import java.util.Scanner;
import java.util.Random;


public class castlevania {

    public static void main(String[] args) {

        /*      Variable Declaration
         * shopChoice is assigned to shopMenu to display the game menu
         * gold is assigned to the newly instantiated Random object
         * goldAmount is assigned to a set range field of 1 - 500,000 gold
         */

        int shopChoice = shopMenu();
        Random gold = new Random();
        int goldAmount = gold.nextInt(500000) + 1;

        while(shopChoice != 5) {
            switch(shopChoice) {
            case 1:
                purchaseMedicine(goldAmount);
                break;
            case 2:
                break;
            case 3:
                break;
            case 4:
                break;
            default:
                break;
            }

            shopChoice = shopMenu();
        }
    }

    public static int shopMenu() {

        int displayOption = 0;

        System.out.println("Master Librarian\n  Oh it's you, \n  Master Alucard. \n  What do you need?\n");

        System.out.println("1. Buy item");
        System.out.println("2. Sell gem");
        System.out.println("3. Tactics");
        System.out.println("4. Enemy list");
        System.out.println("5. Exit");

        Scanner myInput = new Scanner(System.in);
        displayOption = myInput.nextInt();

        return displayOption;
    }

    public static int purchaseMedicine(int goldAmount) {

        int[] medicinePrices = {500, 800, 2000, 8000, 4000, 200, 200};
        String[] medicineNames = {"Jewel of Open,Potion, High Potion, Elixir, Manna Prism, Antivenom, Uncurse, Hammer, Library Card"};
        int index;

        for(index = 0; index < medicinePrices.length; index++) {

            System.out.printf("%s%d\n", medicineNames[index] + medicinePrices[index]);
        }

        System.out.printf("\tGold %d\n\n", goldAmount);
        return index; // Returns the instances of medicineList
    }

    public static int purchaseProjectiles(int goldAmount) {

        int[] projectileList = {300, 400, 500, 1000, 800, 2400, 5000, 8000, 15000};
        int i;

        for(i = 0; i < projectileList.length; i++) {

            System.out.printf("Magic Missile %d\n", projectileList[0]);
            System.out.printf("Bwaka Knife %d\n", projectileList[1]);
            System.out.printf("Boomerang %d\n", projectileList[2]);
            System.out.printf("Fire Boomerang %d\n", projectileList[3]);
            System.out.printf("Javelin %d\n", projectileList[4]);
            System.out.printf("Shuriken %d\n", projectileList[5]);
            System.out.printf("Cross Shuriken %d\n", projectileList[6]);
            System.out.printf("Buffalo Star %d\n", projectileList[7]);
            System.out.printf("Flame Star %d\n\n", projectileList[8]);

        }

        System.out.printf("\tGold %d\n\n", goldAmount);
        return i; // Returns the instances of projectileList
    }

    public static int purchaseSwords(int goldAmount) {

        int[] swordsList = {4000, 10000, 10000, 10000, 12000};
        int i;

        for(i = 0; i < swordsList.length; i++) {

            System.out.printf("Damascus Sword %d\n", swordsList[0]);
            System.out.printf("Firebrand %d\n", swordsList[1]);
            System.out.printf("Icebrand %d\n", swordsList[2]);
            System.out.printf("Thunderbran %d\n", swordsList[3]);

        }

        System.out.printf("\tGold %d\n\n", goldAmount);
        return i; // Returns the instances of swordsList
    }

    public static int purchaseShields(int goldAmount) {

        int[] shieldsList = {400, 3980};
        int i;

        for(i = 0; i < shieldsList.length; i++) {

            System.out.printf("Leather Shield %d\n", shieldsList[0]);
            System.out.printf("Iron Shield %d\n", shieldsList[1]);

        }

        System.out.printf("\tGold %d\n\n", goldAmount);
        return i;
    }

    public static int purchaseHeadGear(int goldAmount) {

        int[] headGearList = {400, 1000, 4000, 12000};
        int i;

        for(i = 0; i < headGearList.length; i++) {

            System.out.printf("Velvet Hat %d\n", headGearList[0]);
            System.out.printf("Leather Hat %d\n", headGearList[0]);
            System.out.printf("Circlet %d\n", headGearList[0]);
            System.out.printf("Silver Crown %d\n", headGearList[0]);

        }

        System.out.printf("\tGold %d\n\n", goldAmount);
        return i;
    }

    public static int purchaseBodyGear(int goldAmount) {

        int[] bodyGearList = {1500, 4000, 12000};
        int i;

        for(i = 0; i < bodyGearList.length; i++) {

            System.out.printf("Iron Cuirass %d\n", bodyGearList[0]);
            System.out.printf("Steel Cuirass %d\n", bodyGearList[1]);
            System.out.printf("Diamond Plate %d\n", bodyGearList[2]);

        }

        System.out.printf("\tGold %d\n\n", goldAmount);
        return i;
    }

    public static int purchaseCloaks(int goldAmount) {

        int[] cloaksList = {2000, 3000, 30000};
        int i;

        for(i = 0; i < cloaksList.length; i++) {

            System.out.printf("Reverse Cloak %d\n", cloaksList[0]);
            System.out.printf("Elven Cloak %d\n", cloaksList[1]);
            System.out.printf("Joseph's Cloak %d\n", cloaksList[2]);
        }

        System.out.printf("\tGold %d\n\n", goldAmount);
        return i;
    }

    public static int purchaseAccessories(int goldAmount) {

        int[] accessoryList = {3000, 4000, 8000, 500000};
        int i;

        for(i = 0; i < accessoryList.length; i++) {

            System.out.printf("Medal %d\n", accessoryList[0]);
            System.out.printf("Ring of Pales %d\n", accessoryList[1]);
            System.out.printf("Gauntlet %d\n", accessoryList[2]);
            System.out.printf("Duplicator %d\n", accessoryList[3]);

        }

        System.out.printf("\tGold %d\n\n", goldAmount);
        return i;
    }

    public static int purchaseScrolls(int goldAmount) {

        int[] scrollsList = new int[5];
        int i;

        for(i = 0; i < scrollsList.length; i++) {

            System.out.printf("Summon Spirit %d\n", scrollsList[0]);
            System.out.printf("Dark metamorphosis %d\n", scrollsList[1]);
            System.out.printf("Hellfire %d\n", scrollsList[2]);
            System.out.printf("Tetra Spirit %d\n", scrollsList[3]);
            System.out.printf("Soul Steal %d\n", scrollsList[4]);
        }

        System.out.printf("\tGold %d\n\n", goldAmount);
        return i;
    }
}