Make log verbosity configurable.

src/main.rs

@@ -1,10 +1,10 @@
 mod gtfs;
 mod renderer;
 mod config;
-use std::{ops::Add, process, thread::Builder, time::SystemTime};
+use std::{env::{self, args}, ops::Add, process, thread::Builder, time::SystemTime};
 use chrono::{DateTime, Duration, Local, NaiveTime};
-use log::{Level, Metadata, Record, error, info};
+use log::{Level, Log, Metadata, Record, error, info};
-use sdl3::event::Event;
+use sdl3::{event::Event, video::FullscreenType::True};
 use crate::{config::load_config, gtfs::structs::{Arrival, Gtfs}, renderer::structs::{DisplayData, DisplayEntry, Screen}};
 
 const NUM_ARRIVALS: usize = 4;
@@ -54,12 +54,15 @@ fn refresh_schedule<'a>(gtfs: &'a Gtfs, screen : &mut Screen<'a>) -> Option<Vec<
 
 
 fn main() {
+    let args: Vec<String> = env::args().collect();
+
     // Initialize logger
     static MY_LOGGER: MyLogger = MyLogger;
+    
     struct MyLogger;
     impl log::Log for MyLogger {
         fn enabled(&self, metadata: &Metadata) -> bool {    
-            return metadata.level() < Level::Trace;
+            return true;
         }
 
         fn log(&self, record: &Record) {
@@ -76,7 +79,12 @@ fn main() {
         print!("Error setting up the main logger:{:#?}", logger.err());
         process::exit(-1);
     }
-    log::set_max_level(log::LevelFilter::Trace);
+    
+    if args.contains(&String::from("--debug")) {
+        log::set_max_level(log::LevelFilter::Trace);
+    } else {
+        log::set_max_level(log::LevelFilter::Warn);
+    }
 
 
     let config_result = load_config(String::from("resources/dublinbus.yaml"));