function isNumber(evt, field_type) {
	evt = (evt) ? evt : window.event;
	var charCode = (evt.which) ? evt.which : evt.keyCode;
	if ( field_type == 'amount' && charCode == 46 ) return true;
	if ( charCode > 31 && (charCode < 48 || charCode > 57) ) {
		return false;
	}
	return true;
}

function silver(obj) {
    return document.getElementById(obj);
}

async function ajaxcall(url, fields, method="POST")
{
    const xhttp = new XMLHttpRequest();
    xhttp.onload = function() {
        return Promise.resolve(this.responseText);
    }
    xhttp.open(method, url);
    xhttp.setRequestHeader("Content-type", "application/x-www-form-urlencoded");
    xhttp.send(fields);
}

function init() {
    var obj = document.querySelectorAll('.form-control');
    for (i = 0; i < obj.length; i++) {
        objid = obj[i].getAttribute('id');
        if ( objid != null )
        {
            document.getElementById(objid).removeEventListener('change', function(evt) {});
            document.getElementById(objid).removeEventListener('keyup', function(evt) {});
        }
        elementtype = objid ? silver(objid).type : '';
        if ( obj[i].hasAttribute('required') || elementtype == 'file' || elementtype == 'email' || elementtype == 'url' ) {
            msg = 'Please enter a value';
            if (obj[i].hasAttribute('data-bv-notempty-message'))
            msg = obj[i].getAttribute('data-bv-notempty-message');
            errid = objid + '_err';
            html = '<small id="' + errid + '" style="display: none;" class="silver-block">' + msg + '</small>';
            if ( document.getElementById(errid) !== null )
                document.getElementById(errid).remove();
            parentObj = obj[i].closest('.form-group');
            const erElm = document.createElement('small');
            erElm.id = errid;
            erElm.style.display = 'none';
            erElm.className = 'silver-block';
            erElm.innerHTML = msg;
            if (parentObj) {
                parentObj.append(erElm);                    
                // parentObj.insertAdjacentHTML('beforeend', html);
            }
            nodetype = silver(objid).nodeName;
            if ( elementtype == 'file' ) {
                document.getElementById(objid).addEventListener('change', function(evt) {
                    checkfile(this);
                });
            }
            if ( (nodetype == 'INPUT' && elementtype != 'file') || nodetype == 'TEXTAREA') {
                document.getElementById(objid).addEventListener('keyup', function(evt) {
                    prevCode = evt.keyCode;
                    if (evt.keyCode == 9) return;
                    if (prevCode && evt.keyCode == 16) return;
                    updatefield(this);
                });
                document.getElementById(objid).addEventListener('change', function(evt) {
                    prevCode = evt.keyCode;
                    if (evt.keyCode == 9) return;
                    if (prevCode && evt.keyCode == 16) return;
                    updatefield(this);
                });
            }
            if (nodetype == 'SELECT') {
                document.getElementById(objid).addEventListener('click', function(evt) {
                    updatefield(this);
                });
                document.getElementById(objid).addEventListener('change', function(evt) {
                    updatefield(this);
                });
            }
        }
    }
    var dpobject = document.querySelectorAll( '.date-picker' );
    for( i=0; i<dpobject.length; i++)
    {
        var start = $('#'+dpobject[i].id).attr('data-start');
        var end = $('#'+dpobject[i].id).attr('data-end');
        startdt = start == undefined ? '' : new Date(start);
        enddt = end == undefined ? '' : new Date(end);
        $('#'+dpobject[i].id).datepicker({
