campus_shop_v2

#include <iostream>
#include <iomanip> //setw
#include <cmath> // math
#include <fstream>
#include <cstring>
#include <string>
#include <map>
#include <algorithm>

using namespace std;







// Big Daddy Menu ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

// hey future coder, when menu is written it needs parameters
// username,

void menu(string username, string password) {
    double const SALES_TAX = .06875;
    string menu_setup, line, search, search1, key, price, psearch, psearch1;
    string buy_statement, return_statement, cart_statement; // this are size_t price_initial, price_final;
    string divvy = "======================================\n";
    int opt, current_money, price_int;
    int n1,n4;  // counters for reading lines
    int ben = 1; // ben runs everything

    cout << "CAMPUS_SHOP_V2\n" << divvy << "\n";

    menu_setup = "\n1.Buy\n2.Return\n3.List\n4.Cart\n5.Quit\n>";

    fstream inventory;
    fstream cart;
    fstream inv_source;

    int case_1_choice, case_2_choice, case_3_choice, case_4_choice;
    key = username + '.' + password;

    current_money = 200;

    while(ben == 1 && current_money > 0) {
        cout << menu_setup;
        cin >> opt;

        switch(opt) {
            case 1:
                n1 = 1;
                inventory.open("txt/inventory.txt");
                if (inventory.is_open()) {
                    while(!inventory.eof()) {
                        getline(inventory,line);
                        cout << n1 << ": " << line << "\n";
                        n1 += 1;
                    }
                } else {
                    cout << "Somehow the inventory isn't open";
                }
                inventory.close();


                cout << "\nBuy\n" << divvy << "[Enter item]\n> ";
                cin >> case_1_choice;
                inv_source.open("txt/inv_source.txt");
                switch(case_1_choice) {
                    case 1:
                        search = "Father Azzarto Bobblehead";
                        search1 = ":P";
                        psearch = "=";
                        psearch1 = ".";

                        size_t pos;
                        size_t pos1;
                        size_t price_initial;
                        size_t price_final;
                        while(inv_source.good()) {
                            getline(inv_source,line); // get line from file
                            cout << '*' << line;
                            pos=line.find(search); // search
                            cout << '$' << pos;
                            pos1=line.find(search1);
                            cout << '#' << pos1 << endl;   // for loop concenation
                            //cout << "pos=" << pos <<endl;
                            for(pos ; pos < pos1; pos += 1) {
                                    getline(inv_source, line);
                                    buy_statement += line[pos];
                                    cout << "k="<<buy_statement << endl;
                                }

                            }
                            price_initial = line.find(psearch);
                            price_initial += 1;
                            price_final = line.find(psearch1);
                            for(price_initial; price_initial < price_final; price_initial += 1) {
                                price += line[price_initial];
                                }

                        //price_int = stoi(price);
                         cout << "buy_statement = " <<buy_statement << endl; // +++FLAG ALERT
                        cout << price_int;
                        cart.open("txt/cart.txt");

                            cart << key << "~" << buy_statement << endl;
                            //current_money -= price_int;
                        cart.close();
                        inv_source.close();

                        break;
                    case 2:
                        search = "Gloves";
                        search1 = ":P";
                        psearch = "=";
                        psearch1 =  "."; /*

                        size_t pos;
                        size_t pos1;
                        size_t price_initial;
                        size_t price_final;
                        */while(inv_source.good()) {
                            getline(inv_source,line); // get line from file
                            cout << '*' << line;
                            pos=line.find(search); // search
                            cout << '$' << pos;
                            pos1=line.find(search1);
                            cout << '#' << pos1 << endl;   // for loop concenation
                            //cout << "pos=" << pos <<endl;
                            for(pos ; pos < pos1; pos += 1) {
                                    getline(inv_source, line);
                                    buy_statement += line[pos];
                                    cout << "k="<<buy_statement << endl;
                                }

                            }
                            price_initial = line.find(psearch);
                            price_initial += 1;
                            price_final = line.find(psearch1);
                            for(price_initial; price_initial < price_final; price_initial += 1) {
                                price += line[price_initial];
                                }

                        //price_int = stoi(price);
                         cout << "buy_statement = " <<buy_statement << endl; // +++FLAG ALERT
                        cout << price_int;
                        cart.open("txt/cart.txt");

