#!/bin/bash

# Arch Linux Fast Install (archfi)
# --------------------------------
# author    : MatMoul
#             https://github.com/MatMoul
#             http://sourceforge.net/u/matmoul
# project   : https://github.com/MatMoul/archfi
#             http://sourceforge.net/projects/archfi/
# license   : LGPL-3.0 (http://opensource.org/licenses/lgpl-3.0.html)
#
# referance : https://wiki.archlinux.org/index.php/Installation_guide


apptitle="Arch Linux Fast Install (archfi) - Version: 2016.02.25.03.25.29 (GPLv3)"
baseurl=https://raw.githubusercontent.com/MatMoul/archfi/master


# --------------------------------------------------------
mainmenu(){
  if [ "$1" = "" ]; then
    nextitem="."
  else
    nextitem=$1
  fi
  options=()
  options+=("$txtlanguage" "")
  options+=("$txtsetkeymap" "(loadkeys ...)")
  options+=("$txteditor" "")
  options+=("$txtdiskpartmenu" "")
  options+=("$txtselectpartsmenu" "")
  options+=("" "")
  options+=("$txtreboot" "")
  sel=$(whiptail --backtitle "$apptitle" --title "$txtmainmenu" --menu "" --cancel-button "Exit" --default-item "$nextitem" 0 0 0 \
    "${options[@]}" \
    3>&1 1>&2 2>&3)
  if [ "$?" = "0" ]; then
    case $sel in
      "$txtlanguage")
        chooselanguage
        nextitem="$txtsetkeymap"
      ;;
      "$txtsetkeymap")
        setkeymap
        nextitem="$txteditor"
      ;;
      "$txteditor")
        chooseeditor
        nextitem="$txtdiskpartmenu"
      ;;
      "$txtdiskpartmenu")
        diskpartmenu
        nextitem="$txtselectpartsmenu"
      ;;
      "$txtselectpartsmenu")
        selectparts
        nextitem="$txtreboot"
      ;;
      "$txthelp")
        help
        nextitem="$txtreboot"
      ;;
      "$txtchangelog")
        showchangelog
        nextitem="$txtreboot"
      ;;
      "$txtreboot")
        rebootpc
        nextitem="$txtreboot"
      ;;
    esac
    mainmenu "$nextitem"
  else
    clear
  fi
}

chooselanguage(){
  options=()
  options+=("English" "(By MatMoul)")
  options+=("French" "(By MatMoul)")
  options+=("German" "(By untergrundbiber)")
  options+=("Hungarian" "(By KardiWeb)")
  options+=("Russian" "(By Anonymous_Prodject)")
  sel=$(whiptail --backtitle "$apptitle" --title "$txtlanguage" --menu "" 0 0 0 \
    "${options[@]}" \
    3>&1 1>&2 2>&3)
  if [ "$?" = "0" ]; then
    clear
    if [ "$sel" = "English" ]; then
      loadstrings
    else
      eval $(curl -L $baseurl/lng/$sel | sed '/^#/ d')
    fi
  fi
}

setkeymap(){
  #items=$(localectl list-keymaps)
  #options=()
  #for item in $items; do
  #  options+=("$item" "")
  #done
  items=$(find /usr/share/kbd/keymaps/ -type f -printf "%f\n" | sort -V)
  options=()
  for item in $items; do
    options+=("${item%%.*}" "")
  done
  keymap=$(whiptail --backtitle "$apptitle" --title "$txtsetkeymap" --menu "" 0 0 0 \
    "${options[@]}" \
    3>&1 1>&2 2>&3)
  if [ "$?" = "0" ]; then
    clear
    echo "loadkeys $keymap"
    loadkeys $keymap
    pressanykey
  fi
}

chooseeditor(){
  options=()
  options+=("nano" "")
  options+=("vim" "")
  options+=("vi" "")
  options+=("edit" "")
  sel=$(whiptail --backtitle "$apptitle" --title "$txteditor" --menu "" 0 0 0 \
    "${options[@]}" \
    3>&1 1>&2 2>&3)
  if [ "$?" = "0" ]; then
    EDITOR=$sel
  fi
}

rebootpc(){
  if (whiptail --backtitle "$apptitle" --title "$txtreboot" --yesno "$txtreboot ?" --defaultno 0 0) then
    clear
    reboot
  fi
}
# --------------------------------------------------------



