Program.cs

using System;
using System.Collections.Generic;

namespace Rocket_Elevators_Csharp_Controller
{
    class Battery
    {
        //Attributes
        public int ID;
        public string status;
        public Column bestColumn;
        public Elevator bestElevator;
        public int bestScore;
        public int referenceGap;
        public List<Column> columnsList;
        public List<FloorRequestButton> floorRequestButtonsList;
        //A fun way to solve a dumb _isBasement problem. First column is dedicated to basement, the rest are not.
        public bool trueFalseinator(int i)
        {
            if (i == 0)
            {
                return true;
            }
            else
            {
                return false;
            }
        }
        public Battery(int _id, int _amountOfColumns, int _amountOfFloors, int _amountOfBasements, int _amountOfElevatorPerColumn)
        {
            this.ID = _id;
            this.status = "charged"; //I still laugh at this everytime
            columnsList = new List<Column>();
            floorRequestButtonsList = new List<FloorRequestButton>();
            //Column creator
            var floor = 1;
            for (int i = 0; i < _amountOfColumns; i++)
            {
                var column = new Column(i+1, _amountOfElevatorPerColumn, 1, trueFalseinator(i));
                columnsList.Add(column);
                //servedFloor adder
                //Improve the logic by dividing.
                if (i > 0)
                {
                    var fpc = (int)Math.Ceiling((double)(_amountOfFloors / (_amountOfColumns - 1)));
                    for(int j = 0; j < fpc; j++)
                    {
                        if(floor <= _amountOfFloors)
                        {
                            columnsList[i].servedFloors.Add(floor);
                            CallButton downCallButtonCreator = new CallButton(floor, floor, "down");
                            columnsList[i].callButtonsList.Add(downCallButtonCreator);
                            floor++;
                        }
                    }
                }
                if(i > 1)
                {
                    columnsList[i].servedFloors.Add(1);
                }
                if (i == 0)
                {
                    for (int x = 1; x <= _amountOfBasements; x++)
                    {
                        columnsList[0].servedFloors.Add(-x);
                        CallButton upCallButtonCreator = new CallButton(x, -6 + x, "up");
                        columnsList[0].callButtonsList.Add(upCallButtonCreator);
                    }
                    columnsList[0].servedFloors.Add(1);
                } 
            }
            //Lobby only up and down buttons
            for (int i = 0; i < 1; i++)
            {
                var upFloorRequestButtonCreator = new FloorRequestButton(i, i + 1, "up");
                floorRequestButtonsList.Add(upFloorRequestButtonCreator);
            }
            for (int i = 0; i < 1; i++)
            {
                var downFloorRequestButtonCreator = new FloorRequestButton(i, i + 1, "down");
                floorRequestButtonsList.Add(downFloorRequestButtonCreator);
            }
        }
        public Column findBestColumn(int _requestedFloor)
        {
            for (int i = 0; i < 4; i++)
            {//For each if the 4 columns, look for a column that serves this floor.
                if (this.columnsList[i].servedFloors.Contains(_requestedFloor))
                {
                    this.bestColumn = this.columnsList[i];
                }
            }
            return this.bestColumn;
        }
        public (Elevator, int, int) getElevatorStats(string _direction) {
            foreach (Elevator elevator in this.bestColumn.elevatorsList)
                {
                    if (elevator.currentFloor == 1 && elevator.status == "stopped")
                    {
                        bestElevator = elevator;
                        bestScore = 1;
                        referenceGap = Math.Abs(elevator.currentFloor - 1);
                    }
                    if (elevator.currentFloor == 1 && elevator.status == "idle")
                    {
                        bestElevator = elevator;
                        bestScore = 2;
                        referenceGap = Math.Abs(elevator.currentFloor - 1);

                    }
                    if (elevator.floorRequestsList.Contains(1) && Math.Abs(elevator.currentFloor - 1) < referenceGap && elevator.direction == _direction)
                    {
                        bestElevator = elevator;
                        bestScore = 3;
                        referenceGap = Math.Abs(elevator.currentFloor - 1);
                    }
                    if (elevator.status == "idle")
                    {
                        bestElevator = elevator;
                        bestScore = 4;
                        referenceGap = Math.Abs(elevator.currentFloor - 1);
                    }

