<!doctype html>
<html>
<head>
<meta charset="utf-8" />
<title>Tesla Charge Control</title>
<link id="favicon" rel="icon"
href="data:image/svg+xml,<svg xmlns=%22http://www.w3.org/2000/svg%22 viewBox=%220 0 100 100%22><text y=%22.9em%22 font-size=%2290%22>⏳</text></svg>">
<script type="text/javascript">
const api_url = window.location.protocol + "//" + window.location.hostname + ":" + window.location.port;
refresh_interval = register();
refresh();
document.addEventListener("visibilitychange", () => {
if (document.hidden) {
clearInterval(refresh_interval);
} else {
refresh();
refresh_interval = register();
}
});
function register() {
return setInterval(refresh, 10000);
}
function flash() {
fetch(api_url + "/flash", { method: "POST" })
.then((response) => console.log(response));
}
function refresh() {
let favicon = document.getElementById("favicon");
favicon.setAttribute("href", "data:image/svg+xml,<svg xmlns=%22http://www.w3.org/2000/svg%22 viewBox=%220 0 100 100%22><text y=%22.9em%22 font-size=%2290%22>" + "⏳" + "</text></svg>");
fetch(api_url + "/charge-state")
.then((response) => response.json())
.then((json) => update_charge_state(json));
fetch(api_url + "/home").then((response) => response.json()).then((response) => update_home(response));
}
function update_charge_state(charge_state) {
let favicon = document.getElementById("favicon");
favicon.setAttribute("href", "data:image/svg+xml,<svg xmlns=%22http://www.w3.org/2000/svg%22 viewBox=%220 0 100 100%22><text y=%22.9em%22 font-size=%2290%22>" + get_emoji(charge_state) + "</text></svg>");
var info_div = document.getElementById("info");
while (info_div.childElementCount > 0) { info_div.removeChild(info_div.firstChild) }
var arr = ["Battery " + charge_state.battery_level + "%", "Range: " + (charge_state.battery_range * 1.60934).toFixed(1) + "km", "Charging at " + charge_state.charge_rate.toFixed(1) + " amps", "Charging until battery at " + charge_state.charge_limit_soc + "%",
];
for (line in arr) {
el = document.createElement('p');
el.appendChild(document.createTextNode(arr[line]));
info_div.appendChild(el)
}
el = document.createElement('p');
el.appendChild(document.createTextNode("Full charge state:"));
state_json = document.createElement('pre');
state_json.appendChild(document.createTextNode(JSON.stringify(charge_state, null, '\t')));
el.appendChild(state_json);
info_div.appendChild(el);
}
function update_home(response) {
var info_div = document.getElementById("info");
el = document.createElement('p');
if (response) {
el.appendChild(document.createTextNode("At home"));
} else {
el.appendChild(document.createTextNode("Not home"));
}
info_div.appendChild(el);
}
function get_emoji(charge_state) {
if (charge_state.charge_rate > 0) {
return "🔌";
} else if (charge_state.battery_level < 60) {
return "🪫"
} else return "🔋";
}
</script>
</head>
<body></body>
<div>
<h2>
<a href="/grafana">Grafana</a>
</h2>
</div>
<button onclick="flash()">flash</button>
<div id="info"></div>
</html>