import java.util.ArrayList;
import java.util.InputMismatchException;
import java.util.List;
import java.util.Scanner;

public class Game {
	private final int stepsInGame;
	private int currentStep;

	private Planet p1;
	private Planet p2;
	private Planet p3;

	public Game(int stepsInGame) {
		this.stepsInGame = stepsInGame;
	}

	public int getStepsInGame() {
		return stepsInGame;
	}

	public int getCurrentStep() {
		return currentStep;
	}

	public void pregameSetups(Trader trader) {

		p1 = new Planet("Galerius");
		p2 = new Planet("Harmonia");
		p3 = new Planet("Niven");

		trader.addDestination(p1);
		trader.addDestination(p2);
		trader.addDestination(p3);

		p1.addCommodity(new Commodity("coffee beans", 500, 3));
		p1.addCommodity(new Commodity("platinum ore", 200, 1));
		p1.addCommodity(new Commodity("sugarcane", 120, 10));

		p2.addCommodity(new Commodity("coffee beans", 360, 3));
		p2.addCommodity(new Commodity("platinum ore", 200, 1));
		p2.addCommodity(new Commodity("sugarcane", 170, 10));

		p3.addCommodity(new Commodity("coffee beans", 410, 3));
		p3.addCommodity(new Commodity("platinum ore", 500, 1));
		p3.addCommodity(new Commodity("sugarcane", 100, 10));

		Commodity c1 = new Commodity("coffee beans", -1, 3);
		Commodity c2 = new Commodity("platinum ore", -1, 1);
		Commodity c3 = new Commodity("sugarcane", -1, 10);
		List<Commodity> commodities = new ArrayList<Commodity>();
		commodities.add(c1);
		commodities.add(c2);
		commodities.add(c3);

		trader.setCommodities(commodities);


	}

	public void start(Trader trader) {
		currentStep++;

		Scanner scanner = new Scanner(System.in);
		System.out.println("Which planet would you like to travel to?");
		System.out.println("\nYou can travel to:");

		for (Planet p : trader.getDestinations()) {
			if (trader.getLocation() == null) {
				System.out.print(p + "     ");
			}
			else if (!p.getName().equals(trader.getLocation().getName())) {
				System.out.print(p + "     ");
			}
		}
		System.out.println();

		while (true) {
			String input = scanner.nextLine();
			if (trader.getLocation() != null && input.equals(trader.getLocation().getName())) {
				System.out.println("You are already at " + trader.getLocation());
			} else if (input.equals(p1.getName())) {
				System.out.println("Traveling to " + p1 + "...");
				trader.setLocation(p1);
				break;
			} else if (input.equals(p2.getName())) {
				System.out.println("Traveling to " + p2 + "...");
				trader.setLocation(p2);
				break;
			} else if (input.equals(p3.getName())) {
				System.out.println("Traveling to " + p3 + "...");
				trader.setLocation(p3);
				break;
			} else {
				System.out.println("Not a valid planet!");
			}
		}

		System.out.println("...\n...\n...\n...\nYou have arrived at "
				+ trader.getLocation());

		printStatistics(trader);

		while (true) {
			System.out.print("\nWould you like to buy or sell?");
			System.out.println("   (buy) (sell) or (done)");
			String choice = scanner.nextLine();

			if (choice.equals("buy")) {
				buy(trader, scanner);
			} else if (choice.equals("sell")) {
				sell(trader, scanner);
			} else if (choice.equals("done")) {
				break;
			} else {
				System.out.println("Not a valid entry");
			}
		}
		p1.randomizePrices();
		p2.randomizePrices();
		p3.randomizePrices();

		scanner.close();
	}

	public void printStatistics(Trader t) {
		System.out.println("\nCurrent stats:");
		printTrader(t);
		printItems(t);
		System.out.println("\n\nPlanet Items:");
		printPlanetItems(t);
		System.out.println();
	}

	public void printPlanetItems(Trader trader) {
		for (Commodity c : trader.getLocation().getCommodities()) {
			System.out.printf("Item: %-20sInventory: %-10dPrice: $%.2f\n",
					c, c.getInventory(), c.getPrice());
		}
	}

	public void printTrader(Trader t) {
		System.out.printf("Name: %-15sTotal money: $%-15.2fPlanet: %s\n", t, t.getTotalMoney(), t.getLocation());
	}


	public void printItems(Trader trader) {
		for (Commodity c : trader.getCommodities()) {
			System.out.printf("Item: %-20sInventory: %d\n", c,
					c.getInventory());
		}
	}

	public void buy(Trader trader, Scanner scanner) {
		boolean bought = false;
		while (true) {
			if (!bought) {
				System.out.println("What would you like to buy? (Press c to cancel)");
			} else {
				System.out.println("Would you like to buy anything else? (Press c to cancel)");
			}
			String item = scanner.nextLine();

			if (item.equals("c")) {
				return;
			} else
				loop: {
					for (Commodity c : trader.getLocation().getCommodities()) {
						if (item.equals(c.getName())) {
							while (true) {
								try {
									System.out
											.println("How many " + item + "? (Enter -1 to cancel)");
									int quantity = scanner.nextInt();
									scanner.nextLine();
									if (quantity == -1) {
										break loop;
									} else if (quantity * c.getPrice() <= trader
											.getTotalMoney()
											&& quantity > 0
											&& quantity <= c.getInventory()) {
										trader.buy(c, quantity);
										System.out.println("Bought " + quantity
												+ " " + item);
										printStatistics(trader);
										bought = true;
										break loop;
									} else if (quantity * c.getPrice() > trader.getTotalMoney()) {
										System.out.println("Not enough money.");
									} else {
									System.out.println("Not valid.");
									}
								} catch (InputMismatchException e) {
									System.out
											.println("Please enter a number.");
									scanner.nextLine();
								}
							}
						}
					}
					System.out.println("Not a valid commodity.");
				}
		}
	}

	public void sell(Trader trader, Scanner scanner) {
		boolean sold = false;
		while (true) {
			if (!sold) {
				System.out.println("What would you like to sell? (Press c to cancel)");
			} else {
				System.out.println("Would you like to sell anything else? (Press c to cancel)");
			}
			String item = scanner.nextLine();

			if (item.equals("c")) {
				return;
			} else
				loop: {
					for (Commodity c : trader.getCommodities()) {
						if (item.equals(c.getName())) {
							double price = 0;
							for (Commodity com : trader.getLocation()
									.getCommodities()) {
								if (com.getName().equals(c.getName())) {
									price = com.getPrice();
								}
							}
							while (true) {
								try {
									System.out
											.println("How many " + item + "? (Enter -1 to cancel)");
									int quantity = scanner.nextInt();
									scanner.nextLine();
									if (quantity == -1) {
										break loop;
									} else if (quantity > 0
											&& quantity <= c.getInventory()) {
										trader.sell(c, quantity, price);
										System.out.println("Sold " + quantity
												+ " " + item);
										printStatistics(trader);
										sold = true;
										break loop;
									} else {
										System.out.println("Not valid.");
									}
								} catch (InputMismatchException e) {
									System.out
											.println("Please enter a number.");
									scanner.nextLine();
								}
							}

						}
					}
					System.out.println("Not a valid commodity.");
				}
		}
	}

	public boolean gameOver() {
		if (currentStep >= stepsInGame) return true;
		return false;
	}
}