join: reintegrate js code in html

join.html

@@ -1,6 +1,85 @@
 [[!meta title="Join"]]
 
-<script src=js/join.js></script>
+<script>
+	async function checkDuplicate() {
+		var url='https://lab.ilot.io/api/v4/projects/99/issues';
+        var email = document.getElementById("email").value;
+
+		const response = await fetch(url, {
+		headers: {
+			'PRIVATE-TOKEN': 'glpat-RaoZSW_3XMhkGr19k6Wv',
+			'Content-Type': 'application/json',
+		},
+		})
+		const result = await response.json();
+		let index = result
+		.findIndex(item => item.title === email);
+
+		if (index !== -1) {
+			return true;
+		} else {
+			return false;
+		}
+	}
+
+	async function createIssue() {
+	  	var baseurl = 'https://lab.ilot.io/api/v4/projects/99/issues?&labels=Request';
+        var mathspamtrap = document.getElementById("math-spam-trap").value;
+        var agreetoterms = document.getElementById("agree-to-terms").checked;
+        var email = document.getElementById("email").value;
+
+		if(!agreetoterms) {
+			alert("Registration requires agreement of Code of Conduct");
+			return false;
+		}
+
+		if(!email) {
+			alert("Email cannot be empty");
+			return false;
+		}
+
+		if(mathspamtrap != "9") {
+			alert("Wrong math answer");
+			return false;
+		}
+
+		if(await checkDuplicate(email) === true) {
+			alert("This email address has already requested an account");
+			return false;
+		}
+
+        var name = document.getElementById("name").value;
+		var name = name.replace (/^/,'Name: ');
+        var aboutme = document.getElementById("about-me").value;
+		var aboutme = aboutme.replace (/^/,'About me: ');
+		var aboutme = aboutme.replace(/\r?\n/g, "%0A%0A");
+        var howfound = document.getElementById("how-found").value;
+		var howfound = howfound.replace (/^/,'How I found ilot: ');
+		var howfound = howfound.replace(/\r?\n/g, "%0A%0A");
+        var ocuser = document.getElementById("oc-user").value;
+		var ocuser = ocuser.replace (/^/,'OpenCollective Profile: ');
+		var description = name + "%0A%0A" + aboutme + "%0A%0A" + howfound + "%0A%0A" + ocuser;
+		var description = name + "%0A%0A" + aboutme + "%0A%0A" + howfound;
+		var url = baseurl.concat("&title=", email, "&description=", description);
+		console.log('Description:', description);
+
+		fetch(url, {
+		method: 'POST',
+		headers: {
+			'PRIVATE-TOKEN': 'glpat-RaoZSW_3XMhkGr19k6Wv',
+			'Content-Type': 'application/json',
+		},
+		})
+		.then(response => response.json())
+		.then(result => {
+			console.log('Success:', result);
+			alert("Request submitted. A working group member will process your registration shortly. If you receive no contact within seven days of registration, please send an email to support@ilot.io");
+		})
+		.catch(error => {
+			console.error('Error:', error)
+		});
+	}
+</script>
 
 <header class="text-center">
 	<h1 class="post-title">Registration Form</h1>