import java.io.IOException;
import java.sql.Date;
import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.ArrayList;
import java.util.InputMismatchException;
import java.util.Iterator;
import java.util.Scanner;

public class Depot{
	@SuppressWarnings("deprecation")
	String name;		//Class name
	int counter = 0;	//Counter to measure login attempts

	//declare long for dates used in preset work schedules, in milliseconds from 1970
	Long date3 = 1478217600000L;
	Date date1 = new Date(1478217600000L);
	Date date2 = new Date(1479217600000L);

	//Instantiating new Driver/Manager objects
	Driver driver = new Driver("tom", "tom", false);
	Driver driver2 = new Driver("phil2", "phil2", false);
	Driver driver3 = new Driver("phil", "phil", true);
	Manager manager = new Manager("ben", "ben", true);

	//Instantiating new Tanker/Trucks
	Truck vehicle1 = new Truck("audi", "t45", 46, "0000", true, 500);
	Tanker vehicle2 = new Tanker("audi", "t45", 32, "0001", true, 350);
	Tanker vehicle3 = new Tanker("audi", "t45", 50, "0002", false, 600);

	//Instantiating new WorkSchedules
	WorkSchedule sche1 = new WorkSchedule("tom", "george", date1, date2, "0001", "Pending");
	WorkSchedule sche2 = new WorkSchedule("phil", "george2", date1, date2, "0002", "Pending");

	//declaring new arrayList of given object; eg drivers..
	static ArrayList<Driver> driverArray = new ArrayList<Driver>();
	static ArrayList<Vehicle> vehicleArray = new ArrayList<Vehicle>();
	static ArrayList<WorkSchedule> workSArray = new ArrayList<WorkSchedule>();

	//declare method logOn(), used for the login eg; checking credentials
	public void logOn(){

		//Check if there's been 3 login attempts, if so output to console and cloe system
		if (counter > 3){
			System.out.print("You have entered the incorect details three times the system will now close! \n");
			System.exit(0);
		}

		//Prompt user for Login details and save answer in Temp
		Scanner in = new Scanner(System.in);
		System.out.println(" Welcome to the depot system \n Enter your Username and Password to continue \n Username: ");
		String temp = in.nextLine();

		//Iterate through drivers,
		for (int i = 0; i < driverArray.size(); i++) {

			if(driverArray.get(i).CheckUsername(temp)){			//If username matches read in password to temp2
				System.out.println(" Password: ");
				String temp2 = in.nextLine();

				if(driverArray.get(i)instanceof Manager){;		//if user is a manager...

				if(driverArray.get(i).CheckPassword(temp2)){	//if password is correct, print notifications and open menu
					System.out.print("\n Notifications: ");
					driverArray.get(i).PrintNotifications();
					managerMenu();
				}else {
					System.out.println("Your details are incorect please try again! \n");
					counter++;				//increment log in attempt counter by 1
					logOn();				//re-executes LogOn() from the beginning
				}

				}else {
					if(driverArray.get(i).CheckPassword(temp2)){			//if password is correct, print notifications
						System.out.print("\n Notifications: ");
						driverArray.get(i).PrintNotifications();

						//prompt user for name then print their schedule
						System.out.print("\n To view your Work Schedule enter your username");	//normal drivers can only view their work schedule
						Scanner keyboard = new Scanner(System.in);
						String client = keyboard.nextLine();
						printSchedUN(client);								//prints current drivers Schedule
						System.out.print("\n \n press Enter to Exit.");
						keyboard.nextLine();
					}else {
						System.out.println("Your details are incorect please try again! \n");	//details are incorrect message
						counter++;		//increments counter by 1
						logOn();		//re-executes LogOn()
					}
				}
			}
		}
		counter++;		//increments counter by 1
	}

