if not term.isColor() then
  print("Advanced computer required")
  error()
end
print("loading...")

monitor_textScale = 0.5

Style = {
  CDefault = colors.black,
  BGDefault = colors.lightGray,

  CTitle = colors.orange,
  BGTitle = colors.black,

  CFooter =  colors.white,
  BGFooter = colors.blue,

  CWarning = colors.white,
  BGWarning = colors.red,

  CSuccess = colors.white,
  BGSuccess = colors.lime,

  CDisabled = colors.gray,
  BGDisabled = colors.blue,

  CRadarmap = colors.gray,
  BGRadarmap = colors.green,

  CRadarborder = colors.white,
  BGRadarborder = colors.black,

  CRadarself = colors.white,
  BGRadarself = colors.lime,
  TextRadarself = "R",

  CRadarother = colors.black,
  BGRadarother = colors.red,
  TextRadarother = "#"
}

----------- Monitor support

function SetMonitorColorFrontBack(frontColor, backgroundColor)
  term.setBackgroundColor(backgroundColor)
  term.setTextColor(frontColor)
  if monitors ~= nil then
    for key,monitor in pairs(monitors) do
      monitor.setTextColor(frontColor)
      monitor.setBackgroundColor(backgroundColor)
    end
  end
end

function Write(text)
  term.write(text)
  if monitors ~= nil then
    for key,monitor in pairs(monitors) do
      if key ~= data.radar_monitorIndex then
        monitor.write(text)
      end
    end
  end
end
local function getCursorPos()
  local x, y = term.getCursorPos()
  return x, y
end

function SetCursorPos(x, y)
  term.setCursorPos(x, y)
  if monitors ~= nil then
    for key,monitor in pairs(monitors) do
      if key ~= data.radar_monitorIndex then
        monitor.setCursorPos(x, y)
      end
    end
  end
end

local function getResolution()
  local sizeX, sizeY = term.getSize()
  return sizeX, sizeY
end

function SetColorDefault()
  SetMonitorColorFrontBack(Style.CDefault, Style.BGDefault)
end

function SetColorTitle()
  SetMonitorColorFrontBack(Style.CTitle, Style.BGTitle)
end

function SetColorFooter()
  SetMonitorColorFrontBack(Style.CFooter, Style.BGFooter)
end

function SetColorWarning()
  SetMonitorColorFrontBack(Style.CWarning, Style.BGWarning)
end

function SetColorSuccess()
  SetMonitorColorFrontBack(Style.CSuccess, Style.BGSuccess)
end

function SetColorDisabled()
  SetMonitorColorFrontBack(Style.CDisabled, Style.BGDisabled)
end

function SetColorNormal()
  SetMonitorColorFrontBack(Style.CDefault, Style.BGDefault)
end

function SetColorRadarmap()
  SetMonitorColorFrontBack(Style.CRadarmap, Style.BGRadarmap)
end

function SetColorRadarborder()
  SetMonitorColorFrontBack(Style.CRadarborder, Style.BGRadarborder)
end

local function clear(colorFront, colorBack)
  clearWarningTick = -1
  if CDefault == nil or BGDefault == nil then
  SetMonitorColorFrontBack(Style.CDefault, Style.BGDefault)
  else
      SetMonitorColorFrontBack(Style.CDefault, Style.BGDefault)
  end
  term.clear()
  if monitors ~= nil then
    for key, monitor in pairs(monitors) do
      if key ~= data.radar_monitorIndex then
        monitor.clear()
      end
    end
  end
  SetCursorPos(1, 1)
end

local function clearLine()
  term.clearLine()
  if monitors ~= nil then
    for key, monitor in pairs(monitors) do
      if key ~= data.radar_monitorIndex then
        monitor.clearLine()
      end
    end
  end
  local x, y = getCursorPos()
  SetCursorPos(1, y)
end

function WriteLn(text)
  Write(text)
  local x, y = term.getCursorPos()
  local width, height = term.getSize()
  if y > height - 1 then
    y = 1
  end
  SetCursorPos(1, y + 1)
end

function WriteCentered(y, text)
  local unused
  if text == nil then
    text = y
    unused, y = getCursorPos()
  end

