From 704ef7ba64996280b52f907d372002acee0a804a Mon Sep 17 00:00:00 2001
From: Ryan <ryan@rmiller.dev>
Date: Thu, 24 Oct 2019 14:52:32 -0400
Subject: [PATCH] Implement playlist

---
 .gitignore                           |  6 +++++-
 pom.xml                              |  4 ++++
 src/main/java/io/zipcoder/Music.java | 20 +++++++++++++++++++-
 3 files changed, 28 insertions(+), 2 deletions(-)

diff --git a/.gitignore b/.gitignore
index 9c9c1d2..6ede73c 100644
--- a/.gitignore
+++ b/.gitignore
@@ -6,6 +6,10 @@
 .idea/**/tasks.xml
 .idea/dictionaries
 
+target/
+.idea/
+*.iml
+
 # Sensitive or high-churn files:
 .idea/**/dataSources/
 .idea/**/dataSources.ids
@@ -46,4 +50,4 @@ atlassian-ide-plugin.xml
 com_crashlytics_export_strings.xml
 crashlytics.properties
 crashlytics-build.properties
-fabric.properties
\ No newline at end of file
+fabric.properties
diff --git a/pom.xml b/pom.xml
index bbd82c1..c3dd5a4 100644
--- a/pom.xml
+++ b/pom.xml
@@ -8,6 +8,10 @@
     <artifactId>PlaylistChallenge</artifactId>
     <version>1.0-SNAPSHOT</version>
 
+    <properties>
+        <maven.compiler.source>1.8</maven.compiler.source>
+        <maven.compiler.target>1.8</maven.compiler.target>
+    </properties>
 
     <dependencies>
         <dependency>
diff --git a/src/main/java/io/zipcoder/Music.java b/src/main/java/io/zipcoder/Music.java
index 180c65c..7258b8c 100644
--- a/src/main/java/io/zipcoder/Music.java
+++ b/src/main/java/io/zipcoder/Music.java
@@ -9,6 +9,24 @@ public Music(String[] playList){
     }
 
     public Integer selection(Integer startIndex, String selection){
-        return null;
+
+        int count = 0;
+        for (int i = startIndex; !playList[i].equals(selection); i++) {
+            if(i == playList.length - 1) {
+                i = -1;
+            }
+            count++;
+        }
+
+        int revCount = 0;
+        for (int i = startIndex; !playList[i].equals(selection); i--) {
+            if(i == 0) {
+                i = playList.length;
+            }
+            revCount++;
+        }
+
+        if(count < revCount) { return count; }
+        else { return revCount; }
     }
 }