#include <iostream>
#include <random>
#include <tuple>
#include <ctime>

using namespace std;

int DealDamage(int, int);
int ActualDamage(int);
int RandomNumber();
int Shop(int&, int&);
int IsPlayerAlive(int&);
void Stage1(int&);

int Fight(int& , int, int, int, string, int&);

int main() {

	bool playerIsAlive;

	int gold = 0;
	int skillPoints = 0;
	int healthPotions = 3;
	int playerHealth = 100;
	int playerDamage = 25;

	int wolfHealth = 100;
	int wolfDamage = 15;

	//Fight(playerHealth, wolfHealth, playerDamage, wolfDamage, "Wolf", healthPotions);
	//Stage1(playerHealth);

	if (Fight(playerHealth, wolfHealth, playerDamage, wolfDamage, "Wolf", healthPotions) == true) {
		gold += 100;
		skillPoints += 1;
		cout << "____________________________________________________________" << endl;
		cout << "Well Done, you gained " << gold << " Gold " << endl;
		cout << "Your HP: " << playerHealth << endl;
		Shop(gold, healthPotions);
		cout << gold  << " " << healthPotions << endl;
	}
	else {
		cout << "Baah NOOB!" << endl;
	}
}

int DealDamage(int hp, int dmg) {// Dealing damage to entities
	hp -= dmg;
	return hp;
}

int ActualDamage(int actualdmg) {//adds damage random's 10%(random is (1, 50))
	int(float(actualdmg += (RandomNumber() * 0.10f)));
	return actualdmg;
}

int RandomNumber() {// random (1, 50)
	default_random_engine generator(time(NULL));
	uniform_int_distribution<int> interval(1, 50);
	return interval(generator);
}

int IsPlayerAlive(int& playerHealth){
	if (playerHealth > 0) {
		return true;
	}
	else {
		return false;
	}
}

void Stage1(int& playerHealth) {
	if (IsPlayerAlive(playerHealth)) {
		cout << "You are alive" << endl;
	}
	else {
		cout << "You Died" << endl;
	}
}

int Shop(int& gold,int& healthPotions) {
	int input = 0;
	cout << "____________________________________________________________" << endl;
	cout << "Gold: " << gold << endl;
	cout << "Type 1 to buy Shield, cost: 100 Gold " << endl;
	cout << "Type 2 to buy Health Potion, cost: 35 Gold" << endl;
	cout << "Type 3 to upgrade sword (+10 Damage), cost: 200 Gold" << endl;
	cout << "Type B to leave the shop" << endl;
	cin >> input;
	if (input == 1 && gold >= 100) {
		gold -= 100;
		cout << "You now have a Shield \nGold Remaining: " << gold << endl;
	}
	else if (input == 2 && gold >= 35) {
		gold -= 35;
		healthPotions++;
		cout << "You purchased health potion \nGold Remaining: " << gold << endl;
	}
	else if (input == 3 && gold >= 200) {
		gold -= 200;
		cout << "You upgraded Sword \nGold Remaining: " << gold << endl;
	}
	else if (input == 'b' || input == 'B') {
		return 0;
	}
	return 0;
}

int Fight(int& playehp, int hp2, int dmg1, int dmg2, string enemyName, int& healthPotion) {// 1. Player 2. Enemy

	int turn = 1;//this decides wether it's players turn or not
	int fightStatus; // if fight is won or lost
	int maxEnemyHealth = hp2; // gives us max hp of an enemy
	char playerMove;

	dmg2 = ActualDamage(dmg2);

	cout << "Your HP: " << playehp << endl;
	cout << enemyName << " HP: " << hp2 << endl;

	while (playehp > 0 && hp2 > 0) { //fight
		if (turn == 1) {// player move
			cout << "\nType A to deal damage or type H to use potion" << endl;
			cin >> playerMove;
			if (playerMove == 'a' || playerMove == 'A') {
				turn--;

				hp2 = DealDamage(hp2, dmg1);
				cout << "Damage dealt: " << dmg1 << endl;
				cout << enemyName << " HP: " << hp2 << endl;
			}
			else if (playerMove == 'h' && healthPotion > 0 || playerMove == 'H' && healthPotion > 0) {
				turn--;
				healthPotion--;
				playehp += RandomNumber();// heals player (1, 50)
				cout << "\nYou drank potion and gained: " << RandomNumber() << " HP " << endl;
				cout << "Potions remaining: " << healthPotion << endl;
				cout << "Your HP: " << playehp << endl;
			}
		}
		else {// enemy move
			turn++;
			playehp -= dmg2;
			hp2 += maxEnemyHealth * 0.06;//heals enemy by 6%
			cout << "\nDamage recieved: " << dmg2 << endl;
			cout << "Enemy regained " << (maxEnemyHealth * 0.06) << " HP " << endl;
			cout << enemyName << " HP: " << hp2 << endl;
			cout << "Your HP: " << playehp << endl;
			cout << "____________________________________________________________" << endl; // end of the turn
		}
	}
	/*if (playehp > 0 && hp2 < 0) {
		status = true;
		cout << "Player Wins" << endl;
	}
	else if (playehp < 0 && hp2 < 0) {
		status = false;
		cout << "You both died" << endl;
	}
	else {
		status = false;
		cout << "You died!" << endl;
	}

	return status;//returns if player is alive*/
	return 0;
}