                }
                return (bestElevator, bestScore, referenceGap);
        }
        // public void moveElevator(int _requestedFloor, Elevator bestElevator) {
        //     while(bestElevator.currentFloor > 1){
        //             bestElevator.status = "moving";
        //             bestElevator.currentFloor--;
        //             Console.WriteLine("Elevator is on floor " + bestElevator.currentFloor);
        //         }
        //         while(bestElevator.currentFloor > _requestedFloor){
        //         bestElevator.currentFloor--;
        //         bestElevator.status = "moving";
        //         bestElevator.door.status = "closed";
        //         Console.WriteLine("Elevator is on floor " + bestElevator.currentFloor);
        //     }
        //     while(bestElevator.currentFloor < _requestedFloor){
        //         bestElevator.currentFloor++;
        //         bestElevator.status = "moving";
        //         bestElevator.door.status = "closed";
        //         Console.WriteLine("Elevator is on floor " + bestElevator.currentFloor);
        //     }
        //     while(bestElevator.currentFloor == _requestedFloor){
        //         bestElevator.floorRequestsList.Remove(_requestedFloor);
        //         bestElevator.completedRequestsList.Add(_requestedFloor);
        //         bestElevator.status = "idle";
        //         bestElevator.door.status = "open";
        //         Console.WriteLine("*DING* Elevator has arrived at floor " + _requestedFloor + ".");
        //         Console.WriteLine("Please exit now.");
        //         break;
        //     }
        // }
        public (Column, Elevator) assignElevator(int _requestedFloor, string _direction)
        {
            bestElevator = null;
            bestColumn = findBestColumn(_requestedFloor);
            bestScore = 5;
            referenceGap = 100000;

            if (_requestedFloor > 1)
            { 
                (bestElevator, bestScore, referenceGap) = this.getElevatorStats("down");
            }
            if (_requestedFloor < 1)
            { //For Basement Floors
                (bestElevator, bestScore, referenceGap) = this.getElevatorStats("up");
            }
            bestElevator.floorRequestsList.Add(_requestedFloor);
            //moveElevator(_requestedFloor, bestElevator);
            while(bestElevator.currentFloor > 1){
                    bestElevator.status = "moving";
                    bestElevator.currentFloor--;
                    Console.WriteLine("Elevator is on floor " + bestElevator.currentFloor);
                }
                while(bestElevator.currentFloor > _requestedFloor){
                bestElevator.currentFloor--;
                bestElevator.status = "moving";
                bestElevator.door.status = "closed";
                Console.WriteLine("Elevator is on floor " + bestElevator.currentFloor);
            }
            while(bestElevator.currentFloor < _requestedFloor){
                bestElevator.currentFloor++;
                bestElevator.status = "moving";
                bestElevator.door.status = "closed";
                Console.WriteLine("Elevator is on floor " + bestElevator.currentFloor);
            }
            while(bestElevator.currentFloor == _requestedFloor){
                bestElevator.floorRequestsList.Remove(_requestedFloor);
                bestElevator.completedRequestsList.Add(_requestedFloor);
                bestElevator.status = "idle";
                bestElevator.door.status = "open";
                Console.WriteLine("*DING* Elevator has arrived at floor " + _requestedFloor + ".");
                Console.WriteLine("Please exit now.");
                break;
            }
            return (bestColumn, bestElevator);
            
