#!/usr/bin/env bash

wget http://cs.helsinki.fi/u/paksula/versionhallinta/s09/project/p1/src/main/java/longcat/CliArgumentParser.java
mv CliArgumentParser.java src/main/java/longcat
wget http://cs.helsinki.fi/u/paksula/versionhallinta/s09/project/p1/src/main/java/longcat/LengthUnit.java
mv LengthUnit.java src/main/java/longcat
wget http://cs.helsinki.fi/u/paksula/versionhallinta/s09/project/p1/src/main/java/longcat/LongcatFactoryImpl.java
mv LongcatFactoryImpl.java src/main/java/longcat
wget http://cs.helsinki.fi/u/paksula/versionhallinta/s09/project/p1/src/test/java/longcat/CliArgumentParserTest.java
mv CliArgumentParserTest.java src/test/java/longcat

svn add src/main/java/longcat/CliArgumentParser.java
svn add src/main/java/longcat/LengthUnit.java
svn add src/main/java/longcat/LongcatFactoryImpl.java
svn add src/test/java/longcat/CliArgumentParserTest.java

echo "--- a/src/main/java/longcat/LongcatFactory.java
+++ b/src/main/java/longcat/LongcatFactory.java
@@ -1,8 +1,8 @@
 package longcat;
 
-public class LongcatFactory {
+public interface LongcatFactory {
 
-    public Longcat createLongcat(int bodySize) {
-        return new Longcat(bodySize);
-    }
+    Longcat createLongcat(int bodySize);
+
+    Longcat createLongcat(int length, LengthUnit unit);
 }
" | patch -p1

echo "--- a/src/test/java/longcat/LongcatFactoryTest.java
+++ b/src/test/java/longcat/LongcatFactoryTest.java
@@ -4,7 +4,7 @@ import junit.framework.TestCase;
 
 public class LongcatFactoryTest extends TestCase {
 
-    private LongcatFactory factory = new LongcatFactory();
+    private LongcatFactory factory = new LongcatFactoryImpl();
 
     public void test__Longcat_with_body_size_0() {
         Longcat longcat = factory.createLongcat(-1);
" | patch -p1

svn ci -m "Command line argument parsing"

sleep 2

svn up

wget http://cs.helsinki.fi/u/paksula/versionhallinta/s09/project/p2/src/test/java/longcat/LengthUnitTest.java
mv LengthUnitTest.java src/test/java/longcat/
svn add src/test/java/longcat/LengthUnitTest.java

echo '--- a/src/main/java/longcat/LengthUnit.java
+++ b/src/main/java/longcat/LengthUnit.java
@@ -2,12 +2,14 @@ package longcat;
 
 public enum LengthUnit {
 
-    METERS("m"), FEET("ft"), PETRONAS("petronas");
+    METERS("m", 1.0), FEET("ft", 0.3048), PETRONAS("petronas", 451,9);
 
     private final String name;
+    private final double lengthInMeters;
 
-    private LengthUnit(String name) {
+    private LengthUnit(String name, double lengthInMeters) {
         this.name = name;
+        this.lengthInMeters = lengthInMeters;
     }
 
     public static LengthUnit parse(String name) {
@@ -18,4 +20,8 @@ public enum LengthUnit {
         }
         throw new IllegalArgumentException("No such unit of length: " + name);
     }
+
+    public int from(int length, LengthUnit unit) {
+        return (int) (length * unit.lengthInMeters / this.lengthInMeters);
+    }
 }
' | patch -p1

svn ci -m "Length unit conversions"

svn up

svn ci -m "Length unit conversions"

echo '--- a/src/main/java/longcat/LengthUnit.java
+++ b/src/main/java/longcat/LengthUnit.java
@@ -2,7 +2,7 @@ package longcat;
 
