using System;

using System.IO;

using System.Collections.Generic;

using System.Linq;

namespace ElevatorAlgorithm

{

class StartMain

{

static void Main(string[] args)

{

//Assigning all default values like minFloor,maxFloor,maxCapacity and number of elevators from a text file

//this could be used but have to create the file according to the location

List<int> termsList = new List<int>();

String filepath = @"../../../Variables.txt";

List<string> lines = File.ReadAllLines(filepath).ToList();

foreach(var line in lines){

string[] entries = line.Split('=');

termsList.Add(Int32.Parse(entries[1]));

}

//these variables can be changed according to the user in Variables.txt file

//numOfElevators = termsList[0];

//minFloor = termsList[1];

//maxFloor = termsList[2];

//maxCapacity = termsList[3];

Elevator[] elevator = new Elevator[termsList[0]];

// Assigning Lowest Floor

//Highest Floor

//Maximun Capacity

//to all the elevators present

for (int i = 0; i < termsList[0]; i++)

{

elevator[i] = new Elevator(termsList[1], termsList[2], termsList[3]);

}

//Temporary Elevator Object

Elevator change = null;

while (true)

{

//Status of all Elevators

for (int j = 0; j < elevator.Length; j++)

{

Console.ForegroundColor = ConsoleColor.Cyan;

Console.Out.WriteLine("\nElevator " + (j + 1) + " is at Floor----> " + elevator[j].getCurrentFloor()

+ "\t Number of people on it.....>" + elevator[j].getSum());

Console.ForegroundColor = ConsoleColor.White;

}

Console.Out.WriteLine("--------------------------++++++++-------------------------");

// Checking if the user wants Multiple floors call

Console.Out.WriteLine("\nHOW many MULTIPLE FLOORS are people waiting on?");

int numFloors = Int32.Parse(Console.ReadLine());

int[] floor = new int[numFloors];

int[] people = new int[numFloors];

int z = 0;

for (int i = 0; i < numFloors; i++)

{

//User selection of desired floor where people are waiting

while (true)

{

Console.Out.WriteLine("Please enter the NEXT FLOOR NUMBER where people are waiting..("

+ elevator[1].getMinFloor() + " to " + elevator[1].getMaxFloor() + ")");

floor[i] = Int32.Parse(Console.ReadLine());

if (floor[i] < elevator[1].getMinFloor() || floor[i] > elevator[1].getMaxFloor())

{

Console.ForegroundColor = ConsoleColor.DarkRed; //Color Coding for Error Message

Console.Out.WriteLine("FLOOR NUMBER INVALID");

Console.ForegroundColor = ConsoleColor.White;

}

else

{

break;

}

}

// Optimizing the BEST ELEVATOR for that location selected by the user

int[] unsorted = new int[elevator.Length];

int[] sorted = new int[elevator.Length];

for (int j = 0; j < elevator.Length; j++)

{

unsorted[j] = Math.Abs(floor[i] - elevator[j].getCurrentFloor());

sorted[j] = unsorted[j];

}

Array.Sort(sorted);

for (int j = 0; j < sorted.Length; j++)

{

for (int k = 0; k < unsorted.Length; k++)

{

{

if (elevator[k].getIsIdle() == 0 && sorted[j] == unsorted[k])

{

change = elevator[k]; //Selecting the desired elevator into temp

z = k + 1;

elevator[k].setIsIdle(1);

Console.ForegroundColor = ConsoleColor.Cyan;

Console.WriteLine("\nElevator " + z + " is selected\n");

Console.ForegroundColor = ConsoleColor.White;

goto LoopEnd;

}

}

}

}

LoopEnd:

// Registering the User input of amount of users waiting on that desired floor

while (true)

{

Console.Out.WriteLine("Enter the NUMBER OF PEOPLE waiting at level " + floor[i] + "----->MAXIMUM "

+ change.getMaxCapacity());

people[i] = Int32.Parse(Console.ReadLine());

change.setSum(people[i]);

if (change.getSum() > 0 && change.getSum() <= (change.getMaxCapacity()))

{

break;

}

else if (change.getSum() <= 0)

{

change.setSum(-people[i]);

Console.ForegroundColor = ConsoleColor.DarkRed;

Console.Out.WriteLine("PLEASE ENTER A POSITIVE INTEGER");

Console.ForegroundColor = ConsoleColor.White;

}

else

{

change.setSum(-people[i]);

Console.ForegroundColor = ConsoleColor.DarkRed;

Console.Out.WriteLine("SORRY WEIGHT LIMIT OF ELEVATOR " + z + " EXEEDED...\nOnly "

+ (change.getMaxCapacity() - change.getSum()) + " CAN COME ON THIS FLOOR ");

Console.ForegroundColor = ConsoleColor.White;

}

}

// Moving to the selected floor Step by Step

change.moveNext(floor[i], z);

// Assigning the number of people boarding the elevator

change.setPeople(people[i], z);

//Keeps looping until the people on the elevator is 0

while (change.getSum() != 0)

{

// selecting the floor where people want to get down

while (true)

{

Console.Out.WriteLine("Please enter your DESTINATION FLOOR(" + elevator[1].getMinFloor() + " to "

+ elevator[1].getMaxFloor() + ")");

floor[i] = Int32.Parse(Console.ReadLine());

if (floor[i] < elevator[1].getMinFloor() || floor[i] > elevator[1].getMaxFloor())

{

Console.ForegroundColor = ConsoleColor.DarkRed;

Console.Out.WriteLine("FLOOR NUMBER INVALID");

Console.ForegroundColor = ConsoleColor.White;

}

else

{

break;

}

}

// Registering the number of people getting down at that floor

while (true)

{

Console.Out.WriteLine("Enter the NUMBER OF PEOPLE getting down at " + floor[i]);

people[i] = Int32.Parse(Console.ReadLine());

if (change.getSum() < people[i])

{

Console.ForegroundColor = ConsoleColor.DarkRed;

Console.Out.WriteLine(

"Sorry there are only " + change.getSum() + " people left on elevator " + z);

Console.ForegroundColor = ConsoleColor.White;

}

else if (people[i] < 0)

{

Console.ForegroundColor = ConsoleColor.DarkRed;

Console.Out.WriteLine("Please enter a positive integer...");

Console.ForegroundColor = ConsoleColor.White;

}

else

{

change.setSum(-people[i]);

change.moveNext(floor[i], z);

change.setPeople(-people[i], z);

break;

}

}

}

// forwarding the values from temporary elevator object to desired elevator object

for (int k = 0; k < elevator.Length; k++)

{

if (z == k + 1)

{

elevator[k] = change;

elevator[k].setIsIdle(-1);

Console.WriteLine("\nElevator " + z + " has ended its action and is idle now \n");

break;

}

}

}

}

}

}

}