import java.util.*;
public class driver {
    static Scanner scan = new Scanner(System.in);
    static Random rand = new Random();
    static dice die = new dice();
    public static String playerName;
    public static int playerhp;
    public static int maxhp;
    public static int maxmana;
    public static int mana;
    public static int playermeleedmg;
    public static int xp;
    public static int enemyhp;
    public static int enemymeleedmg;
    public static int Level;
    public static String charclass;
    public static boolean fighting = false; //globals for player stats & enemy stats

    private static void printStats() {
        if(charclass.equals("mage")){
            System.out.println(playerName + "nhp: " + playerhp + "nmana: " + mana + "ndamage: " + playermeleedmg + "nxp: " + xp + "n");
        }else{
            System.out.println(playerName + "nhp: " + playerhp + "ndamage: " + playermeleedmg + "nxp: " + xp + "n");
        }
        }
    private static void printEnemyStats() {
        System.out.println("Enemy "+"nhp: " + enemyhp + "ndmg: " + enemymeleedmg + "n");
    }

    private static void buildWarrior() {
        charclass = "warrior";
        maxhp = 20;
        playerhp = 20;
        playermeleedmg = 4;
        xp = 0;
        Level = 1;
    }
    private static void buildArcher() {
        charclass = "archer";
        maxhp = 14;
        playerhp = 14;
        playermeleedmg = 6;
        xp = 0;
        Level = 1;
    }
    private static void buildMage() {
        charclass = "mage";
        maxhp = 10;
        playerhp = 10;
        mana = 20;
        maxmana = 20;
        playermeleedmg = 2;
        xp = 0;
        Level = 1; // initializes globals according to class
    }
    private static void buildEnemy() {
        switch(Level){
        case 1:
            enemyhp = 9;
            enemymeleedmg = 1;
            break;
        case 2:
            enemyhp = 19;
            enemymeleedmg = 4;
            break;
        case 3:
            enemyhp = 24;
            enemymeleedmg = 6;
            break;
        case 4:
            enemyhp = 32;
            enemymeleedmg = 7;
            break;
        case 5:
            enemyhp = 40;
            enemymeleedmg = 9;
            break; //initializes enemy stats based on player level
        }
    }
    private static void fight() {
        String action;
        String spellAction = null;
        System.out.println("An enemy approaches");
        buildEnemy();
        fighting = true;
        while(fighting = true){
            System.out.println("Press 'a' to attacknPress 'i' for info");
            if(charclass.equals("mage")){
                System.out.print("Press 's' for spellsn");
            }
            action = scan.nextLine();
            if(action.charAt(0) == 'a'){
                fighting = attack();
                if(fighting == false){
                    switch(Level){
                    case 1:
                        xp = xp + 4;
                        break;
                    case 2:
                        xp = xp + 6;
                        break;
                    case 3:
                        xp = xp + 9;
                        break;
                    case 4:
                        xp = xp + 12;
                        break;
                    }
                    System.out.println("You earned :" + xp + " xp");
                    checkLevelUp();
                    return;
                }
                enemyattack();
            }

            if(action.charAt(0) == 'i'){
                printStats();
                printEnemyStats();

            }
            if(action.charAt(0) == 's'){
            System.out.println("Press 'f' for fireballnPress 'h' to healn");
            spellAction = scan.nextLine();
            if(spellAction.charAt(0) == 'f'){
            if(die.roll10() > 2){
                mana = mana - 10;
                if(mana <0){
                    System.out.println("You don't have enough mana...");
                    mana = mana + 10;
                }else{
                int k = die.roll10(); //randomly hurts 1-10
                System.out.println("You hit for " + k + " damage!");
                enemyhp = enemyhp - k;
                if(enemyhp <= 0){
                    System.out.println("You Won!");
                    switch(Level){
                    case 1:
                        xp = xp + 4;
                        break;
                    case 2:
                        xp = xp + 6;
                        break;
                    case 3:
                        xp = xp + 9;
                        break;
                    case 4:
                        xp = xp + 12;
                        break;
                    }
                    System.out.println("You earned :" + xp + " xp");
                    checkLevelUp();
                    return;
                }
                enemyattack();
                }
            }
            else{
                System.out.println("You miss!");
                enemyattack();
            }
            }else
            if(spellAction.charAt(0) == 'h'){
                mana = mana - 8;
                if(mana <0){
                    System.out.println("You don't have enough mana...");
                    mana = mana + 8;
                }else{
                    int x = die.roll10(); //randomly heals 1-8
                System.out.println("You heal your wounds...");
                System.out.println("+ " + x + " hp");
                playerhp = playerhp + x;
                if(playerhp>maxhp){
                    playerhp = maxhp;
                }
                enemyattack();
            }
            }

