import java.util.Scanner;
public class Store {

    //array for Videos space allocated = 100
    static Video[] videos;
    //array for Customers space allocated = 3
    static Customer[] customers;
    static Scanner keyboard;

    public static void main(String[] args) {

        videos = new Video[100];

        //populate the array for Videos
        videos[0] = new DVD ("Star Wars", 3.5, "Lucas");
        videos[1] = new DVD ("Death Note", 2.5, "Tarantino");
        videos[2] = new VCD ("Death Note", 1.5, "A", 2006);
        videos[3] = new DVD ("Shrek", 2.0, "Agogo");
        videos[4] = new VHS ("Transformers", 3.25);
        videos[5] = new VHS ("The Eye", 3.0);
        videos[6] = new VCD ("Fantastic 4", 2.0, "B", 2004);
        videos[7] = new VCD ("Shampoo", 2.0, "B", 2007);
        videos[8] = new DVD ("Bourne Ultimatum", 3.0,"Ang Lee");
        videos[9] = new VCD ("Bourne Ultimatum", 3.0, "A", 2007);
        videos[10] = new VHS ("Bourne Ultimatum", 3.0);

        customers = new Customer[100];

        //populate the array for Customers
        customers[0] = new Customer("Lighto Yagami", "012-888-9808", 23, 0);
        customers[1] = new Customer("L.Lawliet", "011-222-3333", 24, 0 );
        customers[2] = new Customer("Misa Misa", "020-452-5656", 21, 0);

        //Declarations
        keyboard = new Scanner(System.in);
        boolean quit = false;                       //flag for do while loop
        String option;
        String movieTitle;
        double movieLength;
        String customerName;
        String mediumType;
        String directorName;
        String movieRating;
        int movieYear;
        int indexDVD = -1;
        int indexVCD = -1;
        int indexVHS = -1;
        int customerIndex = -1;


        do{
            //Menu for the user
            System.out.println("a)  Renting a DVD, VCD, or VHS");
            System.out.println("b)  Returning a DVD, VCD or VHS");
            System.out.println("c)  Buy a video");
            System.out.println("d)  Print out customer information");
            System.out.println("e)  Add a video");
            System.out.println("f)  Print out information for all the DVDs.");
            System.out.println("g)  Exit Program");
            option = keyboard.nextLine();

            //See the user key in which option
            // Rent a video
            if (option.equals("a") || option.equals("A")) {
                System.out.println("Please enter the title of Video");
                movieTitle = keyboard.nextLine();
                for (int i=0; i<videos.length; i++) {
                    if (videos[i] == null) {
                        System.out.println("The video title could not be found");
                        break;
                    }
                    if (videos[i].getTitle().toLowerCase().equals(movieTitle.toLowerCase())) {          //compare the title in lower case
                        if (videos[i].getStatus() == 'I') {
                                if (videos[i] instanceof DVD) {
                                    System.out.println("DVD");
                                    indexDVD = i;
                                }
                                else if (videos[i] instanceof VCD) {
                                    System.out.println("VCD");
                                    indexVCD = i;
                                }
                                else if (videos[i] instanceof VHS) {
                                    System.out.println("VHS");
                                    indexVHS = i;
                                }
                            System.out.print("Which medium type do you want?");
                            mediumType = keyboard.nextLine();
                            if (mediumType.equals("DVD") || (mediumType.equals("dvd")) &&  (indexDVD != -1) ) {
                                if (videos[indexDVD].getStatus() == 'O') {
                                    System.out.println("Sorry, the DVD version of this video has been rented out.");
                                    return;
                                }
                                else {
                                    videos[indexDVD].setStatus('O');
                                    System.out.println("Thank you. You have successfully rent this DVD.");
                                    break;
                                }
                            }
                            else if (mediumType.equals("VCD") || (mediumType.equals("vcd")) && (indexVCD != -1)) {
                                if (videos[indexVCD].getStatus() == 'O') {
                                    System.out.println("Sorry, the VCD version of this video has been rented out.");
                                    return;
                                }
                                else {
                                    videos[indexVCD].setStatus('O');
                                    System.out.println("Thank you. You have successfully rent this VCD.");
                                    break;
                                }
                            }
                            else if (mediumType.equals("VHS") || (mediumType.equals("vhs")) && (indexVHS != -1)) {
                                if (videos[indexVHS].getStatus() == 'O') {
                                    System.out.println("Sorry, the VHS version of this video has been rented out.");
                                    return;
                                }
                                else {
                                    videos[indexVHS].setStatus('O');
                                    System.out.println("Thank you. You have successfully rent this VHS.");
                                    break;
                                }
                            }
                            else {
                                System.out.println("Sorry, the medium type you requested was not found.");
                                break;
                            }
                        }
                    }
                    else if (videos[i].getStatus() == 'O') {
                        System.out.println("Sorry, the all medium type of this video title you requested to be rent has been rented out");
                        break;
                    }
                    else {
                        System.out.println("Sorry, the video title you requested was not found.");
                        break;
                    }
                    return;

