From d6f9ec13b94da14f1a40ddb042f2d211132d3056 Mon Sep 17 00:00:00 2001
From: Eric Cordell <ericcordell@zipcoders-MacBook-Pro-8.local>
Date: Fri, 2 Mar 2018 14:35:31 -0500
Subject: [PATCH] trying to submit

---
 PlaylistChallenge.iml                         |   4 ++
 pom.xml                                       |   5 +++
 src/main/java/io/zipcoder/Music.java          |  40 ++++++++++++++++--
 target/classes/io/zipcoder/Music.class        | Bin 0 -> 997 bytes
 .../test-classes/io/zipcoder/MusicTest.class  | Bin 0 -> 1381 bytes
 5 files changed, 46 insertions(+), 3 deletions(-)
 create mode 100644 target/classes/io/zipcoder/Music.class
 create mode 100644 target/test-classes/io/zipcoder/MusicTest.class

diff --git a/PlaylistChallenge.iml b/PlaylistChallenge.iml
index 54ddd53..6098888 100644
--- a/PlaylistChallenge.iml
+++ b/PlaylistChallenge.iml
@@ -13,5 +13,9 @@
     <orderEntry type="sourceFolder" forTests="false" />
     <orderEntry type="library" scope="TEST" name="Maven: junit:junit:4.12" level="project" />
     <orderEntry type="library" scope="TEST" name="Maven: org.hamcrest:hamcrest-core:1.3" level="project" />
+    <orderEntry type="library" scope="TEST" name="Maven: junit:junit:4.12" level="project" />
+    <orderEntry type="library" scope="TEST" name="Maven: org.hamcrest:hamcrest-core:1.3" level="project" />
+    <orderEntry type="library" name="Maven: junit:junit:4.12" level="project" />
+    <orderEntry type="library" name="Maven: org.hamcrest:hamcrest-core:1.3" level="project" />
   </component>
 </module>
\ No newline at end of file
diff --git a/pom.xml b/pom.xml
index bbd82c1..cd17122 100644
--- a/pom.xml
+++ b/pom.xml
@@ -16,5 +16,10 @@
             <version>4.12</version>
             <scope>test</scope>
         </dependency>
+        <dependency>
+            <groupId>junit</groupId>
+            <artifactId>junit</artifactId>
+            <version>RELEASE</version>
+        </dependency>
     </dependencies>
 </project>
\ No newline at end of file
diff --git a/src/main/java/io/zipcoder/Music.java b/src/main/java/io/zipcoder/Music.java
index 180c65c..14d1e86 100644
--- a/src/main/java/io/zipcoder/Music.java
+++ b/src/main/java/io/zipcoder/Music.java
@@ -1,14 +1,48 @@
 package io.zipcoder;
 
+
 public class Music {
 
     private String[] playList;
 
-    public Music(String[] playList){
+    public Music(String[] playList) {
         this.playList = playList;
     }
 
-    public Integer selection(Integer startIndex, String selection){
+    public Integer selection(Integer startIndex, String selection) {
+
+
+        int indexOfSelection = 0;
+
+        for (int i = 0; i < playList.length; i++) {
+
+            if (playList[i].equals(selection) && (playList.length - i < startIndex + i)) {
+                indexOfSelection += i;
+            }
+        }
+
+        //if startIndex is BEFORE the indexSelection
+        // [startIndex           selectionIndex]
+
+        if (indexOfSelection > startIndex) {
+
+            //(left side count VS right side count)
+            if (indexOfSelection - startIndex < (startIndex + playList.length - indexOfSelection)) {
+                return indexOfSelection - startIndex;
+            }
+            return startIndex + playList.length - indexOfSelection;
+        }
+
+        //if startIndex is AFTER the indexSelection
+        // [selectionIndex        startIndex]
+        if (indexOfSelection < startIndex) {
+
+            //(left side count VS right side count)
+            if (startIndex - indexOfSelection < (indexOfSelection + playList.length - startIndex)) {
+                return indexOfSelection + playList.length - startIndex;
+            }
+            return startIndex - indexOfSelection;
+        }
         return null;
     }
-}
+}
\ No newline at end of file
diff --git a/target/classes/io/zipcoder/Music.class b/target/classes/io/zipcoder/Music.class
new file mode 100644
index 0000000000000000000000000000000000000000..fa34923102b3e4feaf25db6f08f4569fd2bcd3df
GIT binary patch
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diff --git a/target/test-classes/io/zipcoder/MusicTest.class b/target/test-classes/io/zipcoder/MusicTest.class
new file mode 100644
index 0000000000000000000000000000000000000000..3a5845d28504d1de96f858cf44e777177bdaa963
GIT binary patch
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literal 0
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