  SetCursorPos((51 - text:len()) / 2, y)
  term.write(text)
  if monitors ~= nil then
    for key,monitor in pairs(monitors) do
      if key ~= data.radar_monitorIndex then
        local sizeX, sizeY = monitor.getSize()
		if sizeX ~= nil then
        monitor.setCursorPos((sizeX - text:len()) / 2, y)
        monitor.write(text)
       end
  end
  end
 end
  local xt, yt = term.getCursorPos()
  SetCursorPos(1, y + 1)
end
local function page_begin(text)
  clear()
  SetColorTitle()
  SetCursorPos(1, 1)
  SetColorTitle()
  clearLine()
  WriteCentered(1, text)
  SetCursorPos(1, 2)
  SetColorNormal()
end
function ShowTitle(text)
  clear()
  SetCursorPos(0, 1)
  SetColorTitle()
  clearLine()
  WriteCentered(1, text)
  SetCursorPos(1, 2)
  SetColorDefault()
end

function ShowMenu(text)
  Write(text)
  local sizeX, sizeY = term.getSize()
  local xt, yt = term.getCursorPos()
  for i = xt, sizeX do
    Write(" ")
  end
  SetCursorPos(1, yt + 1)
end

local clearWarningTick = -1
function ShowWarning(text)
  local sizeX, sizeY = term.getSize()
  SetCursorPos(1, sizeY)
  clearLine()
  SetColorWarning()
  SetCursorPos((sizeX - text:len() - 2) / 2, sizeY)
  Write(" " .. text .. " ")
  SetColorDefault()
  clearWarningTick = 5
end
function ClearWarning()
  if clearWarningTick > 0 then
    clearWarningTick = clearWarningTick - 1
  elseif clearWarningTick == 0 then
    SetColorDefault()
    local sizeX, sizeY = term.getSize()
    SetCursorPos(1, sizeY)
    clearLine()
    clearWarningTick = -1
  end
end

----------- Formatting & popups

function FormatFloat(value, nbchar)
  local str = "?"
  if value ~= nil then
    str = string.format("%g", value)
  end
  if nbchar ~= nil then
    str = string.sub("               " .. str, -nbchar)
  end
  return str
end
function FormatInteger(value, nbchar)
  local str = "?"
  if value ~= nil then
    str = string.format("%d", value)
  end
  if nbchar ~= nil then
    str = string.sub("               " .. str, -nbchar)
  end
  return str
end

function boolToYesNo(bool)
  if bool then
    return "YES"
  else
    return "no"
  end
end

function readInputNumber(currentValue)
  local inputAbort = false
  local input = string.format(currentValue)
  if input == "0" then
    input = ""
  end
  local x, y = term.getCursorPos()
  repeat
    ClearWarning()
    SetColorDefault()
    SetCursorPos(x, y)
    Write(input .. "            ")
    input = string.sub(input, -9)

