From 8909f08d05e8bd0c8935c629fe037156ea2fb246 Mon Sep 17 00:00:00 2001
From: saifu7 <saifu.ansari7@gmail.com>
Date: Tue, 9 Feb 2021 15:20:38 +0530
Subject: [PATCH] Update Program.cs

---
 .../Program.cs                                | 125 ++++++++++++++++--
 1 file changed, 116 insertions(+), 9 deletions(-)

diff --git a/Tavisca.Bootcamp.LanguageBasics.Exercise2/Program.cs b/Tavisca.Bootcamp.LanguageBasics.Exercise2/Program.cs
index 278d90d..cade74c 100644
--- a/Tavisca.Bootcamp.LanguageBasics.Exercise2/Program.cs
+++ b/Tavisca.Bootcamp.LanguageBasics.Exercise2/Program.cs
@@ -1,30 +1,137 @@
-using System;
+using System;
+using System.Collections.Generic;
 
 namespace Tavisca.Bootcamp.LanguageBasics.Exercise1
 {
+    // this class's object will store 
+    // the minimum and the maximum of the post that can be made
+    public class TimeRange
+    {
+        public string InitialTime;
+        public string MinTime;
+        public string MaxTime;
+        public TimeRange(){}
+        public TimeRange(string t1, string t2, string t3)
+        {
+            InitialTime = t1;
+            MinTime = t2;
+            MaxTime = t3;
+        }
+    }
     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)
+        {
+            List<TimeRange> RangedTime = new List<TimeRange>();
+
+            // storing minimum and maximum post time 
+            for (int index = 0; index < exactPostTime.Length; ++index)
+            {
+                TimeRange time = new TimeRange();
+                time = Program.ExtractShowTime(showPostTime[index], exactPostTime[index]);
+                RangedTime.Add(time);
+            }
+            TimeSpan leftPointer = TimeSpan.Parse(RangedTime[0].MinTime);
+            TimeSpan rightPointer = TimeSpan.Parse(RangedTime[0].MaxTime);
+
+            // finding intersecting time period
+            for (int i = 1; i < RangedTime.Count; ++i)
+            {
+                TimeSpan MinTime = TimeSpan.Parse(RangedTime[i].MinTime);
+                TimeSpan MaxTime = TimeSpan.Parse(RangedTime[i].MaxTime);
+                if (TimeSpan.Compare(MinTime, rightPointer) > 0 || TimeSpan.Compare(MaxTime, leftPointer) < 0)
+                {
+                    return "impossible";
+                }
+                else
+                {
+                    if (TimeSpan.Compare(MinTime, leftPointer) >= 0)
+                    {
+                        leftPointer = MinTime;
+                    }
+                    if (TimeSpan.Compare(MaxTime, rightPointer) <= 0)
+                    {
+                        rightPointer = MaxTime;
+                    }
+                }
+            }
+            string result = leftPointer.ToString();
+
+            return result;
+            throw new NotImplementedException();
         }
 
-        public static string GetCurrentTime(string[] exactPostTime, string[] showPostTime)
-        {
-            // Add your code here.
-            throw new NotImplementedException();
+        static TimeRange ExtractShowTime(string showPostTimeMsg, string time1)
+        {
+            string MinRange = "";
+            string MaxRange = "";
+
+            if (showPostTimeMsg[0] == 'f')
+            {
+                MinRange = "00:00:00";
+                MaxRange += "00:00:59";
+            }
+            if (showPostTimeMsg[3] == 'm' || showPostTimeMsg[3] == 'i')
+            {
+                string tempMinite = "";
+                MinRange += "00:";
+                if (showPostTimeMsg[0] >= '0' && showPostTimeMsg[0] <= '9')
+                    tempMinite += showPostTimeMsg[0];
+                if (showPostTimeMsg[1] >= '0' && showPostTimeMsg[1] <= '9')
+                    tempMinite += showPostTimeMsg[1];
+                MinRange += tempMinite + ":00";
+
+                MaxRange += "00:" + tempMinite + ":59";
+            }
+
+            if (showPostTimeMsg[3] == 'h' || showPostTimeMsg[3] == 'o')
+            {
+                string tempHour = "";
+                if (showPostTimeMsg[0] >= '0' && showPostTimeMsg[0] <= '9')
+                {
+                    tempHour += showPostTimeMsg[0];
+                }
+                if (showPostTimeMsg[1] >= '0' && showPostTimeMsg[1] <= '9')
+                {
+                    tempHour += showPostTimeMsg[1];
+                }
+                MinRange += tempHour + ":00:00";
+
+                MaxRange += tempHour + ":59:59";
+            }
+
+            TimeSpan t1 = TimeSpan.Parse(time1);
+            TimeSpan t2 = TimeSpan.Parse(MinRange);
+            TimeSpan t3 = TimeSpan.Parse(MaxRange);
+
+
+            t2 = t1.Add(t2);
+            t3 = t1.Add(t3);
+
+            string MinTimeX = t2.Hours.ToString() + ":" + t2.Minutes.ToString() + ":" + t2.Seconds.ToString();
+            string MaxTimeY = t3.Hours.ToString() + ":" + t3.Minutes.ToString() + ":" + t3.Seconds.ToString();
+
+            TimeRange time = new TimeRange(time1, MinTimeX, MaxTimeY);
+
+            return time;
         }
     }
 }