Refactor to use interface IDay

AdventOfCode2018.Tests/Day06_Tests.cs

@@ -1,4 +1,5 @@
-using Microsoft.VisualStudio.TestTools.UnitTesting;
+using System.Collections.Generic;
+using Microsoft.VisualStudio.TestTools.UnitTesting;
 
 namespace AdventOfCode2018.Tests
 {
@@ -27,14 +28,15 @@ namespace AdventOfCode2018.Tests
         {
             Day06 day06 = new Day06();
 
-            string result = day06.ResolvePart2(new string[] {
+            List<ChronoPoint> points = day06.InputsToPoints(new string[] {
                 "1, 1",
                 "1, 6",
                 "8, 3",
                 "3, 4",
                 "5, 5",
                 "8, 9",
-            }, 32);
+            });
+            int result = day06.AreaInThresold(points, 32);
 
             Assert.AreEqual("16", result);
         }

AdventOfCode2018/AdventOfCode2018.csproj

@@ -49,6 +49,7 @@
     <Compile Include="Day04.cs" />
     <Compile Include="Day05.cs" />
     <Compile Include="Day06.cs" />
+    <Compile Include="IDay.cs" />
     <Compile Include="Program.cs" />
     <Compile Include="Properties\AssemblyInfo.cs" />
   </ItemGroup>

AdventOfCode2018/Day01.cs

@@ -59,7 +59,7 @@ namespace AdventOfCode2018
 
     */
 
-    public class Day01
+    public class Day01 : IDay
     {
         public string ResolvePart1(string[] inputs)
         {

AdventOfCode2018/Day02.cs

@@ -51,7 +51,7 @@ namespace AdventOfCode2018
 
     */
 
-    public class Day02
+    public class Day02 : IDay
     {
         private int CountOccurrencesOfLetter(string text, char letter)
         {

AdventOfCode2018/Day03.cs

@@ -61,7 +61,7 @@ namespace AdventOfCode2018
 
     */
 
-    public class Day03
+    public class Day03 : IDay
     {
         public string ResolvePart1(string[] inputs)
         {

AdventOfCode2018/Day04.cs

@@ -67,7 +67,7 @@ namespace AdventOfCode2018
     What is the ID of the guard you chose multiplied by the minute you chose? (In the above example, the answer would be 99 * 45 = 4455.)
     
     */
-    public class Day04
+    public class Day04 : IDay
     {
         public string ResolvePart1(string[] inputs)
         {

AdventOfCode2018/Day05.cs

@@ -50,7 +50,7 @@ namespace AdventOfCode2018
 
     */
 
-    public class Day05
+    public class Day05 : IDay
     {
         public string ReducePolymer(string polymer)
         {
@@ -88,9 +88,9 @@ namespace AdventOfCode2018
             return polymer;
         }
 
-        public string ResolvePart1(string input)
+        public string ResolvePart1(string[] inputs)
         {
-            string reducedPolymer = FullyReducePolymer(input);
+            string reducedPolymer = FullyReducePolymer(inputs[0]);
             return reducedPolymer.Length.ToString();
         }
 
@@ -108,8 +108,9 @@ namespace AdventOfCode2018
             return sb.ToString();
         }
 
-        public string ResolvePart2(string input)
+        public string ResolvePart2(string[] inputs)
         {
+            string input = inputs[0];
             List<char> allUnitTypes = input.Select(c => char.ToLower(c)).Distinct().ToList();
 
             int minPolymerLenght = int.MaxValue;

AdventOfCode2018/Day06.cs

@@ -95,14 +95,19 @@ namespace AdventOfCode2018
 
     */
 
-    public class Day06
+    public class Day06 : IDay
     {
-        public string ResolvePart1(string[] inputs)
+        public List<ChronoPoint> InputsToPoints(string[] inputs)
         {
-            List<ChronoPoint> points = inputs
+            return inputs
                 .Where(input => string.IsNullOrEmpty(input) == false)
                 .Select(input => ChronoPoint.FromString(input))
                 .ToList();
+        }
+
+        public string ResolvePart1(string[] inputs)
+        {
+            List<ChronoPoint> points = InputsToPoints(inputs);
             Dictionary<int, int> pointsAreas = new Dictionary<int, int>();
             for (int i = 0; i < points.Count; i++)
             {
@@ -159,13 +164,8 @@ namespace AdventOfCode2018
             return maxArea.ToString();
         }
 
-        public string ResolvePart2(string[] inputs, int distanceThresold)
+        public int AreaInThresold(List<ChronoPoint> points, int distanceThresold)
         {
-            List<ChronoPoint> points = inputs
-                .Where(input => string.IsNullOrEmpty(input) == false)
-                .Select(input => ChronoPoint.FromString(input))
-                .ToList();
-
             int minX = points.Min(p => p.X) - 1;
             int maxX = points.Max(p => p.X) + 1;
             int minY = points.Min(p => p.Y) - 1;
@@ -184,7 +184,14 @@ namespace AdventOfCode2018
                     if (distanceSum < distanceThresold) { areaInRange++; }
                 }
             }
-            
+
+            return areaInRange;
+        }
+
+        public string ResolvePart2(string[] inputs)
+        {
+            List<ChronoPoint> points = InputsToPoints(inputs);
+            int areaInRange = AreaInThresold(points, 10000);
             return areaInRange.ToString();
         }
     }