	//returns a container of two values isTrue and num
	public static Container getVehicle(String reg) {
		Container b = new Container();							//Instantiate two containers
		Container c = new Container();
		c.SetContainer(false, 0);								//Set Null container

		for (int i = 0; i < vehicleArray.size(); i++) {			//iterate through vehicles
			b.SetContainer(true, i);
			if (vehicleArray.get(i).CheckRegNo(reg))return b;	//if regNo's match return b
		}
		return c;	// if RegNo's don't match return C (null)
	}

	//returns a container of two values isTrue and num
	public static Container getDriver(String driver) {
		Container b = new Container();							//Instantiate two containers
		Container c = new Container();
		c.SetContainer(false, 0);								//Set Null container

		for (int i = 0; i < driverArray.size(); i++) {			//iterate through vehicles
			b.SetContainer(true, i);
			if (driverArray.get(i).CheckUsername(driver))		//if usernames match return b
				return b;
		}
		return c;	//if usernames don't match return b
	}

	//prints all WorkSchedules to the console
	public static void printSched(String Sched) {
		for (int i = 0; i < workSArray.size(); i++) {		//iterate through workSchedules
			if (workSArray.get(i).CheckClientName(Sched))	//if clients name matches
				workSArray.get(i).PrintSchedule();			//print the schedule
			else
				System.out.println("No Schedule under this name exists \n");
		}
	}

	//prints all workSchedules to the console
	public static void printSchedUN(String Sched) {
		for (int i = 0; i < workSArray.size(); i++) {	//iterate through workSchedules
			if (workSArray.get(i).CheckUsername(Sched))	//if usernames match
				workSArray.get(i).PrintSchedule();		//print the schedule
			else
				System.out.println("No Schedule under this name exists \n");
		}
	}

	public boolean checkDepotName(String depotName) {
		return name.equals(depotName);
	}

	// menu for editing workSchedules
	public static void workScheduleMenu() {
		Scanner in = new Scanner(System.in);
		int selection = 0;

		do {
			try {
				//output the users choices and read in selection
				System.out.println("1. Create new schedule");
				System.out.println("2. Remove schedule");
				System.out.println("3. Exit");
				System.out.print("Please select an option: \n");
				selection = in.nextInt();
			} catch (InputMismatchException e) { //catches exception
				System.out.println("Enter a valid number from the list!\n");
			}

			//switch statement for menu
			switch (selection) {
			case 1:
				//prompt user and save value to reg
				System.out.print("You selected option 1 \n");
				System.out.print("Please enter the reg no. of the vehicle \n");
				Scanner keyboard2 = new Scanner(System.in);
				String reg = keyboard2.nextLine();

				if (getVehicle(reg).isTrue) {										//if a vehicle with that reg exists
					if (vehicleArray.get(getVehicle(reg).num).IsAvailable()) {		//if that vehicle is available
						System.out.print("Please enter the drivers username \n");	//prompt user for username
						Scanner keyboard3 = new Scanner(System.in);
						String username = keyboard2.nextLine();

						if (getDriver(username).isTrue) {													//if a driver with that username exists
							if (driverArray.get(getDriver(username).num).IsAvailable()) {					// if driver is available
								try {
									driverArray.get(getDriver(username).num).SetSchedule(reg, username);	// create work schedule
								} catch (IOException e) {
									// TODO Auto-generated catch block
									e.printStackTrace();
								}
							} else {
								System.out.println("Driver is unavailable");
								break;
							}
						}
					} else {
						System.out.println("Vehicle is unavailable");
						break;
					}
				}
				break;
			case 2:
				//prompt user for username
				System.out.print("You selected option 3 \n");
				System.out.print("REMOVE SCHEDULE \n");
				Scanner keyboard3 = new Scanner(System.in);
				System.out.println("Please enter the name of the driver who's schedule you wish to remove");
				String username = keyboard3.nextLine();

