4 files changed, 122 insertions, 6 deletions

diff --git a/src/main/java/musichub/business/MusicHub.java b/src/main/java/musichub/business/MusicHub.java
index f7cf137..bbac505 100644
--- a/src/main/java/musichub/business/MusicHub.java
+++ b/src/main/java/musichub/business/MusicHub.java
@@ -339,4 +339,25 @@ public class MusicHub {
         }
 
     }
+
+    public void searchAudioElement() throws UnsupportedAudioFileException, NoAlbumFoundException, LineUnavailableException, IOException {
+        Scanner scanner = new Scanner(System.in);
+        System.out.println("Entrez le titre ou l'artiste de la musique que vous souhaitez chercher dans la base de données");
+        String word = scanner.next().toLowerCase(Locale.ROOT);
+        List<AudioElement> searchResult = new ArrayList<>();
+        for(AudioElement el : elements){
+            if(el.getTitle().toLowerCase(Locale.ROOT).contains(word) || el.getArtist().toLowerCase(Locale.ROOT).contains(word)){
+                searchResult.add(el);
+                System.out.println(el);
+            }
+        }
+
+        if(searchResult.isEmpty()){
+            System.err.println("Aucun résultat pour votre recherche");
+        }
+        if (searchResult.size()==1){
+            this.getAudioElement(searchResult, searchResult.get(0).getTitle());
+        }
+    }
+
 }
\ No newline at end of file
diff --git a/src/main/java/musichub/main/Main.java b/src/main/java/musichub/main/Main.java
index e2e4731..cd1fd5f 100644
--- a/src/main/java/musichub/main/Main.java
+++ b/src/main/java/musichub/main/Main.java
@@ -1,6 +1,7 @@
 package musichub.main;
 
 import musichub.business.*;
+import musichub.util.LogHandler;
 
 import javax.sound.sampled.LineUnavailableException;
 import javax.sound.sampled.UnsupportedAudioFileException;
@@ -9,10 +10,11 @@ import java.util.Iterator;
 import java.util.List;
 import java.util.Scanner;
 
-import static musichub.business.PathValidation.isPathValid;
+import static musichub.util.PathValidation.isPathValid;
 
 public class Main {
-    public static void main(String[] args) throws UnsupportedAudioFileException, IOException, LineUnavailableException {
+    public static void main(String[] args) throws UnsupportedAudioFileException, IOException, LineUnavailableException, NoAlbumFoundException {
+
 
         MusicHub theHub = new MusicHub();
 
@@ -93,7 +95,9 @@ public class Main {
                     System.out.println("Song content: ");
                     String content = scan.nextLine();
                     if (!isPathValid(content)) {
-                        System.out.println("The music file was not found with the path you've provided.\nType h for available commands");
+                        String logMsg = "The music file was not found with the path you've provided or the extension is not .wav";
+                        LogHandler.write(logMsg, "WARNING"); //write a line in the log file
+                        System.out.println(logMsg + "\nType h for available commands");
                         choice = scan.nextLine();
                         break;
                     }
@@ -240,6 +244,16 @@ public class Main {
                     printAvailableCommands();
                     choice = scan.nextLine();
                     break;
+                case 'r':
+                    //search a music
+                    theHub.searchAudioElement();
+                    printAvailableCommands();
+                case 'o':
+                    //consult the app logs
+                    LogHandler.read();
+                    System.out.println("Type h for available commands");
+                    choice = scan.nextLine();
+                    break;
                 default:
 
                     break;
@@ -253,6 +267,7 @@ public class Main {
         System.out.println("g: display songs of an album, ordered by genre");
         System.out.println("d: display songs of an album");
         System.out.println("u: display audiobooks ordered by author");
+        System.out.println("r: search audio elements");
         System.out.println("c: add a new song");
         System.out.println("a: add a new album");
         System.out.println("+: add a song to an album");
@@ -260,6 +275,8 @@ public class Main {
         System.out.println("p: create a new playlist from existing songs and audio books");
         System.out.println("-: delete an existing playlist");
         System.out.println("s: save elements, albums, playlists");
+        System.out.println("o: consult the app logs");
         System.out.println("q: quit program");
     }
+
 }
\ No newline at end of file
diff --git a/src/main/java/musichub/util/LogHandler.java b/src/main/java/musichub/util/LogHandler.java
new file mode 100644
index 0000000..988b149
--- /dev/null
+++ b/src/main/java/musichub/util/LogHandler.java
@@ -0,0 +1,68 @@
+package musichub.util;
+
+import java.io.IOException;
+import java.nio.file.Files;
+import java.nio.file.Path;
+import java.nio.file.StandardOpenOption;
+import java.sql.Timestamp;
+
+/**
+ * Class offering a log writing method.
+ *
+ * @author Aimeric ADJUTOR
+ * @version 1.0
+ */
+
+public final class LogHandler {
+
+    /**
+     * Method that just throws an AssertionError if the class is called
+     *
+     * @throws AssertionError you can't instantiate this class
+     * @author Aimeric ADJUTOR
+     */
+
+    public LogHandler() {
+        throw new AssertionError("You just can't instantiate this class.");
+    }
+
+    /**
+     * Method that writes a log message to spoteezer.log
+     *
+     * @param msg  the message to write
+     * @param type the type of log
+     * @throws IOException if the file's not there
+     */
+    public static void write(String msg, String type) throws IOException {
+
+        Timestamp timestamp = new Timestamp(System.currentTimeMillis());
+
+        //Create the log using the given message
+        String logMsg = "\n[" + timestamp + "] " + type + ": " + msg;
+
+        // Define the file name of the file
+        Path fileName = Path.of("log/spoteezer.log");
+
+        // Write into the file
+        Files.writeString(fileName, logMsg, StandardOpenOption.APPEND);
+
+
+    }
+
+    /**
+     * Method that prints the content of spoteezer.log
+     *
+     * @throws IOException if the file's not there
+     */
+    public static void read() throws IOException {
+        Path fileName = Path.of("log/spoteezer.log");
+
+        // Read the content of the file
+        String file_content = Files.readString(fileName);
+
+        // Print the content inside the file
+        System.out.println("\n" + file_content + "\n");
+
+    }
+
+}
\ No newline at end of file
diff --git a/src/main/java/musichub/business/PathValidation.java b/src/main/java/musichub/util/PathValidation.java
index b0281ba..ea00c24 100644
--- a/src/main/java/musichub/business/PathValidation.java
+++ b/src/main/java/musichub/util/PathValidation.java
@@ -1,4 +1,4 @@
-package musichub.business;
+package musichub.util;
 
 import java.nio.file.Files;
 import java.nio.file.Path;
@@ -25,15 +25,25 @@ public final class PathValidation {
     }
 
     /**
-     * Method that checks the validity of a given path
+     * Method that checks the validity of a given path and file.
      *
      * @param inputPath the path given by the user
      * @return a boolean
      */
 
     public static boolean isPathValid(String inputPath) {
+        boolean isExtensionValid = false;
+
+        int index = inputPath.lastIndexOf('.');
+        if (index > 0) {
+            String extension = inputPath.substring(index + 1);
+            if (extension.equals("wav")) {
+                isExtensionValid = true;
+            }
+        }
+
         Path path = Paths.get(inputPath);
-        return Files.exists(path);
+        return (Files.exists(path) & isExtensionValid);
     }
 
 }
\ No newline at end of file