Vehicle

using System;
using System.Collections.Generic;
using System.Text;

namespace Vehicles
{
    abstract class Vehicle
    {
        public double FuelQuantity { get; set; }
        public double LitersPerKmConsumed { get; set; }
        public double TankCapacity { get; set; }
        public double MaxDistanceCanTravel
        {
            get
            {
                return FuelQuantity / LitersPerKmConsumed;
            }
        }
        public Vehicle(double fuelQuantity,double litersPerKmConsumed,double tankCapacity)
        {
            this.LitersPerKmConsumed = litersPerKmConsumed;
            this.TankCapacity = tankCapacity;
            if (tankCapacity >= fuelQuantity)
            {
                this.FuelQuantity = fuelQuantity;
            }
            else
            {
                this.FuelQuantity = 0;
            }

        }
        public virtual void Refuel(double liters)
        {
            if (liters <= 0)
            {
                Console.WriteLine("Fuel must be a positive number");
            }
            else if (this.TankCapacity < this.FuelQuantity+ liters )
            {
                Console.WriteLine($"Cannot fit {liters} fuel in the tank");
            }
            else
            {
                this.FuelQuantity = this.FuelQuantity + liters;
            }
        }
        public abstract void Drive(double kilometresToTravel);
        public virtual void DriveEmpty(double kilometresToTravel)
        {

        }
    }
    class Car: Vehicle
    {
        public Car(double fuelQuantity,double litersPerKmConsumed,double tankCapacity)
            : base(fuelQuantity, litersPerKmConsumed + 0.9,tankCapacity)
        {

        }
        public override void Refuel(double liters)
        {
            base.Refuel(liters);
        }

        public override void Drive(double kilometresToTravel)
        {
            if (MaxDistanceCanTravel >= kilometresToTravel)
            {
                FuelQuantity = FuelQuantity - LitersPerKmConsumed * kilometresToTravel;
                Console.WriteLine($"Car travelled {kilometresToTravel} km");
            }
            else
            {
                Console.WriteLine("Car needs refueling");
            }
        }
        public override string ToString()
        {
            return string.Format("Car: {0:F2}", base.FuelQuantity);
        }
    }
    class Truck : Vehicle
    {
        public Truck(double fuelQuantity, double litersPerKmConsumed,double tankCapacity)
            : base(fuelQuantity, litersPerKmConsumed + 1.6,tankCapacity)
        {
        }
        public override void Refuel(double liters)
        {
            base.Refuel(liters*0.95);
        }
        public override void Drive(double kilometresToTravel)
        {
            if (MaxDistanceCanTravel >= kilometresToTravel)
            {
                FuelQuantity = FuelQuantity - LitersPerKmConsumed * kilometresToTravel;
                Console.WriteLine($"Truck travelled {kilometresToTravel} km");
            }
            else
            {
                Console.WriteLine("Truck needs refueling");
            }
        }
        public override string ToString()
        {
            return string.Format("Truck: {0:F2}", base.FuelQuantity);
        }
    }
    class Bus
        : Vehicle
    {
        public Bus(double fuelQuantity, double litersPerKmConsumed, double tankCapacity) :
            base(fuelQuantity, litersPerKmConsumed, tankCapacity)
        {
        }

        public override void Drive(double kilometresToTravel)
        {
            this.LitersPerKmConsumed = this.LitersPerKmConsumed + 1.4;
            if (FuelQuantity / LitersPerKmConsumed >= kilometresToTravel)
            {
                FuelQuantity = FuelQuantity - LitersPerKmConsumed * kilometresToTravel;
                Console.WriteLine($"Bus travelled {kilometresToTravel} km");
            }
            else
            {
                Console.WriteLine("Bus needs refueling");
            }
            this.LitersPerKmConsumed = this.LitersPerKmConsumed - 1.4;
        }
        public override void DriveEmpty(double kilometresToTravel)
        {
            if (FuelQuantity / LitersPerKmConsumed >= kilometresToTravel)
            {
                FuelQuantity = FuelQuantity - (LitersPerKmConsumed * kilometresToTravel);
                Console.WriteLine($"Bus travelled {kilometresToTravel} km");
            }
            else
            {
                Console.WriteLine("Bus needs refueling");
            }
        }
        public override void Refuel(double liters)
        {
            base.Refuel(liters);
        }

        public override string ToString()
        {
            return string.Format("Bus: {0:F2}", base.FuelQuantity);
        }
    }

}