package main;

import java.util.ArrayList;
import java.util.Iterator;
import java.util.Scanner;

import javax.xml.ws.spi.Invoker;

import model.Game;
import model.Inventory;
import model.Item;
import model.Movie;

public class Store {

    public static Scanner in;
    public static Inventory inventory;
    public static int day = 1;

    public static void main(String[] args) {
        String command;
        in = new Scanner(System.in);
        inventory = new Inventory();

        while (true) {
            showMenu();
            command = in.next();

            System.out.println();

            switch (command) {
                case "L":
                    listItemMenu();
                    break;
                case "AG":
                    addGameMenu();
                    break;
                case "AM":
                    addMovieMenu();
                    break;
                case "RG":
                    rentGameMenu();
                    break;
                case "RM" :
                    rentMovieMenu();
                    break;
                case "GG" :
                    returnGameMenu();
                    break;
                case "GM" :
                    returnMovieMenu();
                    break;
                case "BG" :
                    buyGameMenu();
                    break;
                case "E":
                    System.out.println("Program terminated");
                    System.exit(0);
                    break;
                case "T":
                    timePassingMenu();
                    break;
                default:
                    System.out.println("Invalid command.");
                    break;
            }

            System.out.println();
        }
    }

    private static void showMenu(){
        System.out.println("########################################");
        System.out.println("Video Store Menu (Day " + day + ")");
        System.out.println("########################################");
        System.out.println("AG)\tAdd game\tAM)\tAdd movie");
        //System.out.println("AM)\tAdd movie");
        System.out.println("RG)\tRent game\tRM)\tRent movie");
        //System.out.println("RM)\tRent movie");
        System.out.println("GG)\tReturn game\tGM)\tReturn movie");
        //System.out.println("GM)\tReturn movie");
        System.out.println("BG)\tBuy game\tL)\tList all items");
        System.out.println("T)\tTime passing\tE)\tExit");
        System.out.println("----------------------------------------");
        System.out.print("Enter input command : ");
    }

    private static void listItemMenu() {
        // TODO Auto-generated method stub
        System.out.println("----------------------------------------");
        System.out.println("List all items in inventory");
        System.out.println("----------------------------------------");
        System.out.println("Game (Total " + inventory.getTotalGames() + "):");
        System.out.println("----------------------------------------");

        inventory.listGames();

        System.out.println("----------------------------------------");
        System.out.println("Movie (Total " + inventory.getTotalMovies() + "):");
        System.out.println("----------------------------------------");

        inventory.listMovies();
    }

    private static void addGameMenu() {
        // TODO Auto-generated method stub
        System.out.println("----------------------------------------");
        System.out.println("Add game to inventory");
        System.out.println("----------------------------------------");
        int rand = (int)(Math.random() * 9);
        System.out.println("Name  : " + Inventory.gameNames[rand]);
        System.out.println("Rate  : " + Inventory.gameRatings[rand]);
        System.out.println("Price : " + Inventory.gamePrices[rand]);
        inventory.addItem(new Game(Inventory.gameNames[rand],Inventory.gameRatings[rand],Inventory.gamePrices[rand]));
        inventory.sortItems();

    }

    private static void addMovieMenu() {
        // TODO Auto-generated method stub
        System.out.println("----------------------------------------");
        System.out.println("Add movie to inventory");
        System.out.println("----------------------------------------");
        int rand = (int)(Math.random() * 9);
        System.out.println("Name  : " + Inventory.movieNames[rand]);
        System.out.println("Rate  : " + Inventory.movieRatings[rand]);
        System.out.println("Price : " + Inventory.moviePrices[rand]);
        inventory.addItem(new Movie(Inventory.movieNames[rand],Inventory.movieRatings[rand],Inventory.moviePrices[rand]));
        inventory.sortItems();
    }

    private static void rentGameMenu(){
        System.out.println("----------------------------------------");
        System.out.println("Rent game");
        System.out.println("----------------------------------------");

        String gameName;
        String renterName;
        int rentOption;

