feat: Generate definitions for config

Moves the application config out of automation_lib and sets up the
config return type for further expansion.

Cargo.lock

@@ -99,6 +99,7 @@ dependencies = [
  "git-version",
  "google_home",
  "inventory",
+ "lua_typed",
  "mlua",
  "reqwest",
  "rumqttc",

Cargo.toml

@@ -77,6 +77,7 @@ config = { version = "0.15.15", default-features = false, features = [
 ] }
 git-version = "0.3.9"
 google_home = { workspace = true }
+lua_typed = { workspace = true }
 inventory = { workspace = true }
 mlua = { workspace = true }
 reqwest = { workspace = true }

config.lua

@@ -744,6 +744,7 @@ device_manager:schedule("0 0 20 * * *", function()
 	bedroom_air_filter:set_on(false)
 end)
 
+---@type Config
 return {
 	fulfillment = {
 		openid_url = "https://login.huizinga.dev/api/oidc",

definitions/config.lua

@@ -0,0 +1,12 @@
+-- DO NOT MODIFY, FILE IS AUTOMATICALLY GENERATED
+---@meta
+
+---@class FulfillmentConfig
+---@field openid_url string
+---@field ip string?
+---@field port integer?
+local FulfillmentConfig
+
+---@class Config
+---@field fulfillment FulfillmentConfig
+local Config

src/bin/generate_definitions.rs

@@ -1,32 +1,57 @@
 use std::fs::{self, File};
 use std::io::Write;
 
+use automation::config::{Config, FulfillmentConfig};
 use automation_lib::Module;
+use lua_typed::Typed;
 use tracing::{info, warn};
 
 extern crate automation_devices;
 
-fn main() -> std::io::Result<()> {
+fn write_definitions(filename: &str, definitions: &str) -> std::io::Result<()> {
-    tracing_subscriber::fmt::init();
-
     let definitions_directory =
         std::path::Path::new(std::env!("CARGO_MANIFEST_DIR")).join("definitions");
     fs::create_dir_all(&definitions_directory)?;
 
+    let mut file = File::create(definitions_directory.join(filename))?;
+
+    file.write_all(b"-- DO NOT MODIFY, FILE IS AUTOMATICALLY GENERATED\n")?;
+    file.write_all(definitions.as_bytes())?;
+
+    // Make sure we have a trailing new line
+    if !definitions.ends_with("\n") {
+        file.write_all(b"\n")?;
+    }
+
+    Ok(())
+}
+
+fn config_definitions() -> String {
+    let mut output = "---@meta\n\n".to_string();
+
+    output +=
+        &FulfillmentConfig::generate_full().expect("FulfillmentConfig should have a definition");
+    output += "\n";
+    output += &Config::generate_full().expect("FulfillmentConfig should have a definition");
+
+    output
+}
+
+fn main() -> std::io::Result<()> {
+    tracing_subscriber::fmt::init();
+
     for module in inventory::iter::<Module> {
         if let Some(definitions) = module.definitions() {
             info!(name = module.get_name(), "Generating definitions");
 
             let filename = format!("{}.lua", module.get_name());
-            let mut file = File::create(definitions_directory.join(filename))?;
+            write_definitions(&filename, &definitions)?;
-
-            file.write_all(b"-- DO NOT MODIFY, FILE IS AUTOMATICALLY GENERATED\n")?;
-            file.write_all(definitions.as_bytes())?;
-            file.write_all(b"\n")?;
         } else {
             warn!(name = module.get_name(), "No definitions");
         }
     }
 
+    write_definitions("config.lua", &config_definitions())?;
+
     Ok(())
 }

src/config.rs

@@ -1,6 +1,7 @@
 use std::collections::HashMap;
 use std::net::{Ipv4Addr, SocketAddr};
 
+use lua_typed::Typed;
 use serde::Deserialize;
 
 #[derive(Debug, Deserialize)]
@@ -17,16 +18,18 @@ fn default_entrypoint() -> String {
     "./config.lua".into()
 }
 
-#[derive(Debug, Deserialize)]
+#[derive(Debug, Deserialize, Typed)]
 pub struct FulfillmentConfig {
     pub openid_url: String,
     #[serde(default = "default_fulfillment_ip")]
+    #[typed(default)]
     pub ip: Ipv4Addr,
     #[serde(default = "default_fulfillment_port")]
+    #[typed(default)]
     pub port: u16,
 }
 
-#[derive(Debug, Deserialize)]
+#[derive(Debug, Deserialize, Typed)]
 pub struct Config {
     pub fulfillment: FulfillmentConfig,
 }