export persistence
export bopts
export failsafe
export vga
export save
have_options=true
export have_options

function options_menu {
if is_disabled options_menu ; then  return ; fi
submenu ">>> "$"Advanced Options"" <<<" --class=options --hotkey=O --id 'advanced_options' {
options
}
}

function options {
#if [ "$enable_theme" == "false" ]; then
menuentry " ===> "$"Advanced Options"" <=== "   {true}
#fi

#set_theme "options"
set_theme "l10n"
if is_enabled kernel_options    ; then  kernel_options "$kernel"        ; fi
if is_enabled desktop_options   ; then  desktop_options                 ; fi
if is_enabled persist_options   ; then  persist_options "$persistence"  ; fi
if is_enabled boot_options      ; then  boot_options "$bopts $check"    ; fi
if is_enabled failsafe_options  ; then  failsafe_options "$failsafe"    ; fi
if is_enabled console_options   ; then  console_options "$video" "$vga" ; fi
if is_enabled grubtheme_options ; then  grubtheme_options               ; fi
if is_enabled save_options      ; then  save_options "$save"            ; fi



submenu $"Power Off"" / "$"Reboot" {
menuentry " "$"Power Off"   --hotkey=P --class=halt   {halt}
menuentry " "$"Reboot"      --hotkey=R --class=reboot {reboot}
}
menuentry "<=== "$"Back to main menu" --hotkey=Q --class=cancel {
  main_menu
}

}

function p_menu_orig {
a="$1" # current
x="$2" # option
y="$3" # text
c="$4" # class/default-return
m=" "; if [ "$a" == $x ]; then m=">"; fi
menuentry "$m$x $y" $x $c --class=$c  --id=$x {persistence=$2; options_menu_reload $3}

}

function p_menu {
a="$1" # current
x="$2" # option
v="$3" # value
y="$4" # text
c="$5" # class/default-return
m=" ";
if [ "$a" == $v ]; then
m=">"
default=$v
fi
menuentry "$m$v $y" $x $v $c --class=$c  --id=$v {toggle $2 $3; options_menu_reload $4}
}

function persist_options {
persistence=$1
export persistence
c=persistence

submenu " "$"Persistence option"": $persistence" "$persistence" "$c" --hotkey=P --class=$c --id=$c {
p="$1"
a="$2"
c="$3"
load_theme options

menuentry " ===>""$p" "$a" $c --class=$c --id=$c {options_menu_reload $3}

setparams \
"persist_all   "  $"root »/« in RAM, »/home« on persistence device"      \
"persist_root  "  $"root »/« and »/home« in RAM"                         \
"persist_static"  $"root »/« and »/home« separate on persistence device" \
"p_static_root "  $"root »/« and »/home« together on persistence device" \
"persist_home  "  $"Only »/home« on persistence device"                  \
"frugal_persist"  $"Frugal like persist_all"                             \
"frugal_root   "  $"Frugal like persist_root"                            \
"frugal_static "  $"Frugal like persist_static"                          \
"f_static_root "  $"Frugal like p_static_root"                           \
"frugal_home   "  $"Frugal like persist_home"                            \
"frugal_only   "  $"Only Frugal, no persistence"

until [ "$#" == 0 ]; do
  x="$1"; y="$2"; shift; shift
  p_menu "$a" $c "$x" "$y" "$c"
done

menuentry " "$"Reset" " " $c --class=$c   {persistence=""; options_menu_reload $3}
unset a
unset c
unset x
unset y
}
}

function b_menu {

a="$1" # list of current boot options
x="$2" # option
v="$3" # value
y="$4" # text
c="$5" # class/default-return
w=$a
m="  "

if [ -n "$w" ]; then
    for z in $a; do
        if [ "$z" == $v ]; then
           m="> "
           if [ x"$default" = x"boot_options" ]; then
               default="$v"
           fi
           break;
        fi
    done
fi
menuentry "$m$v $y" $x $v $c --class=$c  --id "$v" {
toggle $2 $3
export $2
options_menu_reload $4
}
}


function boot_options {
export default
opts=""

