updated program.cs file

Tavisca.Bootcamp.LanguageBasics.Exercise2/Program.cs

@@ -1,30 +1,77 @@
-using System;
+using System;
+using System.Linq;
 
 namespace Tavisca.Bootcamp.LanguageBasics.Exercise1
 {
     public static class Program
     {
         static void Main(string[] args)
         {
-            Test(new[] {"12:12:12"}, new [] { "few seconds ago" }, "12:12:12");
+            Test(new[] { "12:12:12" }, new[] { "few seconds ago" }, "12:12:12");
             Test(new[] { "23:23:23", "23:23:23" }, new[] { "59 minutes ago", "59 minutes ago" }, "00:22:23");
             Test(new[] { "00:10:10", "00:10:10" }, new[] { "59 minutes ago", "1 hours ago" }, "impossible");
             Test(new[] { "11:59:13", "11:13:23", "12:25:15" }, new[] { "few seconds ago", "46 minutes ago", "23 hours ago" }, "11:59:23");
             Console.ReadKey(true);
         }
 
-        private static void Test(string[] postTimes, string[] showTimes, string expected)
-        {
+        private static void Test(string[] postTimes, string[] showTimes, string expected)
+        {
             var result = GetCurrentTime(postTimes, showTimes).Equals(expected) ? "PASS" : "FAIL";
             var postTimesCsv = string.Join(", ", postTimes);
             var showTimesCsv = string.Join(", ", showTimes);
-            Console.WriteLine($"[{postTimesCsv}], [{showTimesCsv}] => {result}");
+            Console.WriteLine($"[{postTimesCsv}], [{showTimesCsv}] => {result}");
         }
-
-        public static string GetCurrentTime(string[] exactPostTime, string[] showPostTime)
-        {
-            // Add your code here.
-            throw new NotImplementedException();
+
+
+        public static string GetCurrentTime(string[] exactPostTime, string[] showPostTime)
+        {
+            int n = exactPostTime.Length;
+
+            string[] arr = new string[n];  //array to contain total current times.
+
+            for (int i = 0; i < n; i++){
+                 //converting post time to a DateTime object
+                DateTime time = DateTime.ParseExact(exactPostTime[i], "HH:mm:ss", System.Globalization.CultureInfo.InvariantCulture);
+
+                if (showPostTime[i].Contains("seconds"))  //current time for cases where string is "a few seconds ago"
+                {
+                    arr[i] = exactPostTime[i];
+                }
+
+                else if (showPostTime[i].Contains("minutes"))
+                {
+                    string minutes = showPostTime[i].Split(' ')[0];
+                    DateTime current = time.AddMinutes(Int32.Parse(minutes)); //adding minutes to get probable current time
+                    string result = current.ToString("HH:mm:ss");
+
+                    arr[i] = result;
+                }
+
+                else if (showPostTime[i].Contains("hours"))
+                {
+                    string hours = showPostTime[i].Split(' ')[0];
+                    DateTime current = time.AddHours(Int32.Parse(hours));// adding hours to get probable current time
+                    string result = current.ToString("HH:mm:ss");
+
+                    arr[i] = result;
+                }
+
+
+            }
+
+            for (int i = 0; i <n; i++) //checking for cases where same post time gives different human readable strings.
+            {
+                for (int j = i + 1; j < n; j++)
+                {
+                    if (exactPostTime[i] == exactPostTime[j])
+                        if (showPostTime[i] != showPostTime[j])
+                            return "impossible";
+                }
+            }
+
+            Array.Sort(arr);
+            return arr[postNumber - 1]; //printing the time which comes lexicographically first
+
         }
     }
 }