from machine import Pin
from utime import sleep

# Define LED pins connected to GP2, GP3, GP4, GP5, GP6
led_pins = [Pin(0, Pin.OUT), Pin(1, Pin.OUT), Pin(2, Pin.OUT), Pin(3, Pin.OUT), Pin(4, Pin.OUT)]

# Define segment pins for the 7-segment display
segments = {
    'A': Pin(26, Pin.OUT),
    'B': Pin(22, Pin.OUT),
    'C': Pin(19, Pin.OUT),
    'D': Pin(20, Pin.OUT),
    'E': Pin(21, Pin.OUT),
    'F': Pin(27, Pin.OUT),
    'G': Pin(28, Pin.OUT)
}

# Digit to segment mapping for the 7-segment display
digit_to_segments = {
    0: ['A', 'B', 'C', 'D', 'E', 'F'],
    1: ['B', 'C'],
    2: ['A', 'B', 'D', 'E', 'G'],
    3: ['A', 'B', 'C', 'D', 'G'],
    4: ['B', 'C', 'F', 'G'],
    5: ['A', 'C', 'D', 'F', 'G'],
    6: ['A', 'C', 'D', 'E', 'F', 'G'],
    7: ['A', 'B', 'C'],
    8: ['A', 'B', 'C', 'D', 'E', 'F', 'G'],
    9: ['A', 'B', 'C', 'D', 'F', 'G'],
    '-': ['G']  # Corrected to use segment G for the minus sign
}

def light_right_to_left():
    """Light LEDs from right to left, skipping the 4th LED (index 3)."""
    for i in range(len(led_pins)-1, -1, -1):
        if i == 3:  # Skip the 4th LED
            continue
        led_pins[i].value(1)
        sleep(0.5)
        led_pins[i].value(0)

def light_left_to_right():
    """Light LEDs from left to right."""
    for i in range(len(led_pins)):
        led_pins[i].value(1)
        sleep(0.5)
        led_pins[i].value(0)

def light_custom_pattern():
    """Light LEDs in a custom pattern as specified."""
    # Start with 3rd LED (index 2)
    led_pins[2].value(1)
    sleep(0.5)
    led_pins[2].value(0)
    
    # 2nd & 4th LEDs (index 1 and 3)
    led_pins[1].value(1)
    led_pins[3].value(1)
    sleep(0.5)
    led_pins[1].value(0)
    led_pins[3].value(0)
    
    # 1st & 5th LEDs (index 0 and 4)
    led_pins[0].value(1)
    led_pins[4].value(1)
    sleep(0.5)
    led_pins[0].value(0)
    led_pins[4].value(0)
    
    # 2nd & 4th LEDs again
    led_pins[1].value(1)
    led_pins[3].value(1)
    sleep(0.5)
    led_pins[1].value(0)
    led_pins[3].value(0)
    
    # End with 3rd LED
    led_pins[2].value(1)
    sleep(0.5)
    led_pins[2].value(0)


def display_digit(digit):
    """Turn off all segments and then display the given digit."""
    # Turn off all segments first
    for seg in segments.values():
        seg.value(0)
    
    # Turn on the required segments for the given digit
    for seg in digit_to_segments.get(digit, []):
        segments[seg].value(1)

def display_number(number_str):
    """Display each digit of the number string on the 7-segment display with blinking effect."""
    for char in number_str:
        if char == '-':
            digit = '-'
        else:
            digit = int(char)
        
        display_digit(digit)
        sleep(0.5)  # Display each digit for 0.5 seconds
        # Turn off all segments to create blinking effect
        for seg in segments.values():
            seg.value(0)
        sleep(0.3)  # Blink off for 0.3 seconds

def main():
    while True:
        # Run LED patterns
        light_right_to_left()
        sleep(0.5)
        light_left_to_right()
        light_custom_pattern()  # New pattern
        sleep(0.5)
        
        # Countdown from 0 to 9 with blink effect
        for i in range(10):
            display_digit(i)
            sleep(0.5)
            # Blink off for 0.5 seconds
            for seg in segments.values():
                seg.value(0)
            sleep(0.5)
        
        # Rest for 0.5 seconds before reversing countdown
        sleep(0.5)
        
        # Reverse countdown from 9 to 0 with blink effect
        for i in range(9, -1, -1):
            display_digit(i)
            sleep(0.5)
            # Blink off for 0.5 seconds
            for seg in segments.values():
                seg.value(0)
            sleep(0.5)
        
        # Rest for 0.5 seconds before displaying the number
        sleep(0.5)
        
        # Display the number on the 7-segment display
        display_number("20275707-12345678")
        sleep(1)  # Wait a bit before starting the next cycle

if __name__ == "__main__":
    main()