wip: add logging capabilities

src/main.rs

@@ -1,24 +1,34 @@
-use std::fs::File;
 use clap::Parser;
-use readwise_bulk_upload::config::Args;
+use readwise_bulk_upload::config::Config;
 use readwise_bulk_upload::readwise::DocumentPayload;
-use readwise_bulk_upload::sql::{TaskManager};
+use readwise_bulk_upload::sql::TaskManager;
 use readwise_bulk_upload::{Error, Result};
+use std::fs::File;
+use tracing_subscriber;
+use figment::{Figment, providers::{Serialized, Env, Format}};
 
 #[tokio::main]
 async fn main() -> Result<()> {
-    let args = Args::parse();
+    let args: Config = Figment::new()
+        .merge(Serialized::defaults(Config::parse()))
+        .merge(Env::prefixed("APP_"))
+        .extract()?;
 
-    let file = File::open(args.path())
-        .map_err(|_| Error::Runtime(format!(
+    tracing_subscriber::fmt()
+        .with_max_level(args.verbose)
+        .init();
+
+    let file = File::open(args.path()).map_err(|_| {
+        Error::Runtime(format!(
             r#"The file "{}" could not be open"#,
             args.path().display()
-        )))?;
+        ))
+    })?;
 
     let documents: Vec<DocumentPayload> = serde_json::from_reader(file)?;
 
     let task_manager = TaskManager::new().await?;
-    
+
     task_manager.load_tasks(documents).await?;
 
     Ok(())