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 --[[ ICBM missile control panel by LuaCrawler
 This goes with the door and launch controller for it to work.
 
 for automatic load change the name of the file to startup and remove the extension.
 @Version: 2.0.0
 ]]
 -- License
 --[[
     ICBM control panel. Launches missiles remotely using player commands. Will have more feature in the future
     Copyright (C) 2014  LuaCrawler
 
     This program is free software: you can redistribute it and/or modify
     it under the terms of the GNU General Public License as published by
     the Free Software Foundation, either version 3 of the License, or
     any later version.
 
     This program is distributed in the hope that it will be useful,
     but WITHOUT ANY WARRANTY; without even the implied warranty of
     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
     GNU General Public License for more details.
 
     You should have received a copy of the GNU General Public License
     along with this program.  If not, see <http://www.gnu.org/licenses/>.
 ]]
 
 -- Variables
 local delay = 5
 local modem = peripheral.wrap("top")
 
 local server = 10
 
 local Chan = tonumber(os.getComputerID())
 
 local rChan = tonumber(os.getComputerID())
 
 -- Users table
 local users = {
     ["Admin"] = {["password"] = "password", ["permissions"] = "admin"},
 }
 
 local logo = {
 
 
 }
 
 local commands = {
     ["Add User"] = "Adds a user with permission. You must be a moderator or admin to add the user",
     ["Remove User"] = "Removes user. Must have moderator or admin privilages.",
     ["Launch missile"] = "Activates launch handle system,",
     ["open door"] = "Opens launch bay doors.",
     ["close door"] = "Closes launch bay doors.",
 }
 
 ----------------------------------------------------------
 
 -- Startup Function
 local function startup()
     term.clear()
     term.setCursorPos(1,1)
     term.setCursorPos(18,8)
     term.setTextColor(colors.lime)
     print("MissileCraft 1.04")
     term.setCursorPos(18,9)
     print("'Speedy Skeleton'")
     sleep(5)
     term.clear()
     term.setCursorPos(1,1)
     term.setTextColor(colors.white)
 
     modem.open( Chan )
 
 
     term.setBackgroundColor(colors.black)
     modem.open(tonumber(os.getComputerID()))
     file = fs.open("/.users", "r")
     dataT = file.readAll()
     data = textutils.unserialize(dataT)
     file.close()
     users = data
 
 end
 ----------------------------------------------------------
 local function checkUNamePasswd()
     local uName
     while (not users[uName]) or users[uName].password ~= passwd do
         term.clear()
         term.setCursorPos(1, 1)
         textutils.slowPrint("Enter username:", 25)
         local uName = read()
 -- Now check store password as variable
         term.clear()
         term.setCursorPos(1, 1)
         textutils.slowPrint("Enter your password:", 25)
         local passwd = read()
         if (not users[uName]) or users[uName].password ~= passwd then
             term.clear()
             term.setCursorPos(1, 1)
             term.setTextColor(colors.red)
             textutils.slowPrint("Incorrect password! Please try again.", 50)
             term.setTextColor(colors.white)
             print("")
         else
             break
         end
     end
 end
 ----------------------------------------------------------
 local function checkUsrNamePerm()
     local uName
     while (not users[uName]) or (users[uName].permissions ~= "admin" and users[uName].permissions ~= "moderator") do
         term.clear()
         term.setCursorPos(1, 1)
         textutils.slowPrint("Enter username for verification", 25)
         uName = read()
         if (not users[uName]) or (users[uName].permissions ~= "admin" and users[uName].permissions ~= "moderator") then
             print("You don't have enough permissions! Please try again.")
         else
             break
         end
     end
 end
 ----------------------------------------------------------
 local function save(table,users)
     local file = fs.open(".users", "w")
     file.write(textutils.serialize(users))
     file.close()
 end
 ----------------------------------------------------------
 local function addUsr(Name, password, permissions)
     users[Name] = {}
     users[Name].password = password
     users[Name].permissions = permissions
     save(users, users)
 end
 ----------------------------------------------------------
 local bar = LoadBar.init(LoadBar.ASCII_BAR_ONLY, nil, 10, 30, 14, nil, nil, nil, nil )
 local function doStuff()
     bar:setMessage( "Loading..." )
     for i = 1, 9 do
         sleep(0.5)
         bar:triggerUpdate("Initializing component("..(bar:getCurrentProgress()+1).."/9)")
     end
     bar:triggerUpdate("Done!")
 end
 ----------------------------------------------------------
 local function doBar()
     bar:run( true )
 end
 ----------------------------------------------------------
 local function missile_launch()
     -- Code here...
      os.loadAPI("/lib/LoadBar")
 