 public enum LengthUnit {
 
-    METERS("m", 1.0), FEET("ft", 0.3048), PETRONAS("petronas", 451.9);
+    METERS("m", 1.0), FEET("ft", 0.3048), PETRONAS("petronas", 451.9), LINES("lines", 0.009);
 
     private final String name;
     private final double lengthInMeters;
' | patch -p1

echo '--- a/src/main/java/longcat/Longcat.java
+++ b/src/main/java/longcat/Longcat.java
@@ -27,11 +27,14 @@ public class Longcat {
     private final int bodySize;
 
     public Longcat(int bodySize) {
+        if (bodySize < 0) {
+            throw new IllegalArgumentException("Longcat can not be that short!");
+        }
         this.bodySize = bodySize;
     }
 
     public String getBody() {
-        StringBuilder body = new StringBuilder();
+        StringBuilder body = new StringBuilder(bodySize * BODY_LINE.length());
         for (int i = 0; i < bodySize; i++) {
             body.append(BODY_LINE);
         }
' | patch -p1

echo "--- a/src/main/java/longcat/LongcatFactoryImpl.java
+++ b/src/main/java/longcat/LongcatFactoryImpl.java
@@ -7,6 +7,19 @@ public class LongcatFactoryImpl implements LongcatFactory {
     }
 
     public Longcat createLongcat(int length, LengthUnit unit) {
-        return null;
+        int totalLines = LengthUnit.LINES.from(length, unit);
+        int nonBodyLines = lineCount(Longcat.HEAD_LINES + Longcat.FEET_LINES);
+        return new Longcat(totalLines - nonBodyLines);
+    }
+
+    static int lineCount(String s) {
+        int lines = 0;
+        for (int i = 0; i < s.length(); i++) {
+            char c = s.charAt(i);
+            if (c == '\\\n') {
+                lines++;
+            }
+        }
+        return lines;
     }
 }
" | patch -p1

echo '--- a/src/test/java/longcat/LongcatFactoryTest.java
+++ b/src/test/java/longcat/LongcatFactoryTest.java
@@ -25,4 +25,19 @@ public class LongcatFactoryTest extends TestCase {
         Longcat longcat = factory.createLongcat(2);
         assertEquals(Longcat.HEAD_LINES + longcat.getBody() + Longcat.FEET_LINES, longcat.toString());
     }
+
+    public void test__Longcat_length_specified_in_meters() {
+        Longcat longcat = factory.createLongcat(1, LengthUnit.METERS);
+        int lines = LongcatFactoryImpl.lineCount(longcat.toString());
+        assertEquals(LengthUnit.LINES.from(1, LengthUnit.METERS), lines);
+    }
+
+    public void test__Too_short_longcat() {
+        try {
+            factory.createLongcat(0, LengthUnit.METERS);
+            fail();
+        } catch (IllegalArgumentException e) {
+            assertEquals("Longcat can not be that short!", e.getMessage());
+        }
+    }
 }
' | patch -p1

svn ci -m "Specifying Longcat length with natural length units"

svn up

echo '--- a/src/main/java/longcat/LengthUnit.java
+++ b/src/main/java/longcat/LengthUnit.java
@@ -2,11 +2,7 @@

 public enum LengthUnit {

-<<<<<< .mine
-    METERS("m", 1.0), FEET("ft", 0.3048), PETRONAS("petronas", 451.9), LINES("lines", 0.009);
-=======
-    METERS("m", 1.0), FEET("ft", 0.3048), PETRONAS("petronas", 451.9), EIFFEL("eiffels", 300.65);
->>>>>>> .r8
+    METERS("m", 1.0), FEET("ft", 0.3048), PETRONAS("petronas", 451.9), EIFFEL("eiffels", 300.65), LINES("lines", 0.009);

     private final String name;
     private final double lengthInMeters;
' | patch -p1

svn resolved src/main/java/longcat/LengthUnit.java

svn ci -m "Specifying Longcat length with natural length units"

sleep 2

svn up