package h02;

import java.util.ArrayList;
import java.util.HashMap;

/**
 * @author kolmas
 *
 */
public class Lottery {

    /**
     * Holds info about lottery activity.
     *
     */
    private boolean active = true;

    /**
     * Hold all the tickets sold.
     *
     */
    private ArrayList<LotteryTicket> tickets = new ArrayList<LotteryTicket>();
    /**
     * Holds all the tickets that have actually won.
     *
     */
    @SuppressWarnings("unchecked")
    private HashMap winningTickets = new HashMap();

    /**
     * Name of the lottery.
     */
    private String lotteryName;
    private int ticketPrice;
    private int jackPotInc;
    private int winnersCash;

    /**
     * Hold the total sum that each winner gets.
     */
    private double totalWin;
    /**
     * Holds the jackpot value. Increments it according the 'jackPotInc'
     * variable when a new ticket is being bough.
     */
    private int jackpot;

    /**
     * Winning number 1.
     */
    private int nr1;
    /**
     * Winning number 2.
     */
    private int nr2;

    /**
     * Constructor for setting all the lottery data.
     *
     * @param name
     *            - Lottery name.
     * @param ticketPrice
     *            - Lotteries ticket price.
     * @param toJackPot
     *            - Cash that goes into the jackpot pile from each ticket.
     * @param cashPayed
     *            - Ammount that the winning ticket gets BEFORE adding cash from
     *            jackpot. Sure win ammount.
     */
    public Lottery(String name, int ticketPrice, int toJackPot, int cashPayed) {
        this.lotteryName = name;
        this.ticketPrice = ticketPrice;
        this.jackPotInc = toJackPot;
        this.winnersCash = cashPayed;
    }

    /**
     * Number of tickets sold.
     *
     * @return The number of tickets sold.
     */
    public int getNumberOfTickets() {
        return this.tickets.size();
    }

    /**
     * Current jackpot.
     *
     * @return The current jackpot.
     */
    public int getJackpot() {
        return this.jackpot;
    }

    /**
     * Player buys a ticket.
     *
     * @param n1
     *            - players ticket nr1.
     * @param n2
     *            - players ticket nr2.
     */
    public void gamble(int n1, int n2) {
        if (this.active) {
            tickets.add(new LotteryTicket(n1, n2, tickets.size() + 1));
            this.jackpot += this.jackPotInc;
        }
    }

    /**
     * Calculates profit. That the lottery firm actually made off this lottery.
     *
     * @return
     */
    public void calculateProfit() {
        double sum = (this.tickets.size() * this.ticketPrice)
                - (winningTickets.size() * this.totalWin);
        System.out.println("Teenitud tulu: " + sum + " eurot");
    }

    /**
     * Checks if the ticket has won or not. Checks if there is a key in hashmap
     * that equals to given index.
     *
     * @param index
     *            - tickets number
     */
    public void checkTicket(long index) {
        if (!this.active) {
            LotteryTicket tic = (LotteryTicket) this.winningTickets.get(index);
            if (tic != null && tic.isValid()) {
                System.out.println("Palju õnne! Teie pilet numbriga " + index
                        + " on võitnud! Võitsite kokku " + this.totalWin
                        + " eurot");
                tic.toggleValid();
            } else {
                System.out.println("Teie pilet ei võitnud kahjuks.");
            }
        } else {
            System.out.println("Loosimine pole veel lõppenud.");
        }

    }

    /**
     * Ends the lottery!
     */
    @SuppressWarnings("unchecked")
    public void raffleJackpot() {
        if (this.active) {
            this.active = !this.active;
            this.nr1 = randNr();
            this.nr2 = randNr();

            // Checks what tickets have won the lottery. Adds winning tickets to
            // hashmap.
            for (int i = 0; i < tickets.size(); i++) {
                if (tickets.get(i).didIwin(this.nr1, this.nr2)) {
                    this.winningTickets.put(tickets.get(i).getTicketNr(),
                            tickets.get(i));
                }
            }
            // Calculates how much was the total ammount won by players.
            if (this.winningTickets.size() > 0) {
                this.totalWin = Math.round(((double) this.winnersCash / this.winningTickets
                        .size())
                        + this.tickets.size());
            }
        } else {
            System.out.println("Loosimine on juba läbi. Siin on tulemused: ");
        }
        System.out.println("'" + this.lotteryName
                + "' loosis võidunumbrid:\n\tVõidunumbriteks olid " + this.nr1
                + " ja " + this.nr2 + ".\n\tJagamisele läks võitjate vahel "
                + getJackpot() + " eurot.\n\tVõiduga pileteid: "
                + this.winningTickets.size() + "\n\tKokku osteti pileteid "
                + this.tickets.size());
    }

    /**
     * Generates random number between 1 and 10.
     *
     * @return random number.
     */
    private int randNr() {
        return (int) Math.round(Math.random() * 9 + 1);
    }
}