print("Hello, ESP32!")
print ("This is pond monitoring for phase test")

#import all nescessary library
from machine import Pin, SoftI2C, PWM,I2C
import ssd1306
from utime import sleep
import HCSR04 #sensor library
import dht
from ds1307 import DS1307

#declare pin connection
sensor = dht.DHT22(Pin(15))
ultrasonic_sensor= HCSR04.HCSR04(trigger_pin=27, echo_pin=26)
i2c = SoftI2C(scl=Pin(22), sda=Pin(21))
buzzer = PWM(Pin(2),Pin.OUT)
sclPin = Pin(32) # serial clock pin
sdaPin = Pin(33) # serial data pin

i2c_object = I2C(0,              # positional argument - I2C id
                  scl = sclPin,  # named argument - serial clock pin
                  sda = sdaPin,  # named argument - serial data pin
                  freq = 400000 )# named argument - i2c frequency

result = I2C.scan(i2c_object) # scan i2c bus for available devices

print("I2C scan result : ", result)
if result != []:
    print("I2C connection successfull")
else:
    print("retry")

clockObject = DS1307(i2c_object)
clockObject.halt(False) # 32 khz crystal enable


buzzer.freq (4186)
buzzer.duty(0)
oled_width = 128
oled_height = 64
oled = ssd1306.SSD1306_I2C(oled_width, oled_height, i2c)


choice = input("Would you like to change the default date time data ( y / n ) : ")
while True:
    if choice == "y":
    
        print("set the default date time data")
        year = int(input("Year : "))
        month = int(input("month (Jan --> 1 , Dec --> 12): "))
        date = int(input("date : "))

        day = int(input("day (1 --> monday , 2 --> Tuesday ... 0 --> Sunday): ")) # 1 --> monday , 2 --> Tuesday ... 0 --> Sunday

        hour = int(input("hour (24 Hour format): "))
        minute = int(input("minute : "))
        second = int(input("second : "))

        now = (year,month,date,day,hour,minute,second,0)
        clockObject.datetime(now)

    else:
        print("Default data is not changed ")
        print("Default date time settings : ")
        default = clockObject.datetime()
        print("Year : ",default[0])
        print("month : ",default[1])
        print("date : ",default[2])
        print("day : ",default[3])
        print("hour : ",default[4])
        print("minute : ",default[5])
        print("second : ",default[6],"\n")
        #sleep(2) # time for user to read serial data properly
    
    break
while True:
    (year,month,date,day,hour,minute,second,p1)=clockObject.datetime()
    #sleep(1)
    #print(clockObject.datetime())


    sleep(2)
    sensor.measure()
    temp = sensor.temperature()
    hum = sensor.humidity()
    print('Temperature: %3.1f C' %temp)
    print('Humidity: %3.1f %%' %hum)
    objectincm = ultrasonic_sensor.distance_cm()
    objectinmm = ultrasonic_sensor.distance_mm()

    #sleep(3)
    print("Water Level=",objectincm)
    print("--------------------------------------------")
    print(clockObject.datetime())

    
    #sleep(3)

    oled.fill(0)
    oled.text('Water Level:',0,0,1)
    oled.text('Humidity:',0,20,1)
    oled.text(str(hum),70,20,1)
    oled.text("Temp:",0,30,1)
    oled.text(str(temp),70,30,1)
    

    oled.text("%",110,20,1)
    oled.text("C",100,30,1)
    oled.text(str(year),0,40,1)
    oled.text(',',30,40,1)
    oled.text(str(month),45,40,1)
    oled.text(',',60,40,1)
    oled.text(str(date),70,40,1)
    oled.text(str(hour),00,50,1)
    oled.text(',',15,50,1)
    oled.text(str(minute),25,50,1)
    oled.text(',',40,50,1)
    oled.text(str(second),50,50,1)
    oled.show()
     
   
    if objectincm >= 150:
        oled.text("Low",0,10,1)
        oled.show()
        buzzer.duty(512)
    elif objectincm <= 50:
        oled.text("High",0,10,1)
        buzzer.duty(1023)
        oled.show()
    else:
        oled.text('Normal',0,10,1)
        oled.show()
        buzzer.duty(0)
    sleep(2)