    local params = { os.pullEventRaw() }
    local eventName = params[1]
    local address = params[2]
    if address == nil then address = "none" end
    if eventName == "key" then
      local keycode = params[2]
      if keycode >= 2 and keycode <= 10 then -- 1 to 9
        input = input .. string.format(keycode - 1)
      elseif keycode == 11 or keycode == 82 then -- 0 & keypad 0
        input = input .. "0"
      elseif keycode >= 79 and keycode <= 81 then -- keypad 1 to 3
        input = input .. string.format(keycode - 78)
      elseif keycode >= 75 and keycode <= 77 then -- keypad 4 to 6
        input = input .. string.format(keycode - 71)
      elseif keycode >= 71 and keycode <= 73 then -- keypad 7 to 9
        input = input .. string.format(keycode - 64)
      elseif keycode == 14 then -- Backspace
        input = string.sub(input, 1, string.len(input) - 1)
      elseif keycode == 211 then -- Delete
        input = ""
      elseif keycode == 28 then -- Enter
        inputAbort = true
      elseif keycode == 74 or keycode == 12 or keycode == 49 then -- - on numeric keypad or - on US top or n letter
        if string.sub(input, 1, 1) == "-" then
          input = string.sub(input, 2)
        else
          input = "-" .. input
        end
      elseif char == 43 or keycode == 78 then -- +
        if string.sub(input, 1, 1) == "-" then
          input = string.sub(input, 2)
        end
      else
        ShowWarning("Key " .. keycode .. " is invalid")
      end
    elseif eventName == "terminate" then
      inputAbort = true
    elseif not common_event(eventName, params[2]) then
      ShowWarning("Event '" .. eventName .. "', " .. address .. " is unsupported")
    end
  until inputAbort
  SetCursorPos(1, y + 1)
  if input == "" or input == "-" then
    return currentValue
  else
    return tonumber(input)
  end
end
function readInput(currentValue)
  local inputAbort = false
  local input = string.format(currentValue)
  local x, y = term.getCursorPos()
  Write(input)
  os.pullEventRaw() -- skip first char event
  repeat
    ClearWarning()
    SetColorDefault()
    SetCursorPos(x, y)
    Write(input .. "                              ")
    input = string.sub(input, -123)

    local params = { os.pullEventRaw() }
    local eventName = params[1]
    local address = params[2]
    if address == nil then address = "none" end
    if eventName == "key" then
      local keycode = params[2]
      if keycode == 14 then -- Backspace
        input = string.sub(input, 1, string.len(input) - 1)
      elseif keycode == 211 then -- Delete
        input = ""
      elseif keycode == 28 then -- Enter
        inputAbort = true
		end
    elseif eventName == "char" then
      local char = params[2]
      if char >= ' ' and char <= '~' then -- 1 to 9
        input = input .. char
      end
    elseif eventName == "terminate" then
      inputAbort = true
	elseif eventName == "paste" then
	  input = params[2]
    elseif not common_event(eventName, params[2]) then
      ShowWarning("Event '" .. eventName .. "', " .. address .. " is unsupported")
    end
  until inputAbort
  SetCursorPos(1, y + 1)
  if input == "" then
    return currentValue
  else
    return input
  end
end
function readInputText(currentValue)
  local inputAbort = false
  local input = string.format(currentValue)
  local x, y = term.getCursorPos()
  Write(input)
  os.pullEventRaw() -- skip first char event
  repeat
    ClearWarning()
    SetColorDefault()
    SetCursorPos(x, y)
    Write(input .. "                              ")
    input = string.sub(input, -30)

    local params = { os.pullEventRaw() }
    local eventName = params[1]
    local address = params[2]
    if address == nil then address = "none" end
    if eventName == "key" then
      local keycode = params[2]
      if keycode == 14 then -- Backspace
        input = string.sub(input, 1, string.len(input) - 1)
      elseif keycode == 211 then -- Delete
        input = ""
      elseif keycode == 28 then -- Enter
        inputAbort = true
      else
        ShowWarning("Key " .. keycode .. " is invalid")
      end
    elseif eventName == "char" then
      local char = params[2]
      if char >= ' ' and char <= '~' then -- 1 to 9
        input = input .. char
      else
        ShowWarning("Char #" .. string.byte(char) .. " is invalid")
      end
    elseif eventName == "terminate" then
      inputAbort = true
    elseif not common_event(eventName, params[2]) then
      ShowWarning("Event '" .. eventName .. "', " .. address .. " is unsupported")
    end
  until inputAbort
  SetCursorPos(1, y + 1)
  if input == "" then
    return currentValue
  else
    return input
  end
end

function readConfirmation(msg)
  if msg == nil then
    ShowWarning("Are you sure? (y/n)")
  else
    ShowWarning(msg)
  end
  repeat
    local params = { os.pullEventRaw() }
    local eventName = params[1]
    local address = params[2]
    if address == nil then address = "none" end
    if eventName == "key" then
      local keycode = params[2]
      if keycode == 21 then -- Y
        return true
      else
        return false
      end
    elseif eventName == "terminate" then
      return false
    elseif not common_event(eventName, params[2]) then
      ShowWarning("Event '" .. eventName .. "', " .. address .. " is unsupported")
    end
  until false
end