            todayHighlight: true,
            format: 'dd-mm-yyyy',
            autoclose:true,
            startDate: startdt,
            endDate: enddt
        }).on('changeDate', function(ev){
            var minDate = new Date(ev.date.valueOf());
            var dataless = $(this).attr('data-less');
            var datagreater = $(this).attr('data-greater');
            if ( dataless != undefined )
                $('#'+dataless).datepicker('setStartDate', minDate);
            if ( datagreater != undefined )
                $('#'+datagreater).datepicker('setEndDate', minDate);
            updatefield(this);
        });
    }
    // $(".inputmask").inputmask();
}
function checkfile(obj) {
    objid = obj.getAttribute('id');
    if ( silver(objid).value == '' ) return 0;
    parentObj = obj.closest('.form-group');
    var imgid = objid+'_img';
    imgsrc = "/Default/assets/img/default.jpg";
    errid = objid + '_err';
    silver(errid).style.display = 'none';
    mimtype = obj.files[0].type;
    serr = '0';
    ferr = '1';
    var data_files_allowed = silver(objid).getAttribute('data-files-allowed');
    var data_size = silver(objid).getAttribute('data-size');
    var data_size_allowed = silver(objid).getAttribute('data-size-allowed');
    extary = data_files_allowed.split(',');
    silver(errid).innerHTML = 'Invalid File, Allowed format are'+data_files_allowed;
    if ( data_size*1 > 0 && silver(objid).files[0].size > data_size*1 )
    {
        serr = '1';
        silver(errid).innerHTML = 'Invalid File, Allowed size is'+data_size_allowed;
    }
    if ( serr == '0' )
    {
        for(i=0; i<extary.length; i++)
        {
        mtype = 'image/'+extary[i];
        if ( extary[i] == 'jpg' ) mtype = 'image/jpeg';
        if ( mtype == mimtype ) { imgsrc = URL.createObjectURL(silver(objid).files[0]); ferr = '0'; }
        if ( extary[i] == 'pdf' && mimtype == 'application/pdf' ) { imgsrc = '/Default/assets/img/pdf.png'; ferr = '0'; }
        if ( extary[i] == 'doc' && mimtype == 'application/msword' ) { ferr = '0'; }
        if ( extary[i] == 'docx' && mimtype == 'application/vnd.openxmlformats-officedocument.wordprocessingml.document' ) { ferr = '0'; }
        if ( extary[i] == 'xls' && mimtype == 'application/vnd.ms-excel' ) { ferr = '0'; }
        if ( extary[i] == 'xlsx' && mimtype == 'application/vnd.openxmlformats-officedocument.spreadsheetml.sheet' ) { ferr = '0'; }
        if ( extary[i] == 'ppt' && mimtype == 'application/vnd.ms-powerpoint' ) { ferr = '0'; }
        if ( extary[i] == 'pptx' && mimtype == 'application/vnd.openxmlformats-officedocument.presentationml.presentation' ) { ferr = '0'; }
        if ( extary[i] == 'mp3' && mimtype == 'audio/mpeg' ) { ferr = '0'; }
        if ( extary[i] == 'mpeg' && mimtype == 'video/mpeg' ) { ferr = '0'; }
        if ( extary[i] == 'wmv' && mimtype == 'video/x-ms-wmv' ) { ferr = '0'; }
        if ( extary[i] == 'mp4' && mimtype == 'video/mp4' ) { ferr = '0'; }
        if ( extary[i] == 'csv' && mimtype == 'text/csv' ) { ferr = '0'; }
        if ( extary[i] == 'zip' && mimtype == 'application/zip' ) { ferr = '0'; }
        if ( extary[i] == 'srt' && mimtype == '' ) { ferr = '0'; }
        }
    }
    silver(imgid).src = imgsrc;
    if ( ferr == '1' || serr == '1' )
    {
        parentObj.classList.remove('has-success');
        parentObj.classList.add('has-error');
        silver(errid).style.display = 'block';
        silver(objid).value = '';
        return 1;
    }
    parentObj.classList.remove('has-error');
    parentObj.classList.add('has-success');
    silver(errid).style.display = 'none';
    if ( silver(objid+'act') )
        silver(objid+'act').style.display = 'block';
    return 0;
}
function updatefield(obj) {
    parentObj = obj.closest('.form-group');
    objid = obj.getAttribute('id');
    errid = objid + '_err';
    