# --------------------------------------------------------
diskpartmenu(){
  if [ "$1" = "" ]; then
    nextitem="."
  else
    nextitem=$1
  fi
  options=()
  if [ "$eficomputer" == "0" ]; then
    options+=("$txtautoparts (gpt)" "")
    options+=("$txtautoparts (dos)" "")
  else
    options+=("$txtautoparts (gpt,efi)" "")
    options+=("$txtautoparts (gpt)" "")
    options+=("$txtautoparts (dos)" "")
    options+=("$txtautoparts (gpt,bios+efi,noswap)" "")
  fi
  options+=("$txteditparts (cfdisk)" "")
  options+=("$txteditparts (cgdisk)" "")
  sel=$(whiptail --backtitle "$apptitle" --title "$txtdiskpartmenu" --menu "" --cancel-button "Back" --default-item "$nextitem" 0 0 0 \
    "${options[@]}" \
    3>&1 1>&2 2>&3)
  if [ "$?" = "0" ]; then
    case $sel in
      "$txtautoparts (dos)")
        diskpartautodos
        nextitem="$txtautoparts (dos)"
      ;;
      "$txtautoparts (gpt)")
        diskpartautogpt
        nextitem="$txtautoparts (gpt)"
      ;;
      "$txtautoparts (gpt,efi)")
        diskpartautoefi
        nextitem="$txtautoparts (gpt,efi)"
      ;;
      "$txtautoparts (gpt,bios+efi,noswap)")
        diskpartautoefiusb
        nextitem="$txtautoparts (gpt,bios+efi,noswap)"
      ;;
      "$txteditparts (cfdisk)")
        diskpartcfdisk
        nextitem="$txteditparts (cfdisk)"
      ;;
      "$txteditparts (cgdisk)")
        diskpartcgdisk
        nextitem="$txteditparts (cgdisk)"
      ;;
    esac
    diskpartmenu "$nextitem"
  fi
}


diskpartautodos(){
  items=$(lsblk -d -p -n -l -o NAME -e 7,11)
  options=()
  for item in $items; do
    options+=("$item" "")
  done
  device=$(whiptail --backtitle "$apptitle" --title "$txtautoparts (dos)" --menu "" 0 0 0 \
    "${options[@]}" \
    3>&1 1>&2 2>&3)
  if [ "$?" = "0" ]; then
    if (whiptail --backtitle "$apptitle" --title "$txtautoparts (dos)" --yesno "${txtautopartsconfirm//%1/$device}" --defaultno 0 0) then
      clear
      echo "$txtautopartclear"
      parted $device mklabel msdos
      sleep 1
      echo "${txtautopartcreate//%1/boot}"
      echo -e "n\np\n\n\n+512M\na\nw" | fdisk $device
      sleep 1
      echo "${txtautopartcreate//%1/swap}"
      swapsize=$(cat /proc/meminfo | grep MemTotal | awk '{ print $2 }')
      swapsize=$(($swapsize/1000))"M"
      echo -e "n\np\n\n\n+$swapsize\nt\n\n82\nw" | fdisk $device
      sleep 1
      echo "${txtautopartcreate//%1/root}"
      echo -e "n\np\n\n\n\nw" | fdisk $device
      sleep 1
      echo ""
      pressanykey
      bootdev=$device"1"
      swapdev=$device"2"
      rootdev=$device"3"
      efimode="0"
    fi
  fi
}

