#include <iostream>
#include <string>
#include <ctime>
#include <cstdlib>

using namespace std;

string d1; //String to store the door contents in
string d2;
string d3;
int choice; //int to store player's choice
int r; //used for the random generator
string switchChoice; //used to store if the user wants to switch
int safeGoat; //used to store behind which door is a goat
int switchDoor; //used to store to which door the player will switch if he decides to
bool revealed = false; //used to prevent revealing 2 doors
bool repeat; //used to either repeat or end the game
string contchoice; //stores if the user wants to continue
double wincount = 0;
double gamecount = 0;




//converts the numbers 1,2,3 to whatever's behind the respective door
string doorConvert(int i) {
    if (i == 1) {
        return d1;
    }
    else if (i == 2) {
        return d2;
    }
    else if (i == 3) {
        return d3;
    }
}


//Mainly for text and getting the player's choice
void intro() {
    cout << "Welcome to Let's Make a Deal!" << endl;
    cout << "Here are three doors:\nBehind 1 of these doors the Car! \nBehind the other 2 is a Goat" << endl;
    cout << "Door1\nDoor2\nDoor3\n";
    cout << "Pick a Door!";
    cin >> choice;
}


//function to randomize what's behind the door
void randDoor() {
    srand(time(NULL));
    r = rand() % 3;
    if (r == 0) {
        d1 = "Car";
        d2 = "Goat";
        d3 = "Goat";
    }
    else if (r == 1) {
        d1 = "Goat";
        d2 = "Car";
        d3 = "Goat";
    }
    else if (r == 2) {
        d1 = "Goat";
        d2 = "Goat";
        d3 = "Car";
    }
}

//reveals a door with a goat behind it to the player
void doorReveal() {
    if (choice == 1) {
        cout << "Let me reveal another Door for you:" << endl;
        cout << "Door1 <- Your pick" << endl; //userpick
        if (d2 == "Goat" && revealed == false) {
            cout << "Goat\n";
            safeGoat = 2;
            switchDoor = 3;
            revealed = true;
        }
        else {
            cout << "Door2\n";//reveal door2
        }
        if (d3 == "Goat" && revealed == false) {
            cout << "Goat\n";
            safeGoat = 3;
            switchDoor = 2;
            revealed = true;
        }
        else {
            cout << "Door3\n";//reveal door3
        }
    }
    else if (choice == 2) {
        cout << "Let me reveal another Door for you:" << endl;
        if (d1 == "Goat" && revealed == false) {
            cout << "Goat\n";
            safeGoat = 1;
            switchDoor = 3;
            revealed = true;
        }
        else {
            cout << "Door1\n"; //reveal door1
        }
        cout << "Door2 <- Your pick" << endl; //userpick
        if (d3 == "Goat" && revealed == false) {
            cout << "Goat\n";
            safeGoat = 3;
            switchDoor = 1;
            revealed = true;
        }
        else {
            cout << "Door3\n"; //reveal door3
        }
    }
    else if (choice == 3) {
        cout << "Let me reveal another Door for you:" << endl;
        if (d1 == "Goat" && revealed == false) {
            cout << "Goat\n";
            safeGoat = 1;
            switchDoor = 2;
            revealed = true;
        }
        else {
            cout << "Door1\n"; //reveal door1
        }
        if (d2 == "Goat" && revealed == false) {
            cout << "Goat\n";
            safeGoat = 2;
            switchDoor = 1;
            revealed = true;
        }
        else {
            cout << "Door2\n"; //reveal door2
        }
        cout << "Door3 <- Your pick" << endl;
    }

}


//asks the user if he wants to switch doors and ends the game by revealing all doors
void switcheroo() {
    cout << "Do you want to switch your Door? " << endl;
    cin >> switchChoice;
    if (switchChoice == "yes" || switchChoice == "Y" || switchChoice == "Yes" || switchChoice == "YES" || switchChoice == "y") {
        cout << "You switched and have selected Door" << switchDoor << endl << endl;
        cout << d1 << endl;
        cout << d2 << endl;
        cout << d3 << endl;
        if (doorConvert(switchDoor) == "Car") {
            cout << endl << "Congratulations, you won the car!" << endl;
            wincount++;
        }
        else if (doorConvert(switchDoor) == "Goat") {
            cout << endl << "Better luck next time!" << endl;
        }
    }
    else {
        cout << "You decided to stick with your choice!" << endl;
        cout << d1 << endl;
        cout << d2 << endl;
        cout << d3 << endl;
        if (doorConvert(choice) == "Car") {
            cout << "Congratulations, you won the car!" << endl;
            wincount++;
        }
        else if (doorConvert(choice) == "Goat") {
            cout << endl << "Better luck next time!" << endl;
        }

    }
}


//to store if the user wants to play another game
void cont(string decision) {
    if (decision == "y" || decision == "Y") {
        repeat = true;
    }
    else {
        repeat = false;
    }
}


double calculateWinPercentage() {
    double p = (wincount / gamecount) * 100;
    return p;
}

//the actual game progress line
void game() {
    randDoor();
    intro();
    doorReveal();
    switcheroo();
    gamecount++;
    cout << endl << endl << "Games played: " << gamecount << endl;
    cout << "Games won: " << wincount << endl;
    cout << endl << "-------Win Percentage: " << calculateWinPercentage() << "%-------" << endl << endl;
    cout << "Do you want to play the game again with another random set of doors?" << endl;
    cin >> contchoice;
    cont(contchoice);
}





//lol main lol
int main() {
    game();
    while (repeat == true) {
        game();
    }
}