import random,csv
with open("Songs.csv","r",newline='') as csvfile:
    songs = [i for i in csv.reader(csvfile, delimiter=',')]

def main(userPosFile):
    score = 0
    playing = True
    while playing:
        song = random.choice(songs)
        print("\nThe first letter of each word in the song is",*[i[0] for i in song[0].split()],"\nThe artist is",song[1])

        for i in range(2):
            if input("\nEnter your guess of what the song might be: ").upper() == song[0].upper():
                if i == 0:
                    print("Correct, you get 3 points.")
                    score += 3
                else:
                    print("Correct, you get 1 point.")
                    score += 1
                break
            else:
                print("Inccorect guess.")
        else:
            print("\nYou ran out of guesses and lose.\nYou scored ",score)
            finish(score,userPosFile)
            playing = False

    leader()

def finish(score, pos):
    if int(scores[pos][2]) < score:
        scores[pos][2] = score
        with open("Scores.csv","w",newline='') as csvfile:
            csv.writer(csvfile, delimiter=",").writerows(scores)
    else:
        print("You have not beaten your previous high score of",scores[pos][2])

def login():
    global scores
    with open("Scores.csv","r",newline='') as csvfile:
        scores = [i for i in csv.reader(csvfile, delimiter=',')]
    name = input("Enter/Create Username: ")
    for i in range(len(scores)):
        if scores[i][0] == name:
            if input("Enter password: ") == scores[i][1]:
                print("Correct. Logging in...")
                main(i)
                break
            else:
                print("Incorrect details. Try again.\n")
                login()
                break
    else:
        if input("User not found would you like to create an account? (y/n) ") == "y":
            with open("Scores.csv","a",newline='') as csvfile:
                csv.writer(csvfile, delimiter = ",").writerow([name,input("Create password: "),0])
            print("Login in with your new account.\n")
            login()

def leader():
    l = sorted(scores, key = lambda x:int(x[2]), reverse = True)
    if len(l) <5:
        length = len(l)
    else:
        length = 5
    print("\nThe leaderboard is as follows: ")
    [print("- Position",i+1,l[i][0],"with a score of",l[i][2]) for i in range(length)]



login()