-- Variables

local userauth = "debug"
local passauth = "debug"
local fullauth = 0
local admin = false

-- Functions start here

function signin()
while true do
sleep(1)
cls()
print("Enter your credentials to sign in.")
print(" ")
print("Username: ")
print("Password: ")
term.setCursorPos(11,3)
local username = read()
globaluser = username
term.setCursorPos(11,4)
local password = read("*")
    if fs.exists("appsupport/passwordlock/users/"..username) then
    userauth = "pass"
    else
    userauth = "fail"
    end
    if userauth == "pass" then
        if fs.exists("appsupport/passwordlock/users/"..username.."/password.txt") then
        -- good file found
        else
        term.setCursorPos(1,6)
        print("Account incorrectly configured! Contact an administrator.")
        end
    passcheck = fs.open("appsupport/passwordlock/users/"..username.."/password.txt", "r")
        if userauth == "pass" then
            if password == (passcheck.readAll()) then
            passcheck.close()
            passauth = "pass"
            break
            else
            passauth = "fail"
            term.setCursorPos(1,6)
            print("Incorrect username or password.")
            end
        end
    end
end
end

function admintoolsconsole()
cls()
print("Tools")
print(" ")
print(" [ Console ] ")
print("   Settings ")
print("   Manage Users  ")
print("   Shutdown Computer ")
print(" ")
print("  Access the console, you'll need to reboot to access this menu again.")
local event, param1 = os.pullEvent()
if param1 == 200 then
admintoolssd()
elseif param1 == 208 then
admintoolssettings()
elseif param1 == 28 then
-- Nothing, let them into console.
end
end

function admintoolssettings()
cls()
print("Tools")
print(" ")
print("   Console  ")
print(" [ Settings ]")
print("   Manage Users  ")
print("   Shutdown Computer ")
print(" ")
print("  Change your security settings.")
local event, param1 = os.pullEvent()
if param1 == 200 then
admintoolsconsole()
elseif param1 == 208 then
admintoolsusers()
elseif param1 == 28 then
settingsmenu1()
end
end

function admintoolsusers()
cls()
print("Tools")
print(" ")
print("   Console  ")
print("   Settings ")
print(" [ Manage Users ] ")
print("   Shutdown Computer ")
print(" ")
if admin == true then
print("  Manage the other users on your computer.")
else
print("  You do not have permission to access this.")
end
local event, param1 = os.pullEvent()
if param1 == 200 then
admintoolssettings()
elseif param1 == 208 then
admintoolssd()
elseif param1 == 28 then
    if admin == true then
    -- this happens
    elseif admin == false then
    -- this happens
    end
end
end


function admintoolssd()
cls()
print("Tools")
print(" ")
print("   Console   ")
print("   Settings ")
print("   Manage Users  ")
print(" [ Shutdown Computer ] ")
print(" ")
print("  This will shutdown your computer.")
local event, param1 = os.pullEvent()
if param1 == 200 then
admintoolsusers()
elseif param1 == 208 then
admintoolsconsole()
elseif param1 == 28 then
os.shutdown()
end
end

function settingsmenu1()
cls()
print("Settings Menu")
print(" ")
print(" [ Change Password ] ")
print("   Change Username   ")
print(" ")
print("   Return to Tools Menu  ")
local event, param1 = os.pullEvent()
if param1 == 200 then
--()
elseif param1 == 208 then
settingsmenu2()
elseif param1 == 28 then
changepass()
end
end

function settingsmenu2()
cls()
print("Settings Menu")
print(" ")
print("   Change Password  ")
print(" [ Change Username ]  ")
print(" ")
print("   Return to Tools Menu  ")
local event, param1 = os.pullEvent()
if param1 == 200 then
settingsmenu1()
elseif param1 == 208 then
settingsmenu3()
elseif param1 == 28 then
changeuser()
end
end

function settingsmenu3()
cls()
print("Settings Menu")
print(" ")
print("   Change Password  ")
print("   Change Username   ")
print(" ")
print(" [ Return to Tools Menu ] ")
local event, param1 = os.pullEvent()
if param1 == 200 then
settingsmenu2()
elseif param1 == 208 then
settingsmenu1()
elseif param1 == 28 then
admintoolssettings()
end
end


function changepass()
cls()
write("Enter a new password here: ")
changepass = read()
fs.delete("appsupport/passwordlock/users/"..globaluser.."/password.txt")
passchange = fs.open("appsupport/passwordlock/users/"..globaluser.."/password.txt", "w")
passchange.writeLine(changepass)
passchange.close()
print("Password changed to '"..changepass.."'.")
sleep(2)
settingsmenu1()
end

function changeuser()
cls()
write("Enter a new username here: ")
changeuser = read()
print(" ")
write("Changing some files.")
fs.makeDir("appsupport/passwordlock/temppass")
sleep(.3)
write(".")
fs.copy("appsupport/passwordlock/users/"..globaluser.."/password.txt", "appsupport/passwordlock/temppass")
sleep(.3)
write(".")
fs.delete("appsupport/passwordlock/users/"..globaluser)
sleep(.3)
write(".")
fs.makeDir("appsupport/passwordlock/user/"..changeuser)
sleep(.3)
write(".")
fs.copy("appsupport/passwordlock/temppass/password.txt", "appsupport/passwordlock/users/"..globaluser.."/password.txt")
    if admin == true then
    fs.delete("appsupport/passwordlock/admins/"..globaluser)
    fs.makeDir("appsupport/passwordlock/admins/"..changeuser)
    end
globaluser = changeuser
print("Username changed to '"..changeuser.."'.")
sleep(2)
settingsmenu2()
end


function cls()
term.clear()
term.setCursorPos(1,1)
end

-- Functions stop here

cls()

-- Check for new users

if fs.exists("appsupport/passwordlock/users") then
-- Users file found
else
cls()
print("It looks like this is your first time using this program.")
print(" ")
write("Please enter the username you'd like: ")
local newuser = read()
fs.makeDir("appsupport/passwordlock/users")
fs.makeDir("appsupport/passwordlock/users/"..newuser)
    while true do
    cls()
    write("Please set a password for your account: ")
    newpass = read()
        if newpass == "" then
        print("You can't have a blank password!")
        sleep(2)
        elseif newpass == " " then
        sleep(2)
        print("You can't have a blank password!")
        sleep(2)
        elseif newpass == "password" then
        print("Pick a more secure password!")
        sleep(2)
        elseif newpass == "qwertyuiop" then
        print("Pick a more secure password!")
        sleep(2)
        elseif newpass == "asdfghjkl" then
        print("Pick a more secure password!")
        sleep(2)
        elseif newpass == "zxcvbnm" then
        print("Pick a more secure password!")
        sleep(2)
        else
    break
end
end
print("Password set as '"..newpass.."'.")
passcreate = fs.open("appsupport/passwordlock/users/"..newuser.."/password.txt", "w")
passcreate.writeLine(newpass)
passcreate.close()
fs.makeDir("appsupport/passwordlock/admins/"..newuser)
newuserowner = fs.open("appsupport/passwordlock/admins/"..newuser.."/"..newuser, "w")
newuserowner.writeLine("default")
newuserowner.close()
end

signin()
term.setCursorPos(1,6)
print("Signing in...")
-- local username = globaluser / UNCOMMENT LATER!
sleep(2)
cls()
if fs.exists("appsupport/passwordlock/admins/"..globaluser) then
admin = true
end
admintoolsconsole()