ShortLink

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const admin_path = '/yearcakes'
const api_path = '/api'
const url_key = 'orgi_url' // original url key
const url_name = 'short_code' // short code key
const short_url_key = 'short_url'; // full short url

const index = `<!doctype html>
<html lang="en">

<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">


<link href="https://cdn.jsdelivr.net/npm/bootstrap@5.1.3/dist/css/bootstrap.min.css" rel="stylesheet" integrity="sha384-1BmE4kWBq78iYhFldvKuhfTAU6auU8tT94WrHftjDbrCEXSU1oBoqyl2QvZ6jIW3" crossorigin="anonymous">

<title>🔗 ShortLink</title>
</head>

<style>
.bd-placeholder-img {
font-size: 1.125rem;
text-anchor: middle;
-webkit-user-select: none;
-moz-user-select: none;
user-select: none;
}

@media (min-width: 768px) {
.bd-placeholder-img-lg {
font-size: 3.5rem;
}
}

.btn-secondary,
.btn-secondary:hover,
.btn-secondary:focus {
color: #333;
text-shadow: none;
}

body {
text-shadow: 0 .05rem .1rem rgba(0, 0, 0, .5);
}

.cover-container {
max-width: 42em;
}

.nav-masthead .nav-link {
padding: .25rem 0;
font-weight: 700;
color: rgba(255, 255, 255, .5);
background-color: transparent;
border-bottom: .25rem solid transparent;
}

.nav-masthead .nav-link:hover,
.nav-masthead .nav-link:focus {
border-bottom-color: rgba(255, 255, 255, .25);
}

.nav-masthead .nav-link+.nav-link {
margin-left: 1rem;
}

.nav-masthead .active {
color: #fff;
border-bottom-color: #fff;
}
</style>

</head>

<body class="d-flex h-100 text-center text-white bg-dark">

<div class="cover-container d-flex w-100 h-100 p-3 mx-auto flex-column">
<header class="mb-auto">
<div>
<h3 class="float-md-start mb-0">🔗 ShortLink</h3>

</div>
</header>
<br>
<br>
<main class="px-3">
<p id="result" class="lead"></p>

<br>
<div id="link_div" class="input-group mb-3">
<!-- <input type="text" id="link" class="form-control" placeholder="link" aria-label="link"> -->
<select class="form-control" id="select">
<option value="link">🔗 Link</option>
<option value="text">📄 Text</option>
</select>
<input type="text" id="name" placeholder="short code" class="input-group-text">
</div>
<div id="text_div">
<textarea id="link" placeholder="link/text.." class="form-control" rows="10"></textarea><br>
</div>
<p class="lead">
<a href="#" onclick="getlink()" class="btn btn-lg btn-secondary fw-bold border-white bg-white">🚀 Get</a>
</p>
</main>




</div>
<script>
async function postData(url = '', data = {}) {
// Default options are marked with *
const response = await fetch(url, {
method: 'POST', // *GET, POST, PUT, DELETE, etc.
mode: 'cors', // no-cors, *cors, same-origin
cache: 'no-cache', // *default, no-cache, reload, force-cache, only-if-cached
credentials: 'same-origin', // include, *same-origin, omit
headers: {
'Content-Type': 'application/json'
// 'Content-Type': 'application/x-www-form-urlencoded',
},
redirect: 'follow', // manual, *follow, error
referrerPolicy: 'no-referrer', // no-referrer, *no-referrer-when-downgrade, origin, origin-when-cross-origin, same-origin, strict-origin, strict-origin-when-cross-origin, unsafe-url
body: JSON.stringify(data) // body data type must match "Content-Type" header
});
return response.json(); // parses JSON response into native JavaScript objects
}

function getlink() {
document.getElementById('result').innerHTML = "Adding to database.."
let link = document.getElementById('link').value
const name = document.getElementById('name').value
const type = document.getElementById('select').value
if (link.indexOf('http') == -1 && type == "link") {
link = 'http://' + link
}
postData("${api_path}", {
"${url_key}": link,
"${url_name}": name,
"type": type
}).then(resp => {
var url = document.location.protocol + '//' + document.location.host + '/' + resp['${url_name}']
document.getElementById('result').innerHTML = url
document.getElementById('name').value = resp['${url_name}']
})
}
</script>

</html>`



addEventListener('fetch', event => {
event.respondWith(handleRequest(event.request))
})

/**
* Respond with hello worker text
* @param {Request} request
*/

async function handleRequest(request) {
const { protocol, hostname, pathname } = new URL(request.url);
// index.html
if (pathname == admin_path) {
return new Response(index, {
headers: { 'content-type': 'text/html; charset=utf-8' },
})
}
// short api
if (pathname.startsWith(api_path)) {
const body = JSON.parse(await request.text());
console.log(body)
var short_type = 'link'
if (body['type'] != undefined && body['type'] != "") {
short_type = body['type'];
}

if (body[url_name] == undefined || body[url_name] == "" || body[url_name].length < 2) {
body[url_name] = Math.random().toString(36).slice(-5)
}
await shortlink.put(body[url_name], JSON.stringify({
"type": short_type,
"value": body[url_key]
}))
body[short_url_key] = `${protocol}//${hostname}/${body[url_name]}`
return new Response(JSON.stringify(body), {
headers: { "Content-Type": "text/plain; charset=utf-8" },
});
}
const key = pathname.replace('/', '')
if (key == "") {
return new Response(`Please login your account first`, {
headers: { 'content-type': 'text/plain; charset=utf-8' },
})
}
let link = await shortlink.get(key)
if (link != null) {
link = JSON.parse(link)
console.log(link)
// redirect
if (link['type'] == "link") {
return Response.redirect(link['value'], 302);
} else {
// textarea
return new Response(`${link['value']}`, {
headers: { 'content-type': 'text/plain; charset=utf-8' },
})
}
}
return new Response(`Page Not Found`, {
headers: { 'content-type': 'text/plain; charset=utf-8' },
})
}