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sudoku.js

var board =
    [['1', '1', '1', '4', '5', '6', '7', '8', '9'],
    ['2', '2', '2', '3', '.', '.', '9', '.', '.'],
    ['3', '3', '3', '9', '.', '.', '.', '.', '.'],
    ['.', '7', '1', '.', '.', '.', '.', '.', '.'],
    ['.', '.', '.', '.', '.', '.', '.', '.', '8'],
    ['8', '.', '.', '.', '5', '.', '6', '.', '4'],
    ['.', '1', '.', '2', '.', '.', '.', '9', '.'],
    ['2', '.', '.', '.', '.', '4', '.', '.', '.'],
    ['.', '6', '9', '.', '.', '.', '.', '7', '.']];

var indexBoard =
    [['00', '01', '02', '03', '04', '05', '06', '07', '08'],
    ['10', '11', '12', '13', '14', '15', '16', '17', '18'],
    ['20', '21', '22', '23', '24', '25', '26', '27', '28'],
    ['30', '31', '32', '33', '34', '35', '36', '37', '38'],
    ['40', '41', '42', '43', '44', '45', '46', '47', '48'],
    ['50', '51', '52', '53', '54', '55', '56', '57', '58'],
    ['60', '61', '62', '63', '64', '65', '66', '67', '68'],
    ['70', '71', '72', '73', '74', '75', '76', '77', '78'],
    ['80', '81', '82', '83', '84', '85', '86', '87', '88']];

var Count = 0;
var secondCount = 0;
var rowCheck = false;
var colCheck = false;
var unlock = false;


function validateAll(start = indexBoard[secondCount][Count]) {
    let k = 0;
    let i = 0;
    let j = 0;
    var target = document.getElementById("cell" + k + j).value;
    var notlegal = document.getElementById("cell" + k + j).className;
    var secondTarget = document.getElementById("cell" + i + k).value;
    var index = document.getElementById("cell" + start).value;
    var noval = document.getElementById("cell" + start).className;

    if (start === indexBoard[8][8]) {
        Count = 0;
        secondCount = 0;
        return true
    } else if (Count === 8) {
        oneCount = 8;
        Count += -8;
        secondCount += 1;
        var goat = 1;
        console.log(validateAll(indexBoard[secondCount-1][oneCount]))
        return validateAll(indexBoard[secondCount+parseInt(goat)][oneCount]);

    } else if (noval == "NoEditValue") {

        Count += 1;
        return validateAll(indexBoard[secondCount][Count]);

    } else if (noval == "redValue") {

        Count += 1;
        return validateAll(indexBoard[secondCount][Count]);

    } else if (index == "") {
        document.getElementById("cell" + start).className = "yellowValue";
        Count += 1;
        return validateAll(indexBoard[secondCount][Count]);


    } else if (target == index && start !== String(String(Count) + String(secondCount))) {
        Count += 1;
        return validateAll(indexBoard[secondCount][Count])
    } else if (rowCheck == false) {
        for (k = 0; k <= 2; k++) {
            for (i = 0; i <= 2; i++) {
            } if (index === target) {
                document.getElementById("cell" + k + j).className = "redValue";
                unlock = true;
            } else {
                Count += 1;
                return validateAll(indexBoard[secondCount][Count])
            }
        }
    } else if (unlock == true && colCheck == false) {
        for (k = 0; k <= 8; k += 3) {
            for (i = 0; i <= 8; i += 3) {//target("cell" + k + j).value
            } if (index === target && notlegal !== "NoEditValue") { //index("cell" + start).value
                //indexin á að verða rauður
                document.getElementById("cell" + k + j).className = "redValue";
                colCheck = true;
                rowCheck = false;

            } else {
                Count += 1;
                return validateAll(indexBoard[secondCount][Count])
            }
        }
    } else {
        Count += 1;
        return validateAll(indexBoard[secondCount][Count])
    }
}


function checkBox() {
    let cellArray = [];

    for (i = 0; i <= 8; i++) {
        console.log(i);
        console.log(document.getElementById("cell0" + i));
        var res = document.getElementById("cell0" + i).value;
        cellArray.push(res);
    }
    console.log(cellArray);

    validator(cellArray);
}

function validator(arr) {
    var boardArray = board[0];

    for (i = 0; i <= 8; i++) {
        if (arr[i] != boardArray[i]) {
            console.log("FUCK TURTLES ");
            return false;
        }

    }
    console.log("I LIKE TURTLes ")
    return true
}

function checkRow() {
    let rowArray = [];
    let k = 0;
    let i = 0;
    for (k = 0; k <= 2; k++) {
        for (i = 0; i <= 2; i++) {
            console.log(document.getElementById("cell" + k + i));
            var res = document.getElementById("cell" + k + i).value;
            rowArray.push(res)
        }

    }
    console.log(rowArray);
    rowValidator(rowArray);
}
function checkColumn() {
    let rowArray = [];
    let k = 0;
    let i = 0;
    for (k = 0; k <= 8; k += 3) {
        for (i = 0; i <= 8; i += 3) {
            console.log(document.getElementById("cell" + k + i));
            var res = document.getElementById("cell" + k + i).value;
            rowArray.push(res)
        }