if ! secure_boot; then
  xopts="check toram from nousb2 automount acpi invert hwclock"
  xopts="$xopts password vcard conwidth norepo store savestate"
  xopts="$xopts bootchart live_swap splasht menus efi"
  xopts="$xopts fdev noremaster rollback"
  for x in $xopts; do
    eval 'y=$'$x
    eval export $x
    if [ -n "$y" ]; then opts="$opts $y"; fi
  done
  unset xopts
  unset x
  unset y
else
  # eval won't work in debians secure boot
  if [ -n "$check"       ]; then export check       ; opts="${opts}$check "; fi
  if [ -n "$toram"       ]; then export toram       ; opts="${opts}$toram "; fi
  if [ -n "$from"        ]; then export from        ; opts="${opts}$from "; fi
  if [ -n "$fdev"        ]; then export fdev        ; opts="${opts}$fdev "; fi
  if [ -n "$nousb2"      ]; then export nousb2      ; opts="${opts}$nousb2 "; fi
  if [ -n "$automount"   ]; then export automount   ; opts="${opts}$automount "; fi
  if [ -n "$acpi"        ]; then export acpi        ; opts="${opts}$acpi "; fi
  if [ -n "$invert"      ]; then export invert      ; opts="${opts}$invert "; fi
  if [ -n "$hwclock"     ]; then export hwclock     ; opts="${opts}$hwclock "; fi
  if [ -n "$password"    ]; then export password    ; opts="${opts}$password "; fi
  if [ -n "$vcard"       ]; then export vcard       ; opts="${opts}$vcard "; fi
  if [ -n "$conwidth"    ]; then export conwidth    ; opts="${opts}$conwidth "; fi
  if [ -n "$norepo"      ]; then export norepo      ; opts="${opts}$norepo "; fi
  if [ -n "$noremaster"  ]; then export noremaster  ; opts="${opts}$noremaster"; fi
  if [ -n "$rollback"    ]; then export rollback    ; opts="${opts}$rollback"; fi
  if [ -n "$store"       ]; then export store       ; opts="${opts}$store "; fi
  if [ -n "$savestate"   ]; then export savestate   ; opts="${opts}$savestate "; fi
  if [ -n "$bootchart"   ]; then export bootchart   ; opts="${opts}$bootchart "; fi
  if [ -n "$live_swap"   ]; then export live_swap   ; opts="${opts}$live_swap "; fi
  if [ -n "$splasht"     ]; then export splasht     ; opts="${opts}$splasht "; fi
  if [ -n "$menus"       ]; then export menus       ; opts="${opts}$menus "; fi
  if [ -n "$efi"         ]; then export efi         ; opts="${opts}$efi "; fi
fi


submenu " "$"Boot options"": $opts" "$opts" boot_options --hotkey=B --class=boot_options --id=boot_options {
a="$2"
c="$3"

default=boot_options

menuentry " ===>""$1"  --class=boot_options    {default=boot_options; options_menu_reload boot_options}

setparams \
menus       "menus         " $"Show text menus"                                     \
check       "checkmd5      " $"Check integrity of the live media"                   \
check       "checkfs       " $"Check LiveUSB and persistence ext2/3/4 file systems" \
toram       "toram         " $"Copy the compressed file system to RAM"              \
from        "from=usb      " $"Finish booting from a LiveUSB"                       \
from        "from=hd       " $"Finish booting from a hard drive"                    \
from        "from=all      " $"Finish booting from a LiveUSB or hard drive"         \
noremaster  "noremaster    " $"Disable remastering even if linuxfs.new is found."   \
rollback    "rollback      " $"Roll back to the previous remastered version."       \
fdev        "fdev=ask      " $"Show frugal device selection - can be saved"         \
fdev        "fdev=select   " $"Show frugal device selection - one time, not saved"  \
norepo      "norepo        " $"Don't set repositories based on timezone."           \
hwclock     "hwclock=utc   " $"Hardware clock uses UTC (Linux)"                     \
hwclock     "hwclock=local " $"Hardware clock uses local time (Windows)"            \
hwclock     "hwclock=ask   " $"UTC or local time is asked"                          \
live_swap   "live_swap=off " $"Disable swap"                                        \
password    "password      " $"Change passwords before booting"                     \
automount   "noautomount   " $"Disable automount via fstab"                         \
automount   "automount     " $"Enable automount via fstab"                          \
acpi        "acpi=off      " $"Disable ACPI"                                        \
splasht     "splasht=      " $"Disable text-splash screen"                          \
splasht     "splasht       " $"Enable text-splash screen"                           \
invert      "i915_invert   " $"Invert video on some Intel graphics systems"         \
invert      "no_i915_invert" $"Disable Intel graphics invert"                       \
vcard       "vcard=on      " $"Enable dual video card detection"                    \
vcard       "vcard=off     " $"Disable dual video card detection"                   \
vcard       "vcard=menu    " $"Show video card detection menu"                      \
conwidth    "conwidth=off  " $"Disable console width"                               \
store       "nostore       " $"Disable LiveUSB-Storage feature"                     \
store       "dostore       " $"Enable LiveUSB-Storage feature"                      \
savestate   "savestate     " $"Save some files across reboots"                      \
savestate   "nosavestate   " $"Don't save files across reboots"                     \
nousb2      "nousb2        " $"Don't look for USB-2 devices"                        \
bootchart   "bootchart     " $"Boot Process Performance Visualization"              \
efi         "efi=runtime   " $"Enable EFI subsystem for RT-PREEMPT kernels"

