// ==UserScript==
// @name        Better Tripadvisor
// @description Precise ratings, no restaurant ads, website link, phone number, google search link
// @namespace   KrisWebDev
// @author      KrisWebDev
// @include     http://www.tripadvisor.tld/*
// @include     https://www.tripadvisor.tld/*
// @version     2020.08
// @grant       GM_xmlhttpRequest
// @grant       GM_addStyle
// @require     http://code.jquery.com/jquery-2.1.4.min.js
// @icon        https://static.tacdn.com/favicon.ico
// ==/UserScript==

this.$ = this.jQuery = jQuery.noConflict(true);

GM_addStyle('.ui_icon.google::before { content: "\u2315"; }');

// Restaurants: Remove adds
GM_addStyle('div[data-test="SL_list_item"] { display: none; }');


/* PRECISE RATINGS */

var coeff = 5;
var result = 0;
var sumReviews = 0;
var percentReviews = 0;
var stop = 0;

// Hotels
$("label[for^='ReviewRatingFilter_']").parent("li").each(function(index,val) {
  var irating = $(this).children("span").last().text();
  console.log(irating);
  percentReviews = parseInt(irating.replace(/\s+/g, ''));
  result += percentReviews*coeff--;
  sumReviews +=  percentReviews;
});


if (sumReviews) {
  result = (Math.round(result/sumReviews*10))/10;
  // console.log("Result="+result);
  $("span[class*='__overallRating']").css("display","hide");
  $("div#ABOUT_TAB").parent().parent().before($("<div>").attr(
      "style", "font-size: 48px;line-height: 22px;font-weight: 700;color: #078171; padding-bottom: 20px").text(result.toFixed(1)));
}

// Attractions
if (!sumReviews) {
    stop=0;
    $(".row_count").each(function(index, val) {
        if(stop++ == 5)
            return false;
        percentReviews = parseInt($(this).text().replace(/[^0-9]/g, ''));
        result += percentReviews*coeff--;
        sumReviews +=  percentReviews;
        stop++;
    });

    if (sumReviews) {
        // console.log(sumReviews);
        result = (Math.round(result/sumReviews*10))/10;
        console.log("Result="+result);
        $("span[class*='__overallRating']").css("display","hide");
        $("div#btf_wrap").prepend($("<div>").attr(
            "style", "font-size: 48px;line-height: 22px;font-weight: 700;color: #078171; padding-top: 20px").text(result.toFixed(1)));
    }
}

// Attraction Reviews
if (!sumReviews) {
    stop=0;
    $(".row_num.is-shown-at-tablet").each(function(index, val) {
        if(stop++ == 5)
            return false;
        percentReviews = parseInt($(this).text().replace(/[^0-9]/g, ''));
        result += percentReviews*coeff--;
        sumReviews +=  percentReviews;
        stop++;
    });

    if (sumReviews) {
        result = (Math.round(result/sumReviews*10))/10;
        // console.log("Result="+result);
        $("span[class*='__overallRating']").css("display","hide");
        $("div#REVIEWS").parent().prepend($("<div>").attr(
            "style", "font-size: 48px;line-height: 22px;font-weight: 700;color: #078171; padding-bottom: 20px").text(result.toFixed(1)));
    }
}



if (sumReviews) {
  result = (Math.round(result/sumReviews*10))/10;
  // console.log("Result="+result);
  $("span[class*='__overallRating']").css("display","hide");
  $("div#ABOUT_TAB").parent().parent().before($("<div>").attr(
      "style", "font-size: 48px;line-height: 22px;font-weight: 700;color: #078171; padding-bottom: 20px").text(result.toFixed(1)));
}

/* LEFT/RIGHT KEYS TO SLIDE PHOTOS */
/*
$(document).keyup(function(e) {
     switch (e.key) {
         case "ArrowRight":
             $("div.navigationItem.single-chevron-right").click();
             break;
         case "ArrowLeft":
             $("div.navigationItem.single-chevron-left").click();
             break;
     }
});
*/

/* HELPER FUNCTIONS */

function getHTTP(queryURL, handlerPassArg, handler) {
	var http;
	GM_xmlhttpRequest({
		method: "GET",
		url: queryURL,
		timeout: 15000,
        headers:    {
        Referer:  document.URL
        },
		onreadystatechange: function(http) {
			if (http.readyState == 4) {
				if(http.status == 200) {
					handler(http.responseText, handlerPassArg, queryURL);
				}
				http = null;
			}

		}
	});
}

/* WEBSITE LINK, PHONE HANDLER */

function appendGeneralInfo(response, jContainer, queryurl) {
    var websiteURL = null;
    var phoneNum = null;
    var genInfoHTML = "";

    if(needPhone)
        if(phoneNum=response.match(/data-attr="phone"\s*value="([0-9 \+\(\)]+)"/))
            genInfoHTML+='<div class="blEntry phone"><a class="ui_link" href="tel:'+phoneNum[1].replace(/ /g, '')+'" data-column="1"><span class="ui_icon phone"></span><span class="is-hidden-mobile detail">'+phoneNum[1]+'</span></a></div>';

    if(needWebsite)
        if(websiteURL=response.match(/data-attr="website"\s*value="(https?:\/\/[^"]+)"/))
            genInfoHTML+='<div class="is-hidden-mobile blEntry website ui_link " data-column="2" data-trackingkey=""><span class="ui_icon laptop detail"></span><a href="'+websiteURL[1].replace(/[\\\"'\x00-\x1F\x7F-\x9F]/g, '')+'" target="_blank"><span class="detail">Website</span></a></div>';

    if (genInfoHTML)
        jContainer.append(genInfoHTML);
}

/* LAUNCHERS */

var jBlRow=$("div.headerBL > .blRow");
if (jBlRow.length) {

    /* GOOGLE SEARCH LINK */

    var jHeader=$("h1#HEADING");
    if(jHeader.length) {
        var googleSearchHTML = "";
        googleSearchHTML+='<div class="is-hidden-mobile blEntry ui_link " data-column="2" data-trackingkey=""><span class="ui_icon google detail"></span><a href="https://www.google.com/search?ie=utf-8&q='+encodeURIComponent(jHeader.text())+'" target="_blank"><span class="detail">Google</span></a></div>';
        jBlRow.append(googleSearchHTML);
    }

    /* WEBSITE LINK, PHONE LAUNCHER */

    var jUpdateListingAnchor=$("a[href^='/UpdateListing-']");
    var blEntryPhone=$(".blEntry.phone");
    var blEntryWebsite=$(".blEntry.website");
    var needPhone=!blEntryPhone.length;// && !$blEntryPhone.find("a[href^='/UpdateListing-']").length;
    var needWebsite=!blEntryWebsite.length;// && !blEntryWebsite.find("a[href^='/UpdateListing-']").length;
    // console.log(needWebsite);
    if (jUpdateListingAnchor.length && (needPhone || needWebsite))
        getHTTP(jUpdateListingAnchor[0].href, jBlRow, appendGeneralInfo);

}