// v0.0.1

#include <stdio.h> // printf(), getchar()
#include <stdlib.h> // system()
#include <ctype.h> // tolower()

#define FALSE 0
#define TRUE 1

#define ITEM_ID_TORCH 1

int main(void)
{
	// hero variables
	int level = 1;
	int hp = 10, max_hp = 10;
	int mp = 0, max_mp = 0;
	int atk = 1;
	int def = 0;
	int gold = 0;
	int num_items = 0;
	int items[8]; // array of IDs representing items
	
	// room variables
	int throne_room_chest_empty = FALSE;

	// temporary variables
	int command;
	int i;

	while (1)
	{
		system ("CLS");
		printf ("\n");
		
		// room description
		printf ("You are in the King's throne room.\n");
		printf ("\n");
		
		// room commands
		printf ("[1] Speak to the King\n");
		printf ("[2] Speak to the guards\n");
		printf ("[3] Check treasure chest\n");
		printf ("[4] Leave throne room\n");
		printf ("\n");
		
		// common commands
		printf ("[m] Magic   [i] Inventory  \n");
		printf ("[s] Status  [a] Search area\n");
		printf ("[q] Quit\n");
		printf ("\n");
		
		// user input retrieval
		printf ("Command? ");
		command = tolower(getchar());
		printf ("\n");
		
		// check room commands
		if (command == '1')
		{
			printf ("The King says, \"Please, take what we have provided from the treasure chest,\n");
			printf ("and save the kingdom!\"\n");
			printf ("\n");
			system ("PAUSE");
		}
		if (command == '2')
		{
			printf ("One of the guards says, \"The Princess was kidnapped a week ago, and the King\n");
			printf ("is very worried about her... Please! Rescue the princess!\n");
			printf ("\n");
			system ("PAUSE");
		}
		if (command == '3')
		{
			if (throne_room_chest_empty)
			{
				printf ("The chest is empty.\n");
			}
			else
			{
				printf ("You find a Torch and 180 Gold in the chest!\n");

				gold += 180;
				items[num_items++] = ITEM_ID_TORCH;
				
				throne_room_chest_empty = TRUE;
			}
			printf ("\n");
			system ("PAUSE");
		}
		
		// check common commands
		if (command == 'm')
		{
			printf ("You have no magic spells.\n");
			printf ("\n");
			system ("PAUSE");
		}
		if (command == 'i')
		{
			printf ("You have:\n");
			printf ("\t%d Gold\n", gold);
			if (num_items > 0)
			{
				for (i = 0; i < num_items; i++)
				{
					if (items[i] == ITEM_ID_TORCH) printf ("\tTorch\n");
					// TODO: more item types
				}
			}
			else
			{
				printf ("\tNo items\n");
			}
			printf ("\n");
			system ("PAUSE");
		}
		if (command == 's')
		{
			printf ("Level: %d\n", level);
			printf ("\tHP:  %d/%d\n", hp, max_hp);
			printf ("\tMP:  %d/%d\n", mp, max_mp);
			printf ("\tAtk: %d\n", atk);
			printf ("\tDef: %d\n", def);
			printf ("\n");
			system ("PAUSE");
		}
		// TODO: this should be part of the room commands, shouldn't it?
		if (command == 'a')
		{
			printf ("You don't find anything else.\n");
			printf ("\n");
			system ("PAUSE");
		}
		if (command == 'q') return 0;
	}
	
	return 0;
}