#include "../../neat_bar/src/c/neat_bar.h"
#include <pebble.h>

#define COUNT_PKEY 1
#define REPEAT_INTERVAL 50

static Window *s_window;
static TextLayer *s_text_layer;

static GBitmap *s_action_icon_plus;
static GBitmap *s_action_icon_minus;
static GBitmap *s_action_icon_reset;

static NeatBarLayer *s_neat_bar_layer;
static StatusBarLayer *s_status_bar_layer;

static int s_count;

void update() {
	static char buffer[10];
	snprintf(buffer, sizeof(buffer), "%i", s_count);
	text_layer_set_text(s_text_layer, buffer);
}

void increment() {
	s_count++;
}

void decrement() {
	s_count--;
}

void reset() {
	s_count = 0;
}

#if PBL_TOUCH
static void touch_handler(const TouchEvent *event, void *context) {
	if (event->type == TouchEvent_Touchdown) {
		increment();
		update();
	}
}
#endif

void select_click_handler(ClickRecognizerRef recognizer, void *context) {
	increment();
	update();
}

void down_click_handler(ClickRecognizerRef recognizer, void *context) {
	decrement();
	update();
}

void up_click_handler(ClickRecognizerRef recognizer, void *context) {
	reset();
	update();
}

void click_config_provider(void *context) {
	window_single_repeating_click_subscribe(BUTTON_ID_SELECT, REPEAT_INTERVAL, (ClickHandler)select_click_handler);
	window_single_repeating_click_subscribe(BUTTON_ID_UP, REPEAT_INTERVAL, (ClickHandler)up_click_handler);
	window_single_repeating_click_subscribe(BUTTON_ID_DOWN, REPEAT_INTERVAL, (ClickHandler)down_click_handler);
}

void window_load(Window *window) {
	Layer *window_layer = window_get_root_layer(window);

	s_neat_bar_layer = neat_bar_layer_create();
	neat_bar_layer_set_click_config_provider(s_neat_bar_layer, click_config_provider);
	neat_bar_layer_set_icon(s_neat_bar_layer, BUTTON_ID_UP, s_action_icon_reset);
	neat_bar_layer_set_icon(s_neat_bar_layer, BUTTON_ID_SELECT, s_action_icon_plus);
	neat_bar_layer_set_icon(s_neat_bar_layer, BUTTON_ID_DOWN, s_action_icon_minus);
#if PBL_RECT
	neat_bar_layer_set_icons_x_offset(s_neat_bar_layer, 0);
	neat_bar_layer_set_rect_bar_corner_radius(s_neat_bar_layer, 3);
#if PBL_DISPLAY_HEIGHT >= 228
	neat_bar_layer_set_bar_width(s_neat_bar_layer, ACTION_BAR_WIDTH - 6);
	neat_bar_layer_set_bar_height(s_neat_bar_layer, PBL_DISPLAY_HEIGHT - 28);
	neat_bar_layer_set_bar_y_offset(s_neat_bar_layer, 24);
	neat_bar_layer_set_icons_y_offset(s_neat_bar_layer, 10);
#else
	neat_bar_layer_set_bar_width(s_neat_bar_layer, ACTION_BAR_WIDTH - 10);
	neat_bar_layer_set_bar_height(s_neat_bar_layer, PBL_DISPLAY_HEIGHT - 22);
	neat_bar_layer_set_bar_y_offset(s_neat_bar_layer, 19);
	neat_bar_layer_set_icons_y_offset(s_neat_bar_layer, 8);
	neat_bar_layer_set_icons_spread(s_neat_bar_layer, 48);
	neat_bar_layer_set_animations_move_distance(s_neat_bar_layer, 2);
#endif
#endif
	neat_bar_layer_add_to_window(s_neat_bar_layer, window);

#if PBL_DISPLAY_HEIGHT >= 260 && PBL_ROUND
#define W_OFFSET 20 // TODO
#define Y_OFFSET 19 // TODO
#elif PBL_DISPLAY_HEIGHT >= 228 && PBL_RECT
#define W_OFFSET 28
#define Y_OFFSET 17
#elif PBL_DISPLAY_HEIGHT >= 180 && PBL_ROUND
#define W_OFFSET 40
#define Y_OFFSET 27
#else // 144x168
#define W_OFFSET 20
#define Y_OFFSET 19
#endif

	s_text_layer = text_layer_create(GRect(0, PBL_DISPLAY_HEIGHT / 2 - Y_OFFSET, PBL_DISPLAY_WIDTH - W_OFFSET, PBL_DISPLAY_HEIGHT));
	text_layer_set_font(s_text_layer, fonts_get_system_font(FONT_KEY_BITHAM_42_BOLD));
	text_layer_set_background_color(s_text_layer, GColorClear);
	update();
	text_layer_set_text_alignment(s_text_layer, GTextAlignmentCenter);
	layer_add_child(window_layer, text_layer_get_layer(s_text_layer));

	s_status_bar_layer = status_bar_layer_create();
	layer_add_child(window_layer, status_bar_layer_get_layer(s_status_bar_layer));
}

void window_unload(Window *window) {
	status_bar_layer_destroy(s_status_bar_layer);
	text_layer_destroy(s_text_layer);
	neat_bar_layer_destroy(s_neat_bar_layer);
}

void init() {
	s_action_icon_plus = gbitmap_create_with_resource(RESOURCE_ID_PLUS);
	s_action_icon_minus = gbitmap_create_with_resource(RESOURCE_ID_MINUS);
	s_action_icon_reset = gbitmap_create_with_resource(RESOURCE_ID_RESET);

	s_window = window_create();

	window_set_window_handlers(s_window, (WindowHandlers){
	                                         .load = window_load,
	                                         .unload = window_unload,
	                                     });

	s_count = persist_exists(COUNT_PKEY) ? persist_read_int(COUNT_PKEY) : 0;

	window_stack_push(s_window, true);

#if PBL_TOUCH
	touch_service_subscribe(touch_handler, NULL);
#endif
}

void deinit() {
#if PBL_TOUCH
	touch_service_unsubscribe();
#endif
	persist_write_int(COUNT_PKEY, s_count);
	window_destroy(s_window);
	gbitmap_destroy(s_action_icon_plus);
	gbitmap_destroy(s_action_icon_minus);
	gbitmap_destroy(s_action_icon_reset);
}

int main() {
	init();
	app_event_loop();
	deinit();
}