diskpartautogpt(){
  items=$(lsblk -d -p -n -l -o NAME -e 7,11)
  options=()
  for item in $items; do
    options+=("$item" "")
  done
  device=$(whiptail --backtitle "$apptitle" --title "$txtautoparts (gpt)" --menu "" 0 0 0 \
    "${options[@]}" \
    3>&1 1>&2 2>&3)
  if [ "$?" = "0" ]; then
    if (whiptail --backtitle "$apptitle" --title "$txtautoparts (gpt)" --yesno "${txtautopartsconfirm//%1/$device}" --defaultno 0 0) then
      clear
      echo "$txtautopartclear"
      parted $device mklabel gpt
      echo "${txtautopartcreate//%1/BIOS boot}"
      sgdisk $device -n=1:0:+31M -t=1:ef02
      echo "${txtautopartcreate//%1/boot}"
      sgdisk $device -n=2:0:+512M
      echo "${txtautopartcreate//%1/swap}"
      swapsize=$(cat /proc/meminfo | grep MemTotal | awk '{ print $2 }')
      swapsize=$(($swapsize/1000))"M"
      sgdisk $device -n=3:0:+$swapsize -t=3:8200
      echo "${txtautopartcreate//%1/root}"
      sgdisk $device -n=4:0:0
      echo ""
      pressanykey
      bootdev=$device"2"
      swapdev=$device"3"
      rootdev=$device"4"
      efimode="0"
    fi
  fi
}

diskpartautoefi(){
  items=$(lsblk -d -p -n -l -o NAME -e 7,11)
  options=()
  for item in $items; do
    options+=("$item" "")
  done
  device=$(whiptail --backtitle "$apptitle" --title "$txtautoparts (gpt,efi)" --menu "" 0 0 0 \
    "${options[@]}" \
    3>&1 1>&2 2>&3)
  if [ "$?" = "0" ]; then
    if (whiptail --backtitle "$apptitle" --title "$txtautoparts (gpt,efi)" --yesno "${txtautopartsconfirm//%1/$device}" --defaultno 0 0) then
      clear
      echo "$txtautopartclear"
      parted $device mklabel gpt
      echo "${txtautopartcreate//%1/EFI boot}"
      sgdisk $device -n=1:0:+1024M -t=1:ef00
      echo "${txtautopartcreate//%1/swap}"
      swapsize=$(cat /proc/meminfo | grep MemTotal | awk '{ print $2 }')
      swapsize=$(($swapsize/1000))"M"
      sgdisk $device -n=3:0:+$swapsize -t=3:8200
      echo "${txtautopartcreate//%1/root}"
      sgdisk $device -n=4:0:0
      echo ""
      pressanykey
      bootdev=$device"1"
      swapdev=$device"3"
      rootdev=$device"4"
      efimode="1"
    fi
  fi
}

diskpartautoefiusb(){
  items=$(lsblk -d -p -n -l -o NAME -e 7,11)
  options=()
  for item in $items; do
    options+=("$item" "")
  done
  device=$(whiptail --backtitle "$apptitle" --title "$txtautoparts (gpt,efi)" --menu "" 0 0 0 \
    "${options[@]}" \
    3>&1 1>&2 2>&3)
  if [ "$?" = "0" ]; then
    if (whiptail --backtitle "$apptitle" --title "$txtautoparts (gpt,efi)" --yesno "${txtautopartsconfirm//%1/$device}" --defaultno 0 0) then
      clear
      echo "$txtautopartclear"
      parted $device mklabel gpt
      echo "${txtautopartcreate//%1/EFI boot}"
      sgdisk $device -n=1:0:+1024M -t=1:ef00
      echo "${txtautopartcreate//%1/BIOS boot}"
      sgdisk $device -n=3:0:+31M -t=3:ef02
      echo "${txtautopartcreate//%1/root}"
      sgdisk $device -n=4:0:0
      echo "$txthybridpartcreate"
      echo -e "r\nh\n3\nN\n\nY\nN\nw\nY\n" | gdisk $device
      echo ""
      pressanykey
      bootdev=$device"1"
      swapdev=
      rootdev=$device"4"
      efimode="2"
    fi
  fi
}