    }
    }
    }

    private static void checkLevelUp() {
        if(xp >= 100 && Level == 4){
            System.out.println("Level 5!");
            Level = Level + 1;
            maxhp = maxhp + 25;
            playerhp = maxhp;
            if(charclass.equals("mage")){
                maxmana = maxmana + 7;
                mana = maxmana;
            }
            playermeleedmg = playermeleedmg + 3;
            printStats();
        }else
        if(xp >= 50 && Level == 3){
            System.out.println("Level 4!");
            Level = Level + 1;
            maxhp = maxhp + 20;
            playerhp = maxhp;
            if(charclass.equals("mage")){
                maxmana = maxmana + 7;
                mana = maxmana;
            }
            playermeleedmg = playermeleedmg + 2;
            printStats();
        }else
        if(xp >= 25 && Level == 2){
            System.out.println("Level 3!");
            Level = Level + 1;
            maxhp = maxhp + 10;
            playerhp = maxhp;
            if(charclass.equals("mage")){
                maxmana = maxmana + 7;
                mana = maxmana;
            }
            playermeleedmg = playermeleedmg + 2;
            printStats();
        }else
        if(xp >= 10 && Level == 1){
            System.out.println("Level 2!");
            Level = Level + 1;
            maxhp = maxhp + 5;
            playerhp = maxhp;
            if(charclass.equals("mage")){
                maxmana = maxmana + 7;
                mana = maxmana;
            }
            playermeleedmg = playermeleedmg + 1;
            printStats();
        }//increments player level and adds to stats with xp

    }
    private static void enemyattack() {
        if(die.roll6() > 2){
            System.out.println("Enemy hits!");
            playerhp = playerhp - enemymeleedmg;
            if(playerhp <= 0){
                gameover();
                System.exit(0);//game over if player health < 0
            }
        }else{
            System.out.println("Enemy Misses!");
        }
    }
    private static boolean attack() {
        if(die.roll6() > 2){
            System.out.println("You hit!");
            enemyhp = enemyhp - playermeleedmg;
            if(enemyhp <= 0){
                System.out.println("You Won!"); //prints if enemy health < 0
                return false;
            }
        }else{
            System.out.println("You miss!");
        }
        return true;
    }

    private static void gameover() {
        System.out.println(playerName + " Died!") ;
        System.out.println("GAME OVER!");
        System.exit(0); //terminates if lost
        return;
    }
    public static void main(String[] args) {
        String charclass;
        int num = 2;
        while(num > 1){
        System.out.println("Enter your Name: ");
        playerName = scan.nextLine();
        System.out.println("Choose your class: ");
        System.out.println("'w' for warrior");
        System.out.println("'a' for archer");
        System.out.println("'m' for mage");
        charclass = scan.nextLine();
        while(charclass.charAt(0) != 'w' && charclass.charAt(0) != 'a' && charclass.charAt(0) != 'm'){
            System.out.println("'w' for warrior");
            System.out.println("'a' for archer");
            System.out.println("'m' for mage");
            charclass = scan.nextLine();
        }
        if(charclass.charAt(0) == 'w'){
            buildWarrior();
        }
        if(charclass.charAt(0) == 'a'){
            buildArcher();
        }
        if(charclass.charAt(0) == 'm'){
            buildMage();
        }
        printStats();
        while(Level == 1){
        fight();
        }
        System.out.println("This area is clear... time to move onn");
        while(Level == 2){
            fight();
        }
        System.out.println("This area is clear... time to move onn");
        while(Level == 3){
            fight();
        }
        System.out.println("This area is clear... time to move onn");
        while(Level == 4){
            fight();
        }
        System.out.println("This area is clear... time to move onn");
        while(Level == 5){
            fight();
        }//keeps in area until levelUp
    }

    }
}



import java.util.*;
public class dice {

public int roll6(){
    Random rand = new Random();
    int n = rand.nextInt(7);
    while(n == 0){
        n = rand.nextInt(7);
    }//1-6
    return n;
}
public int roll10(){
    Random rand = new Random();
    int n = rand.nextInt(11);
    while(n == 0){
        n = rand.nextInt(11);
    }
    return n;
}//1-10
public int roll20(){
    Random rand = new Random();
    int n = rand.nextInt(21);
    while(n == 0){
        n = rand.nextInt(21);
    }//1-20
    return n;
}