        }
    }
    class Column
    {
        //Attributes
        public int ID;
        public string status;
        public Elevator bestElevator1;
        public int bestScore1;
        public int referenceGap1;
        public List<int> servedFloors;
        public bool isBasement;
        public List<Elevator> elevatorsList;
        public List<CallButton> callButtonsList;
        //Constructor
        public Column(int _id, int _amountOfElevators, int _servedFloors, bool _isBasement)
        {
            this.ID = _id;
            this.status = "built";
            this.servedFloors = new List<int>();
            this.isBasement = _isBasement;
            elevatorsList = new List<Elevator>();
            callButtonsList = new List<CallButton>();
            //Elevator Creator
            for (int i = 0; i < _amountOfElevators; i++)
            {
                var elevator = new Elevator(i + 1);
                elevatorsList.Add(elevator);
            }
        }
        public Elevator requestElevator(int _requestedFloor, string _direction)
        {
            bestElevator1 = null;
            bestScore1 = 5;
            referenceGap1 = 100000;
            foreach (Elevator elevator in this.elevatorsList)
            {
                if (_requestedFloor < 1)
                {
                    if (elevator.currentFloor == _requestedFloor && elevator.direction == "up")
                    {
                        bestElevator1 = elevator;
                        bestScore1 = 1;
                        referenceGap1 = Math.Abs(elevator.currentFloor - _requestedFloor);
                    }
                    if (elevator.floorRequestsList.Contains(1) && elevator.direction == "up" && elevator.currentFloor < _requestedFloor && Math.Abs(elevator.currentFloor - _requestedFloor) < referenceGap1)
                    {
                        bestElevator1 = elevator;
                        bestScore1 = 2;
                        referenceGap1 = Math.Abs(elevator.currentFloor - _requestedFloor);
                    }
                    if (elevator.status == "idle")
                    {
                        bestElevator1 = elevator;
                        bestScore1 = 3;
                        referenceGap1 = Math.Abs(elevator.currentFloor - _requestedFloor);
                    }

                }
                //Same code as above but up and down were switched
                if (_requestedFloor > 1)
                {
                    if (elevator.currentFloor == _requestedFloor && elevator.direction == "down")
                    {
                        bestElevator1 = elevator;
                        bestScore1 = 1;
                        referenceGap1 = Math.Abs(elevator.currentFloor - _requestedFloor);
                    }
                    if (elevator.floorRequestsList.Contains(1) && elevator.direction == "down" && elevator.currentFloor > _requestedFloor && Math.Abs(elevator.currentFloor - _requestedFloor) < referenceGap1)
                    {
                        bestElevator1 = elevator;
                        bestScore1 = 2;
                        referenceGap1 = Math.Abs(elevator.currentFloor - _requestedFloor);
                    }
                    if (elevator.status == "idle")
                    {
                        bestElevator1 = elevator;
                        bestScore1 = 3;
                        referenceGap1 = Math.Abs(elevator.currentFloor - _requestedFloor);
                    }
            }
            }
            //Moves elevator to Lobby
            while(bestElevator1.currentFloor > 1){
                while(bestElevator1.currentFloor == _requestedFloor){
                bestElevator1.door.status = "open";
                Console.WriteLine("*DING* Elevator doors are open, please enter");
                break;
            }
                bestElevator1.currentFloor--;
                bestElevator1.status = "moving";
                bestElevator1.door.status = "closed";
                Console.WriteLine("Elevator is on floor " + bestElevator1.currentFloor);
            }
            while(bestElevator1.currentFloor < -1){
                bestElevator1.currentFloor++;
                bestElevator1.status = "moving";
                bestElevator1.door.status = "closed";
                Console.WriteLine("Elevator is on floor " + bestElevator1.currentFloor);
            }
            while(bestElevator1.currentFloor == -1){
                bestElevator1.currentFloor++;
            }
            while(bestElevator1.currentFloor == 0){
                bestElevator1.currentFloor++;
            }
            while(bestElevator1.currentFloor == 1){
                bestElevator1.status = "idle";
                bestElevator1.door.status = "open";
                Console.WriteLine("*DING* Elevator has arrived at Lobby.");
                break;
            }
            //return Elevator object.
            return bestElevator1;
                
                
        }
    }
    class Elevator
    {
        //Attributes
        public int ID;
        public string status;
        public int currentFloor;
        public string direction;
        public Door door;
        public List<int> floorRequestsList;
        public List<int> completedRequestsList;
        //Constructor
        public Elevator(int _id)
        {
            this.ID = _id;
            this.status = "idle";
            this.currentFloor = 1;
            this.direction = null;
            this.door = new Door(_id);
            floorRequestsList = new List<int>();
            completedRequestsList = new List<int>();
        }
    }
    
