// ==UserScript==
// @name        Amazon Price Variation (Fork)
// @namespace   dsr-price-variation-camel
// @description Embeds CamelCamelCamel price chart in Amazon
// @include     http://www.amazon.*/*
// @include     https://www.amazon.*/*
// @include     http://smile.amazon.*/*
// @include     https://smile.amazon.*/*
// @version     20171209
// @grant       none
// @require     https://ajax.googleapis.com/ajax/libs/jquery/1.12.4/jquery.min.js
// ==/UserScript==
var width = 500;
var height = 200;
var duration = "1y";
//Possible other values are "amazon", "new", "used", "new-used", & "amazon-new-used"
var chart = "amazon-new";
$(document).ready(function () {
var element = $(':input[name="ASIN"]');
var arr = document.domain.split(".");
var country = arr[arr.length - 1];
if (country == "com") {
country = "us";
}
if (element) {
var prot = window.location.protocol;
var asin = $.trim(element.attr("value"));
var link = "<a target='blank' href='" + prot + "//" + country + ".camelcamelcamel.com/product/" + asin + "'>"  +
"<img src='" + prot + "//charts.camelcamelcamel.com/" + country + "/" + asin + "/" + chart + ".png?force=1&zero=0&w=" + width + "&h=" + height + "&desired=false&legend=1&ilt=1&tp=" + duration + "&fo=0'/>" +
"</a>";
$("#availability").append("<div id='camelcamelcamel' style='margin-top: 0px; margin-left: 0px'>" + link + "</div>");
}
});