feat: introduce logging

Signed-off-by: kjuulh <contact@kjuulh.io>

Cargo.lock

@@ -538,6 +538,7 @@ dependencies = [
  "anyhow",
  "async-trait",
  "clap 4.4.4",
+ "crunch-file",
  "thiserror",
  "tokio",
  "tracing",
@@ -572,6 +573,7 @@ dependencies = [
  "serde",
  "tokio",
  "toml_edit",
+ "tracing",
 ]
 
 [[package]]

Cargo.toml

@@ -8,6 +8,7 @@ crunch-traits = { path = "crates/crunch-traits" }
 crunch-envelope = { path = "crates/crunch-envelope" }
 crunch-in-memory = { path = "crates/crunch-in-memory" }
 crunch-nats = { path = "crates/crunch-nats" }
+crunch-file = {path = "crates/crunch-file"}
 
 anyhow = { version = "1.0.71" }
 tokio = { version = "1", features = ["full"] }

crates/crunch-cli/Cargo.toml

@@ -6,6 +6,8 @@ edition = "2021"
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
 [dependencies]
+crunch-file.workspace = true
+
 anyhow.workspace = true
 tracing.workspace = true
 tokio.workspace = true

crates/crunch-cli/src/logging.rs

@@ -0,0 +1,41 @@
+use clap::ValueEnum;
+use tracing::Level;
+
+#[derive(Clone, ValueEnum)]
+pub enum LogArg {
+    None,
+    Trace,
+    Debug,
+    Info,
+    Warn,
+    Error,
+}
+
+impl LogArg {
+    pub fn init_logging(&self) {
+        match self {
+            LogArg::None => {}
+            LogArg::Trace => {
+                tracing_subscriber::fmt()
+                    .with_max_level(Level::TRACE)
+                    .init();
+            }
+            LogArg::Debug => {
+                tracing_subscriber::fmt()
+                    .with_max_level(Level::DEBUG)
+                    .init();
+            }
+            LogArg::Info => {
+                tracing_subscriber::fmt().with_max_level(Level::INFO).init();
+            }
+            LogArg::Warn => {
+                tracing_subscriber::fmt().with_max_level(Level::WARN).init();
+            }
+            LogArg::Error => {
+                tracing_subscriber::fmt()
+                    .with_max_level(Level::ERROR)
+                    .init();
+            }
+        }
+    }
+}

crates/crunch-cli/src/main.rs

@@ -1,4 +1,10 @@
+mod logging;
+
+use std::path::PathBuf;
+
+use anyhow::anyhow;
 use clap::{Args, Parser, Subcommand, ValueEnum};
+use logging::LogArg;
 use tracing::Level;
 
 #[derive(Parser, Clone)]
@@ -27,52 +33,33 @@ struct GlobalArgs {
         global = true,
         help_heading = "Global"
     )]
-    crunch_file: String,
-}
-
-#[derive(Clone, ValueEnum)]
-enum LogArg {
-    None,
-    Trace,
-    Debug,
-    Info,
-    Warn,
-    Error,
+    crunch_file: PathBuf,
 }
 
 #[tokio::main]
-async fn main() {
+async fn main() -> anyhow::Result<()> {
     let cli = Cli::parse();
-    init_logging(&cli.global_args.log);
+    cli.global_args.log.init_logging();
 
     match &cli.commands {
-        Commands::Generate {} => {}
+        Commands::Generate {} => {
+            let config_file = config::get_file(&cli.global_args.crunch_file)
+                .await
+                .map_err(|e| anyhow!("failed to load config: {}", e))?
+                .get_config()
+                .map_err(|e| anyhow!("invalid config: {}", e))?;
+
+            tracing::info!("generating crunch code")
+        }
     }
+
+    Ok(())
 }
 
-fn init_logging(log: &LogArg) {
-    match log {
-        LogArg::None => {}
-        LogArg::Trace => {
-            tracing_subscriber::fmt()
-                .with_max_level(Level::TRACE)
-                .init();
-        }
-        LogArg::Debug => {
-            tracing_subscriber::fmt()
-                .with_max_level(Level::DEBUG)
-                .init();
-        }
-        LogArg::Info => {
-            tracing_subscriber::fmt().with_max_level(Level::INFO).init();
-        }
-        LogArg::Warn => {
-            tracing_subscriber::fmt().with_max_level(Level::WARN).init();
-        }
-        LogArg::Error => {
-            tracing_subscriber::fmt()
-                .with_max_level(Level::ERROR)
-                .init();
-        }
+mod config {
+    pub async fn get_file(path: &std::path::Path) -> anyhow::Result<crunch_file::File> {
+        let file = crunch_file::File::parse_file(path).await?;
+
+        Ok(file)
     }
 }

crates/crunch-file/Cargo.toml

@@ -13,6 +13,7 @@ tokio.workspace = true
 async-trait.workspace = true
 toml_edit.workspace = true
 serde.workspace = true
+tracing.workspace = true
 
 [dev-dependencies]
 pretty_assertions.workspace = true

crates/crunch-file/src/lib.rs

@@ -31,12 +31,15 @@ pub struct Publish {
 #[allow(dead_code)]
 impl File {
     pub async fn parse_file(path: &std::path::Path) -> anyhow::Result<File> {
+        tracing::debug!("loading crunch file at: {}", path.display());
+
         let file = tokio::fs::read_to_string(path).await?;
 
         Self::parse(&file).await
     }
 
     pub async fn parse(content: &str) -> anyhow::Result<File> {
+        tracing::debug!("parsing crunch file");
         let config: Document = content.parse::<Document>()?;
 
         Ok(File { doc: config })
@@ -44,6 +47,8 @@ impl File {
 
     pub async fn write_file(&self, path: &std::path::Path) -> anyhow::Result<()> {
         let content = self.write().await?;
+
+        tracing::debug!("writing to file: {}", path.display());
         let mut file = tokio::fs::File::create(path).await?;
 
         file.write_all(content.as_bytes()).await?;
@@ -53,6 +58,8 @@ impl File {
     }
 
     pub async fn write(&self) -> anyhow::Result<String> {
+        tracing::debug!("converting crunch config into file");
+
         let content = self.doc.to_string();
 
         Ok(content)
@@ -64,9 +71,11 @@ impl File {
         publish["output-path"] = value(output_path);
 
         if !self.doc.contains_key("publish") {
+            tracing::debug!("publish key not existing, adding new");
             self.doc["publish"] = toml_edit::array()
         }
 
+        tracing::debug!("adding new publish item");
         self.doc["publish"]
             .as_array_of_tables_mut()
             .expect("publish to be present and be array of tables [[publish]]")
@@ -78,6 +87,7 @@ impl File {
     pub fn get_config(&self) -> anyhow::Result<Config> {
         let content = self.doc.to_string();
 
+        tracing::debug!("converting config into read only copy");
         let config: Config = toml_edit::de::from_str(&content)?;
 
         Ok(config)