                            cart << key << "~" << buy_statement << endl;
                            //current_money -= price_int;
                        cart.close();
                        inv_source.close();
                        break;
                    case 3:
                        search = "Large Duffle Bag";
                        search1 = ":P";
                        psearch = "=";
                        psearch1 =  "."; /*

                        size_t pos;
                        size_t pos1;
                        size_t price_initial;
                        size_t price_final;
                        */while(inv_source.good()) {
                            getline(inv_source,line); // get line from file
                            cout << '*' << line;
                            pos=line.find(search); // search
                            cout << '$' << pos;
                            pos1=line.find(search1);
                            cout << '#' << pos1 << endl;   // for loop concenation
                            //cout << "pos=" << pos <<endl;
                            for(pos ; pos < pos1; pos += 1) {
                                    getline(inv_source, line);
                                    buy_statement += line[pos];
                                    cout << "k="<<buy_statement << endl;
                                }

                            }
                            price_initial = line.find(psearch);
                            price_initial += 1;
                            price_final = line.find(psearch1);
                            for(price_initial; price_initial < price_final; price_initial += 1) {
                                price += line[price_initial];
                                }

                        //price_int = stoi(price);
                         cout << "buy_statement = " <<buy_statement << endl; // +++FLAG ALERT
                        cout << price_int;
                        cart.open("txt/cart.txt");

                            cart << key << "~" << buy_statement << endl;
                            //current_money -= price_int;
                        cart.close();
                        inv_source.close();
                        break;
                    case 4:
                        search = "Winter Hat";
                        search1 = ":P";
                        psearch = "=";
                        psearch1 =  "."; /*

                        size_t pos;
                        size_t pos1;
                        size_t price_initial;
                        size_t price_final;
                        */while(inv_source.good()) {
                            getline(inv_source,line); // get line from file
                            cout << '*' << line;
                            pos=line.find(search); // search
                            cout << '$' << pos;
                            pos1=line.find(search1);
                            cout << '#' << pos1 << endl;   // for loop concenation
                            //cout << "pos=" << pos <<endl;
                            for(pos ; pos < pos1; pos += 1) {
                                    getline(inv_source, line);
                                    buy_statement += line[pos];
                                    cout << "k="<<buy_statement << endl;
                                }

                            }
                            price_initial = line.find(psearch);
                            price_initial += 1;
                            price_final = line.find(psearch1);
                            for(price_initial; price_initial < price_final; price_initial += 1) {
                                price += line[price_initial];
                                }

                        //price_int = stoi(price);
                         cout << "buy_statement = " <<buy_statement << endl; // +++FLAG ALERT
                        cout << price_int;
                        cart.open("txt/cart.txt");

                            cart << key << "~" << buy_statement << endl;
                            //current_money -= price_int;
                        cart.close();
                        inv_source.close();
                        cout << "";
                        break;
                    case 5:
                        search = "Black Quilted Jacket";
                        search1 = ":P";
                        psearch = "=";
                        psearch1 =  "."; /*

                        size_t pos;
                        size_t pos1;
                        size_t price_initial;
                        size_t price_final;
                        */while(inv_source.good()) {
                            getline(inv_source,line); // get line from file
                            cout << '*' << line;
                            pos=line.find(search); // search
                            cout << '$' << pos;
                            pos1=line.find(search1);
                            cout << '#' << pos1 << endl;   // for loop concenation
                            //cout << "pos=" << pos <<endl;
                            for(pos ; pos < pos1; pos += 1) {
                                    getline(inv_source, line);
                                    buy_statement += line[pos];
                                    cout << "k="<<buy_statement << endl;
                                }

                            }
                            price_initial = line.find(psearch);
                            price_initial += 1;
                            price_final = line.find(psearch1);
                            for(price_initial; price_initial < price_final; price_initial += 1) {
                                price += line[price_initial];
                                }

                        //price_int = stoi(price);
                         cout << "buy_statement = " <<buy_statement << endl; // +++FLAG ALERT
                        cout << price_int;
                        cart.open("txt/cart.txt");

                            cart << key << "~" << buy_statement << endl;
                            //current_money -= price_int;
                        cart.close();
                        inv_source.close();
                        cout << "";
                        break;
                    case 6:
                        search = "Varsity Sweater";
                        search1 = ":P";
                        psearch = "=";
                        psearch1 =  "."; /*