----------- commons: menu, event handlers, etc.

function common_event(eventName, param)
  if eventName == "redstone" then
    redstone_event(param)
  elseif eventName == "timer" then
    if param == radar_timerId then
      radar_timerEvent()
    end
  elseif eventName == "char" then
  elseif eventName == "key_up" then
  elseif eventName == "mouse_click" then
  elseif eventName == "mouse_up" then
  elseif eventName == "mouse_drag" then
  elseif eventName == "monitor_touch" then
  elseif eventName == "monitor_resize" then
  elseif eventName == "peripheral" then
  elseif eventName == "peripheral_detach" then
  else
    return false
  end
  return true
end

function menu_common()
  SetCursorPos(1, 18)
  SetColorFooter()
  ShowMenu(" 0 Home 1 Shields 2 Webhook                                                                                                                          ")
  SetColorDefault()
end

----------- Redstone support

local tblRedstoneState = {-- Remember redstone state on each side
  ["top"] = rs.getInput("top"),
  ["front"] = rs.getInput("front"),
  ["left"] = rs.getInput("left"),
  ["right"] = rs.getInput("right"),
  ["back"] = rs.getInput("back"),
  ["bottom"] = rs.getInput("bottom"),
}
local tblSides = {-- list all sides and offset coordinates
  ["top"   ] = { 3, 1},
  ["front" ] = { 1, 3},
  ["left"  ] = { 3, 3},
  ["right" ] = { 5, 3},
  ["back"  ] = { 5, 5},
  ["bottom"] = { 3, 5},
}

function redstone_event()
  -- Event only returns nil so we need to check sides manually
  local message = ""
  for side, state in pairs(tblRedstoneState) do
    if rs.getInput(side) ~= state then
      -- print(side .. " is now " .. tostring(rs.getInput(side)))
      message = message .. side .. " "
      tblRedstoneState[side] = rs.getInput(side)
    end
  end
  if message ~= "" then
    message = "Redstone changed on " .. message
    showWarning(message)
  end
end


----------- Shield support

forcefieldprojector_currentKey = 1
function shield_key(char, keycode)
  if char == 83 or char == 115 or keycode == 31 then -- S
    projector_start()
    return true
  elseif char == 80 or char == 112 or keycode == 25 then -- P
    projector_stop()
    return true
  end
  return false
end

function shield_page()
  SetCursorPos(0, 1)
  SetColorTitle()
  ShowTitle(label .. " - Shield Status")
  local forcefieldprojector = nil
  if forcefieldprojectors ~= nil then
    if forcefieldprojector_currentKey > #forcefieldprojectors then
      forcefieldprojector_currentKey = 1
    end
    forcefieldprojector = forcefieldprojectors[forcefieldprojector_currentKey]
  end

  SetCursorPos(1, 2)
  if #forcefieldprojectors == 0 then
    SetColorDisabled()
    Write("No Force Field Projectors detected...")
  elseif forcefieldprojector == nil or forcefieldprojector.isInterfaced() == nil then
    SetColorWarning()
    Write("Force Field Projector " .. forcefieldprojector_currentKey .. " of " .. #forcefieldprojectors .. " is invalid")
  else
    SetColorDefault()
    Write("Force Field Projector " .. forcefieldprojector_currentKey .. " of " .. #forcefieldprojectors)
    local isAssemblyValid = forcefieldprojector.getAssemblyStatus()
    local energyStored, energyMax, energyUnits = forcefieldprojector.getEnergyStatus()
    local isEnabled = forcefieldprojector.enable()
    local tier = forcefieldprojector.getTier()
--	local upgrades = forcefieldprojector.getUpgrades()
  if tier == 1 then
    tier1 = "Basic"
	tierpower = 103427
  elseif tier == 2 then
    tier1 = "Advanced"
	tierpower = 35284
  else
    tier1 = "Superior"
	tierpower = 610141
  end
    if not isAssemblyValid then
      SetColorWarning()
      SetCursorPos(1, 3)
      Write("Invalid assembly!")
      SetColorDefault()
      SetCursorPos(1, 4)
      print("Projector is missing a upgrade or shape.")
    else
      SetCursorPos(1, 4)
      Write("Assembly is valid")

