import time
from pigpio_encoder.rotary import Rotary

bands = {
	"80m":[3.5, 4],
	"40m":[7, 7.3],
	"20m":[14, 14.35],
	"10m":[28, 29.7],
	"2m":[144,146],
	"70cm":[430,440]
}

band = iter(bands)
CURRENT_BAND = next(band)

def setup_encoder(ranges:list):
	def rotary_callback(counter):
		print("Counter value: ", round(counter, 2))


	my_rotary = Rotary(
		clk_gpio=17,
		dt_gpio=27,
		sw_gpio=22
	)


	my_rotary.setup_rotary(
		min=ranges[0],
		max=ranges[1],
		scale=.25,
		debounce=300,
		rotary_callback=rotary_callback
	)

	#my_rotary.watch()
	return my_rotary

def change_band(plus:bool=False, minus:bool=False):
	global CURRENT_BAND
	if plus:
		CURRENT_BAND = next(band)
	if minus:
		try:
			CURRENT_BAND = bands[list(bands)[list(bands.keys()).index(CURRENT_BAND)-1]]
			print(CURRENT_BAND)
		except Exception as e:
			print(e)

	encoder = setup_encoder(bands[CURRENT_BAND])
	print(CURRENT_BAND)
	
	return encoder

encoder = setup_encoder(bands[next(band)])

def main():
	global encoder
	while True:
		if encoder.counter >= encoder.max:
			encoder = change_band(plus=True)
		if encoder.counter <= encoder.min:
			encoder = change_band(minus=True)
		time.sleep(.5)

if __name__ == "__main__":
	main()