basic version working

src/index.ts

@@ -0,0 +1,142 @@
+import { serveFile } from "@std/http/file-server";
+import { WSHeartbeat } from "./heartbeat.ts";
+import { Registration } from "./registration.ts";
+import { parseCommand } from "./commandbuilder.ts";
+import { Authentication } from "./auth.ts";
+import { Device } from "./device.ts";
+
+// deno-lint-ignore no-explicit-any
+async function wsStartHandler(this: WebSocket, msg: MessageEvent<any>) {
+  const data = parseCommand(msg.data);
+  if (data === null) return;
+
+  switch (data.c as string) {
+    case "reg_start":
+      {
+        new Registration(this);
+
+        this.removeEventListener("message", wsStartHandler);
+        break;
+      }
+    case "auth_start": {
+      await new Authentication(this).authenticate(data);
+      this.removeEventListener("message", wsStartHandler);
+      break;
+    }
+
+    default:
+      break;
+  }
+}
+
+function handlePrompt(prompt: string) {
+  let tokens = prompt.match(/(?:[^\s"]+|"[^"]*")+/g) || [] as string[];
+  tokens = tokens.map((v) => v.replaceAll(/"([^"]*)"+/g, "$1"));
+  if (tokens.length === 0) return;
+
+  switch (tokens[0]) {
+    case "pin": {
+      const pin = +tokens[1];
+      if (pin === 0 || isNaN(pin)) return;
+
+      console.log(Registration.validate(pin) ? "great success" : "invalid pin");
+      break;
+    }
+    case "devices": {
+      console.debug(Device.devices);
+      break;
+    }
+    case "startsession": {
+      if (tokens.length < 3) return;
+      if (!(tokens[1] in Device.devices)) {
+        console.log("invalid uuid");
+        return;
+      }
+
+      const device = Device.devices[tokens[1]];
+      if (!device.connected) {
+        console.log("Device not connected.");
+        return;
+      }
+
+      device.startSession(tokens[2]);
+      console.log("great success");
+
+      break;
+    }
+    case "stopsession": {
+      if (tokens.length < 2) return;
+      if (!(tokens[1] in Device.devices)) {
+        console.log("invalid uuid");
+        return;
+      }
+
+      const device = Device.devices[tokens[1]];
+      if (!device.connected) {
+        console.log("Device not connected.");
+        return;
+      }
+
+      device.stopSession();
+      console.log("great success");
+      break;
+    }
+    case "votes": {
+      if (tokens.length < 2) return;
+      if (!(tokens[1] in Device.devices)) {
+        console.log("invalid uuid");
+        return;
+      }
+
+      const device = Device.devices[tokens[1]];
+      if (!device.connected) {
+        console.log("Device not connected.");
+        return;
+      }
+
+      console.log(device.latestVotes);
+    }
+  }
+}
+
+const WS_ROUTE = new URLPattern({ pathname: "/ws" });
+Deno.serve((req) => {
+  if (WS_ROUTE.exec(req.url) === null) {
+    return serveFile(req, "./static/index.html");
+  }
+  if (req.headers.get("upgrade") != "websocket") {
+    return new Response(null, { status: 426 });
+  }
+
+  const { socket, response } = Deno.upgradeWebSocket(req);
+  new WSHeartbeat(socket);
+
+  socket.addEventListener("message", wsStartHandler);
+  return response;
+});
+
+const decoder = new TextDecoder();
+
+console.info(`
+Commands:
+- pin <int>
+  used to activate device.
+- devices
+  list devices
+- startsession <uuid> "<text>"
+  starts a voting session
+- stopsession <uuid>
+  stops a voting session
+- votes <uuid>
+  grabs the latest votes.
+`);
+
+Deno.stdout.write(Uint8Array.from([62, 32])); // '> '
+while (true) { // ja dit is scuffed, nee het werkt niet goed, nee ik ga er niks aan doen.
+  for await (const chunk of Deno.stdin.readable) {
+    const prompt = decoder.decode(chunk).trim();
+    if (prompt !== "") handlePrompt(prompt);
+
+    Deno.stdout.write(Uint8Array.from([62, 32])); // '> '
+  }
+}