AdventOfCode2018/IDay.cs

@@ -0,0 +1,8 @@
+namespace AdventOfCode2018
+{
+    public interface IDay
+    {
+        string ResolvePart1(string[] inputs);
+        string ResolvePart2(string[] inputs);
+    }
+}

AdventOfCode2018/Program.cs

@@ -7,73 +7,24 @@ namespace AdventOfCode2018
     {
         private static void Main(string[] args)
         {
-            int currentDay = 6;
+            int currentDayNumber = 6;
+            IDay currentDay = null;
 
-            if (currentDay == 1)
+            switch (currentDayNumber)
             {
-                // Resolve Day01
+                case 1: currentDay = new Day01(); break;
-                Day01 day01 = new Day01();
+                case 2: currentDay = new Day02(); break;
-                string[] linesDay01 = File.ReadAllLines("inputs/Day01.txt");
+                case 3: currentDay = new Day03(); break;
-                string resultPart1 = day01.ResolvePart1(linesDay01);
+                case 4: currentDay = new Day04(); break;
-                Console.WriteLine("Day01 Result Part1: {0}", resultPart1);
+                case 5: currentDay = new Day05(); break;
-                string resultPart2 = day01.ResolvePart2(linesDay01);
+                case 6: currentDay = new Day06(); break;
-                Console.WriteLine("Day01 Result Part2: {0}", resultPart2);
-            }
-
-            if (currentDay == 2)
-            {
-                // Resolve Day02
-                Day02 day02 = new Day02();
-                string[] linesDay02 = File.ReadAllLines("inputs/Day02.txt");
-                string resultPart1 = day02.ResolvePart1(linesDay02);
-                Console.WriteLine("Day02 Result Part1: {0}", resultPart1);
-                string resultPart2 = day02.ResolvePart2(linesDay02);
-                Console.WriteLine("Day02 Result Part2: {0}", resultPart2);
-            }
-
-            if (currentDay == 3)
-            {
-                // Resolve Day03
-                Day03 day03 = new Day03();
-                string[] linesDay03 = File.ReadAllLines("inputs/Day03.txt");
-                string resultPart1 = day03.ResolvePart1(linesDay03);
-                Console.WriteLine("Day03 Result Part1: {0}", resultPart1);
-                string resultPart2 = day03.ResolvePart2(linesDay03);
-                Console.WriteLine("Day03 Result Part2: {0}", resultPart2);
-            }
-
-            if (currentDay == 4)
-            {
-                // Resolve Day04
-                Day04 day04 = new Day04();
-                string[] linesDay04 = File.ReadAllLines("inputs/Day04.txt");
-                string resultPart1 = day04.ResolvePart1(linesDay04);
-                Console.WriteLine("Day04 Result Part1: {0}", resultPart1);
-                string resultPart2 = day04.ResolvePart2(linesDay04);
-                Console.WriteLine("Day04 Result Part2: {0}", resultPart2);
-            }
-
-            if (currentDay == 5)
-            {
-                // Resolve Day05
-                Day05 day05 = new Day05();
-                string dataDay05 = File.ReadAllText("inputs/Day05.txt");
-                string resultPart1 = day05.ResolvePart1(dataDay05);
-                Console.WriteLine("Day04 Result Part1: {0}", resultPart1);
-                string resultPart2 = day05.ResolvePart2(dataDay05);
-                Console.WriteLine("Day04 Result Part2: {0}", resultPart2);
-            }
-
-            if (currentDay == 6)
-            {
-                // Resolve Day06
-                Day06 day06 = new Day06();
-                string[] linesDay06 = File.ReadAllLines("inputs/Day06.txt");
-                string resultPart1 = day06.ResolvePart1(linesDay06);
-                Console.WriteLine("Day06 Result Part1: {0}", resultPart1);
-                string resultPart2 = day06.ResolvePart2(linesDay06, 10000);
-                Console.WriteLine("Day06 Result Part2: {0}", resultPart2);
             }
+            
+            string[] linesDay = File.ReadAllLines(string.Format("inputs/Day{0:00}.txt", currentDayNumber));
+            string resultPart1 = currentDay.ResolvePart1(linesDay);
+            Console.WriteLine("Day{1:00} Result Part1: {0}", resultPart1, currentDayNumber);
+            string resultPart2 = currentDay.ResolvePart2(linesDay);
+            Console.WriteLine("Day{1:00} Result Part2: {0}", resultPart2, currentDayNumber);
 
             Console.Read();
         }