from machine import SPI, Pin
import network
import ntptime
import utime

gunler = ["Pazartesi", "Salı", "Çarşamba", "Perşembe", "Cuma", "Cumartesi", "Pazar"]

print("\nBaşladı...\n")

sta_if = network.WLAN(network.STA_IF)
utime.sleep(1)
print(sta_if.active(True))
utime.sleep(1)
print(sta_if.active())
utime.sleep(3)
sta_if.connect("Wokwi-GUEST", "")
utime.sleep(3)
print(sta_if.isconnected())
print(sta_if.ifconfig()[0])

k = 0

if(sta_if.isconnected()):
    print("İnternet bağlantisi saglandi.\n")
    k = 1
else:
    print("İnternet bağlantisi saglanmadi.\n")
    k = 0

#k = 1

def zamanAl():
    try:
        ntptime.settime()
    except OSError as e:
        print(f"Hata {e}")
        utime.sleep(2)
        zamanAl()

spi = SPI(2, baudrate=100_000)
latch = Pin(5, mode=Pin.OUT, value=1)

print("\nBasladi...\n")

saat = 0
dakika = 0

data = bytearray(4)

saat_data = bytearray(2)



#            dGFEDCBA
segment = (0b00111111, #0
           0b00000110, #1
           0b01011011, #2
           0b01001111, #3
           0b01100110, #4
           0b01101101, #5
           0b01111101, #6
           0b00000111, #7
           0b01111111, #8
           0b01101111  #9
           )

def saatYaz():
    if(saat == 0):
        saat_data = 0
    else:
        saat_data = (1 << (saat - 1))

    data[0] = 255 - segment[int(dakika % 10)]       #dk birler
    data[1] = 255 - segment[int(dakika / 10)]       #dk onlar

    if(saat == 0):
        data[2] = 0
        data[3] = 0
    else:
        data[2] = saat_data >> 8                        #saat 2.blok
        data[3] = saat_data & 0xFF                      #saat 1.blok

    latch(0)
    spi.write(data)

    utime.sleep_ms(10)
    latch(1)

if __name__ == "__main__":
    while(1):
        if(k == 1):
            if(dakika == 0):
                #a_time = utime.localtime()
                a_time = utime.localtime(utime.mktime(utime.localtime()) + (3 * 3600)) #+3
                #print(f"Local time before synchronization：{utime.localtime()}")
                print("Senkronizasyondan önceki zaman:")
                print(f"{a_time[2]:02d}/{a_time[1]:02d}/{a_time[0]:4d} {gunler[a_time[6]]}\n{a_time[3]:02d}:{a_time[4]:02d}:{a_time[5]:02d}")
                zamanAl()           
            else:     
                a_time = utime.localtime(utime.mktime(utime.localtime()) + (3 * 3600)) #+3
                #print("Local time  after synchronization：%s" %str(time.localtime()))
                print("Senkronizasyondan sonraki zaman:")
                print(f"{a_time[2]:02d}/{a_time[1]:02d}/{a_time[0]:4d} {gunler[a_time[6]]}\n{a_time[3]:02d}:{a_time[4]:02d}:{a_time[5]:02d}")
                print("")
            saat = a_time[3]
            if(saat >= 12):
                saat -= 12
            dakika = a_time[4]
            saatYaz()            
            
        else:
            print("Hata")
        utime.sleep(1)