From d51dd2763024d0e365178085ccb700698d6c51b4 Mon Sep 17 00:00:00 2001
From: Knut Ahlers <knut@ahlers.me>
Date: Sun, 20 Feb 2022 14:05:31 +0100
Subject: [PATCH] [overlays] Add a simple overlay to display a template

Signed-off-by: Knut Ahlers <knut@ahlers.me>
---
 .../apimodules/overlays/default/template.html | 38 +++++++++++++++++++
 1 file changed, 38 insertions(+)
 create mode 100644 internal/apimodules/overlays/default/template.html
diff --git a/internal/apimodules/overlays/default/template.html b/internal/apimodules/overlays/default/template.html
new file mode 100644
index 0000000..5a18323
--- /dev/null
+++ b/internal/apimodules/overlays/default/template.html
@@ -0,0 +1,38 @@
+<html>
+  <style>
+    [v-cloak] { display: none; }
+    html {
+      font-family: sans-serif;
+    }
+  </style>
+
+  <div id="content" />
+
+  <script type="module">
+    import EventClient from './eventclient.mjs'
+
+    function updateTemplate(botClient) {
+      return botClient.renderTemplate(botClient.paramOptionFallback('template', ''))
+        .then(content => { document.querySelector('#content').innerText = content })
+    }
+
+    (() => {
+      // Connect to Bot
+      const botClient = new EventClient({
+        handlers: {},
+        replay: false,
+      })
+
+      // Initially fetch template string
+      updateTemplate(botClient)
+
+      // Add interval if requested
+      const interval = Number(botClient.paramOptionFallback('interval', 0))
+      if (interval && interval > 0) {
+        window.setInterval(() => updateTemplate(botClient), interval * 1000)
+      }
+    })()
+  </script>
+</html>
+
+<!-- vim: set sw=2 : -->
