s3mws.engines.google = {};
s3mws.engines.google.search_url = 'https://www.google.com/search?start=%PAGE%&q=%TEXT%';

//------------------------------------------------------------------------------
s3mws.engines.google.get_name = function() {
    var engine_name = '';
    try {
        var stringbundle = document.getElementById("s3mws_stringbundle");
        engine_name = stringbundle.getString('search.engine.name.google');
    } catch(e) {
        engine_name = 'google';
    }
    return engine_name;
}
//------------------------------------------------------------------------------
s3mws.engines.google.create_url = function(text, page) {
    var url = s3mws.engines.google.search_url;
    if (page) {
        page--;
        page *= 10;
    } else {
        page = 0;
    }
    url = url.replace('%PAGE%', page).replace('%TEXT%', s3mws.utils.urlencode(text));
    return url;
}
//------------------------------------------------------------------------------
s3mws.engines.google.search = function(text, page) {
    var url = s3mws.engines.google.create_url(text, page);
    s3mws.utils.get_request(url, text, false, { 'func': s3mws.engines.google.parse });
    return true;
}
//------------------------------------------------------------------------------
s3mws.engines.google.parse = function(text) {
    text = text.replace(/[\n\r]/g, ' ');
    var result = { 'is_captcha': false, 'is_result': false, 'list': [], 'pages': [], 'engine': 'google' };
    if (/action=\"CaptchaRedirect\"/.test(text) || /id=\"captcha\"/.test(text)) {
        result.is_captcha = true;
    }

    var res_list = /id="ires">(.*?)id="foot"/i.exec(text);
    if (res_list == null) { return s3mws.search_make(result); };

    var res_search = [];
    var myRe = /<li.*?<\/li/g;
    while ((res_search = myRe.exec(res_list[1])) != null) {
        //----------------------------------------------------------------
        var link = /<a[^>]+href="([^\"]+)/i.exec(res_search[0]);
        if (link != null) {
            link = link[1];
            link = decodeURIComponent(link.replace(/^.*?http/,'http').replace(/^(.*?)\&.*$/,'$1'));
            if (! /^https?\:\/\//.test(link)) {
                link = '';
            }
        }
        //----------------------------------------------------------------
        var title = /<a .*?>(.*?)<\/a/i.exec(res_search[0]);
        if (title != null) {
            title = title[1];
            title = s3mws.utils.clean_text(title);
        }
        //----------------------------------------------------------------
        var text_result = /<span class="st">(.*?)<\/span/i.exec(res_search[0]);
        if (text_result != null) {
            text_result = text_result[1];
            text_result = s3mws.utils.clean_text(text_result);
        }
        //----------------------------------------------------------------
        if (link && title && text_result) {
            result.list.push({ 'link' : link, 'title' : title, 'text' : text_result });
            result.is_result = true;
        }
    }
    //----------------------------------------------------------------------
    if (result.is_result) {
        var page_list = /<table[^>]+id=\"mnav\"(.*?)<\/table/ig.exec(text);
        if (page_list != null) {
            var myRe2 = /<a[^>]+href=[\'\"]?\/search.*?;start=(\d+).*?<\/a/g;
            while ((res_search = myRe2.exec(page_list[1])) != null) {
                //----------------------------------------------------------------
                var page = parseInt(res_search[1]/10)+1;
                if (page > 0) {
                    result.pages.push(page);
                }
            }
        }
    }

    return s3mws.search_make(result);
}
//------------------------------------------------------------------------------