    class CallButton
    {
        //Attributes
        public int ID;
        public string status;
        public int floor;
        public string direction;
        //Constructor
        public CallButton(int _id, int _floor, string _direction)
        {
            this.ID = _id;
            this.status = "off";
            this.floor = _floor;
            this.direction = _direction;
        }
    }
    class FloorRequestButton
    {
        //Attributes
        public int ID;
        public string status;
        public int floor;
        public string direction;
        //Constructor
        public FloorRequestButton(int _id, int _floor, string _direction)
        {
            this.ID = _id;
            this.status = "off";
            this.floor = _floor;
            this.direction = _direction;
        }
    }
    class Door
    {
        //Attributes
        public int ID;
        public string status;
        //Constructor
        public Door(int _id)
        {
            this.ID = _id;
            this.status = "closed";
        }
    }
    class Program
    {
        static void Main(string[] args)
        {
            //Test Scenario 1
            Battery battery1 = new Battery(1, 4, 60, 6, 5);
            battery1.findBestColumn(20);
            battery1.columnsList[1].elevatorsList[0].currentFloor = 20;
            battery1.columnsList[1].elevatorsList[1].currentFloor = 3;
            battery1.columnsList[1].elevatorsList[2].currentFloor = 13;
            battery1.columnsList[1].elevatorsList[3].currentFloor = 15;
            battery1.columnsList[1].elevatorsList[4].currentFloor = 6;
            battery1.columnsList[1].elevatorsList[0].floorRequestsList.Add(5);
            battery1.columnsList[1].elevatorsList[1].floorRequestsList.Add(15);
            battery1.columnsList[1].elevatorsList[2].floorRequestsList.Add(1);
            battery1.columnsList[1].elevatorsList[3].floorRequestsList.Add(2);
            battery1.columnsList[1].elevatorsList[4].floorRequestsList.Add(1);
            battery1.columnsList[1].elevatorsList[0].status = "moving";
            battery1.columnsList[1].elevatorsList[1].status = "moving";
            battery1.columnsList[1].elevatorsList[2].status = "moving";
            battery1.columnsList[1].elevatorsList[3].status = "moving";
            battery1.columnsList[1].elevatorsList[4].status = "moving";
            battery1.columnsList[1].elevatorsList[0].direction = "down";
            battery1.columnsList[1].elevatorsList[1].direction = "up";
            battery1.columnsList[1].elevatorsList[2].direction = "down";
            battery1.columnsList[1].elevatorsList[3].direction = "down";
            battery1.columnsList[1].elevatorsList[4].direction = "down";
            battery1.assignElevator(20, "up");
            Console.WriteLine("Elevator B5 is below");
            Console.WriteLine(battery1.bestElevator.ID);
            Console.WriteLine("Best Column ID below");
            Console.WriteLine(battery1.bestColumn.ID);

            //Test Scenario 2
            // Battery battery2 = new Battery(2, 4, 60, 6, 5);
            // battery2.findBestColumn(36);
            // battery2.columnsList[2].elevatorsList[0].currentFloor = 1;
            // battery2.columnsList[2].elevatorsList[1].currentFloor = 23;
            // battery2.columnsList[2].elevatorsList[2].currentFloor = 33;
            // battery2.columnsList[2].elevatorsList[3].currentFloor = 40;
            // battery2.columnsList[2].elevatorsList[4].currentFloor = 39;
            // battery2.columnsList[2].elevatorsList[0].floorRequestsList.Add(21);
            // battery2.columnsList[2].elevatorsList[1].floorRequestsList.Add(28);
            // battery2.columnsList[2].elevatorsList[2].floorRequestsList.Add(1);
            // battery2.columnsList[2].elevatorsList[3].floorRequestsList.Add(24);
            // battery2.columnsList[2].elevatorsList[4].floorRequestsList.Add(39);
            // battery2.columnsList[2].elevatorsList[0].status = "stopped";
            // battery2.columnsList[2].elevatorsList[1].status = "moving";
            // battery2.columnsList[2].elevatorsList[2].status = "moving";
            // battery2.columnsList[2].elevatorsList[3].status = "moving";
            // battery2.columnsList[2].elevatorsList[4].status = "moving";
            // battery2.columnsList[2].elevatorsList[0].direction = null;
            // battery2.columnsList[2].elevatorsList[1].direction = "up";
            // battery2.columnsList[2].elevatorsList[2].direction = "down";
            // battery2.columnsList[2].elevatorsList[3].direction = "down";
            // battery2.columnsList[2].elevatorsList[4].direction = "down";
            // battery2.assignElevator(36, "up");
            // Console.WriteLine("Elevator C1 is below");
            // Console.WriteLine(battery2.bestElevator.ID);
            // Console.WriteLine("Best Column ID below");
            // Console.WriteLine(battery2.bestColumn.ID);

