shop.h

#include <iostream>
#include <stdio.h>
#include <stdlib.h>
#include <sqlite3.h>
#include <ncurses.h>
#include <vector>
#include <random>
#include <ctime>
#include <math.h>
#include "sql.h"

std::vector<std::string> new_item(int seed, std::vector<std::string> vec)
{
	srand(time(0) + seed);
	int name = (rand()%3) + 1;
	if (name == 1)
	{
		vec.push_back("Sword");
	}
	else if (name == 2)
	{
		vec.push_back("Bow");
	}
	else
	{	
		vec.push_back("Staff");
	}
		srand(time(0) + seed);
		int strength = (rand() % 20) + 1;
		vec.push_back("Strength increase = " + std::to_string(strength));
		int hp = (rand() % 20) + 1;
		vec.push_back("HP Increase = " + std::to_string(hp));
		int gold = (pow((double)strength, 2)) + hp;
		vec.push_back("Gold cost = " + std::to_string(gold));
	return vec;
	
}

int limit()
{
	std::vector<std::string> ids;
	std::string query = "SELECT ID FROM Items";
	ids = sql_call(query);
	if (ids.size() > 3)
	{
		return 1;
	}
	else
	{
		return 0;
	}
}

int shop(int gold)
{
	initscr();
	noecho();
	std::vector<std::string> item1;
	item1 = new_item(1, item1);
	std::vector<std::string> item2;
	item2 = new_item(2, item2);
	std::vector<std::string> item3;
	item3 = new_item(3, item3);

	int y = 10;
	
	std::string s = "You have " + std::to_string(gold) + " gold.";
	printw(s.c_str());
	move(y, 30);
	
	for(std::string x : item1)
	{
		printw(x.c_str());
		y = y + 1;
		move(y, 30);		
	}
	y = y + 2;
	move(y, 30);
	for(std::string x : item2)
	{
		printw(x.c_str());
		y = y + 1;	
		move(y, 30);	
	}
	y = y + 2;
	move(y, 30);
	for(std::string x : item3)
	{
		printw(x.c_str());
		y = y + 1;	
		move(y, 30);	
	}
	
	move((y + 10), 0);
	printw("Press 1, 2 or 3 to buy an item or press ESC to exit the shop.");
	refresh();	
	int inp;
	
	do
	{
	inp = getch();
	
	if (inp == 49)
	{	
		std::string check = item1[0];
		if (check == "sold")
		{}
		else
		{
		int total;	
		std::string cost = item1[3];
		cost = cost.substr(11, cost.find(" "));
		total = gold - (std::stoi(cost));
		if (total >= 0)
		{
			std::string itemName = item1[0];
			move((y + 12), 0);
			std::string message = "Are you sure you want to buy this " + itemName + "? You will be left with " + std::to_string(total) + " gold. Y or N.";
			printw(message.c_str());	
			int confirm = 0;
			do
			{
			inp = getch();
			if (inp == 110)
			{
				move((y + 12), 0);
				clrtoeol();
				confirm = 1;
			}
			else if (inp == 121)
			{
				int lim = limit();
				if (lim == 1)
				{
					move((y + 12), 0);
					clrtoeol();
					printw("You can't carry more items.");
					confirm = 1;
				}
				else
				{
				move((y + 12), 0);
				clrtoeol();
				message = "You have bought " + itemName;
				mvprintw((y + 12), 0,message.c_str());
				gold = total;
				s = "You have " + std::to_string(gold) + " gold.";
				move(0, 0);
				clrtoeol();
				printw(s.c_str());
				for (int i = 10; i < 14; i++)
				{
					move(i, 0);
					clrtoeol();
				}
				item1[0] = "sold";
				std::string hp = item1[2];
				hp = hp.substr(14, hp.find(" "));
				std::string str = item1[1];
				str = str.substr(20, str.find(" "));
				std::string query = "INSERT INTO Items(Name, Description, HP_Buff, Strength_Buff, Equipped, Price) VALUES('" + itemName + "', '', " + hp + ", " + str + ", 0, " + cost + ")";
				sql_call(query);
				confirm = 1;
			}
			}
			else
			{}
		} while(confirm != 1);
		}
		else
		{
			move((y + 12), 0);
			clrtoeol();
			printw("Not enough gold.");	
		}
	}		
	}
		
