# import os
# import re

# cwd = os.path.dirname(os.path.abspath(__file__))

# # file_name = 'advent2023_p1.txt'
# file_name = 'test.txt'
# advent = os.path.join(cwd, file_name)

# nums = []
# values = []

# # test = "eighthree"

# # numbers = {
# #     'one': 1, 'two': 2, 'three': 3, 'four': 4,
# #     'five': 5, 'six': 6, 'seven': 7, 'eight': 8, 'nine': 9
# # }
# numbers_to_string = {
#     'one': '1', 'two': '2', 'three': '3', 'four': '4',
#     'five': '5', 'six': '6', 'seven': '7', 'eight': '8', 'nine': '9'
# }



# with open(advent, 'r') as file:
#     for line in file: # Read lines
#         # Split the line when a digit has been found
#         digit_index = re.findall(r'(?:(one|two|three|four|five|six|seven|eight|nine)|(\d))', line)
#         # print(digit_index)
#         if digit_index:
#             # Use the tuple method to find if the value is present
#             for num,num2 in digit_index:
#                 # Always the spelled out number, convert to string digit
#                 if num:
#                     # if num in numbers:
#                     #     nums.append()
#                     nums.append(numbers_to_string[num])
#                 # Pass the string digit 
#                 if num2:
#                     nums.append(num2)
#         print(nums)
#         # values.append()
#         if len(nums) < 2:
#             num_one = nums[0]
#             num_two = num_one
#             num_join = num_one + num_two
#             values.append(int(num_join))
#         else:    
#             num_one = nums[0]
#             num_two = nums[-1]
#             num_join = num_one + num_two
#             values.append(int(num_join))
#         nums.clear()
#         # print(values)
#     # print(sum(values))
#     # print(numbers_as_integers)
    
# file.close()

import re
import os

cwd = os.path.dirname(os.path.abspath(__file__))

# file_name = 'advent2023_p1.txt'
file_name = 'test.txt'
advent = os.path.join(cwd, file_name)

def extract_numbers(text):
    # Regular expression to match digits and number words
    num_pattern = r'(?:zero|one|two|three|four|five|six|seven|eight|nine|\d)+'

    # Find all occurrences of numbers in the text
    numbers = re.findall(num_pattern, text)

    # Function to convert number words to digits
    def words_to_digits(word):
        words_to_digits_dict = {
            'zero': '0', 'one': '1', 'two': '2', 'three': '3',
            'four': '4', 'five': '5', 'six': '6', 'seven': '7',
            'eight': '8', 'nine': '9'
        }
        return ''.join(words_to_digits_dict.get(w, w) for w in re.findall(r'\w+', word))

    # Convert all number words to digits
    numbers = [words_to_digits(num) for num in numbers]

    # Find the first and last numbers in the list
    first_number = next((num for num in numbers if any(c.isdigit() for c in num)), None)
    last_number = next((num for num in reversed(numbers) if any(c.isdigit() for c in num)), None)

    return first_number, last_number

# Read text from the file
with open(advent, 'r') as file:
    lines = file.readlines()

# Initialize total sum
total_sum = 0

# Process each line in the file
for line in lines:
    # Extract first and last numbers from the line
    first_num, last_num = extract_numbers(line)

    # Calculate the sum of individual digits from the first and last numbers
    if first_num is not None and last_num is not None:
        first_sum = sum(int(digit) for digit in str(first_num))
        last_sum = sum(int(digit) for digit in str(last_num))
        line_sum = first_sum + last_sum
        total_sum += line_sum

# Print the total sum of individual digits from the first and last numbers in all lines
print("Total sum of individual digits from first and last numbers in all lines:", total_sum)