    elementtype = objid ? silver(objid).type : '';
    if ( obj.hasAttribute('required') && elementtype == 'file' )
    {
        var imgid = objid+'_img';
        imgsrc = "/Default/assets/img/default.jpg";
        let position = silver(imgid).src.search(imgsrc);
        if ( position > -1 )
        {
            silver(errid).style.display = 'block';
            if ( parentObj != null )
            {
                parentObj.classList.remove('has-success');
                parentObj.classList.add('has-error');
            }
            return 1;
        }
        else
        {
            silver(errid).style.display = 'none';
            if ( parentObj != null )
            {
                parentObj.classList.remove('has-error');
                parentObj.classList.add('has-success');
            }
            return 0;
        }
    }

    err = 0;
    if (obj.hasAttribute('required') && obj.value.split(' ').join('') == '')
        err = 1;
    msg = 'Please enter a value';
    if (obj.hasAttribute('data-bv-notempty-message'))
        msg = obj.getAttribute('data-bv-notempty-message');
    if (err == 0 && obj.hasAttribute('data-bv-regexp-message')) {
        msg = obj.getAttribute('data-bv-regexp-message');
    }
    silver(errid).innerHTML = msg;
    if (err == 0 && obj.type == 'email' && obj.value != '') {
        patmatch = /^(([^<>()[\]\\.,;:\s@\"]+(\.[^<>()[\]\\.,;:\s@\"]+)*)|(\".+\"))@((\[[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\])|(([a-zA-Z\-0-9]+\.)+[a-zA-Z]{2,}))$/;
        if (!obj.value.match(patmatch)) {
            silver(errid).innerHTML = 'Invalid Email';
        err = 1;
        }
    }
    if (err == 0 && obj.type == 'url' && obj.value != '') {
        patmatch = /^https?:\/\/(?:www\.)?[-a-zA-Z0-9@:%._\+~#=]{1,256}\.[a-zA-Z0-9()]{1,6}\b(?:[-a-zA-Z0-9()@:%_\+.~#?&\/=]*)$/;
        if (!obj.value.match(patmatch)) {
            silver(errid).innerHTML = 'Invalid URL';
        err = 1;
        }
    }
    if (err == 0 && obj.hasAttribute('data-bv-regexp-regexp')) {
        patmatch = obj.getAttribute('data-bv-regexp-regexp');
        if (!obj.value.match(new RegExp(patmatch)))
            err = 1;
    }
    if ( err == 0 && obj.hasAttribute('data-min-words') && obj.value != '' )
    {
        minwords = obj.getAttribute('data-min-words');
        words = obj.value.split(/[\s,\n]+/).length;
        if ( words*1 < minwords*1 )
        {
            silver(errid).innerHTML = 'Min'+minwords+'Words';
            err = 1;
        }
    }
    if (err == 1) {
        silver(errid).style.display = 'block';
        if ( parentObj != null )
        {
            parentObj.classList.remove('has-success');
            parentObj.classList.add('has-error');
        }
    } else {
        silver(errid).style.display = 'none';
        if ( parentObj != null )
        {
            parentObj.classList.remove('has-error');
            parentObj.classList.add('has-success');
        }
    }
    return err;
}
function validatefrm() {
    focusobj = '';
    var success = true;
    var fld = null;
    var obj = document.querySelectorAll('.form-control');
    for (i = 0; i < obj.length; i++) {
        err = 0;
        if (obj[i].hasAttribute('required') && obj[i].value.split(' ').join('') == '') {
            if (fld == '') {
                fld = obj[i];
            }
            err = updatefield(obj[i]);
        }
        if ( obj[i].type == 'email' && obj[i].value != '' )
            err = updatefield(obj[i]);
        if ( obj[i].hasAttribute('data-min-words') && obj[i].value != '' )
            err = updatefield(obj[i]);
        if ( err == 1 && focusobj == '' )
            focusobj = obj[i].id;
        if ( err == 1 )
            success = false;
    }
console.log(focusobj);
console.log(success);
    if ( focusobj != '' )
    {
        errid = focusobj + '_err';
        silver(focusobj).focus();
    }
    return success;
}