get real mqtt connection working

src/mqtt.gleam

@@ -1,47 +1,44 @@
 import config
 import gleam/erlang/process
-import gleam/int
+import gleam/option.{None, Some}
-import gleam/io
-import gleam/option.{None}
-import gleam/string
 import spoke/mqtt
 import spoke/mqtt_actor
 import spoke/tcp
 
-pub fn start(cfg: config.Config) {
+pub fn start(
+  cfg: config.Config,
+  updates_subject: process.Subject(mqtt.Update),
+) -> mqtt_actor.Client {
   let client_id = cfg.mqtt_client_id
-  let topic = "spoke-test"
+  let password = <<cfg.mqtt_pw:utf8>>
-
+  let auth = mqtt.AuthDetails(username: cfg.mqtt_user, password: Some(password))
+  let transport = tcp.connector_with_defaults(cfg.mqtt_host)
+  let connection_options =
+    mqtt.ConnectOptions(
+      client_id: client_id,
+      authentication: Some(auth),
+      transport_options: transport,
+      keep_alive_seconds: 15,
+      server_timeout_ms: 5000,
+    )
   let assert Ok(started) =
-    tcp.connector_with_defaults(cfg.mqtt_host)
+    mqtt_actor.build(connection_options) |> mqtt_actor.start(100)
-    |> mqtt.connect_with_id(client_id)
-    |> mqtt_actor.build()
-    |> mqtt_actor.start(100)
   let client = started.data
 
-  let updates = process.new_subject()
+  mqtt_actor.subscribe_to_updates(client, updates_subject)
-  mqtt_actor.subscribe_to_updates(client, updates)
   mqtt_actor.connect(client, True, None)
 
   let assert Ok(mqtt.ConnectionStateChanged(mqtt.ConnectAccepted(_))) =
-    process.receive(updates, 5000)
+    process.receive(updates_subject, 5000)
+  client
+}
 
-  let assert Ok(_) =
+pub fn subscribe(client: mqtt_actor.Client, topic: String) {
   mqtt_actor.subscribe(client, [
     mqtt.SubscribeRequest(topic, mqtt.ExactlyOnce),
   ])
+}
 
-  let message =
+pub fn disconnect(client: mqtt_actor.Client) {
-    mqtt.PublishData(
-      topic,
-      <<"Hello from spoke!">>,
-      mqtt.AtLeastOnce,
-      retain: False,
-    )
-  mqtt_actor.publish(client, message)
-
-  let message = process.receive(updates, 1000)
-  io.println(string.inspect(message))
-
   mqtt_actor.disconnect(client)
 }

src/weather_portal.gleam

@@ -1,15 +1,17 @@
 import config
 import gleam/erlang/process
 import gleam/io
-
+import mqtt
-// import mqtt
 import mqtt_dummy
 import sensors
 
 pub fn main() -> Nil {
-  let _cfg = config.load_config()
+  let cfg = config.load_config()
   io.println("Config loaded successfully!")
 
+  let mqtt_updates = process.new_subject()
+  let client = mqtt.start(cfg, mqtt_updates)
+
   let assert Ok(dummy_one) = mqtt_dummy.start()
   let assert Ok(dummy_two) = mqtt_dummy.start()
   process.send_after(dummy_one, 1000, mqtt_dummy.Proc)