From 9b7c6b28f84a14c44a8d5e7e947e6c7461735f2f Mon Sep 17 00:00:00 2001
From: Alix von Schirp <alix@b00tload.de>
Date: Wed, 18 Jan 2023 02:26:48 +0100
Subject: [PATCH] Implemented logging

Also fixed a minor issue where the configuration HashMap was not initialized and threw a NullPointerException.
---
 .gitignore                                             |  3 ++-
 .../tools/lastfmtospotifyplaylist/LastFMToSpotify.java |  8 ++++++++
 .../arguments/ArgumentHandler.java                     | 10 ++++++++--
 .../tools/lastfmtospotifyplaylist/util/Logger.java     |  4 +++-
 4 files changed, 21 insertions(+), 4 deletions(-)

diff --git a/.gitignore b/.gitignore
index 4cc072f..045e6d5 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,3 +1,4 @@
 # Project exclude paths
 /target/
-/compile.bat
\ No newline at end of file
+/compile.bat
+.idea/
diff --git a/src/main/java/de/b00tload/tools/lastfmtospotifyplaylist/LastFMToSpotify.java b/src/main/java/de/b00tload/tools/lastfmtospotifyplaylist/LastFMToSpotify.java
index 113c598..5b0e3ae 100644
--- a/src/main/java/de/b00tload/tools/lastfmtospotifyplaylist/LastFMToSpotify.java
+++ b/src/main/java/de/b00tload/tools/lastfmtospotifyplaylist/LastFMToSpotify.java
@@ -15,12 +15,15 @@ import java.io.IOException;
 import java.net.URI;
 import java.util.HashMap;
 
+import static de.b00tload.tools.lastfmtospotifyplaylist.util.Logger.logLn;
+
 public class LastFMToSpotify {
 
     public static final String LINE_SEPERATOR = System.getProperty("line.separator");
     public static HashMap<String, String> configuration;
 
     public static void main(String[] args) {
+        configuration = new HashMap<>();
         configuration.put("requests.useragent", "LastFMToSpotify/1.0-Snapshot (" + System.getProperty("os.name") + "; " + System.getProperty("os.arch") + ") Java/"+System.getProperty("java.version"));
         for(int a = 0; a<args.length; a++){
             Arguments arg;
@@ -44,6 +47,11 @@ public class LastFMToSpotify {
             }
         }
 
+        logLn("Priority 0",0 );
+        logLn("Priority 1",1 );
+        logLn("Priority 2",2 );
+        logLn("Priority 3",3 );
+
         // Start Progress Bar
         try (ProgressBar pb = new ProgressBar("LastFM -> Spotify Playlist", 4)) {
             for (int progress = 1; progress<=5; progress++) {
diff --git a/src/main/java/de/b00tload/tools/lastfmtospotifyplaylist/arguments/ArgumentHandler.java b/src/main/java/de/b00tload/tools/lastfmtospotifyplaylist/arguments/ArgumentHandler.java
index 21cc314..e2b572d 100644
--- a/src/main/java/de/b00tload/tools/lastfmtospotifyplaylist/arguments/ArgumentHandler.java
+++ b/src/main/java/de/b00tload/tools/lastfmtospotifyplaylist/arguments/ArgumentHandler.java
@@ -53,7 +53,13 @@ public class ArgumentHandler {
     }
 
     private static void verbose(String value){
-        //wenn value != int
-        System.out.println("LogLevel must be a numeric value.");
+        try {
+            int loglevel = Integer.parseInt(value);
+            configuration.put("logging.level", String.valueOf(loglevel));
+        } catch (NumberFormatException e) {
+            System.out.println("LogLevel must be a numeric value.");
+            System.exit(500);
+        }
+
     }
 }
diff --git a/src/main/java/de/b00tload/tools/lastfmtospotifyplaylist/util/Logger.java b/src/main/java/de/b00tload/tools/lastfmtospotifyplaylist/util/Logger.java
index eb38e8d..cad03cc 100644
--- a/src/main/java/de/b00tload/tools/lastfmtospotifyplaylist/util/Logger.java
+++ b/src/main/java/de/b00tload/tools/lastfmtospotifyplaylist/util/Logger.java
@@ -5,7 +5,9 @@ import static de.b00tload.tools.lastfmtospotifyplaylist.LastFMToSpotify.configur
 public class Logger {
 
     public static void logLn(String string, int priority){
-        if(Integer.parseInt(configuration.get("verbose.level")))
+        if(Integer.parseInt(configuration.get("logging.level"))>=priority){
+            System.out.println(string);
+        }
     }
 
 }