#include <pebble.h>

// layer-age
static Window *s_window;
static Layer *s_top_bar_layer;
static Layer *s_bottom_bar_layer;
static BitmapLayer *s_clock_bmp_layer;
static BitmapLayer *s_check_bmp_layer;

// bitmaps
static GBitmap *s_clock_bmp;
static GBitmap *s_check_bmp;

// global vars
static GColor s_bar_color = GColorMayGreen;

// constants
static const uint8_t s_edge_bar_height = ((PBL_DISPLAY_HEIGHT / 7) * 2);

static void game1_window_load() {}

static void game1_window_unload() {}

/////////////////////////////////

static void rect_fill_layer_update_proc(Layer *layer, GContext *ctx) {
	graphics_context_set_fill_color(ctx, s_bar_color);
	graphics_fill_rect(ctx, layer_get_bounds(layer), 0, GCornerNone);
}

static void setter_window_load() {
	// top&bottom bars
	GRect top_bar_grect = GRect(0, 0, PBL_DISPLAY_WIDTH, s_edge_bar_height);
	s_top_bar_layer = layer_create(top_bar_grect);
	layer_set_update_proc(s_top_bar_layer, rect_fill_layer_update_proc);
	GRect bottom_bar_grect = GRect(0, PBL_DISPLAY_HEIGHT - s_edge_bar_height, PBL_DISPLAY_WIDTH, s_edge_bar_height);
	s_bottom_bar_layer = layer_create(bottom_bar_grect);
	layer_set_update_proc(s_bottom_bar_layer, rect_fill_layer_update_proc);

	// clock icon
	s_clock_bmp = gbitmap_create_with_resource(RESOURCE_ID_CLOCK35);
	s_clock_bmp_layer = bitmap_layer_create(GRect(PBL_IF_ROUND_ELSE(0, 8), PBL_IF_ROUND_ELSE(8, 0), top_bar_grect.size.w, top_bar_grect.size.h));
	bitmap_layer_set_bitmap(s_clock_bmp_layer, s_clock_bmp);
	bitmap_layer_set_alignment(s_clock_bmp_layer, PBL_IF_ROUND_ELSE(GAlignTop, GAlignLeft));
	bitmap_layer_set_compositing_mode(s_clock_bmp_layer, GCompOpSet);

	// check icon
	s_check_bmp = gbitmap_create_with_resource(RESOURCE_ID_CHECK);
	s_check_bmp_layer = bitmap_layer_create(bottom_bar_grect);
	bitmap_layer_set_bitmap(s_check_bmp_layer, s_check_bmp);
	bitmap_layer_set_compositing_mode(s_check_bmp_layer, GCompOpSet);

	Layer *window_layer = window_get_root_layer(s_window);
	layer_add_child(window_layer, s_top_bar_layer);
	layer_add_child(window_layer, s_bottom_bar_layer);
	layer_add_child(window_layer, bitmap_layer_get_layer(s_clock_bmp_layer));
	layer_add_child(window_layer, bitmap_layer_get_layer(s_check_bmp_layer));
}

static void setter_window_unload() {
	bitmap_layer_destroy(s_check_bmp_layer);
	bitmap_layer_destroy(s_clock_bmp_layer);
	gbitmap_destroy(s_check_bmp);
	gbitmap_destroy(s_clock_bmp);
	layer_destroy(s_bottom_bar_layer);
	layer_destroy(s_top_bar_layer);
}

static void init() {
	s_window = window_create();

	switch (launch_reason()) {
	case APP_LAUNCH_WAKEUP:
		break; // TODO math time!
	default:
		window_set_window_handlers(
		    s_window,
		    (WindowHandlers){.load = setter_window_load, .unload = setter_window_unload});
		window_stack_push(s_window, false);
	};
}

static void deinit() {
	window_destroy(s_window);
}

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