      if energyStored < tierpower then
        SetColorWarning()
      else
        SetColorDefault()
      end
      SetCursorPos(1, 6)
      Write("Energy level is " .. energyStored .. " " .. energyUnits)
	  SetCursorPos(1, 7)
	  Write("Tier is " .. tier1)
	  SetCursorPos(1, 8)
--	  Write("Upgrades ")
	  SetCursorPos(1, 9)
--	  Write(" "..(upgrades and 'true' or 'false'),0,1,2,3)
	  	  SetCursorPos(1, 11)
      if isEnabled then
        if energyStored <= 500 then
          SetColorWarning()
        else
          SetColorSuccess()
        end
        Write("Projector is enabled")
      else
        SetColorWarning()
        Write("Projector is disabled")
      end
    end
  end
  os.sleep(0.1)
  forcefieldprojector_currentKey = forcefieldprojector_currentKey + 1
  SetColorDefault()
  SetCursorPos(1, 12)
  SetCursorPos(1, 13)
  SetColorFooter()
  SetCursorPos(1, 16)
  ShowMenu(" s(T)art Projector - st(O)p Projector                                  ")
  ShowMenu(" (S)tart All Projectors - sto(P) All Projectors                                  ")
  SetColorDefault()
  end

function projector_start()
  for key,forcefieldprojector in pairs(forcefieldprojectors) do
    forcefieldprojector.enable(false)
    forcefieldprojector.enable(true)
  end
end

function projector_stop()
  for key,forcefieldprojector in pairs(forcefieldprojectors) do
    forcefieldprojector.enable(false)
  end
end

----------- Configuration

function data_save()
  local file = fs.open(".shield", "w")
  if file ~= nil then
    file.writeLine(textutils.serialize(data))
    file.close()
  else
    ShowWarning("No file system")
    os.sleep(3)
  end
end

function data_read()
  data = { }
  if fs.exists(".shield") then
    local file = fs.open(".shield", "r")
    data = textutils.unserialize(file.readAll())
    file.close()
	if data == nil then data = {}; end
  end
  if data.shield_hook == nil then data.auto_hook = 0; end
end

function data_setName()
  if ship ~= nil then
    ShowTitle("<==== Set Shield name ====>")
  else
    ShowTitle("<==== Set name ====>")
  end

  SetCursorPos(1, 2)
  Write("Enter ship name: ")
  label = readInputText(label)
  os.setComputerLabel(label)
  if ship ~= nil then
    ship.coreFrequency(label)
  end
  os.reboot()
end

function string_split(source, sep)
  local sep = sep or ":"
  local fields = {}
  local pattern = string.format("([^%s]+)", sep)
  source:gsub(pattern, function(c) fields[#fields + 1] = c end)
  return fields
end

function hooks_page_config()
  ShowTitle(label .. " - Webhook configuration")

  SetCursorPos(1, 2)
    SetColorDefault()
    SetCursorPos(1, 3)
    Write("Ship Shield Webhook: ")
    hook_shieldset(readInput(data.shield_hook))
    data_save()
end
function hook_shieldset(newShield)
    data.shield_hook = newShield
end

----------- Boot sequence
math.randomseed(os.time())
label = os.getComputerLabel()
if not label then
  label = "" .. os.getComputerID()
end

-- read configuration
data_read()
clear()
print("data_read...")

