// v0.0.3

/*
	NEXT:
	- add new rooms: castle grounds, castle fields, castle town
	- add battling
	- add shopping
	- add item use submenu
*/

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

#define FALSE 0
#define TRUE 1

void pause (void);

int game_over = FALSE;
void show_common_commands (void);
void check_common_commands (int command);

// room stuff
#define ROOM_ID_THRONE_ROOM 1
int room_id = ROOM_ID_THRONE_ROOM;
int throne_room_chest_empty = FALSE;
void throne_room (void);

// item stuff
#define ITEM_ID_TORCH 1

// hero stuff
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

int main (void)
{
	while (!game_over)
	{
		switch (room_id)
		{
		case ROOM_ID_THRONE_ROOM:
			throne_room();
			break;
		}
	}
	
	return 0;
}

void pause (void)
{
	printf ("=========================== press ENTER to continue ===========================");
	getchar();
	fflush (stdin);
}

void show_common_commands (void)
{
	printf ("[m] Magic   [i] Inventory\n");
	printf ("[s] Status  [a] Search area\n");
	printf ("[q] Quit\n");
	printf ("\n");
}

void check_common_commands (int command)
{
	int i;
	
	switch (command)
	{
	case 'm':
		printf ("You have no magic spells.\n");
		printf ("\n");
		pause();
		break;
		
	case 'i':
		printf ("You have:\n");
		printf ("\t%d Gold\n", gold);
		if (num_items > 0)
		{
			for (i = 0; i < num_items; i++)
			{
				switch (items[i])
				{
					case ITEM_ID_TORCH: printf ("\tTorch\n"); break;
					// TODO: more item types
				}
			}
		}
		else printf ("\tNo items\n");
		printf ("\n");
		pause();
		break;
	
	case '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");
		pause();
		break;
		
	case 'q': game_over = TRUE;
	}
}

void throne_room (void)
{
	// temporary variables
	int command;

	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
	show_common_commands();
	
	// user input retrieval
	printf ("Command? ");
	command = tolower (getchar());
	fflush (stdin);
	printf ("\n");
	
	// check room commands
	switch (command)
	{
	case '1':
		printf ("The King says, \"Please, take what we have provided from the treasure chest,\n");
		printf ("and save the kingdom!\"\n");
		printf ("\n");
		pause();
		break;
		
	case '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");
		pause();
		break;
		
	case '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");
		pause();
		break;
	
	case 'a':
		printf ("You don't find anything else.\n");
		printf ("\n");
		pause();
		break;
	}
	
	// check common commands
	check_common_commands (command);
}