				Iterator<WorkSchedule> it = workSArray.iterator(); 	//iterate through the workSchedules
				while (it.hasNext()) {
					WorkSchedule user = it.next();
					if (user.CheckUsername(username)) { 			// if usernames are equal, remove it
						it.remove();
					}
				}
				System.out.print("You have chosen to remove:" + username);
				break;
			case 3:
				//opens driver menu
				managerMenu();
				break;
			default:
				System.out.print("The selection is invalid.");
				break;
			}
		} while (selection != 4);
	}

	//Depot constructor
	public Depot(String Name) {
		//set the name of the depot and add objects to their corresponding arrayList
		this.name = Name;
		driverArray.add(driver);
		driverArray.add(driver2);
		driverArray.add(driver3);
		driverArray.add(manager);
		vehicleArray.add(vehicle1);
		vehicleArray.add(vehicle2);
		vehicleArray.add(vehicle3);
		workSArray.add(sche1);
		workSArray.add(sche2);
	}

	public Boolean checkDepotName1(String name) {
		return this.name.equals(name);
	}

	//opens the driver menu
	public static void managerMenu() {
		Scanner in = new Scanner(System.in);
		int selection = 0;
		do {
			try {
				//output options to console and read in choice
				System.out.println("1. view work schedule");
				System.out.println("2. View drivers");
				System.out.println("3. Create schedule");
				System.out.println("4. Add vehicle");
				System.out.println("5. Remove vehicle");
				System.out.println("6. View vehicles");
				System.out.println("7. Add driver");
				System.out.println("8. remove driver");
				System.out.println("9. move vehicle");
				System.out.println("10. Exit");
				System.out.print("Please select an option:");
				selection = in.nextInt();
			} catch (InputMismatchException e) {
				System.out.println("Please enter a valid number from the list!!\n");
			}

			switch (selection)
			{
			case 1:
				//prompt user for clients name and print the corresponding schedule
				System.out.print("VIEW EXISTING SCHEDULE \n Please enter the clients name");
				Scanner keyboard = new Scanner(System.in);
				String client = keyboard.nextLine();
				printSched(client);
				break;
			case 2:
				//iterate through drivers and print their usernames
				System.out.print("View Drivers \n");
				for (int i = 0; i < driverArray.size(); i++) {
					driverArray.get(i).printN();
				}
				break;
			case 3:
				//opens work schedule menu
				System.out.print("You selected create schedule \n");
				Depot.workScheduleMenu();
				break;
			case 4:
				//prompt user for vehicle type, make, model and wight recording each
				System.out.print("You selected add vehicle \n");
				System.out.print("Please enter the type of vehicle you want to add (truck or tanker) \n ");
				Scanner keyboard1 = new Scanner(System.in);
				String type = keyboard1.nextLine();
				System.out.print("Please enter the vehicle make: ");
				String make = keyboard1.nextLine();
				System.out.print("Please enter the vehicle model: ");
				String model = keyboard1.nextLine();
				System.out.print("Please enter the vehicle weight: ");
				int weight = 0;

				//input validation
				try{
					weight = keyboard1.nextInt();
				} catch (InputMismatchException e) {
					System.out.println("Please enter a valid number for vehicle weight!!\n");
				}

				//prompt user for reg
				String reg;
				System.out.print("Please enter the vehicle reg: ");
				Scanner keyboard6 = new Scanner(System.in);
				reg = keyboard6.nextLine();

				if(type.equals("tanker")){		//if the vehicle is a tanker
					System.out.print("Please enter the max fluid capacity of the vehicle: \n");
					int weight1 = 0;

					try{	//input validation
					weight1 = keyboard6.nextInt();
					} catch (InputMismatchException e) {
						System.out.println("Please enter a valid number for max fluid capacity!!\n");
					}

					Tanker tanker = new Tanker(make, model, weight, reg, true,weight1); 	//instantiate a new tanker and add it to tankers
					vehicleArray.add(tanker);
					managerMenu();