     -- Run the loading bar
     parallel.waitForAll( doBar, doStuff )
     term.clear()
     term.setBackgroundColor(colors.gray)
     term.setCursorPos(1, 1)
     for i = 1, 19 do
         print("                                                      ")
     end
     term.setTextColor(colors.yellow)
     term.setCursorPos(1, 1)
     textutils.slowPrint("Remote missile launch system" )
     textutils.slowPrint("Usage: launch <label>", 50)
     term.setTextColor(colors.white)
     lSilo = read()
     print("Confirm launch![Y/N]")
     _, char = os.pullEvent("char")
     if char == "y" then
         modem.transmit(server, rChan, lSilo)
     elseif char == "n" then
         do main_CLI() end
     end
 end
 ----------------------------------------------------------
 local function addUser_CLI()
     -- Code here...
     term.clear()
     term.setCursorPos(1, 1)
     print("User addition system")
     print("Press enter to continue")
     os.pullEvent("key")
     textutils.slowPrint("What should the user's username be?", 50)
     local name = read()
     print("What would you like "..name.."'s password to be?")
     local passwd = read()
     print("What permissions should user "..name.." have?")
     local perms = read()
     for i = 1,10 do
         term.setCursorPos(18, 30)
         sleep(.3)
     end
     addUsr(name, passwd, perms)
     save(users,users)
     print("User created!")
 end
 ----------------------------------------------------------
 local function removeUser(usr)
     -- Code here...
     users[usr].password = nil
     users[usr].permissions = nil
     users[usr] = nil
 end
 ----------------------------------------------------------
 local function removeUser_CLI()
     -- Code here...
     term.clear()
     term.setCursorPos(1, 1)
     print("User removal system")
     print("Please type the name of the user you want to remove")
     local uName = read()
     removeUser(uName)
     print("User removed!")
 end
 ---------------------------------------------------------
 local function checkLoadbarLib()
     f = fs.exists("/lib/loadBar")
     if f == true then
-  	break
+  	return false
     elseif f == false then
 	fs.makeDir("/lib")
 	shell.run("pastebin","get","zeG34tu6","LoadBar")
 	fs.move("LoadBar", "/lib/LoadBar")
     end
 end
 checkLoadbarLib()
 ----------------------------------------------------------
 local function restart()
 os.startTimer(delay)
     while true do
         local evt, p1, p2, p3, p4, p5 = os.pullEvent()
         if evt == "timer" then
             break
         elseif evt == "modem_message" then
             print(p2..":"..p4)
         end
     end
 end
 ----------------------------------------------------------
 local function main_CLI()
     -- Code here...
     term.clear()
     term.setCursorPos(1, 1)
     print("CCMC CLI")
     print("Type help for more info.")
     local cmd = read()
     if cmd == "help" then
         print("All commands are lowercase.")
         for _, v in pairs(commands) do
             print(_..":"..v)
         end
     elseif cmd == "exit" or cmd == "quit" then
         return
     end
     if cmd == "launch missile" then
         missile_launch()
     end
     if cmd == "add user" then
         checkUsrNamePerm()
         addUser_CLI()
     elseif cmd == "remove user" then
         checkUsrNamePerm()
         removeUser_CLI()
     end
     restart()
 end
 ----------------------------------------------------------
 
 startup()
 checkUNamePasswd()
 main_CLI()