void save_state_select_scene_init()
{

}

static bool push_save_state_button(float scale, bool enabled, s32 x, s32 y, s32 size)
{
	if (enabled) {
		return button_render(scale, true, 0, x, y, size, size);
	}
	else {
		bool success = button_render(scale, true, 0, x, y, size, size);
		float close_size = size/3;
		float close_x = x + (size/2)-(close_size/2);
		float close_y = y + (size/2)-(close_size/2);
		renderer->render_image(img_close, close_x, close_y, close_size, close_size);
		return success;
	}

	return false;
}

static bool push_back_button(float scale, s32 back_x, s32 back_y, s32 back_w, s32 back_h)
{
	bool result = false;
	color tint = COLOR_WHITE;
	if (mouse_interacts(back_x,back_y,back_w,back_h)) {
		tint = COLOR_BUTTON_ACTIVE_TINT;
		platform_set_cursor(main_window, CURSOR_POINTER);
		if (is_left_clicked()) {
			result = true;
			audio_play_sound(snd_click, AUDIO_CHANNEL_SFX_1);
		}
	}

	renderer->render_image_tint(img_back, back_x, back_y, back_w, back_h, tint);

	font* font_sml = fnt_rd20;
	char* back_text = "Back";
	s32 back_text_width = renderer->calculate_text_width(font_sml, back_text);
	s32 text_x = back_x + (back_w/2) - (back_text_width/2) + (back_w/12);
	s32 text_y = back_y + (back_h/2) - (font_sml->px_h/2);

	renderer->render_text(font_sml, text_x+2, text_y+2, back_text, COLOR_TEXT_SHADOW);
	renderer->render_text(font_sml, text_x, text_y, back_text, COLOR_TEXT);
	return result;
}

extern world* _active_world;

static void load_save_file(s32 index)
{
	log_info("Loading save file.");
}

static void write_save_file(s32 index)
{
	log_info("Writing save file.");

	cJSON *world = cJSON_CreateObject();
	cJSON_AddItemToObject(world, "simulation_time", cJSON_CreateNumber(_active_world->simulation_time));
	cJSON_AddItemToObject(world, "start_year", cJSON_CreateNumber(_active_world->start_year));
	cJSON_AddItemToObject(world, "money", cJSON_CreateNumber(_active_world->money));
	cJSON_AddItemToObject(world, "next_id", cJSON_CreateNumber(_active_world->next_id));
	cJSON_AddItemToObject(world, "simulation_speed", cJSON_CreateNumber(_active_world->simulation_speed));
	cJSON_AddItemToObject(world, "days_since_last_random_event", cJSON_CreateNumber(_active_world->days_since_last_random_event));

	cJSON *bank = cJSON_CreateObject();
	{
		cJSON *loan1 = cJSON_CreateObject();
		cJSON_AddItemToObject(loan1, "amount", cJSON_CreateNumber(_active_world->bank_info.loan1.amount));
		cJSON_AddItemToObject(loan1, "interest", cJSON_CreateNumber(_active_world->bank_info.loan1.interest));
		cJSON_AddItemToObject(loan1, "days_left", cJSON_CreateNumber(_active_world->bank_info.loan1.days_left));
		cJSON_AddItemToObject(loan1, "monthly_payment", cJSON_CreateNumber(_active_world->bank_info.loan1.monthly_payment));
		cJSON_AddItemToObject(loan1, "is_active", cJSON_CreateNumber(_active_world->bank_info.loan1.is_active));
		cJSON_AddItemToObject(bank, "loan1", loan1);

		cJSON *loan2 = cJSON_CreateObject();
		cJSON_AddItemToObject(loan2, "amount", cJSON_CreateNumber(_active_world->bank_info.loan2.amount));
		cJSON_AddItemToObject(loan2, "interest", cJSON_CreateNumber(_active_world->bank_info.loan2.interest));
		cJSON_AddItemToObject(loan2, "days_left", cJSON_CreateNumber(_active_world->bank_info.loan2.days_left));
		cJSON_AddItemToObject(loan2, "monthly_payment", cJSON_CreateNumber(_active_world->bank_info.loan2.monthly_payment));
		cJSON_AddItemToObject(loan2, "is_active", cJSON_CreateNumber(_active_world->bank_info.loan2.is_active));
		cJSON_AddItemToObject(bank, "loan2", loan2);

