# Import library untuk akses pin, PWM, I2C, waktu, dan LCD
from machine import Pin, PWM, SoftI2C
from time import sleep, ticks_ms, ticks_diff
from lcd_api import LcdApi         # Library kontrol LCD
from i2c_lcd import I2cLcd         # Library LCD via I2C

# Inisialisasi pin PWM untuk LED RGB
# LED Merah di pin 25, LED Hijau di pin 33, LED Biru di pin 32
pin_red = PWM(Pin(25), freq=19531, duty=0)   # LED Merah
pin_green = PWM(Pin(33), freq=19531, duty=0) # LED Hijau
pin_blue = PWM(Pin(32), freq=19531, duty=0)  # LED Biru

# Inisialisasi tombol utama pada pin 14 (ganti warna LED)
btn = Pin(14, Pin.IN, Pin.PULL_UP)

# Inisialisasi tombol kedua pada pin 12 (mematikan LED)
btn_off = Pin(12, Pin.IN, Pin.PULL_UP)

# LED bawaan ESP32 (biasanya digunakan sebagai indikator) di pin 2
led = Pin(2, Pin.OUT)

# Inisialisasi I2C untuk LCD (SCL: pin 22, SDA: pin 21)
i2c = SoftI2C(scl=Pin(22), sda=Pin(21), freq=400000)

# Inisialisasi LCD dengan alamat I2C 0x27, ukuran 2 baris x 16 karakter
lcd = I2cLcd(i2c, 0x27, 2, 16)

# Variabel untuk menghitung jumlah klik
click_count = 0

# Waktu debounce (ms) agar tombol tidak terdeteksi ganda
debounce_time = 300

# Waktu terakhir tombol ditekan
last_press = 0

# Fungsi untuk mematikan semua LED RGB
def all_off():
    pin_red.duty(0)
    pin_green.duty(0)
    pin_blue.duty(0)

# Fungsi untuk menampilkan pesan di LCD
def show_lcd_message(count, color_name):
    lcd.clear()
    lcd.putstr("Klik: {}\nWarna: {}".format(count, color_name))

# Loop utama program
while True:
    # Tombol untuk mematikan semua LED (GPIO 12)
    if btn_off.value() == 0 and ticks_diff(ticks_ms(), last_press) > debounce_time:
        last_press = ticks_ms()
        click_count = 0
        all_off()
        lcd.clear()
        lcd.putstr("Tombol OFF\nLampu Dimatikan")
        led.on()
        sleep(0.2)
        led.off()

        while btn_off.value() == 0:
            sleep(0.1)

    # Tombol utama (GPIO 14) untuk siklus warna LED
    if btn.value() == 0 and ticks_diff(ticks_ms(), last_press) > debounce_time:
        last_press = ticks_ms()
        click_count += 1

        if click_count > 3:
            click_count = 1

        all_off()

        if click_count == 1:
            pin_red.duty(1023)
            show_lcd_message(1, "Merah")
        elif click_count == 2:
            pin_green.duty(1023)
            show_lcd_message(2, "Hijau")
        elif click_count == 3:
            pin_blue.duty(1023)
            show_lcd_message(3, "Biru")

        led.on()
        sleep(0.2)
        led.off()

        while btn.value() == 0:
            sleep(0.1)

    sleep(0.1)