}

public class Dice {
    private final Random random = new Random();

    public int roll(int max) {
        return 1 + random.nextInt(max);
    }

    public int roll6() {
        return roll(6);
    }

    // and so on ...
}

if(charclass.charAt(0) == 'w'){
    buildWarrior();
}
if(charclass.charAt(0) == 'a'){
    buildArcher();
}
if(charclass.charAt(0) == 'm'){
    buildMage();
}

switch(Level){
    case 1:
        enemyhp = 9;
        enemymeleedmg = 1;
        break;
    case 2:
        enemyhp = 19;
        enemymeleedmg = 4;
        break;
    case 3:
        enemyhp = 24;
        enemymeleedmg = 6;
        break;
    case 4:
        enemyhp = 32;
        enemymeleedmg = 7;
        break;
    case 5:
        enemyhp = 40;
        enemymeleedmg = 9;
        break; //initializes enemy stats based on player level
    }

int[] enemyHpArray = {1, 9, 19, 24, 32, 40};
int[] enemyMeleedmgArray = {1, 1, 4, 6, 7, 9};
enemyhp = enemyHpArray[Level];
enemymeleedmg = enemyMeleedmgArray[Level];

enum CharacterClass {
    GENERIC_RANDOM_WARRIOR(true, true), SINGER(false, false), BIG_SLEEPER(false, true);
    public final boolean canWieldBigAxes;
    public final boolean loveToSleep;

    private CharacterClass(final boolean canWieldBigAxes, final boolean loveToSleep) {
        this.canWieldBigAxes = canWieldBigAxes;
        this.loveToSleep = loveToSleep;
    }
}

if (charClass.canWieldBigAxes) {
    // things
}
// instead of
if (charClass.charAt(0) = 'w')

interface BattleUnit {
    int getLevel();
    void setLevel(final int level);
    int increaseLevel();
    boolean isDead();
    int getHP();
    int getMaxHP();
    int setHP(final int newHP);
    void damage(final int valueToSubstract);
    boolean attack(final BattleUnit target);
    int getMinMeleeDamage();
    int getMaxMeleeDamage();
}

class Hero implements BattleUnit {
    private String name;
    private CharacterClass charClass;
    // some fields

    public boolean isDead() {
        return getHP() <= 0;
    }

    // blablabla moar code
    public boolean attack(final BattleUnit target) {
        if (die.roll6() > 2) {
            System.out.println("You hit!");

            target.damage(produceDamage());

            if (target.isDead()) {
                System.out.println("You Won!"); // prints if enemy health < 0
                return false;
            }
        } else {
            System.out.println("You miss!");
        }
        return true;
    }

}
        }else
        if(..){
            ..
            if(..){
                ..
            }else{
                ..
            ..
            if(..){
                ..
            }
            ..
        }
        }
}

public static final int INITIAL_ARCHER_HP = 14;

private static void buildArcher() {
    ..
    playerhp = INITIAL_ARCHER_HP;
    ..
}

System.out.println("'w' for warrior");
System.out.println("'a' for archer");
System.out.println("'m' for mage");
charclass = scan.nextLine();
while(charclass.charAt(0) != 'w' && charclass.charAt(0) != 'a' && charclass.charAt(0) != 'm'){
    System.out.println("'w' for warrior");
    System.out.println("'a' for archer");
    System.out.println("'m' for mage");
    charclass = scan.nextLine();
}

char charclass; // changed to char rather than string

// ...

do {
    System.out.println("'w' for warrior");
    System.out.println("'a' for archer");
    System.out.println("'m' for mage");
    charclass = scan.nextLine().charAt(0);

} while (charclass != 'w' && charclass != 'a' && charclass != 'm')

while(Level == 1){
    fight();
}
System.out.println("This area is clear... time to move onn");
while(Level == 2){
    fight();
}
System.out.println("This area is clear... time to move onn");
while(Level == 3){
    fight();
}
System.out.println("This area is clear... time to move onn");
while(Level == 4){
    fight();
}
System.out.println("This area is clear... time to move onn");
while(Level == 5){
    fight();
}

for (int currentLevel = 1; currentLevel <= 5; currentLevel++) {
    while(Level == currentLevel){
        fight();
    }
    System.out.println("This area is clear... time to move onn");
}

public MagePlayerClass extends AbstractPlayerClass {
    @Override
    boolean canCreate(final String arg) {
        return "m".equalsIgnoreCase(arg);
    }
}