// ==UserScript==
// @name    phonenumber-линкификатор
// @version    1.0
// @namespace    http://userscripts.org/scripts/show/88068
// @include     http://*
// @exclude    http://acid3.acidtests.org/*
// ==/UserScript==

document.addEventListener('DOMContentLoaded',function(){
// Регэксп для телефонов - первые два общие, последний для слитных номеров в РФ 
// надеюсь никто не смотрит странички про сложение 11 значных чисел и текстовые url с +№ в них? :)
const numberRegex = /(\+?\d{1,3}[\s\-]*\(\s*\d{2,4}\s*\)([\s\-]*\d{2,4}){2,3})|(\+?\d{0,3}[\s\(]+\d{2,3}[\s\)]+((\d{2,3}\-\d{2}\-\d{2})|(\d{2,3}\-\d{4})))|((\+7|^8)[\s\-\(]{0,2}\d{3}[\)\s\-]{0,2}\d{2,3}\-?\d{2}-?\d{2})/g;

function phonenumberformat(t) {
    // Замена номера 89********* в удобный вид +7(9**)***-**-**
    var fixedNum;
    fixedNum = '+7(' + String(t).charAt(1) + String(t).charAt(2) + String(t).charAt(3) + ')'
                 + String(t).charAt(4) + String(t).charAt(5) + String(t).charAt(6) + '-'
                 + String(t).charAt(7) + String(t).charAt(8) + '-'
                 + String(t).charAt(9) + String(t).charAt(10);
    return fixedNum;
}

// теги, в содержимом которых может быть номер телефона
var allowedParents = [ 'a', 'abbr', 'acronym', 'address', 'b', 'bdo', 'big', 'blockquote', 'body', 'caption', 'center', 'cite', 'dd', 'del', 'div', 'dfn', 'dt', 'em', 'fieldset', 'font', 'form', 'h1', 'h2', 'h3', 'h4', 'h5', 'h6', 'i', 'iframe', 'ins', 'kdb', 'li', 'nobr', 'object', 'pre', 'p', 'q', 'samp', 'small', 'span', 'strike', 's', 'strong', 'sub', 'sup', 'td', 'th', 'tt', 'u', 'var' ];

// иконка phonenumber
var phonenumberImage = 'data:image/x-icon;base64,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';

var xpath = '//text()[(parent::' + allowedParents.join(' or parent::') + ')]';
var candidates = document.evaluate(xpath, document, null, XPathResult.UNORDERED_NODE_SNAPSHOT_TYPE, null);

for (var cnd = null, i = 0; (cnd = candidates.snapshotItem(i)); i++) {
    if (numberRegex.test(cnd.nodeValue)) {
        var span = document.createElement('span');
        var source = cnd.nodeValue;
        
        cnd.parentNode.replaceChild(span, cnd);
    
        numberRegex.lastIndex = 0;
        for (var match = null, lastLastIndex = 0; (match = numberRegex.exec(source)); ) {
            span.appendChild(document.createTextNode(source.substring(lastLastIndex, match.index)));
            
            var img = document.createElement('img');
            img.setAttribute('alt','phonenumber');
            img.setAttribute('title', 'phonenumber');
            img.setAttribute('style', 'vertical-align:top; margin-right: 4px;');
            img.setAttribute('src', phonenumberImage);

            var a = document.createElement('a');
//            a.setAttribute('style', 'vertical-align:middle;');
            a.appendChild(document.createTextNode(phonenumberformat(match[0])));

            span.appendChild(img);
            span.appendChild(a);
    
            lastLastIndex = numberRegex.lastIndex;
        }
    
        span.appendChild(document.createTextNode(source.substring(lastLastIndex)));
        span.normalize();
    }
}
}, false);