feat(config)!: Fulfillment config is now returned at the end of the config

Previously the fulfillment config was set by setting
`automation.fulfillment`, this will no longer work in the future when
the global automation gets split into modules.

config.lua

@@ -1,3 +1,4 @@
+local automation = require("automation")
 print(_VERSION)
 
 local host = automation.util.get_hostname()
@@ -16,7 +17,7 @@ local function mqtt_automation(topic)
 	return "automation/" .. topic
 end
 
-automation.fulfillment = {
+local fulfillment = {
 	openid_url = "https://login.huizinga.dev/api/oidc",
 }
 
@@ -677,3 +678,5 @@ end)
 automation.device_manager:schedule("0 0 20 * * *", function()
 	bedroom_air_filter:set_on(false)
 end)
+
+return fulfillment

src/main.rs

@@ -6,7 +6,6 @@ use std::path::Path;
 use std::process;
 use std::time::{SystemTime, UNIX_EPOCH};
 
-use anyhow::anyhow;
 use automation_lib::config::{FulfillmentConfig, MqttConfig};
 use automation_lib::device_manager::DeviceManager;
 use automation_lib::helpers;
@@ -77,7 +76,6 @@ async fn app() -> anyhow::Result<()> {
     // Setup the device handler
     let device_manager = DeviceManager::new().await;
 
-    let fulfillment_config = {
     let lua = mlua::Lua::new();
 
     lua.set_warning_function(|_lua, text, _cont| {
@@ -154,7 +152,7 @@ async fn app() -> anyhow::Result<()> {
     util.set("get_epoch", get_epoch)?;
     automation.set("util", util)?;
 
-        lua.globals().set("automation", automation)?;
+    lua.register_module("automation", automation)?;
 
     automation_devices::register_with_lua(&lua)?;
     helpers::register_with_lua(&lua)?;
@@ -162,24 +160,9 @@ async fn app() -> anyhow::Result<()> {
     // TODO: Make this not hardcoded
     let config_filename = std::env::var("AUTOMATION_CONFIG").unwrap_or("./config.lua".into());
     let config_path = Path::new(&config_filename);
-        match lua.load(config_path).exec_async().await {
-            Err(error) => {
-                println!("{error}");
-                Err(error)
-            }
-            result => result,
-        }?;
 
-        let automation: mlua::Table = lua.globals().get("automation")?;
-        let fulfillment_config: Option<mlua::Value> = automation.get("fulfillment")?;
-        if let Some(fulfillment_config) = fulfillment_config {
+    let fulfillment_config: mlua::Value = lua.load(config_path).eval_async().await?;
     let fulfillment_config: FulfillmentConfig = lua.from_value(fulfillment_config)?;
-            debug!("automation.fulfillment = {fulfillment_config:?}");
-            fulfillment_config
-        } else {
-            return Err(anyhow!("Fulfillment is not configured"));
-        }
-    };
 
     // Create google home fulfillment route
     let fulfillment = Router::new().route("/google_home", post(fulfillment));