                }
            }
            //Returning a video
            else if (option.equals("b") || option.equals("B")) {
                System.out.println("Please enter the title of video");
                movieTitle = keyboard.nextLine();
                for (int i=0; i<100; i++) {
                    if (videos[i] == null) {
                        System.out.println("Sorry, the video title could not be found");
                        break;
                    }
                    if (videos[i].getTitle().toLowerCase().equals(movieTitle.toLowerCase())) {
                        if (videos[i].getStatus() == 'O') {
                            if (videos[i] instanceof DVD) {
                                System.out.println("DVD");
                                indexDVD = i;
                            }
                            else if (videos[i] instanceof VCD) {
                                System.out.println("VCD");
                                indexVCD = i;
                            }
                            else if (videos[i] instanceof VHS) {
                                System.out.println("VHS");
                                indexVHS = i;
                            }
                            System.out.print("Which medium type do you want to return?");
                            mediumType = keyboard.nextLine();
                            if (mediumType.equals("DVD") && indexDVD != -1 ) {
                                if (videos[indexDVD].getStatus() == 'I') {
                                    System.out.println("Sorry, the DVD version of this video is in store.");
                                    return;
                                }
                                else {
                                    videos[indexDVD].setStatus('I');
                                    System.out.println("Thank you. You have successfully returned this DVD.");
                                    break;
                                }
                                }
                                else if (mediumType.equals("VCD") && indexVCD != -1) {
                                    if (videos[indexVCD].getStatus() == 'I') {
                                        System.out.println("Sorry, the VCD version of this video is in store.");
                                        return;
                                    }
                                    else {
                                        videos[indexVCD].setStatus('I');
                                        System.out.println("Thank you. You have successfully returned this VCD.");
                                        break;
                                    }
                                }
                                else if (mediumType.equals("VHS") && indexVHS != -1) {
                                    if (videos[indexVHS].getStatus() == 'I') {
                                        System.out.println("Sorry, the VHS version of this video is in store.");
                                        return;
                                    }
                                    else {
                                        videos[i].setStatus('I');
                                        System.out.println("Thank you for choosing us. Please come again");
                                        break;
                                    }
                                }
                        else {
                            System.out.println("The video is in store. Please try again.");
                            break;
                        }
                        }
                    }
                }
            }

            //Buying a video
            else if (option.equals("c") || option.equals("C")) {

                buyingMovie();

            } // end else if line 109

            //Print out customer information
            else if (option.equals("d") || option.equals("D")) {
                System.out.println("Please enter customer name");
                customerName = keyboard.nextLine();
                for (int i=0; i<customers.length; i++) {
                    if (customers[i] == null) {
                        customerIndex = -1;
                        break;
                    }
                    if (customers[i].getName().toLowerCase().equals(customerName.toLowerCase())) {
                        customerIndex = i;
                        break;
                    }
                    if (i == (customers.length-1)) {
                        customerIndex = -1;
                        break;
                    }
                }
                if (customerIndex != -1) {
                        System.out.println("Customer :" + customers[customerIndex].getName());
                        System.out.println("Phone :" + customers[customerIndex].getPhoneNumber());
                        System.out.println("Age : " + customers[customerIndex].getAge());
                }
            }

            //Add a new video object
            else if (option.equals("e") || option.equals("E")) {
                for (int i=0; i<videos.length; i++) {
                    if (videos[i] == null) {
                        System.out.println("Please enter the title of movie:");
                        movieTitle = keyboard.nextLine();
                        System.out.println("Please enter the length of the movie:");
                        movieLength = Double.parseDouble( keyboard.nextLine() );
                        System.out.println("Please enter the medium type of this movie:");
                        mediumType = keyboard.nextLine();
                        if (mediumType.equals("DVD") || mediumType.equals("dvd")) {
                            System.out.println("Please enter director name:");
                            directorName = keyboard.nextLine();
                            videos[i] = new DVD (movieTitle, movieLength,directorName);
                            System.out.println("You've successfully added new DVD video.");
                        }
                        else if (mediumType.equals("VCD") || mediumType.equals("vcd")) {
                            System.out.println("Please enter movie rating:");
                            movieRating = keyboard.nextLine();
                            System.out.println("Please enter movie year:");
                            movieYear = Integer.parseInt(keyboard.nextLine() );
                            videos[i] =  new VCD (movieTitle, movieLength, movieRating, movieYear);
                            System.out.println("You've successfully added new VCD");
                        }
                        else if (mediumType.equals("VHS") || mediumType.equals("vhs")) {
                            videos[i] =  new VHS (movieTitle, movieLength);
                            System.out.println("You've successfully added new VHS.");
                        }
                        break;
                    }
                }
            }

