import linecache
import random
global validation
validation = False
global usernamefile
usernamefile = open("usernames.txt")
global playernumber
playernumber = 1
global pwget
pwget = linecache.getline("passwords.txt", playernumber)
global nameget
nameget = linecache.getline("usernames.txt", playernumber)
global pwcheck
pwcheck = str(pwget[:-1])
global namecheck
namecheck = str(nameget[:-1])
global linestotal
linestotal = (len(usernamefile.readlines()))
while validation == False:
    playernumber = 1
    print("To login to the system, you need to enter a correct username and password.")
    username = input("Please enter your username.")
    password = input("Please enter your password.")
    while playernumber < (linestotal + 1) and validation == False and username == namecheck and password == pwcheck:
        validation = True
        break
    else:
        for i in range(1, linestotal):
            playernumber +=1
            if username == namecheck and password == pwcheck:
                break
            else:
                nameget = linecache.getline("usernames.txt", playernumber)
                pwget = linecache.getline("passwords.txt", playernumber)
                namecheck = str(nameget[:-1])
                pwcheck = str(pwget[:-1])
                if username == namecheck and password == pwcheck:
                    validation = True
                    break
                                                    #READ PASSWORD AND USERNAME FROM A TEXT FILE!

global score
score = 0
global IDlist
IDlist = []
global f
f = open("songname.txt")
global totallines
totallines = (len(f.readlines()))
global numberofsongs
numberofsongs = 0
print("------------------------------------------------------------")
for i in range(1,totallines):
    randomID = str(random.randint(1,totallines))
    randID = int(randomID)
    #print(randID)
    while randID in IDlist and len(IDlist) < totallines + 1:
        randomID = str(random.randint(1,totallines))
        randID = int(randomID)
    IDlist.append(randID)
    #print(IDlist)
    songartist = linecache.getline("songartists.txt", randID)
    songname = linecache.getline("songname.txt", randID)

    words = songname.split()
    letters = [word[0] for word in words]
    #print ("".join(letters))
    numberofsongs += 1
    print("The artist is: " + songartist)
    if len(songname.split()) == 1:
        print("The song name is 1 word. The first two letters are: " + songname[0] + songname[1] + ".")
    else:
        print("The song is " + str(len(letters)) + " words long. The first letters in each word are: " + " ".join(letters))
    guess = input("Can you guess the song name?")
    #numberofsongs += 1
    global answer
    answer = False
    global tries
    tries = 0
    while tries != 1:
        if str(songname[:-1].lower()) == str(guess.lower()):
            print("Your guess was correct!")
            answer = True
            print("------------------------------------------------------------")
            break
        else:
            guess = input("Try again")
            print("------------------------------------------------------------")
            tries += 1
            if str(songname[:-1].lower()) == str(guess.lower()):
                answer = True
            else:
                answer = False
    if answer == True and tries == 0:
        score += 3
    elif answer == True and tries == 1:
        print("Your guess was correct!")
        score += 1
    elif answer == False and tries == 1:
        print("Your guess was wrong!")
        print("The song was: " + songname[:-1])
        print("------------------------------------------------------------")
        break


print("The game is over!")
print("Your scored " + str(score) + "/" + str(numberofsongs*3) + " points!")
if score == numberofsongs*3:
    print("You got a perfect score!")
else:
    print("You guessed: " + str(numberofsongs - 1) + " songs correctly!")