#include <iostream>
#include <stdio.h>
#include <string>
#include <vector>

enum ePLDFlags {
	HP = 1,
	EP = 2,
	XP = 4,
};

inline ePLDFlags operator|(ePLDFlags a, ePLDFlags b) {
	return static_cast<ePLDFlags>(static_cast<int>(a) | static_cast<int>(b));
}

enum eSpecOut {
	REG,
	TRS,
	EXT,
};

struct Outcome {
	int iPlayerLevelDelta;
	int iPlayerHealthDelta;
	int iPlayerEnduranceDelta;
	int iPlayerXperienceDelta;
	int eLevelFlags; // PlayerLevelDependent
	eSpecOut eSpecial;
};

struct Choices {
	std::vector<std::string> vsNames;
	std::vector<std::string> vsDescriptions;
	std::vector<Outcome> vOutcomes;
};

struct Room {
	std::string sName;
	std::string sDescription;
	Choices choices;
};

struct Player {
	int iHealth;
	int iEndurance;
	int iXperience;
	int iKeys;
	int iLevel;
	int iArmor;
	int iWeapon;
};
std::ostream &operator<<(std::ostream &out, Player player) {
	out << "[HP: " << player.iHealth
	    << "] [EP: " << player.iEndurance
	    << "] [XP: " << player.iXperience
	    << "] [WP: " << player.iWeapon
	    << "] [AP: " << player.iArmor
	    << "] [Keys: " << player.iKeys
	    << "] [Level: " << player.iLevel << "]";
	return out;
}

int main() {
	using namespace std;
	vector<Room> vRooms = {
	        {"Empty Room",
	         "You enter an empty room with nothing going on.",
	         {{"Rest", "Scavenge for food", "Move on"},
	          {"You found a comfy place to take a nap.", "After some looking around you found a pack of food the previous adventurer left here.", "Your curiosity couldn't stop you, so you moved on immdediately"},
	          {{0, 1, 3, 0, 0, REG}, {0, 3, -1, 0, 0, REG}, {0, 0, 0, 0, 0, REG}}}},
	        {"Trap Room",
	         "You stop yourself right before you trigger the trap.",
	         {{"Trigger the trap", "Disarm the trap"},
	          {"YEOWCH!", "After some fiddling around you finally disarmed the trap"},
	          {{0, -1, 0, 0, HP, REG}, {0, 0, -1, 0, EP, REG}}}},
	        {"Empty Corridor",
	         "You enter an empty corridor with nothing going on.",
	         {{"Rest", "Scavenge for food", "Move on"},
	          {"You found a comfy place to take a nap.", "After some looking around you found a pack of food the previous adventurer left here.", "Your curiosity couldn't stop you, so you moved on immdediately"},
	          {{0, 1, 3, 0, 0, REG}, {0, 3, -1, 0, 0, REG}, {0, 0, 0, 0, 0, REG}}}},
	        {"Monster Room",
	         "You turn the corner and see an ugly monster!",
	         {{"Fight", "Run"},
	          {"You defeat the monster. Your armor still dripping blood, its and yours.", "You became so scared you ran away. Can't blame ya."},
	          {{0, -1, -1, 1, HP | EP | XP, REG}, {0, 0, 0, 0, 0, REG}}}},
	        {"Monster Corridor",
	         "You turn the corner and see an ugly monster!",
	         {{"Fight", "Run"},
	          {"You defeat the monster. Your armor still dripping blood, its and yours.", "You became so scared you ran away. Can't blame ya."},
	          {{0, -1, -1, 1, HP | EP | XP, REG}, {0, 0, 0, 0, 0, REG}}}},
	        {"Treasure Room",
	         "As you enter the room something shiny catches your eye.",
	         {{"Take the shiny", "Move on"},
	          {"You pick up the shiny and put it in your pocket.", "You decide not to pick the shiny thing up, maybe it was a trap?"},
	          {{0, 0, 0, 1, XP, TRS}, {0, 0, 0, 0, 0, REG}}}},
	        {"Stair Room",
	         "You enter the room and see old, cracked stairs going down.",
	         {{"Go down", "Move on"},
	          {"You go down the old stairs, trying not to trip.", "You decided that it's best not to go down there."},
	          {{1, 0, 0, 0, 0, REG}, {0, 0, 0, 0, 0, REG}}}},
	        {"Boss Room",
	         "As you enter the room you can smell the boss monster, it's a terrible "
	         "smell.",
	         {{"Fight"},
	          {"You fought glouriously."},
	          {{0, -2, -2, 2, HP | EP | XP, REG}}}},
	        {"Exit of the dungeon",
	         "You see some sunlight coming from the top. It's the exit!",
	         {{"Exit the dungeon", "Move on"},
	          {"You exit this damned dungeon. Good job.", "You wanted to stay here for longer, likely because you think your mission isn't over."},
	          {{0, 0, 0, 0, 0, EXT}, {0, 0, 0, 0, 0, REG}}}},
	};
	int iShouldStop = 0;
	Player player = {6, 6, 0, 0, 1, 0, 0};
	int iRoomId;
	Room room;
	char inp[2];
	int iInputIsCorrect = 1;
	int iXPFlag = 0;
	int iTurns = 0;
	srand(time(0));

