Add debug logging

The log level gets set to debug or info based on the
build profile automatically now.
Debug messages also print their target to the console.

1 files changed, 24 insertions, 5 deletions

diff --git a/bin/main.rs b/bin/main.rs
index 18f362e..86910c0 100644
--- a/bin/main.rs
+++ b/bin/main.rs
@@ -8,21 +8,40 @@ struct Logger;
 
 impl log::Log for Logger {
     fn enabled(&self, metadata: &LogMetadata) -> bool {
-        metadata.level() <= LogLevel::Info
+        metadata.target().contains("frippy")
     }
 
     fn log(&self, record: &LogRecord) {
         if self.enabled(record.metadata()) {
-            println!("[{}]({}) {}", time::now().rfc822(), record.level(), record.args());
+            if record.metadata().level() >= LogLevel::Debug {
+                println!("[{}]({}) {} -> {}",
+                         time::now().rfc822(),
+                         record.level(),
+                         record.target(),
+                         record.args());
+            } else {
+                println!("[{}]({}) {}",
+                         time::now().rfc822(),
+                         record.level(),
+                         record.args());
+            }
         }
     }
 }
 
 fn main() {
+
+    let log_level = if cfg!(debug_assertions) {
+        LogLevelFilter::Debug
+    } else {
+        LogLevelFilter::Info
+    };
+
     log::set_logger(|max_log_level| {
-        max_log_level.set(LogLevelFilter::Info);
-        Box::new(Logger)
-    }).unwrap();
+                        max_log_level.set(log_level);
+                        Box::new(Logger)
+                    })
+            .unwrap();
 
     frippy::run();
 }