until [ "$#" == 0 ]; do
  p=$1; x=$2; y="$3"; shift; shift; shift
  if is_disabled "$p"; then continue; fi
  if [ "$p" = "efi" ]; then if ! efi; then continue; fi; fi
  b_menu "$a" $p "$x" "$y" "$c"
done
unset xopts
unset x
unset y

reset_boot_options

}
}

function reset_boot_options {
menuentry " "$"Reset" --class=reset  {
unset check
unset toram
unset from
unset fdev
unset nousb2
unset automount
unset acpi
unset invert
unset hwclock
unset password
unset vcard
unset conwidth
unset norepo
unset noremaster
unset rollback
unset store
unset savestate
unset bootchart
unset live_swap
unset splasht
unset menus
unset efi

options_menu_reload boot_options
}
}

function failsafe_options {
failsafe="$1"
export failsafe
submenu " "$"Failsafe options"": $failsafe" "$failsafe" --hotkey=F --class=failsafe --id=failsafe {
v="$2"
menuentry " ===> "$"Failsafe options"": $v"  --class=failsafe    {options_menu_reload failsafe}
for x in failsafe "failsafe nomodeset" load=all noxorg  xorg=modesetting xorg=safe; do
m=" "; if [ x"$x" == x"$v" ]; then m=">"; default="'$v'"; fi
menuentry "$m""$x" "$x" --class=failsafe --id="'$x'" {toggle failsafe "$2"; options_menu_reload failsafe}
done
unset v
unset x
menuentry " "$"Reset" --class=failsafe   {failsafe=""; options_menu_reload failsafe}

}
}

function console_options {
video=$1
vga=$2
export video
submenu " "$"Console options"": $video" "$video" "$vga" --hotkey=C --class=console --id=console_options {
v="$3"
menuentry " ===>""$1" --class=console    {options_menu_reload console_options}
setparams \
         788 800x600   \
         791 1024x768  \
         794 1280x1024 \
         895 1366x768  \
         980 1600x900  \
         842 1600x1200 \
         839 1600x1200*

until [ "$#" == 0 ]; do
vg=$1; vd=$2; shift; shift
m=" "; if [ x"$vg" == x"$v" ]; then m=">"; default="'$vg'"; fi
menuentry "$m$vd" $vd $vg --class=console --id="'$vg'" {toggle video $2; toggle vga $3;  options_menu_reload console_options}
done

menuentry " "$"Reset" --class=console  {video=""; vga=""; options_menu_reload console_options}
unset v
unset m
unset vd
unset vg
}
}

function save_options {
save=$1
export save
submenu " "$"Save options"": $save" "$save" --hotkey=S --class=save_options --id='save_options' {
v="$2"

menuentry " ===>""$1" --class=save_options    {options_menu_reload save_options}

x="grubsave"; y=$"Save options (LiveUSB only)"" -> "$"GRUB menu"
m=" "; if [ x"$x" == x"$v" ]; then m=">"; default="$v"; fi
menuentry "$m$x $y" $x --class=save_options --id=$x {toggle save $2; options_menu_reload save_options}

x="gfxsave"; y=$"Save options (LiveUSB only)"" -> "$"GFX menu and GRUB menu"
m=" "; if [ x"$x" == x"$v" ]; then m=">"; default="$v"; fi
menuentry "$m$x $y" $x --class=save_options --id=$x {toggle save $2; options_menu_reload save_options}

menuentry " "$"Reset" --class=save_options   {save=""; options_menu_reload save_options}
unset v
unset x
unset y
}
}

function grubtheme_options {

if [ -z "$grub_theme" -a  -z "$disable_theme" ]; then

menuentry " "$"Disable GRUB theme" --class=grub_theme --id=grub_theme {
    grub_theme="false"
    export grub_theme
    disable_theme=true
    fonts_loaded=false
    unset theme
    load_gfxterm_fonts
    main_menu
}
fi

if [ -n "$grub_theme" -a "$grub_theme" == "false" ]; then
menuentry " "$"GRUB theme"" : "$"disabled" --class=grub_theme --id=grub_theme {true}
fi

if [ -z "$grub_theme" -a "$disable_theme" == "true" ]; then

menuentry " "$"Enable GRUB theme" --class=grub_theme --id=grub_theme {
    grub_theme="true"
    export grub_theme
    disable_theme=""
    fonts_loaded=false
    theme_loaded=false
    load_theme
    main_menu
}
fi

if [ -n "$grub_theme" -a "$grub_theme" == "true" ]; then
menuentry " "$"GRUB theme"" : "$"enabled" --class=grub_theme --id=grub_theme {true}
fi
}

# placeholder function
function desktop_options {true;}

function reset_all {
    reset_boot_options
    unset failsafe 
    unset persistence
    unset save
    unset video
    unset vga
}