# A weather station program display the date, time, temperature and humidity on the OLED screen with Air Quality and eCO2 on ZIP LEDs (Red/Green)
from PicoAirQuality import  KitronikBME688, KitronikButton, KitronikDataLogger, \
                            KitronikOLED, KitronikRTC, KitronikZIPLEDs,\
                            KitronikBuzzer
import time
from array import array
#from datetime import datetime

logFileName = "atmosphere_log.txt"
 

bme688 = KitronikBME688()
oled = KitronikOLED()
rtc = KitronikRTC()
zipleds = KitronikZIPLEDs(3)
# Python u arse hole sec = Integer()
rtc.setDate(16, 7, 2022)
rtc.setTime(12, 10, 0)

bme688.setupGasSensor()
bme688.calcBaselines()
sec = 0
#f = open(logFileName, 'a')
#f.write("# Data Logging: Date, Time, Temperature, Pressure, Humidity, AirQuality, CO2\n")

beeper  = KitronikBuzzer()
buttons = KitronikButton()

# make this array size 20. A morse char of 5 dots|dashes
# would take up 10 slots max.
#

class buttonEvent:
    mstimestamp = 0
    pinstate = 0
    def __init__(self, mststamp, pinst):
        buttonEvent.mstimestamp = mststamp
        buttonEvent.pinstate = pinst
    #def str(self):
        #return "mstimestamp:",str(mstimestamp), "pinst ",str(pinstate)
    
mmaxindex = 20
mbuf = [] # array(buttonEvent)
mindex = 0 # head new button events
mindex_t = 0 # tail unprocessed button events
mcount = 0
old_m_count = 0
last_pv = 0
#def ButtonB_r_IRQHandler(pin):
#    global buttonB
#    buttonB = 2*60 
#    print("button B pressed", buttonB)
    
def ButtonB_f_IRQHandler(pin):
    #now = time.now()
    global buttonB, last_pv
    global mbuff, mindex, mcount, mmaxindex
    pv = pin.value()
    buttonB = 2*60 # maKES leds LIGHT IN AIRq
    print("button B IRQ", time.ticks_ms(), pv)
    if last_pv == 0 and pin.value() == 0: # get get spurious 0 level ints
        print("two zero ints low level in a row") # ignore
    else:
        bollocks=buttonEvent(time.ticks_ms(),pv)
        mbuf.insert(mindex,bollocks)
        print ("bollocks", str(bollocks.mstimestamp), str(bollocks.pinstate)) # arghhh why is it not storing thsi
        print ("mbuf inserting ",str( time.ticks_ms()), str(pv), "@", str(mindex))
        b3 = mbuf[mindex]
        print ("did shit bag python actually put this in the list??", b3.pinstate, b3)
        # it would appear the shitbag python did store this
        mcount += 1
        mindex += 1
        mindex  = mindex % mmaxindex
    if pv:
        beeper.playTone(600)
    else:
        beeper.stopTone()
    last_pv = pv
        

# FALLING DOES NOT WORK AND IRQ_LOW_LEVEL not recognised
buttons.buttonB.irq(trigger=machine.Pin.IRQ_FALLING|machine.Pin.IRQ_RISING, handler=ButtonB_f_IRQHandler)
#buttons.buttonB.irq(trigger=machine.Pin.IRQ_RISING, handler=ButtonB_r_IRQHandler)

while True:
    #global old_m_count
    oled.clear()
    oled.displayText(rtc.readDateString(), 1, 25)
    oled.displayText(rtc.readTimeString(), 2, 33)
    oled.displayText(str(mcount), 4, 33)
    # process the list
    if (mcount - old_m_count) >= 2:
        print(" old_m_count != mcount >= 2")
        b1 = mbuf[(mindex_t+mmaxindex)%mmaxindex]
        b2 = mbuf[(mindex_t+1)%mmaxindex]
        # ok shitbag python why is the pinstate in that object now zero you turd
        #print("b1 index", str((mindex_t+mmaxindex)%mmaxindex), "b1 ps", str(b1.pinstate))
        #print("b2 index", str((mindex_t+mmaxindex+1)%mmaxindex), "b2 ps ", str(b2.pinstate))
        print("b1", b1, b1.pinstate)
        print("b2", b2, b2.pinstate)
        print(" b1 ps, b2 ps", b1.pinstate, b2.pinstate)
        if b1.pinstate == 1 and b2.pinstate == 0:
            print(" high to low pinstate valid press", b1.pinstate, b2.pinstate)
            # press and release found
            duration = b2.mstimestamp - b1.mstimestamp
            if duration < 300:
                oled.displayText('dit '+str(duration), 5, 33)
            else:
                oled.displayText('dah '+str(duration), 5, 33)
            mindex_t += 2;
            mindex_t = mindex_t % mmaxindex
            mcount -= 2
        else:
            print(" undefined pinstate order", b1.pinstate, b2.pinstate)
            mindex_t += 1 # that one made no sense so move up
            mindex_t = mindex_t % mmaxindex
            mcount -= 1
            oled.displayText('BAH ', 5, 33)
            old_m_count = mcount   
    oled.show()