                        size_t pos;
                        size_t pos1;
                        size_t price_initial;
                        size_t price_final;
                        */while(inv_source.good()) {
                            getline(inv_source,line); // get line from file
                            cout << '*' << line;
                            pos=line.find(search); // search
                            cout << '$' << pos;
                            pos1=line.find(search1);
                            cout << '#' << pos1 << endl;   // for loop concenation
                            //cout << "pos=" << pos <<endl;
                            for(pos ; pos < pos1; pos += 1) {
                                    getline(inv_source, line);
                                    buy_statement += line[pos];
                                    cout << "k="<<buy_statement << endl;
                                }

                            }
                            price_initial = line.find(psearch);
                            price_initial += 1;
                            price_final = line.find(psearch1);
                            for(price_initial; price_initial < price_final; price_initial += 1) {
                                price += line[price_initial];
                                }

                        //price_int = stoi(price);
                         cout << "buy_statement = " <<buy_statement << endl; // +++FLAG ALERT
                        cout << price_int;
                        cart.open("txt/cart.txt");

                            cart << key << "~" << buy_statement << endl;
                            //current_money -= price_int;
                        cart.close();
                        inv_source.close();
                        cout << "";
                        break;
                    case 7:
                        search = "Prep Socks";
                        search1 = ":P";
                        psearch = "=";
                        psearch1 =  "."; /*

                        size_t pos;
                        size_t pos1;
                        size_t price_initial;
                        size_t price_final;
                        */while(inv_source.good()) {
                            getline(inv_source,line); // get line from file
                            cout << '*' << line;
                            pos=line.find(search); // search
                            cout << '$' << pos;
                            pos1=line.find(search1);
                            cout << '#' << pos1 << endl;   // for loop concenation
                            //cout << "pos=" << pos <<endl;
                            for(pos ; pos < pos1; pos += 1) {
                                    getline(inv_source, line);
                                    buy_statement += line[pos];
                                    cout << "k="<<buy_statement << endl;
                                }

                            }
                            price_initial = line.find(psearch);
                            price_initial += 1;
                            price_final = line.find(psearch1);
                            for(price_initial; price_initial < price_final; price_initial += 1) {
                                price += line[price_initial];
                                }

                        //price_int = stoi(price);
                         cout << "buy_statement = " <<buy_statement << endl; // +++FLAG ALERT
                        cout << price_int;
                        cart.open("txt/cart.txt");

                            cart << key << "~" << buy_statement << endl;
                            //current_money -= price_int;
                        cart.close();
                        inv_source.close();
                        cout << "";
                        break;
                    case 8:
                        search = "Tie Bar";
                        search1 = ":P";
                        psearch = "=";
                        psearch1 =  "."; /*

                        size_t pos;
                        size_t pos1;
                        size_t price_initial;
                        size_t price_final;
                        */while(inv_source.good()) {
                            getline(inv_source,line); // get line from file
                            cout << '*' << line;
                            pos=line.find(search); // search
                            cout << '$' << pos;
                            pos1=line.find(search1);
                            cout << '#' << pos1 << endl;   // for loop concenation
                            //cout << "pos=" << pos <<endl;
                            for(pos ; pos < pos1; pos += 1) {
                                    getline(inv_source, line);
                                    buy_statement += line[pos];
                                    cout << "k="<<buy_statement << endl;
                                }

                            }
                            price_initial = line.find(psearch);
                            price_initial += 1;
                            price_final = line.find(psearch1);
                            for(price_initial; price_initial < price_final; price_initial += 1) {
                                price += line[price_initial];
                                }

                        //price_int = stoi(price);
                         cout << "buy_statement = " <<buy_statement << endl; // +++FLAG ALERT
                        cout << price_int;
                        cart.open("txt/cart.txt");

                            cart << key << "~" << buy_statement << endl;
                            //current_money -= price_int;
                        cart.close();
                        inv_source.close();
                        cout << "";
                        break;
                    case 9:
                        search = "Blue Prep Tie";
                        search1 = ":P";
                        psearch = "=";
                        psearch1 =  "."; /*