-- initial scanning
monitors = {}
ShowTitle(label .. " - Connecting...")
WriteLn("")

sides = peripheral.getNames()
forcefieldprojectors = {}
warpdrivetransportercores = {}
for key,side in pairs(sides) do
  os.sleep(0)
  Write("Checking " .. side .. " ")
  local componentType = peripheral.getType(side)
  Write(componentType .. " ")
  if componentType == "warpdriveForceFieldProjector" then
    Write("wrapping!")
    table.insert(forcefieldprojectors, peripheral.wrap(side))
  elseif componentType == "monitor" then
    Write("wrapping!")
    lmonitor = peripheral.wrap(side)
    table.insert(monitors, lmonitor)
    lmonitor.setTextScale(monitor_textScale)
  end
  WriteLn("")
end

if not os.getComputerLabel() and (ship ~= nil or reactor ~= nil) then
  data_setName()
end

-- peripherals status
function connections_page()
  SetCursorPos(0, 1)
  SetColorTitle()
  ShowTitle(label .. " - Connections")

  WriteLn("")
  if #monitors == 0 then
    SetColorWarning()
    WriteLn("No Monitor detected")
  elseif #monitors == 1 then
    SetColorSuccess()
    WriteLn("1 monitor detected")
  else
    SetColorSuccess()
    WriteLn(#monitors .. " Monitors detected")
  end
    if #forcefieldprojectors == 0 then
    SetColorWarning()
    WriteLn("No Force Field Pojectors detected")
  elseif #forcefieldprojectors == 1 then
    SetColorSuccess()
    WriteLn(#"1 Force Field Projector detected")
  else
    SetColorSuccess()
    WriteLn(#forcefieldprojectors .. " Force Field Projectors detected")
  end

  WriteLn("")
  SetColorDefault()
  WriteLn("Please refer to below menu for keyboard controls")
  WriteLn("For example, press 1 to access Ship page")
end

-- peripheral boot up
clear()
connections_page()
SetColorDefault()
WriteLn("")
os.sleep(2)

-- main loop
abort = false
refresh = true
page = shield_page
keyHandler = shield_key
repeat
  ClearWarning()
  if refresh then
    clear()
    page()
    menu_common()
    refresh = false
  end
  params = { os.pullEventRaw() }
  eventName = params[1]
  address = params[2]
  if address == nil then address = "none" end
  -- WriteLn("...")
  -- WriteLn("Event '" .. eventName .. "', " .. address .. ", " .. params[3] .. ", " .. params[4] .. " received")
  -- os.sleep(0.2)
  if eventName == "key" then
    keycode = params[2]
    if char == 88 or char == 120 or keycode == 45 then -- x for eXit
      os.pullEventRaw()
      abort = true
    elseif char == 48 or keycode == 11 or keycode == 82 then -- 0
      page = connections_page
      keyHandler = nil
      refresh = true
    elseif char == 49 or keycode == 2 or keycode == 79 then -- 1
      page = shield_page
      keyHandler = shield_key
      refresh = true
    elseif char == 50 or keycode == 3 or keycode == 80 then -- 2
	  page = hooks_page_config
      keyHandler = hooks_page_key
      refresh = true
    elseif keyHandler ~= nil and keyHandler(char, keycode) then
      refresh = true
      os.sleep(0)
    elseif char == 0 then -- control chars
      refresh = false
      os.sleep(0)
    else
      ShowWarning("Key " .. keycode .. " is invalid")
      os.sleep(0.2)
    end
  elseif eventName == "reactorPulse" then
    reactor_pulse(params[2])
    refresh = (page == reactor_page)
  elseif eventName == "terminate" then
    abort = true
  elseif not common_event(eventName, params[2]) then
    ShowWarning("Event '" .. eventName .. "', " .. address .. " is unsupported")
    refresh = true
    os.sleep(0.2)
  end
until abort

-- exiting
if data.core_summon then
  data.core_summon = false
  data_save()
end

if ship ~= nil then
  ship.enable()
end

-- clear screens on exit
SetMonitorColorFrontBack(colors.white, colors.black)
term.clear()
if monitors ~= nil then
  for key,monitor in pairs(monitors) do
    monitor.clear()
  end
end
SetCursorPos(1, 1)
WriteLn("Program terminated")
WriteLn("Type startup to restart it")