				}else if (type.equals("truck")){	//if the vehicle is a tanker
					System.out.print("Please enter the max cargo capacity of the vehicle: ");
					int weight2 = 0;

					try{	//input validation
						weight2 = keyboard6.nextInt();
					} catch (InputMismatchException e) {
						System.out.println("Please enter a valid number for max cargo capacity!!\n");
					}

					Truck truck = new Truck(make, model, weight, reg, true,weight2);	//instantiate a new truck and add it to trucks
					vehicleArray.add(truck);
					managerMenu();
				}
				break;
			case 5:
				//prompt user for the reg
				System.out.print("You selected remove vehicle \n");
				Scanner keyboard3 = new Scanner(System.in);
				System.out.println("Please enter the Reg No. of the vehicle you wish to remove: \n");
				String reg1 = keyboard3.nextLine();

				Iterator<Vehicle> it = vehicleArray.iterator();		//iterate through vehicles
				while (it.hasNext()) {
					Vehicle user = it.next();
					if (user.CheckRegNo(reg1)) {	//if the reg matches remove the vehicle
						it.remove();
					}
				}
				System.out.print("You have chosen to remove:" + reg1);
				break;
			case 6:
				//iterate through vehicles and print each to console
				System.out.print("You selected View Drivers\n");
				for (int i = 0; i < vehicleArray.size(); i++) {
					vehicleArray.get(i).printN();
				}
				break;
			case 7:
				//prompt user for type, username and password
				System.out.print("You selected add Driver \n Is it a new driver or manager? \n");
				Scanner keyboard4 = new Scanner(System.in);
				String type1 = keyboard4.nextLine();
				System.out.print("Please enter the Drivers Username: ");
				String username = keyboard4.nextLine();
				System.out.print("Please enter the Drivers Password: ");
				String password = keyboard4.nextLine();

				if(type1.equals("manager")){	//if type is equals to "manager"
					Manager manager = new Manager(username, password, false);	//instantiate manager and add it to arrayList
					driverArray.add(manager);
				}else if(type1.equals("driver")){	//if type is equal to "driver"
					Driver driver = new Manager(username, password, false);		//instantiate driver and add it to arrayList
					driverArray.add(driver);
				}
				break;
			case 8:
				//prompt user for username
				System.out.print("You selected remove Driver \n");
				Scanner keyboard7 = new Scanner(System.in);
				System.out.println("Please enter the Username of the driver you wish to remove: \n");
				String username2 = keyboard7.nextLine();

				Iterator<Driver> it1 = driverArray.iterator();	//iterate through drivers
				while (it1.hasNext()) {
					Driver user = it1.next();
					if (user.CheckUsername(username2)) {	//if usernames are equal, remove the driver
						it1.next();
						it1.remove();
					}
				}
				break;
			case 9:
				//prompt user for the reg
				System.out.print("You selected move Vehicle \n");
				Scanner keyboard8 = new Scanner(System.in);
				System.out.println("Please enter the Reg No. of the vehicle you wish to move: \n");
				String reg2 = keyboard8.nextLine();

				Iterator<Vehicle> it3 = vehicleArray.iterator();	//iterate through vehicles
				while (it3.hasNext()) {
					Vehicle user = it3.next();
					if (user.CheckRegNo(reg2)) {	//if the usernames are equal, remove the vehicle and prompt for new depot
						it3.remove();
						System.out.println("Please enter the Depot you wish to move the vehicle to: \n");
						String name = keyboard8.nextLine();

						for (int i = 0; i < system.depotArray.size(); i++) {	//iterate through Depots
							if (system.depotArray.get(i).checkDepotName(name)) { 	//if there is a depot with the same name add the vehicle to it
								//system.depotArray.get(i).remove();
								system.depotArray.get(i).vehicleArray.add(user);
							}
						}
					}
				}
			break;
			case 10:
				//close the system
				System.exit(0);
				break;
			default:
				System.out.print("The selection is invalid.\n");
				break;
			}
		} while (selection != 4);
	}
}