# function: saving raw information from guest book
def raw_guest_book(guest_book):
    try:
        raw_file = open("guest_book.txt","a", encoding="UTF8")
    except:
        raw_file = open("guest_book.txt","w", encoding="UTF8")
    raw_file.write(guest_book+"\n")
    raw_file.close()

#main command
#input one by one until 'done'
while True:
    raw = input("Insert raw guest book's information by lines(Name,Phone no).\nWhen it is done insert 'done':")
    if raw == 'done' or raw == 'DONE':
        break
    else:
        raw_guest_book(raw)

# open task file
task_file = open("guest_book.txt","r",encoding="UTF8")
# show task file to user
contents=task_file.read()
print("\nBelow list is what you wrote on the file.")
print("-----Raw records of the guest book-----")
print(contents)
print("---------------------------------------")

# find wrong record
task_file = open("guest_book.txt","r",encoding="UTF8")
for line in task_file:
    pos = line.find(",") # find ',' position
    # seperate name and phone number
    name = line[:pos]
    phone = line[pos+1:].strip()
    # When the record matches with the conditions, skip to the next loop.
    if len(phone) == 13 and phone.find("-",3,7) == 3 and phone.find("-",8) == 8 and phone.startswith("010") ==True:
        continue
    # If the record does not match with the conditions, print out the name of wrong recorder and the wrong phone number.
    else:
        print(f"Person who wrote wrong phone no.: {name}")
        print(f"The wrong phone no.: {phone}")
        print()

def check_id(number):
    if len(number) != 14 or number.find("-") == -1 or number[6:7] != "-":  # validity check
        if (len(number) != 14 or number.find("-") == -1):
            print("Invaild input format! Please check the numbers (ex. 000000-0000000).")
        if (number[6:7] != "-"):
            print("Invaild input format! Please check the format (ex. 000000-0000000).")
        return runProcess()

    else:
        # Extract values
        year = str(number[:2])
        month = str(number[2:4])
        day = str(number[4:6])
        gender = str(number[7:8])
        s_gender = "None"

        flag = check_year(year, gender)  # check year

        if flag != False:
            # Check validity
            if gender in ["1", "3"]:
                s_gender = "Man"
            elif gender in ["2", "4"]:
                s_gender = "Woman"
            else:
                print("Invaild input! Please check the gender number.")
                return runProcess()

            return year, month, day, s_gender
        else:
            exit()


def check_year(year, gender):
    if (int(year) <= 21 & int(year) >= 0):
        q = input("Were you born after 2000? Yes(o) No(x) : ")
        if q == "o":  # born in 2000 ~ 2021
            if gender not in ["3", "4"]:
                print("Check the input! born year or gender number")
                return False
        elif q == "x":  # born in 1900 ~ 1921
            if gender not in ["1", "2"]:
                print("Check the input! born year or gender number")
                return False
        else:
            print("Check the response! (o or x)")
            check_year(year, gender)
    else:
        if gender not in ["1", "2"]:
            print("Check the input! born year or gender number")
            return False


def runProcess():
    number = input("Enter your resident registration number : ")
    return check_id(number)


# ---main---
year, month, day, gender = runProcess()
print(f"Bitrh : {year}.{month}.{day}, Gender : {gender}")