	
	else if (inp == 50) 
	{
		std::string check = item2[0];
		if (check == "sold")
		{}
		else
		{
		int total;	
		std::string cost = item2[3];
		cost = cost.substr(11, cost.find(" "));
		total = gold - (std::stoi(cost));
		if (total >= 0)
		{
			std::string itemName = item2[0];
			move((y + 12), 0);
			std::string message = "Are you sure you want to buy this " + itemName + "? You will be left with " + std::to_string(total) + " gold. Y or N.";
			printw(message.c_str());
			int confirm = 0;
			do
			{
			inp = getch();
			if (inp == 110)
			{
				move((y + 12), 0);
				clrtoeol();		
				confirm = 1;
			}
			else if (inp == 121)
			{
				int lim = limit();
				if (lim == 1)
				{
					move((y + 12), 0);
					clrtoeol();
					printw("You can't carry more items.");
					confirm = 1;
				}
				else
				{
				move((y + 12), 0);
				clrtoeol();
				message = "You have bought " + itemName;
				mvprintw((y + 12), 0,message.c_str());
				gold = total;
				s = "You have " + std::to_string(gold) + " gold.";
				move(0, 0);
				clrtoeol();
				printw(s.c_str());
				for (int i = 16; i < 20; i++)
				{
					move(i, 0);
					clrtoeol();
				}
				item2[0] = "sold";
				std::string hp = item2[2];
				hp = hp.substr(14, hp.find(" "));
				std::string str = item2[1];
				str = str.substr(20, str.find(" "));
				std::string query = "INSERT INTO Items(Name, Description, HP_Buff, Strength_Buff, Equipped, Price) VALUES('" + itemName + "', '', " + hp + ", " + str + ", 0, " + cost + ")";
				sql_call(query);
				confirm = 1;
			}
			}
				else
				{}
			} while(confirm != 1);
		}
		else
		{
			move((y + 12), 0);
			clrtoeol();
			printw("Not enough gold.");	
		}
	}		
	}
		
	
	else if (inp == 51) 
	{
		std::string check = item3[0];
		if (check == "sold")
		{}
		else
		{
		int total;	
		std::string cost = item3[3];
		cost = cost.substr(11, cost.find(" "));
		total = gold - (std::stoi(cost));
		if (total >= 0)
		{
			std::string itemName = item3[0];
			move((y + 12), 0);
			std::string message = "Are you sure you want to buy this " + itemName + "? You will be left with " + std::to_string(total) + " gold. Y or N.";
			printw(message.c_str());
			int confirm = 0;
			do
			{	
			inp = getch();
			if (inp == 110)
			{
				move((y + 12), 0);
				clrtoeol();	
				confirm = 1;
			}
			else if (inp == 121)
			{
				int lim = limit();
				if (lim == 1)
				{
					move((y + 12), 0);
					clrtoeol();
					printw("You can't carry more items.");
					confirm = 1;
				}
				else
				{
				move((y + 12), 0);
				clrtoeol();
				message = "You have bought " + itemName;
				mvprintw((y + 12), 0,message.c_str());
				gold = total;
				s = "You have " + std::to_string(gold) + " gold.";
				move(0, 0);
				clrtoeol();
				printw(s.c_str());
				for (int i = 22; i < 26; i++)
				{
					move(i, 0);
					clrtoeol();
				}
				item3[0] = "sold";
				std::string hp = item3[2];
				hp = hp.substr(14, hp.find(" "));
				std::string str = item3[1];
				str = str.substr(20, str.find(" "));
				std::string query = "INSERT INTO Items(Name, Description, HP_Buff, Strength_Buff, Equipped, Price) VALUES('" + itemName + "', '', " + hp + ", " + str + ", 0, " + cost + ")";
				sql_call(query);
				confirm = 1;
			}
			}
				else
				{}
			} while(confirm != 1);
		}
		else
		{
			move((y + 12), 0);
			clrtoeol();
			printw("Not enough gold.");	
		}
	}		
	}
	} while(inp != 27);
	
	endwin();
	return 0;
}