		cJSON *loan3 = cJSON_CreateObject();
		cJSON_AddItemToObject(loan3, "amount", cJSON_CreateNumber(_active_world->bank_info.loan3.amount));
		cJSON_AddItemToObject(loan3, "interest", cJSON_CreateNumber(_active_world->bank_info.loan3.interest));
		cJSON_AddItemToObject(loan3, "days_left", cJSON_CreateNumber(_active_world->bank_info.loan3.days_left));
		cJSON_AddItemToObject(loan3, "monthly_payment", cJSON_CreateNumber(_active_world->bank_info.loan3.monthly_payment));
		cJSON_AddItemToObject(loan3, "is_active", cJSON_CreateNumber(_active_world->bank_info.loan3.is_active));
		cJSON_AddItemToObject(bank, "loan3", loan3);

		cJSON_AddItemToObject(world, "bank_info", bank);
	}

	cJSON *investments = cJSON_CreateObject();
	{
		cJSON_AddItemToObject(investments, "marketing", cJSON_CreateNumber(_active_world->investments.marketing));
		cJSON_AddItemToObject(investments, "human_resources", cJSON_CreateNumber(_active_world->investments.human_resources));
		cJSON_AddItemToObject(investments, "training", cJSON_CreateNumber(_active_world->investments.training));
		cJSON_AddItemToObject(investments, "legal", cJSON_CreateNumber(_active_world->investments.legal));

		cJSON_AddItemToObject(world, "investments", investments);
	}

	cJSON *log = cJSON_CreateObject();
	{
		cJSON_AddItemToObject(log, "write_cursor", cJSON_CreateNumber(_active_world->log.write_cursor));
		cJSON_AddItemToObject(log, "has_unread_messages", cJSON_CreateNumber(_active_world->log.has_unread_messages));

		cJSON* entries = cJSON_CreateArray();
		for (int i = 0; i < _active_world->log.events.length; i++)
		{
			event* e = array_at(&_active_world->log.events, i);
			cJSON *event = cJSON_CreateObject();
			cJSON_AddItemToObject(event, "type", cJSON_CreateNumber(e->type));
			cJSON_AddItemToObject(event, "message", cJSON_CreateString (e->message));
			
			cJSON_AddItemToArray(entries, event);
		}

		cJSON_AddItemToObject(log, "events", entries);
		cJSON_AddItemToObject(world, "log", log);
	}

	cJSON *locations = cJSON_CreateArray();
	{
		for (s32 i = 0; i < _active_world->locations.length; i++)
		{
			world_location* location = array_at(&_active_world->locations, i);
			if (!location->is_owned) continue;

			cJSON *loc = cJSON_CreateObject();
			cJSON_AddItemToObject(loc, "is_owned", cJSON_CreateNumber(location->is_owned));
			cJSON_AddItemToObject(loc, "purchase_year", cJSON_CreateNumber(location->purchase_year));
			cJSON_AddItemToObject(loc, "score", cJSON_CreateNumber(location->score));

			cJSON *employees = cJSON_CreateArray();
			{
				for (s32 r = 0; r < location->employees.length; r++)
				{
					employee* emp = *(employee**)array_at(&location->employees, r);

					cJSON *employee = cJSON_CreateObject();
					cJSON_AddItemToObject(employee, "id", cJSON_CreateNumber(emp->id));
					cJSON_AddItemToObject(employee, "name", cJSON_CreateString(emp->name));
					cJSON_AddItemToObject(employee, "age", cJSON_CreateNumber(emp->age));
					cJSON_AddItemToObject(employee, "experience", cJSON_CreateNumber(emp->experience));
					cJSON_AddItemToObject(employee, "salary", cJSON_CreateNumber(emp->salary));
					cJSON_AddItemToObject(employee, "happiness", cJSON_CreateNumber(emp->happiness));
					cJSON_AddItemToObject(employee, "days_below_happiness_treshold", cJSON_CreateNumber(emp->days_below_happiness_treshold));
					cJSON_AddItemToObject(employee, "current_location_id", cJSON_CreateNumber(emp->current_location_id));
					cJSON_AddItemToObject(employee, "original_location_id", cJSON_CreateNumber(emp->original_location_id));
					cJSON_AddItemToObject(employee, "active_job_id", cJSON_CreateNumber(emp->active_job_id));
					cJSON_AddItemToObject(employee, "truck_id", cJSON_CreateNumber(emp->assigned_truck ? emp->assigned_truck->id :-1));
					cJSON_AddItemToObject(employee, "portrait_hair_type", cJSON_CreateNumber(emp->portrait_hair_type));