        // TODO Fill Code
        System.out.println("Enter game name : ");
        gameName = in.next();
        int index = inventory.searchForRentableGame(gameName);
        Game t = null;
        if(index != -1) {
            t = (Game) Inventory.items.get(index);
            System.out.println("Choose the rental options from 1-4 : ");
            System.out.println("1) $3.00 for 1 week");
            System.out.println("2) $5.40 for 2 weeks");
            System.out.println("3) $7.00 for 3 weeks");
            System.out.println("4) $9.00 for 4 weeks");
            System.out.println("Enter your option : ");
            rentOption = in.nextInt();
            System.out.println("Enter your name : ");
            renterName = in.next();
            System.out.println("You rented the game successfully. The game ID is "+t.getId()+".");
            System.out.println("Please inform the game ID when you return it.");
            System.out.println("Please return the game within Day "+(rentOption*7+1)+"."+ " Late fee is "+t.getLateFeePerDay()+ "/days.");
            t.rent(renterName, rentOption);
        }
        else {
            System.out.println("The game is not available to rent. Back to menu.");
        }
    }

    private static void rentMovieMenu(){
        System.out.println("----------------------------------------");
        System.out.println("Rent movie");
        System.out.println("----------------------------------------");

        String movieName;
        String renterName;

        // TODO Fill Code
        System.out.println("Enter movie name : ");
        movieName = in.next();
        int index = inventory.searchForRentableGame(movieName);
        Movie t = (Movie) Inventory.items.get(index);
        if(index != -1) {
            System.out.println("Enter your name : ");
            renterName = in.next();
            System.out.println("You rented the movie successfully. The movie ID is "+t.getId()+".");
            System.out.println("Please inform the movie ID when you return it.");
            t.rent(renterName, 0);
        }
        else {
            System.out.println("The movie is not available to rent. Back to menu.");
        }
    }

    private static void returnGameMenu(){
        System.out.println("----------------------------------------");
        System.out.println("Return Game");
        System.out.println("----------------------------------------");

        int gameID;

        // TODO Fill Code
        System.out.println("Enter game ID : ");
        gameID = in.nextInt();
        Game t = null;
        for(int i=0;i<Inventory.items.size();++i) {
            if(Inventory.items.get(i) instanceof Game && Inventory.items.get(i).getId()==gameID) {
                t = (Game) Inventory.items.get(i);
                break;
            }
        }
        if(t!=null) {
            if(day-t.getGiveBackDate()<=0) {
                System.out.println("The rental fee is $"+t.giveBack()+".");
            }
            else {
                System.out.println("The rental fee is $"+t.giveBack()+". (Late "+(day-t.getGiveBackDate())+" days)");
            }
        }
        else {
            System.out.println("the game is not rented. Back to menu.");
        }
    }

    private static void returnMovieMenu(){
        System.out.println("----------------------------------------");
        System.out.println("Return movie");
        System.out.println("----------------------------------------");

        int movieID;

        // TODO Fill Code
        System.out.println("Enter movie ID : ");
        movieID = in.nextInt();
        Movie t = null;
        for(int i=0;i<Inventory.items.size();++i) {
            if(Inventory.items.get(i) instanceof Game && Inventory.items.get(i).getId()==movieID) {
                t = (Movie) Inventory.items.get(i);
                break;
            }
        }
        if(t!=null) {
            System.out.println("The rental fee is $"+t.giveBack()+".");

        }
        else {
            System.out.println("the movie is not rented. Back to menu.");
        }
    }

    private static void buyGameMenu(){
        System.out.println("----------------------------------------");
        System.out.println("Buy Game");
        System.out.println("----------------------------------------");

        String gameName;
        String buyerName;

        // TODO Fill Code
        System.out.println("Enter game name : ");
        gameName = in.next();
        int index = inventory.searchForRentableGame(gameName);
        Game t = (Game) Inventory.items.get(index);
        if(index != -1) {
            System.out.println("Enter your name : ");
            buyerName = in.next();
            System.out.println("The price is $"+t.getPrice()+".");
            System.out.println("Thank you for buying");
        }
        else {
            System.out.println("The game is not available to buy. Back to menu.");
        }
    }

    private static void timePassingMenu() {
        // TODO Auto-generated method stub
            System.out.println("----------------------------------------");
            System.out.println("Simulate Time Passing");
            System.out.println("----------------------------------------");

            System.out.print("Enter the number of days passing : ");

            try{
                int days = in.nextInt();

                if (days <= 0)
                {
                    System.out.println("The number of days should be more than 0.");
                }
                else
                {
                    Store.day += days;
                    System.out.println("Now is Day " + Store.day + ".");
                }
            }
            catch(Exception e)
            {
                System.out.println("The input should be an integer.");
            }

            in.next(); // For '\n' from pressing enter;
    }

}