                        size_t pos;
                        size_t pos1;
                        size_t price_initial;
                        size_t price_final;
                        */while(inv_source.good()) {
                            getline(inv_source,line); // get line from file
                            cout << '*' << line;
                            pos=line.find(search); // search
                            cout << '$' << pos;
                            pos1=line.find(search1);
                            cout << '#' << pos1 << endl;   // for loop concenation
                            //cout << "pos=" << pos <<endl;
                            for(pos ; pos < pos1; pos += 1) {
                                    getline(inv_source, line);
                                    buy_statement += line[pos];
                                    cout << "k="<<buy_statement << endl;
                                }

                            }
                            price_initial = line.find(psearch);
                            price_initial += 1;
                            price_final = line.find(psearch1);
                            for(price_initial; price_initial < price_final; price_initial += 1) {
                                price += line[price_initial];
                                }

                        //price_int = stoi(price);
                         cout << "buy_statement = " <<buy_statement << endl; // +++FLAG ALERT
                        cout << price_int;
                        cart.open("txt/cart.txt");

                            cart << key << "~" << buy_statement << endl;
                            //current_money -= price_int;
                        cart.close();
                        inv_source.close();
                        cout << "";
                        break;
                    case 10:
                        search = "SPP Belt";
                        search1 = ":P";
                        psearch = "=";
                        psearch1 =  "."; /*

                        size_t pos;
                        size_t pos1;
                        size_t price_initial;
                        size_t price_final;
                        */while(inv_source.good()) {
                            getline(inv_source,line); // get line from file
                            cout << '*' << line;
                            pos=line.find(search); // search
                            cout << '$' << pos;
                            pos1=line.find(search1);
                            cout << '#' << pos1 << endl;   // for loop concenation
                            //cout << "pos=" << pos <<endl;
                            for(pos ; pos < pos1; pos += 1) {
                                    getline(inv_source, line);
                                    buy_statement += line[pos];
                                    cout << "k="<<buy_statement << endl;
                                }

                            }
                            price_initial = line.find(psearch);
                            price_initial += 1;
                            price_final = line.find(psearch1);
                            for(price_initial; price_initial < price_final; price_initial += 1) {
                                price += line[price_initial];
                                }

                        //price_int = stoi(price);
                         cout << "buy_statement = " <<buy_statement << endl; // +++FLAG ALERT
                        cout << price_int;
                        cart.open("txt/cart.txt");

                            cart << key << "~" << buy_statement << endl;
                            //current_money -= price_int;
                        cart.close();
                        inv_source.close();
                        cout << "";
                        break;
                }
                /*
                cart.open("txt/cart.txt");
                if(cart.is_open()) {
                    cout << "HERERERERERE";
                } else {
                    cout << "cart file isn't open";
                }
                */
                //inv_source.close();
                //cart.close();
                break;
            case 2:
                cout << "\nReturn\n" << divvy << "[Enter item]\n>";
                cin >> case_2_choice;


                cart.open("txt/cart.txt");
                cart.close();
                break;

            case 3:
                n4 = 1;
                cout << "\nList\n" << divvy;
                inventory.open("txt/inventory.txt");
                if (inventory.is_open()) {
                    while(!inventory.eof()) {
                        getline(inventory,line);
                        cout << n4 << ": " << line << "\n";
                        n4 += 1;
                    }
                } else {
                    cout << "Somehow the inventory isn't open";
                }
                inventory.close();
                break;

            case 4:
                cout << "\nCart\n" << divvy;
                cart.open("txt/cart.txt"); // fsearch thing with the key {Username and password}


                cart.close();
                break;

            case 5:
                cout << "\nQUIT\n" << divvy;// << "\n1.With items in cart\n2.Without any items\n>";
                ben -= 1;
                //cin >> case_4_choice;
                /*
                if(case_4_choice == 1) {

                    ben -= 1;
                } else if(case_4_choice == 2) {
                    cout << "Arrivederci";
                    ben -= 1;

                }else{
                    cout << "Hey, buddy what you doing my guy";
                }
                */
                break;
            default:
                cout << "Hey, hey buddy.";
                cout << "\n\n That's not an option\n\n\n\n\n\n\n\n";
                break;
        }


}
}










// USERS ********************************************************
void addNewMembers(string name, string encrypt) {
    // parameters are put to figure use variables in other functions of code
    string save;
    ofstream Users; // file stream
    Users.open("txt/Users.txt", ios::app);
    if(Users.is_open()) {
        Users << name << ':' << encrypt << '\n';  // appends to file called Users
    } else {
        cout << "Error with file opening";
    }
    Users.close();
    save = name + "." + encrypt;

    menu(name, encrypt);

