settings

w, h = term.getSize()
os.loadAPI("iosvars")
function initialize()
  term.setBackgroundColor(colors.lightGray)
  term.clear()
  iosutils.centerAlign("System Settings", 1, colors.gray, colors.lightGray)
  iosutils.leftAlign("Background Color", 3)
  iosutils.leftAlign("Wi-Fi", 6)
  iosutils.leftAlign("Computer Label", 9)
  iosutils.leftAlign("Run IOS on Startup", 12)

  for i = 1, 16 do
    term.setCursorPos(i, 4)
    term.setBackgroundColor(iosutils.colors[i])
    term.write(" ")
  end

  iosutils.leftAlign(">", 10, colors.gray, colors.lightGray)

  function clickDetect(x, y, x2, y2)
    if select[3] >= x and select[3] <= x2 and select[4] >= y and select[4] <= y2 then
      return true
    else
      return false
    end
  end
end

function changeVars(changeBK, changeWF, changeST)
  oTemp = fs.open("temp", "w")
  for line in io.lines("iosvars") do
    --print(string.sub(line, 0, 16))
    --print(string.sub(line, 0, 5))
    if changeBK and string.sub(line, 0, 15) == "backgroundColor" then
      oTemp.writeLine("backgroundColor = iosutils.colors[" .. tostring(select[3]) .. "]")
    elseif changeWF and string.sub(line, 0, 4) == "wifi" then
      if changeWF == 1 then
        oTemp.writeLine("wifi = true")
      else
        oTemp.writeLine("wifi = false")
      end
    elseif changeST and string.sub(line, 0, 7) == "startup" then
      oTempStartup = fs.open("startuptemp", "w")
      if fs.exists("startup") then
        for ln in io.lines("startup") do
          if string.sub(ln, 0, 16) ~= "shell.run(\"ios\")" then
            oTempStartup.writeLine(ln)
          end
        end
      end
      if changeST == 1 then
        oTemp.writeLine("startup = true")
        oTempStartup.writeLine("shell.run(\"ios\")")
      else
        oTemp.writeLine("startup = false")
      end
      oTempStartup.flush()
      oTempStartup.close()
      if fs.exists("startup") then
        shell.run("delete startup")
      end
      shell.run("copy startuptemp startup")
      shell.run("delete startuptemp")
    else
      oTemp.writeLine(line)
    end
  end
  oTemp.flush()
  oTemp.close()
  shell.run("delete iosvars")
  shell.run("copy temp iosvars")
  shell.run("delete temp")
end

select = {}
select[1] = "mouse_click"
select[2] = 1
select[3] = 1
select[4] = 1
initialize()
while true do
  --detect clicks and change vars--
  if clickDetect(1, 4, 16, 4) then
    changeVars(true, false, false)
  end
  if clickDetect(1, 7, 2, 7) then
    --open iosvars and write true
    changeVars(false, 1, false)
  end
  if clickDetect(5, 7, 7, 7) then
    changeVars(false, 0, false)
  end
  if clickDetect(1, 10, 10, 10) then
    term.setCursorPos(2, 10)
    term.setBackgroundColor(colors.lightGray)
    term.setTextColor(colors.gray)
    local label = read()
    --label = string.gsub(label, "\"", "\\\"")
    label = "\"" .. label .. "\""
    shell.run("label set " .. tostring(label))
    initialize()
  end
  if clickDetect(1, 13, 3, 13) then
    changeVars(false, false, 1)
  end
  if clickDetect(6, 13, 7, 13) then
    changeVars(false, false, 0)
  end
  --write page based on vars--
  os.loadAPI("iosvars")
  if iosvars.wifi then
    iosutils.leftAlign("    Off", 7, colors.red, colors.lightGray)
    iosutils.leftAlign("On", 7, colors.green, colors.white)
    rednet.open("back")
  else
    iosutils.leftAlign("    Off", 7, colors.red, colors.white)
    iosutils.leftAlign("On  ", 7, colors.green, colors.lightGray)
    rednet.close("back")
  end
  if iosvars.startup then
    iosutils.leftAlign("     No", 13, colors.red, colors.lightGray)
    iosutils.leftAlign("Yes", 13, colors.green, colors.white)
  else
    iosutils.leftAlign("     No", 13, colors.red, colors.white)
    iosutils.leftAlign("Yes  ", 13, colors.green, colors.lightGray)
  end
  term.setCursorPos(1, 5)
  term.setBackgroundColor(iosvars.backgroundColor)
  for i = 1, 16 do
    term.write(" ")
  end
  select = {os.pullEvent("mouse_click")}
end