/*
 * Curses UI for slide puzzle game
 * Copyright © 2022 Nick Bowler
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <https://www.gnu.org/licenses/>.
 */

#ifndef RRACE_CURSESUI_H_
#define RRACE_CURSESUI_H_

#include "game.h"

/* Array indices for gamewin and goalwin window sets. */
enum {
	PLAYWIN_TILEBORDER,
	PLAYWIN_TILEFILL,
	PLAYWIN_AREA,
	PLAYWIN_MAX
};

/* Colour pair enumeration */
enum {
	/* Pairs 1-6 correspond to tile colours; use TILE_xxx enumerations. */
	RR_COLOUR_SHADOW = TILE_MAX, /* black on black (use bold) */
	RR_COLOUR_TOOLBAR,           /* cyan on black (use reverse video) */
	RR_COLOUR_MAX
};

struct app_state {
	struct board board;

	WINDOW *gamewin[PLAYWIN_MAX], *goalwin[PLAYWIN_MAX];
	WINDOW *toolbar, *timer;

	/* Previous input returned from getch, for 2-character sequences */
	int last_input;

	/* Most recently displayed timer value, for screen redraw. */
	uint_least32_t timer_ms;

	/* Location of the keyboard cursor */
	int_least8_t cursor;

	/* If true, the goal will be displayed over the main play area. */
	uint_least8_t view_goal_on_game;

	/* Clicked toolbar item */
	uint_least8_t toolbar_click;

	/* Current state of the toolbar menu */
	uint_least8_t toolbar_state;
};

void curs_new_game(struct app_state *state);

void curs_reenable_dialog(struct app_state *state, const char *heading);

void curs_draw_toolbar(struct app_state *state);
void curs_execute_function(struct app_state *state, int function);

#if HAVE_CURSES_MOUSE_SUPPORT
int curs_toolbar_mouse_func(struct app_state *state, int x, int y);
#else
static inline int
curs_toolbar_mouse_func(struct app_state *state, int x, int y)
{
	return 0;
}
#endif

#define MIN(a, b) ((a) < (b) ? (a) : (b))
#define MAX(a, b) ((a) > (b) ? (a) : (b))

#endif