            //Print all information about video
            else if (option.equals("f") || option.equals("f")) {
                for (int i = 0; i <videos.length; i++) {
                    if (videos[i] == null) {
                        break;
                    }
                    videos[i].print();
                }
            }

            //Exit the program
            else if (option.equals("g") || option.equals("G")) {
                System.out.println("Thank you for using this system.");
                quit = true;                                                                //if quit = true then the loop will stop then program stops.
            }

            else {
                System.out.println("You do not enter a valid option, please try again.");
            }

        }while (quit == false);                                                             //if quit = false then the loop will continue.
    }



    public static void buyingMovie() {

        String customerName;
        boolean found = false;
        String movieTitle;
        String mediumType;
        int indexDVD = -1;
        int indexVCD = -1;
        int indexVHS = -1;
        int customerIndex = -1;
        int movieIndex = -1;

        //get customer name
        System.out.println("Please enter name");
        customerName = keyboard.nextLine();
        for (int i=0; i<customers.length; i++) {
            if (customers[i] == null) {
                break;
            }
            if (customers[i].getName().toLowerCase().equals(customerName.toLowerCase())) {
                found = true;
                customerIndex = i;
                break;
            }
            if (i == (customers.length-1)) {
                found = false;
            }
        }
        if (found == false) {
            System.out.println("The customer name could not be found");
            return;
        }


        System.out.println("What movie do you want to buy?");
        movieTitle = keyboard.nextLine();
        for (int i=0; i<videos.length; i++) { //problem
            if (videos[i] == null) {
                break;
            }
            if (videos[i].getTitle().toLowerCase().equals(movieTitle.toLowerCase())) {
                found = true;
                if (videos[i] instanceof DVD) { // the 3 instanceof should be inside the first loop
                    System.out.println("DVD");
                    indexDVD = i; // remembering the index of the DVD
                }
                else if (videos[i] instanceof VCD) {
                    System.out.println("VCD");
                    indexVCD = i; // remembering the index of the VCD
                }
                else if (videos[i] instanceof VHS) {
                    System.out.println("VHS");
                    indexVHS = i; // remembering the index of the VHS
                }
            }
            if (i == (videos.length-1)) {
            }
        }
        if (found == false) {
            System.out.println("The movie name could not be found");
            return;
        }

        /*for (int i=0; i<videos.length; i++) { //amendment
            // throw away this for loop - not needed
        }*/
        System.out.println("Which medium type do you want?");
        mediumType = keyboard.nextLine();
        if (mediumType.equals("DVD") && indexDVD != -1) {
            if (videos[indexDVD].getStatus() == 'O') {
                System.out.println("Sorry, the DVD version of this video has been rented out and is not available to purchase at this time");
                return;
            }
            else
                System.out.println("Customer:" + customers[customerIndex].getName());
                System.out.println("Video Title:" + videos[indexDVD].getTitle());   //
                System.out.println("Video Type: DVD");
                System.out.println("Actual Price:" + videos[indexDVD].getPrice());
                //customers[customerIndex].setAmount();
                System.out.println("Thank you. You've successfully purchased this DVD.");
                videos[indexDVD] = null;
        }
        else if (mediumType.equals("VCD") && indexVCD != -1) {
            if (videos[indexVCD].getStatus() == 'O') {
                System.out.print("Sorry, the VCD version of this video has been rented out and is not available to purchase at this time");
                return;
            }
            else
                System.out.println("Customer:" + customers[customerIndex].getName());
                System.out.println("Video Title:" + videos[indexVCD].getTitle());    //
                System.out.println("Video Type: VCD");
                System.out.println("Actual Price:" + videos[indexVCD].getPrice());
                //customers[customerIndex].setAmount();
                System.out.println("Thank you. You've successfully purchased this VCD.");
                videos[indexVCD] = null;
        }
        else if (mediumType.equals("VHS") && indexVHS != -1) {
                if (videos[indexVHS].getStatus() == 'O') {
                System.out.println("Sorry, the VHS version of this video has been rented out and is not available to purchase at this time");
                return;
            }
            else
                System.out.println("Customer:" + customers[customerIndex].getName());
                System.out.println("Video Title:" + videos[indexVHS].getTitle());   //
                System.out.println("Video Type: VHS");
                System.out.println("Actual Price:" + videos[indexVHS].getPrice());
                //customers[customerIndex].setAmount();
                System.out.println("Thank you. You've successfully purchased this VHS.");
                videos[indexVHS] = null;
        }
        else {
            System.out.println("Sorry, the medium type you requested was not found.");
        }
        Video[] temporaries = new Video[100];
        temporaries = videos;
        int n = 0;
        for (int i=0; i<videos.length; i++){
            if (videos[i] != null) {
                temporaries[n++] = videos[i];
            }
        }
        videos = temporaries;
    }//end buyingMovie method

}//end class