	while (!iShouldStop) {
		if (player.iXperience >= 50)
			iXPFlag = 1;
		else
			iXPFlag = 0;
		if (iInputIsCorrect && !iXPFlag) {
			iRoomId = rand() % 6 + player.iKeys;
			room = vRooms[iRoomId];
			cout << noshowpos << player << " [Turns: " << iTurns << "]" << endl;
			iTurns++;
			cout << "> " << room.sName << "\n";
			cout << "=> " << room.sDescription << "\n";
			for (int i = 0; i < room.choices.vsNames.size(); i++)
			{
				cout << "  [" << room.choices.vsNames[i][0] << "]" << room.choices.vsNames[i].substr(1) << ": ";
				auto outcome = room.choices.vOutcomes[i];
				if (outcome.eSpecial == REG)
				{
					int iHPDelta = outcome.iPlayerHealthDelta;
					int iEPDelta = outcome.iPlayerEnduranceDelta;
					int iXPDelta = outcome.iPlayerXperienceDelta;
					if (outcome.eLevelFlags & HP)
						iHPDelta *= player.iLevel;
					if (outcome.eLevelFlags & EP)
						iEPDelta *= player.iLevel;
					if (outcome.eLevelFlags & XP)
						iXPDelta *= player.iLevel;

					if (iHPDelta < 0)
					{
						iHPDelta += player.iArmor;
						iHPDelta = min(0, iHPDelta);
					}
					if (iEPDelta < 0)
					{
						iEPDelta += player.iWeapon;
						iEPDelta = min(0, iEPDelta);
					}

					if (outcome.iPlayerHealthDelta)
						cout << showpos << "[" << iHPDelta << "hp]" << " ";
					if (outcome.iPlayerEnduranceDelta)
						cout << showpos << "[" << iEPDelta << "ep]" << " ";
					if (outcome.iPlayerXperienceDelta)
						cout << showpos << "[" << iXPDelta << "xp]" << " ";
					if (outcome.iPlayerLevelDelta)
						cout << showpos << "[" << outcome.iPlayerLevelDelta << "lvl]";
					if (!outcome.iPlayerEnduranceDelta && !outcome.iPlayerHealthDelta && !outcome.iPlayerXperienceDelta)
						cout << "[Nothing]";
				} else {
					switch (outcome.eSpecial) {
					case TRS:
						cout << "[+1 Treasure]";
						break;
					case EXT:
						cout << "[Get outta here!]";
						break;
					default:
						break;
					}
				}
				cout << endl;
			}
			cout << endl;
		} else if (iInputIsCorrect && iXPFlag) {
			cout << noshowpos << player << endl;
			cout << "=> You have 50+ XP! You can get better armor or a better weapon" << endl;
			cout << "  [W]eapon [+1 weapon]" << endl;
			cout << "  [A]rmor [+1 armor]" << endl;
		} else {
			cout << "Invalid Input: \"" << inp[0] << "\"" << endl;
		}
		iInputIsCorrect = 0;
		scanf("%1s", inp);
		inp[0] = tolower(inp[0], locale());
		while (getchar() != '\n');
		if (iXPFlag)
		{
			switch (inp[0])
			{
			case 'w':
				cout << "You got yourself a mighty good weapon." << endl;
				iInputIsCorrect = 1;
				player.iWeapon++;
				player.iXperience -= 50;
				break;
			case 'a':
				cout << "You got yourself some brilliant armor." << endl;
				iInputIsCorrect = 1;
				player.iArmor++;
				player.iXperience -= 50;
				break;
			}
		} else {
			for (int i = 0; i < room.choices.vsNames.size(); i++)
			{
				if (inp[0] == tolower(room.choices.vsNames[i][0], locale()))
				{
					auto outcome = room.choices.vOutcomes[i];
					if (outcome.eSpecial == REG)
					{
						int iHPDelta = outcome.iPlayerHealthDelta;
						int iEPDelta = outcome.iPlayerEnduranceDelta;
						int iXPDelta = outcome.iPlayerXperienceDelta;
						if (outcome.eLevelFlags & HP)
							iHPDelta *= player.iLevel;
						if (outcome.eLevelFlags & EP)
							iEPDelta *= player.iLevel;
						if (outcome.eLevelFlags & XP)
							iXPDelta *= player.iLevel;

						if (iHPDelta < 0)
						{
							iHPDelta += player.iArmor;
							iHPDelta = min(0, iHPDelta);
						}
						if (iEPDelta < 0)
						{
							iEPDelta += player.iWeapon;
							iEPDelta = min(0, iEPDelta);
						}

						player.iHealth += iHPDelta;
						player.iEndurance += iEPDelta;
						player.iXperience += iXPDelta;
						player.iLevel += outcome.iPlayerLevelDelta;
					} else if (outcome.eSpecial == TRS) {
						if (player.iKeys < 3)
						{
							if (rand() % 2 == 0)
								player.iKeys++;
							else
								player.iXperience += player.iLevel;
						} else {
							player.iXperience += player.iLevel;
						}
					} else if (outcome.eSpecial == EXT) {
						cout << "You exit the dungeon with " << player.iXperience + player.iArmor * 50 + player.iWeapon * 50 << "xp. Congrats!" << endl;
						iShouldStop = 1;
					}
					cout << room.choices.vsDescriptions[i] << endl;
					iInputIsCorrect = 1;
				}
				cout << endl;
			}
		}
		if (player.iHealth < 1)
		{
			cout << "You bled out." << endl;
			iShouldStop = 1;
		}
		if (player.iEndurance < 1)
		{
			cout << "You collapsed onto the floor." << endl;
			iShouldStop = 1;
		}
	}
	return 0;
}