            //Test Scenario 3
            // Battery battery3 = new Battery(2, 4, 60, 6, 5);
            // battery3.columnsList[3].elevatorsList[0].currentFloor = 58;
            // battery3.columnsList[3].elevatorsList[1].currentFloor = 50;
            // battery3.columnsList[3].elevatorsList[2].currentFloor = 46;
            // battery3.columnsList[3].elevatorsList[3].currentFloor = 1;
            // battery3.columnsList[3].elevatorsList[4].currentFloor = 60;
            // battery3.columnsList[3].elevatorsList[0].status = "moving";
            // battery3.columnsList[3].elevatorsList[1].status = "moving";
            // battery3.columnsList[3].elevatorsList[2].status = "moving";
            // battery3.columnsList[3].elevatorsList[3].status = "moving";
            // battery3.columnsList[3].elevatorsList[4].status = "moving";
            // battery3.columnsList[3].elevatorsList[0].floorRequestsList.Add(1);
            // battery3.columnsList[3].elevatorsList[1].floorRequestsList.Add(60);
            // battery3.columnsList[3].elevatorsList[2].floorRequestsList.Add(58);
            // battery3.columnsList[3].elevatorsList[3].floorRequestsList.Add(54);
            // battery3.columnsList[3].elevatorsList[4].floorRequestsList.Add(1);
            // battery3.columnsList[3].elevatorsList[0].direction = "down";
            // battery3.columnsList[3].elevatorsList[1].direction = "up";
            // battery3.columnsList[3].elevatorsList[2].direction = "up";
            // battery3.columnsList[3].elevatorsList[3].direction = "up";
            // battery3.columnsList[3].elevatorsList[4].direction = "down";
            // battery3.columnsList[3].requestElevator(54, "down");
            // Console.WriteLine("Elevator D1 is below");
            // Console.WriteLine(battery3.columnsList[3].bestElevator1.ID);
            // Console.WriteLine("Elevator D1 currentFloor below");
            // Console.WriteLine(battery3.columnsList[3].bestElevator1.currentFloor);

            //Test Scenario 4
            // Battery battery4 = new Battery(2, 4, 60, 6, 5);
            // battery4.columnsList[0].elevatorsList[0].currentFloor = -4;
            // battery4.columnsList[0].elevatorsList[1].currentFloor = 1;
            // battery4.columnsList[0].elevatorsList[2].currentFloor = -3;
            // battery4.columnsList[0].elevatorsList[3].currentFloor = -6;
            // battery4.columnsList[0].elevatorsList[4].currentFloor = -1;
            // battery4.columnsList[0].elevatorsList[0].status = "idle";
            // battery4.columnsList[0].elevatorsList[1].status = "idle";
            // battery4.columnsList[0].elevatorsList[2].status = "moving";
            // battery4.columnsList[0].elevatorsList[3].status = "moving";
            // battery4.columnsList[0].elevatorsList[4].status = "moving";
            // battery4.columnsList[0].elevatorsList[2].floorRequestsList.Add(-5);
            // battery4.columnsList[0].elevatorsList[3].floorRequestsList.Add(1);
            // battery4.columnsList[0].elevatorsList[4].floorRequestsList.Add(-6);
            // battery4.columnsList[0].elevatorsList[0].direction = null;
            // battery4.columnsList[0].elevatorsList[1].direction = null;
            // battery4.columnsList[0].elevatorsList[2].direction = "down";
            // battery4.columnsList[0].elevatorsList[3].direction = "up";
            // battery4.columnsList[0].elevatorsList[4].direction =  "down";
            // battery4.columnsList[0].requestElevator(-3, "up");
            // Console.WriteLine("Elevator A4 is below");
            // Console.WriteLine(battery4.columnsList[0].bestElevator1.ID);
            // Console.WriteLine("Elevator A4 currentFloor below");
            // Console.WriteLine(battery4.columnsList[0].bestElevator1.currentFloor);
        }
    }
}