					cJSON *c1 = cJSON_CreateObject();
					cJSON_AddItemToObject(c1, "r", cJSON_CreateNumber(emp->hair_color.r));
					cJSON_AddItemToObject(c1, "g", cJSON_CreateNumber(emp->hair_color.g));
					cJSON_AddItemToObject(c1, "b", cJSON_CreateNumber(emp->hair_color.b));
					cJSON_AddItemToObject(c1, "a", cJSON_CreateNumber(emp->hair_color.a));
					cJSON_AddItemToObject(employee, "hair_color", c1);

					cJSON *c2 = cJSON_CreateObject();
					cJSON_AddItemToObject(c2, "r", cJSON_CreateNumber(emp->face_color.r));
					cJSON_AddItemToObject(c2, "g", cJSON_CreateNumber(emp->face_color.g));
					cJSON_AddItemToObject(c2, "b", cJSON_CreateNumber(emp->face_color.b));
					cJSON_AddItemToObject(c2, "a", cJSON_CreateNumber(emp->face_color.a));
					cJSON_AddItemToObject(employee, "face_color", c2);

					cJSON *c3 = cJSON_CreateObject();
					cJSON_AddItemToObject(c3, "r", cJSON_CreateNumber(emp->body_color.r));
					cJSON_AddItemToObject(c3, "g", cJSON_CreateNumber(emp->body_color.g));
					cJSON_AddItemToObject(c3, "b", cJSON_CreateNumber(emp->body_color.b));
					cJSON_AddItemToObject(c3, "a", cJSON_CreateNumber(emp->body_color.a));
					cJSON_AddItemToObject(employee, "body_color", c3);

					cJSON_AddItemToArray(employees, employee);
				}

				cJSON_AddItemToObject(loc, "employees", employees);
			}

			// TODO: job_offers
			// TODO: resumes
			// TODO: trucks
			// TODO: insights
			// TODO: schedule
			
			cJSON_AddItemToArray(locations, loc);
		}

		cJSON_AddItemToObject(world, "locations", locations);
	}

	char* str = cJSON_Print(world);
	printf(str);
	cJSON_Delete(world);
}

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

	float vertical_pad = 20 * scale;
	float horizontal_pad = vertical_pad;
	float spacing = 5 * scale;

	s32 panel_h = 280 * scale;
	s32 panel_item_size = (panel_h - (vertical_pad*2) - (spacing*1)) / 2;
	s32 panel_w = (panel_item_size * 3) + (horizontal_pad*2) + (spacing*2);

	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);
	
	// top row
	for (s32 i = 0; i < 3; i++) {
		if (push_save_state_button(scale, 0, panel_x + horizontal_pad + (panel_item_size*i) + 
			(spacing*i), panel_y + horizontal_pad, panel_item_size)) {
				if (is_selecting_save_location) write_save_file(i);
				else load_save_file(i);
			}
	}

	// bottom row
	for (s32 i = 0; i < 3; i++) {
		if (push_save_state_button(scale, 0, panel_x + horizontal_pad + (panel_item_size*i) + (spacing*i), 
			panel_y + horizontal_pad + panel_item_size+spacing, panel_item_size)) {
				if (is_selecting_save_location) write_save_file(3 + i);
				else load_save_file(3 + i);
			}
	}

	// back button
	{
		s32 back_h = img_back->height * scale/2;
		s32 back_w = img_back->width * scale/2;
		s32 back_x = panel_x + (panel_item_size/3);
		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_selecting_save_location) {
				game_set_active_scene(GAME_STATE_WORLD_MAP);
			}
			else {
				game_set_active_scene(GAME_STATE_MENU);
			}
		}
	}
}

void save_state_select_scene_render(platform_window* window)
{
	menu_draw_background(window);
	save_state_draw_options(window);
}

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

void save_state_select_scene_destroy()
{

}