runoncepath("/lib/navigation").

function launchButtonPressed {
  // adjust torque settings here...
  local oldEpsilon is STEERINGMANAGER:TORQUEEPSILONMAX.
  set STEERINGMANAGER:TORQUEEPSILONMAX to maxEpsilon:TEXT:ToNumber().

  local oldStopTime is STEERINGMANAGER:MAXSTOPPINGTIME.
  set STEERINGMANAGER:MAXSTOPPINGTIME to maxStopTime:TEXT:ToNumber().

  run "/launch"(
    targetApo:TEXT:ToNumber(),
    gravTurnStart:TEXT:ToNumber(),
    gravPitch:TEXT:ToNumber(),
    initialPitch:TEXT:ToNumber(),
    minimumPitch:TEXT:ToNumber()
  ).

  set STEERINGMANAGER:TORQUEEPSILONMAX to oldEpsilon.
  set STEERINGMANAGER:MAXSTOPPINGTIME to oldStopTime..
}

// Main UI.
local interface is gui(250, 300).
set interface:X to 200.
set interface:Y to 700.

// Main menu elements in here.
local y is interface:AddVLayout().
local x is y:AddHLayout().

local btn is x:AddButton("TERM").
set btn:TOGGLE to true.
set btn:ONTOGGLE to {
  parameter activate.

  if activate {
    CORE:PART:GETMODULE("kOSProcessor"):DOEVENT("Open Terminal").
  } else {
    CORE:PART:GETMODULE("kOSProcessor"):DOEVENT("Close Terminal").
  }
}.

set x:AddButton("CONF"):onClick to {
    stk:ShowOnly(confMenu).
}.

set x to y:AddHLayout().

set x:AddButton("LNCH"):onClick to {
    stk:ShowOnly(launchmenu).
}.
set x:AddButton("NODE"):onClick to {
    run "/execnode".
}.

local stk is interface:AddStack().

// Build launch menu
local launchMenu is stk:AddVLayout().

set btn to launchMenu:AddButton("Execute").
set btn:onClick to launchButtonPressed@.

local launchConfig is launchMenu:AddScrollBox().

set sbox to launchConfig:AddHLayout().
sbox:AddLabel("Target Apoapsis").
local targetApo is sbox:AddTextField("80000").

set sbox to launchConfig:AddHLayout().
sbox:AddLabel("Atmo TWR").
local targetTWR is sbox:AddTextField("1.6").

set sbox to launchConfig:AddHLayout().
sbox:AddLabel("Initial Pitch").
local initialPitch is sBox:AddTextField("85").

set sbox to launchConfig:AddHLayout().
sbox:AddLabel("Minimum Pitch").
local minimumPitch is sbox:AddTextField("5").

set sbox to launchConfig:AddHLayout().
sbox:AddLabel("Gravity Turn Alt").
local gravTurnStart is sbox:AddTextField("8000").

set sbox to launchConfig:AddHLayout().
sbox:AddLabel("Gravity Turn Pitch").
local gravPitch is sbox:AddTextField("75").

launchConfig:AddSpacing(5).

set sbox to launchConfig:AddHLayout().
sbox:AddLabel("Torque Epsilon Max").
local maxEpsilon is sbox:AddTextField("0.001").

set sbox to launchConfig:AddHLayout().
sbox:AddLabel("Max Stopping Time").
local maxStopTime is sbox:AddTextField("2.0").

// End Launch Menu

// Build conf menu


// end conf menu

interface:show().

wait until false.