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// ** Configuration: Modify if necessary
// *****************************************

var uploadFolder = 'libs/upload/documents/';
var idFileName = 'bl_name';
var idFileId = 'bl_files_id';
var idSubForm = 'sample_files';

// *****************************************

var idRowFileName;
var idRowFileId;

function uploadFile(event) {
    var td = $(event.target);
    var t = td.attr('data-nu-prefix');

    idRowFileName = t + idFileName;
    idRowFileId = t + idFileId;

    $("#fileToUpload").click();

}

function createDownloadLink(field, folder, fileId, fileName) {
    $('#' + field)
    .css({
        "text-decoration": "underline"
    })
    .css('cursor', 'pointer')
    .off('click')
    .attr({
        fileName: fileName,
        fileId: fileId,
        folder: folder
    })
    .attr('readonly', 'readonly')
    .click(function (event) {
        var link = $(this).attr('fileid') + '_' + $(this).attr('fileName');
        // downloadFile($(this).attr('folder') + $(this).attr('fileid') + '_' + $(this).attr('fileName'), $(this).attr('fileName'));
        var url = '/vrijwilligers/libs/download.php?file=' + link;
        downloadFile(url);
    });

}

function addDownloadLinks(subform) {
    document.cookie = "uid=#USER_ID#";
    var sf = nuSubformObject(subform);

    var cName = sf.fields.indexOf(idFileName);
    var cId = sf.fields.indexOf(idFileId);

    for (var i = 0; i < sf.rows.length; i++) {

        var fileId = sf.rows[i][cId];
        var fileName = sf.rows[i][cName];

        if (fileName !== '') {
            createDownloadLink(idSubForm + nuPad3(i) + idFileName, uploadFolder, fileId, fileName);
        }
    }
}

function downloadFile(url) {
    window.open(url, '_blank');
    //     var a = document.createElement("a");
    //     a.href = url;
    //     a.setAttribute("download", filename);
    //     document.body.appendChild(a);
    //     a.click();
    //     document.body.removeChild(a);
}

if (nuFormType() == 'edit') {
    addDownloadLinks(idSubForm);
} else {

    if (typeof nuStopBrowserResize == 'function') {
        nuStopBrowserResize();
    }

}