better error handling in main

src/main.rs

@@ -1,6 +1,6 @@
 use std::sync::Arc;
 use std::sync::atomic::{AtomicBool, Ordering};
-use std::thread::{self};
+use std::thread;
 use clap::Parser;
 use mpris::PlayerFinder;
 use structs::cli::Cli;
@@ -29,15 +29,14 @@ fn default_loop(pf: &PlayerFinder, cfg: &Config, data: &mut Data) {
 }
 
 fn main() {
-    //dotenvy::dotenv().expect("Failed to read .env file");
     std::env::set_var("RUST_LOG", "error");
     if let Err(e) = env_logger::init() {
       panic!("{}", e);
     }
 
     let cli = Cli::parse();
-    let mut cfg: Config = confy::load("polybar-now-playing", cli.config_file.as_str()).unwrap(); //TODO: error handling
-    cfg.priorities_to_lower();
+    match confy::load::<Config>("polybar-now-playing", cli.config_file.as_str()) {
+      Ok(cfg) => {
         let mut data: Data = Data::default();
         let term = Arc::new(AtomicBool::new(false));
         
@@ -60,4 +59,7 @@ fn main() {
             term.swap(false, Ordering::Relaxed);
           };
         }
-  }
+      },
+    Err(_) => println!("Failed to read config file {}", cli.config_file),
+  };
+}