/**
 * Adjust the output of redoc to point the download link to a raw spec file that the build script will provide.
 */
(function () {
	var downloadParagraphText = "Download OpenAPI specification";
	var changeInLinkText = "_specs/";
	var changeReplacementInLinkText = "emtellipro/";
	var checkInterval = 10;

	function findLink() {
		var paras = document.getElementsByTagName("p");
		for (paraI = 0; paraI < paras.length; paraI++) {
			var para = paras[paraI];
			if (para.innerHTML.startsWith(downloadParagraphText))
				return para.getElementsByTagName("a")[0];
		}
		return null;
	}

	function fixLink(link) {
		link.href = link.href.replace(changeInLinkText, changeReplacementInLinkText);
	}

	function tryFix() {
		var link = findLink();
		if (link != null) {
			fixLink(link);
			return true;
		}
		return false;
	}

	function runCheck() {
		if (!tryFix())
			window.setTimeout(runCheck, checkInterval);
	}
	window.setTimeout(runCheck, checkInterval);
})();