enum settings_state
{
	SETTINGS_AUDIO,
	SETTINGS_DISPLAY,
	//SETTINGS_KEYBINDINGS,
};

enum settings_state settings_state = SETTINGS_AUDIO;

void settings_scene_init() {

}

static void draw_display_settings(s32 x, s32 y, s32 w, s32 h)
{
	s32 option_spacing = 20*scale;
	s32 checkbox_s = 30*scale;
	s32 checkbox_offset = ((checkbox_s-fnt_rd24->px_h)/2);
	s32 text_y = y + option_spacing;
	s32 text_x = x + checkbox_s + option_spacing;

	#define PUSH_DISPLAY_OPTION(_str, _opt)\
	renderer->render_text(fnt_rd24, text_x, text_y, _str, COLOR_TEXT);\
	if (button_draw_background(scale, x,text_y-checkbox_offset, checkbox_s, checkbox_s, COLOR_WHITE, COLOR_BUTTON)) {\
		if (is_left_clicked()) { \
			_opt = !_opt;\
			if (&_opt == &option_vsync) platform_toggle_vsync(main_window, option_vsync);\
			if (&_opt == &option_fullscreen) platform_toggle_fullscreen(main_window, option_fullscreen);\
			audio_play_sound(snd_click, AUDIO_CHANNEL_SFX_1);\
		}\
	}\
	if (_opt) {\
		s32 tw = renderer->calculate_text_width(fnt_rd24, "X");\
		renderer->render_text(fnt_rd24, x + checkbox_s/2 - tw/2,text_y-checkbox_offset + checkbox_s/2 - fnt_rd24->px_h/2, "X", COLOR_TEXT);\
	}\
	text_y += (checkbox_s + option_spacing);

	PUSH_DISPLAY_OPTION("Vsync", option_vsync);
	PUSH_DISPLAY_OPTION("Fullscreen", option_fullscreen);
}

static void draw_audio_settings(s32 x, s32 y, s32 w, s32 h)
{
	s32 option_spacing = 20*scale;
	s32 slider_h = 30*scale;
	s32 slider_offset = ((slider_h-fnt_rd24->px_h)/2);
	s32 slider_w = w/2;
	s32 slider_x = x + slider_w;
	s32 text_y = y + option_spacing;

	// Music
	#define PUSH_VOLUME_OPTION(_text, _opt)\
	{\
		static bool is_editing = false;\
		renderer->render_text(fnt_rd24, x, text_y, _text, COLOR_TEXT);\
		s32 slider_y = text_y - slider_offset;\
		float percentage = is_editing  ? ((_global_mouse.x - (slider_x+10*scale)) / (float)(slider_w-20*scale)) : _opt;\
		if (percentage < 0.0f) percentage = 0.0f;\
		if (percentage > 1.0f) percentage = 1.0f;\
		button_draw_background_percentage(scale, slider_x,slider_y,slider_w,slider_h, COLOR_WHITE, COLOR_BUTTON, percentage, COLOR_WHITE);\
		bool hovered = mouse_interacts(slider_x,slider_y,slider_w,slider_h);\
		if (hovered && is_left_clicked()) is_editing = true;\
		if (is_editing) {\
			audio_set_mixer_volume(AUDIO_CHANNEL_SFX_1, volume_sfx*volume_global);\
			audio_set_mixer_volume(AUDIO_CHANNEL_SFX_2, volume_sfx*volume_global);\
			audio_set_music_volume(volume_music*volume_global);\
		}\
		if (is_editing) {\
			if (!is_left_down()) { is_editing = false; audio_play_sound(snd_click, AUDIO_CHANNEL_SFX_1); }\
			_opt = percentage;\
		}\
		text_y += (slider_h + option_spacing);\
	}

	PUSH_VOLUME_OPTION("Global", volume_global);
	PUSH_VOLUME_OPTION("Music", volume_music);
	PUSH_VOLUME_OPTION("Interface", volume_sfx);
}

static void settings_draw_options(platform_window* window)
{
	s32 screen_center_x = area.x + (area.w/2);
	s32 screen_center_y = area.y + (area.h/2);

	s32 panel_w = 400 * scale;
	s32 panel_h = 500 * scale;
	s32 panel_x = screen_center_x - (panel_w/2);
	s32 panel_y = screen_center_y - (panel_h/2);
	panel_render(scale, panel_x, panel_y, panel_w, panel_h);

	// Buttons
	s32 button_pad = 10*scale;
	s32 button_w = (panel_w-(button_pad*4))/2;
	s32 button_h = 37*scale;
	s32 button_y = panel_y + button_pad*1.3f;
	s32 button_x = panel_x + button_pad;

	if (button_render(scale, BUTTON_ENABLED, "Audio", button_x, button_y, button_w, button_h))
	{
		settings_state = SETTINGS_AUDIO;
	}

	if (button_render(scale, BUTTON_ENABLED, "Display", button_x + (button_w + button_pad), button_y, button_w, button_h))
	{
		settings_state = SETTINGS_DISPLAY;
	}

	//if (button_render(scale, BUTTON_ENABLED, "Keybindings", button_x + (button_w + button_pad)*2, button_y, button_w, button_h))
	//{
	//	settings_state = SETTINGS_KEYBINDINGS;
	//}

	s32 detail_pad = 25*scale;
	s32 detail_w = panel_w - (detail_pad*2)-(button_pad*2);
	s32 detail_h = panel_h - (detail_pad*2)-(button_pad*3)-button_h;
	s32 detail_x = panel_x+detail_pad+button_pad;
	s32 detail_y = button_y + button_h + detail_pad+button_pad;

	if (settings_state == SETTINGS_AUDIO) {
		draw_audio_settings(detail_x, detail_y, detail_w, detail_h);
	}
	else if (settings_state == SETTINGS_DISPLAY) {
		draw_display_settings(detail_x, detail_y, detail_w, detail_h);
	}

	// back button
	{
		s32 back_h = img_back->height * scale/2;
		s32 back_w = img_back->width * scale/2;
		s32 back_x = panel_x + (panel_w/10);
		s32 back_y = panel_y + panel_h - (back_h/2) - 1;

		if (push_back_button(scale, back_x, back_y, back_w, back_h)) {
			if (is_editing_settings_from_ingame) {
				game_set_active_scene(GAME_STATE_WORLD_MAP);
			}
			else {
				game_set_active_scene(GAME_STATE_MENU);
			}
		}
	}
}

void settings_scene_render(platform_window* window) {
	menu_draw_background(window);
	settings_draw_options(window);
}

void settings_scene_update(platform_window* window) {
	if (keyboard_is_key_pressed(KEY_ESCAPE)) {
		if (is_editing_settings_from_ingame) {
				game_set_active_scene(GAME_STATE_WORLD_MAP);
			}
			else {
				game_set_active_scene(GAME_STATE_MENU);
			}
	}
}

void settings_scene_destroy() {
	
}