    }
    console.log(rowArray);
    rowValidator(rowArray);
}
function rowValidator(arr) {
    var boardArray = []
    let k = 0;
    let i = 0;
    for (k = 0; k <= 2; k++) {
        for (i = 0; i <= 2; i++)
            boardArray.push(board[k][i]); {

        }
    }
    console.log(arr)
    console.log(boardArray)
    twoValidator(arr, boardArray)
}

function twoValidator(arr, arr2) {
    for (i = 0; i <= 8; i++) {
        if (arr[i] != arr2[i]) {
            console.log("I dislike stuff ");
            return false;
        }

    }
    console.log("im happy ")
    return true
}

//===[ Fetch request with Axios ]==================================================================

//Send get Request to fetch a new gameboard at given game level.
function fetchSudoku() {
    //set up variables
    var gameLevel = document.getElementById("Difficulty").value;

    //Database URL
    var url = 'https://veff213-sudoku.herokuapp.com/api/v1/sudoku';

    //Request new board from database: Send gameLevel as parameter
    axios.post(url, { difficulty: gameLevel })
        .then(function (response) {
            //If request is succesful then process data. 
            //Send data to console for Debug
            console.log("Success: ", response.data);
            // Calls a method that creates the sudoku table and starts the game loop.
            // initSudokuBoard(response.data.board.boxes);
            initSudokuBoard(response.data);
            fetchID(response.data);
        })
        .catch(function (error) {
            //If request is succesful: Print error
            console.log(error);
            //If error perhaps here is a good place to call saved boards of correct difficulty
        })
        // This code is always executed, independent of whether the request succeeds or fails
        .then(function () {
        });
}

//=================================================================================================
//=================================================================================================


//===[ Create New Sudoku Board ]===================================================================
function fetchID(data) {
    console.log(data.board._id)
    document.getElementById("board_ID").innerHTML = "<p><h5> Board ID: " + data.board._id + "</p></h5>";
}



// build HTML table data from an array (one or two dimensional)
// takes in cleaned data from database
function initSudokuBoard(fetchData) {
    sudokuArr = fetchData.board.boxes;
    console.log("fetchData: ", fetchData);
    //Set up a 2D loop. Make an input string targeting the correct div id
    for (var y = 0; y < sudokuArr.length; y++) {
        for (var x = 0; x < sudokuArr[y].length; x++) {
            html_str = '';
            pos_id = '';
            //Check if array returns integer or not.
            //If integer then make read only and set class to NoEditValue
            //If not integer then make box blank and set class to editValue
            if (Number.isInteger(parseInt(sudokuArr[y][x]))) {
                console.log("Is integer: ", sudokuArr[y][x])
                html_str = '<input id="cell' + y + x + '"' +
                    ' type="number" class="NoEditValue" name="subcell" value="' +
                    sudokuArr[y][x] + '" readonly>';
            } else {
                console.log("Is NOT integer: ", sudokuArr[y][x])
                html_str = '<input id="cell' + y + x + '"' +
                    ' type="number" maxlength="1" min="1" max="9" class="editValue" name="subcell" value="' +
                    sudokuArr[y][x].replace(/[.]/g, "") + '">';
            }
            pos_id += y;
            pos_id += x;
            document.getElementById(pos_id).innerHTML = html_str;
        }
    }
}


//=================================================================================================
//=================================================================================================



//===[ Hardcoded Sudoku pussle arrays ]============================================================

    // var easy =     [[5,6,4,.,.,3,2,.,1],
    //                 [8,7,2,.,1,.,3,9,.],
    //                 [3,9,1,.,.,.,.,.,5],
    //                 [4,2,9,6,5,7,3,1,8],
    //                 [.,.,8,2,3,1,9,4,7],
    //                 [7,1,3,8,4,9,5,2,6],
    //                 [.,.,6,.,3,5,8,4,2],
    //                 [4,2,3,7,8,9,1,.,.],
    //                 [.,5,8,2,6,4,9,3,7]]

    // var medium =   [[8,7,.,.,4,.,6,2,5],
    //                 [4,5,.,.,2,.,.,1,.],
    //                 [2,1,.,8,5,.,.,9,.],
    //                 [7,6,.,5,.,4,.,8,.],
    //                 [9,3,1,8,6,2,5,.,7],
    //                 [5,4,8,3,.,1,9,6,2],
    //                 [2,.,7,9,5,8,4,.,6],
    //                 [.,9,4,6,7,3,2,.,5],
    //                 [.,.,5,1,.,4,.,.,.]]

    // var hard =     [[4,.,.,9,.,.,.,.,.],
    //                 [.,.,.,.,4,.,.,.,.],
    //                 [5,3,9,6,.,1,7,.,4],
    //                 [.,9,6,.,4,7,.,.,.],
    //                 [.,7,8,5,.,2,1,9,6],
    //                 [2,5,3,9,1,6,8,4,7],
    //                 [.,.,1,.,8,4,2,.,.],
    //                 [.,8,.,.,.,.,.,5,4]]

//=================================================================================================
//=================================================================================================