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Assignment 2 show the time #98

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Assignment 2 show the time #98

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178 changes: 170 additions & 8 deletions Tavisca.Bootcamp.LanguageBasics.Exercise2/Program.cs
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Original file line number Diff line number Diff line change
@@ -1,30 +1,192 @@
using System;
using System.Collections.Generic;
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)
{

string CurrentTime = null;
if (exactPostTime.Length == 1)
{
CurrentTime = singleIndex(exactPostTime[0], showPostTime[0]);
return CurrentTime;
}
int Matches = 0;
for (int i = 0; i < showPostTime.Length; i++)
{
for (int j = i + 1; j < showPostTime.Length; j++)
{
if (exactPostTime[i] == exactPostTime[j])
{
Matches++;
if (showPostTime[i] != showPostTime[j])
{
return "impossible";
}
}
}
}
if ((Matches * 2) == exactPostTime.Length)
{
CurrentTime = singleIndex(exactPostTime[0], showPostTime[0]);
return CurrentTime;
}
string[] LowerBounds = findLowerBounds(exactPostTime, showPostTime);
string[] UpperBounds = findUpperBounds(exactPostTime, showPostTime);
List<string> AllTimes = new List<string>();
for (int i = 0; i < LowerBounds.Length; i++)
{
AllTimes.Add(exactPostTime[i]);
AllTimes.Add(UpperBounds[i]);
AllTimes.Add(LowerBounds[i]);

}
AllTimes = AllTimes.Distinct().ToList();
AllTimes.Sort();
foreach (var time in AllTimes)
{
int IntervalsMatched = 0;
for (int i = 0; i < LowerBounds.Length; i++)
{
if (CheckIntervals(LowerBounds[i], time, UpperBounds[i]) == 1)
{
IntervalsMatched++;
}
}
if (IntervalsMatched == LowerBounds.Length)//If the given time is falling in all intervals
{
return time;
}
}
return "impossible";
}
public static string[] findLowerBounds(string[] exactPostTime, string[] showPostTime)
{//findLowerBounds will return a string array of time which serve as
//lower bounds of the intervals created by the showpostime and exactposttime
string[] LowerBounds = new string[exactPostTime.Length];
for (int i = 0; i < exactPostTime.Length; i++)
{
if (showPostTime[i].Contains("few"))
{
LowerBounds[i] = exactPostTime[i];
}
else if (showPostTime[i].Contains("minutes"))
{
String[] Minutes = showPostTime[i].Split(' ');
DateTime CurrentTime = Convert.ToDateTime(exactPostTime[i]);
CurrentTime = CurrentTime.AddMinutes(Int32.Parse(Minutes[0]));
LowerBounds[i] = CurrentTime.ToString().Split(' ')[1];
}
if (showPostTime[i].Contains("hours"))
{
String[] Hours = showPostTime[i].Split(' ');
DateTime CurrentTime = Convert.ToDateTime(exactPostTime[i]);
CurrentTime = CurrentTime.AddHours(Int32.Parse(Hours[0]));
LowerBounds[i] = CurrentTime.ToString().Split(' ')[1];
}
}
return LowerBounds;
}
//findUpperBounds will return a string array of time which serve as
//upper bounds of the intervals created by the showpostime and exactposttime
public static string[] findUpperBounds(string[] exactPostTime, string[] showPostTime)
{
string[] UpperBounds = new string[exactPostTime.Length];
for (int i = 0; i < exactPostTime.Length; i++)
{
if (showPostTime[i].Contains("few"))
{
DateTime CurrentTime = Convert.ToDateTime(exactPostTime[i]);
CurrentTime = CurrentTime.AddSeconds(59);
UpperBounds[i] = CurrentTime.ToString().Split(' ')[1];
}
else if (showPostTime[i].Contains("minutes"))
{
String[] Minutes = showPostTime[i].Split(' ');
DateTime CurrentTime = Convert.ToDateTime(exactPostTime[i]);
CurrentTime = CurrentTime.AddMinutes(Int32.Parse(Minutes[0]));
CurrentTime = CurrentTime.AddSeconds(59);
UpperBounds[i] = CurrentTime.ToString().Split(' ')[1];
}
if (showPostTime[i].Contains("hours"))
{
String[] Hours = showPostTime[i].Split(' ');
DateTime CurrentTime = Convert.ToDateTime(exactPostTime[i]);
CurrentTime = CurrentTime.AddHours(Int32.Parse(Hours[0]));
CurrentTime = CurrentTime.AddMinutes(59);
CurrentTime = CurrentTime.AddSeconds(59);
UpperBounds[i] = CurrentTime.ToString().Split(' ')[1];
}
}
return UpperBounds;
}
public static string singleIndex(String exactPostTime, string showPostTime)
{//single handles the case when there is only one element in exactposttime
//or if all the elements in exactposttime and showposttime are exactly same
if (showPostTime.Contains("few"))
{
return exactPostTime;
}
if (showPostTime.Contains("minutes"))
{
String[] Minutes = showPostTime.Split(' ');
DateTime CurrentTime = Convert.ToDateTime(exactPostTime);
CurrentTime = CurrentTime.AddMinutes(Int32.Parse(Minutes[0]));
string answer = CurrentTime.ToString().Split(' ')[1];
return answer;
}
if (showPostTime.Contains("hours"))
{
String[] Hours = showPostTime.Split(' ');
DateTime CurrentTime = Convert.ToDateTime(exactPostTime);
CurrentTime = CurrentTime.AddHours(Int32.Parse(Hours[0]));
string answer = CurrentTime.ToString().Split(' ')[1];
return answer;
}
return null;
}
public static int CheckIntervals(string LowerBound, string CurrentCheckTime, string UpperBound)
{//CheckIntervals simply checks if a given time is in between given interval
String[] UpperBoundterms = UpperBound.Split(':');
int UpperBoundHour = Int32.Parse(UpperBoundterms[0]);
int UpperBoundMinute = Int32.Parse(UpperBoundterms[1]);
int UpperBoundSeconds = Int32.Parse(UpperBoundterms[2]);
if (UpperBoundMinute == 0)
{
UpperBoundMinute = 60;
}
if (UpperBoundSeconds == 0)
{
UpperBoundSeconds = 60;
}
UpperBound = UpperBoundHour + ":" + UpperBoundMinute + ':' + UpperBoundSeconds;
if (String.Compare(LowerBound, CurrentCheckTime) <= 0 && String.Compare(CurrentCheckTime, UpperBound) <= 0)
{
return 1;
}
return 0;
}

}
}