

        while(row != 3) {
            input += step;
            row = parseInt(input / 10);
        }

        for(let i = 0; i < possibleIterations; i++){

            position = `${input} `;

            if (!board[input] || board[input] === 0) {
                line = [];
                hasLine = false;
                break;
            } else {
                line.push(position);
            }

            input -= step;
        }

        return hasLine;
    }

})();