#! env/bin/python3

import RPi.GPIO as GPIO
import time
from datetime import datetime

def check_state(inputs):

    # Define alias variables for input devices.
    green_button = inputs['green_button']
    yellow_button = inputs['yellow_button']
    blue_button = inputs['blue_button']

    # Define state variables for each of the output devices.
    pump_state = inputs['pump']
    lamp_state = inputs['lamp']

    # Get mode and schedule information.
    mode = inputs['mode']
    hour = inputs['hour']
    minute = inputs['minute']

    # Determine state.

    # Assume no change in state.
    pump_out = pump_state
    lamp_out = lamp_state

    # Automatic mode.
    if mode == "AUTO":

        detect = False

        if 6 < hour < 22:
            lamp_out = True
            pump_out = True
        else:
            lamp_out = False
            pump_out = False

    # Manual mode.
    if mode == "MANUAL":

        detect = False
        
        # Pump Flip-Flop
        if not detect and blue_button and pump_state:
            pump_out = False
            detect = True
        if not detect and blue_button and not pump_state:
            pump_out = True
            detect = True
        # Lamp Flip-Flop
        if not detect and yellow_button and lamp_state:
            lamp_out = False
            detect = True
        if not detect and yellow_button and not lamp_state:
            lamp_out = True
            detect = True

    # Define alias variables for input devices.
    outputs = { 
        'detect' : detect,
        'pump' : pump_out,
        'lamp' : lamp_out,
    }

    return outputs