}

void algorithmNewUser(string ps, string name_of_user) {
    string hashnsalt; // acts sorta like a transitional function

    reverse(ps.begin(),ps.end());
    hashnsalt = ps + "6" ;
    reverse(hashnsalt.begin(),hashnsalt.end());
    hashnsalt += "8";
    reverse(hashnsalt.begin(),hashnsalt.end());

    // cout << hashnsalt << "\n";   #++++++++++++++++++ FLAG ALERT
    addNewMembers(name_of_user, hashnsalt);
}

void newUser() {
    string username, password;
    cout << "Input a new username: ";
    cin >> username;
    while((4) != password.length()) {  // if length != 4 then keep running
        cout << "Input a 4 number pin as a password: ";
        cin >> password;
    }
    algorithmNewUser(password, username);
}
//////////////////////////////////////// THE GREAT WALL OF USERS


void welcomingReturningMember(string ps, string userName) { // welcomes returning user and also checks for username via password
    string username, key, line, save;
    int elseChoice;
    int j = 1; // it's the runner again

    fstream Users;

    key = userName + ":" + ps;
    Users.open("txt/Users.txt");
    if(Users.is_open()) {




        while (!Users.eof() && (j == 1)) {
            getline(Users,line);
            if(key == line) {
                cout << "Welcome back, " << userName << "!";
                break;
            }
            else {
                cout << "User not found\n";
                cout << "New Account?\n[Enter integer]\n1.Yes\n2.No\n>";
                cin >> elseChoice;
                switch(elseChoice) {
                    case 1:
                        j -= 1;
                        newUser();
                        break;
                    case 2:
                        j -= 1;
                        cout << "Too bad, you are becoming a New Member\n\n";
                        newUser();
                        break;
                    default:
                        cout << "Okay well, that's not a choice";
                    }

            }
        }








    } else {
        cout << "File not working";
    }
    save = userName + "." + ps;
    menu(userName, ps);
}

void returningUserAlgorithm(string pswd, string user) {
    string saltyhash; // just a standard decaration fam
    reverse(pswd.begin(),pswd.end());   // reverses the order
    saltyhash = pswd + "6";
    reverse(saltyhash.begin(),saltyhash.end());
    saltyhash += "8";
    reverse(saltyhash.begin(),saltyhash.end());// finishes the 6br8-Algoritm

    welcomingReturningMember(saltyhash, user);
}



void returningUser() {
    string username, password;
    cout << "Enter username: ";
    cin >> username;

    while((4) != password.length()) {
        cout << "Enter password: ";
        cin >> password;
    }
    returningUserAlgorithm(password, username);
}


void user() {
    int user_choice, runner = 1;
    string user_prompt;

    while(runner == 1) {
        user_prompt = "[Enter digit]\n1.New User\n2.Returning User\n>";

        cout << user_prompt;
        cin >> user_choice;
        switch(user_choice) {
            case 1:
                runner -= 1;
                newUser();
                break;
            case 2:
                runner -= 1;
                returningUser();
                break;
            default:
                cout << "Not a valid choice";
                break;
        }
    }


}

//
void buyingMenu() {
    int runner = 1;
    char userChoice;
    while (runner == 1) {
        cout << "Inventory: ";
            cout << "1: Father Azzarto Bobblehead: 25 Tokens.\n";
            cout << "2: Gloves: 7 Tokens.\n";
            cout << "3: Large Duffle Bag: 30 Tokens.\n";
            cout << "4: Winter Had: 20 Tokens.\n";
            cout << "5: Black Quilted Jacket: 45 Tokens.\n";
            cout << "6: Varsity Sweater: 50 Tokens.\n";
            cout << "7: Prep Socks: 15 Tokens.\n";
            cout << "8: Tie Bar: 10 Tokens.\n";
            cout << "9: Blue Prep Tie: 30 Tokens.\n";
            cout << "10: SPP Belt: 25 Tokens.\n";
        cout << "\nSelect what item you want to buy [1-10]: \n";
        cin >> userChoice;
        switch(userChoice) {
            case 1:
                cout << "ur bad";
                break;
        } // switch statement
    } // while loop
}


// Lil God ########################################################
int main() {
    cout << "Prep Campus Shop_V2" << "\n==========================\n";
    user();

    return 0;
}