ClientSideV4

local component = require("component")
local event = require("event")
local term = require("term")
local serialization = require("serialization")
local m = component.modem
m.setStrength(10000)
m.open(1)

function getn(t)
  local count = 0
  for _ in pairs(t) do count = count + 1 end
  return count
end

function push_back(l, new_item)
  l[getn(l)+1] = new_item
end

local server = "289482dd-8962-4d7a-a662-e545001f4964"
local input
local output
local in2 = { }

term.clear()

while true do
    input = ""
    in2 = { }

    io.write("type 'help' for list of commands\n\n")

    input = io.read()
    push_back(in2, input)

    if (in2[1] == "change_password") then
        term.clear()
        print("enter username\n")
        input = io.read()
        push_back(in2, input)

        term.clear()
        print("enter old password:\n")
        input = io.read()
        push_back(in2, input)

        term.clear()
        print("enter new password:\n")
        input = io.read()
        push_back(in2, input)

        term.clear()

    elseif (in2[1] == "send") then
        term.clear()
        print("enter your username\n")
        input = io.read()
        push_back(in2, input)

        term.clear()
        print("enter username of person your sending to\n")
        input = io.read()
        push_back(in2, input)

        term.clear()
        print("enter amount you are sending\n")
        input = io.read()
        push_back(in2, input)

        term.clear()
        print("enter password for your account\n")
        input = io.read()
        push_back(in2, input)
    elseif(in2[1] == "balance") then
        term.clear()
        print("enter username\n")
        input = io.read()
        push_back(in2, input)

        term.clear()
        print("enter password\n")
        input = io.read()
        push_back(in2, input)
    elseif(in2[1] == "add_user") then
        term.clear()
        print("enter username\n")
        input = io.read()
        push_back(in2, input)

        term.clear()
        print("enter password\n")
        input = io.read()
        push_back(in2, input)

        term.clear()
        print("enter balance\n")
        input = io.read()
        push_back(in2, input)

        term.clear()
        print("enter admin pass\n")
        input = io.read()
        push_back(in2, input)
    elseif(in2[1] == "list") then
        term.clear()
        print("enter admin pass")
        input = io.read()
        push_back(in2, input)
    elseif(in2[1] == "help") then
        term.clear()
        print("changePassword: Changes account password, duh")
        print("send          : Send money from one user to another")
        print("balance       : Prints your Balance to screen")
	print("list          : Lists All users balance")
        os.sleep(10)
        term.clear()
    end

    if(in2[1] ~= "help") then
      m.send(server, 1, serialization.serialize(in2)  )
      local _, _, from, port, distance, message = event.pull(5, "modem_message")

      if(type(distance) ~= "nil") then
        local strength = (distance+1000)
        m.setStrength(strength)
        print(from)
      end
      if( (from == server) and (message ~= "I") and (message ~= "H") ) then
         term.clear()
         output = serialization.unserialize(message)
         print( tostring(output[getn(output)]) )
         os.sleep(10)
         term.clear()
      end
    end
end