diskpartcfdisk(){
  items=$(lsblk -d -p -n -l -o NAME -e 7,11)
  options=()
  for item in $items; do
    options+=("$item" "")
  done
  device=$(whiptail --backtitle "$apptitle" --title "$txteditparts (cfdisk)" --menu "" 0 0 0 \
    "${options[@]}" \
    3>&1 1>&2 2>&3)
  if [ "$?" = "0" ]; then
    clear
    cfdisk $device
  fi
}

diskpartcgdisk(){
  items=$(lsblk -d -p -n -l -o NAME -e 7,11)
  options=()
  for item in $items; do
    options+=("$item" "")
  done
  device=$(whiptail --backtitle "$apptitle" --title "$txteditparts (cfdisk)" --menu "" 0 0 0 \
    "${options[@]}" \
    3>&1 1>&2 2>&3)
  if [ "$?" = "0" ]; then
    clear
    cgdisk $device
  fi
}
# --------------------------------------------------------



# --------------------------------------------------------
selectparts(){
  items=$(lsblk -p -n -l -o NAME -e 7,11)
  options=()
  for item in $items; do
    options+=("$item" "")
  done

  bootdev=$(whiptail --backtitle "$apptitle" --title "$txtselectpartsmenu" --menu "${txtselectdevice//%1/boot}" --default-item "$bootdev" 0 0 0 \
    "none" "-" \
    "${options[@]}" \
    3>&1 1>&2 2>&3)
  if [ ! "$?" = "0" ]; then
    return 1
  else
    if [ "$bootdev" = "none" ]; then
      bootdev=
    fi
  fi

  swapdev=$(whiptail --backtitle "$apptitle" --title "$txtselectpartsmenu" --menu "${txtselectdevice//%1/swap}" --default-item "$swapdev" 0 0 0 \
    "none" "-" \
    "${options[@]}" \
    3>&1 1>&2 2>&3)
  if [ ! "$?" = "0" ]; then
    return 1
  else
    if [ "$swapdev" = "none" ]; then
      swapdev=
    fi
  fi

  rootdev=$(whiptail --backtitle "$apptitle" --title "$txtselectpartsmenu" --menu "${txtselectdevice//%1/root}" --default-item "$rootdev" 0 0 0 \
    "${options[@]}" \
    3>&1 1>&2 2>&3)
  if [ ! "$?" = "0" ]; then
    return 1
  fi

  homedev=$(whiptail --backtitle "$apptitle" --title "$txtselectpartsmenu" --menu "${txtselectdevice//%1/home}" 0 0 0 \
    "none" "-" \
    "${options[@]}" \
    3>&1 1>&2 2>&3)
  if [ ! "$?" = "0" ]; then
    return 1
  else
    if [ "$homedev" = "none" ]; then
      homedev=
    fi
  fi

  msg="$txtselecteddevices\n\n"
  msg=$msg"boot : "$bootdev"\n"
  msg=$msg"swap : "$swapdev"\n"
  msg=$msg"root : "$rootdev"\n"
  msg=$msg"home : "$homedev"\n\n"
  if (whiptail --backtitle "$apptitle" --title "$txtselectpartsmenu" --yesno "$msg" 0 0) then
    mountmenu
  fi
}
# --------------------------------------------------------



# --------------------------------------------------------
mountmenu(){
  if [ "$1" = "" ]; then
    nextitem="."
  else
    nextitem=$1
  fi
  options=()
  options+=("$txtformatdevices" "")
  options+=("$txtmount" "$txtmountdesc")
  sel=$(whiptail --backtitle "$apptitle" --title "$txtformatmountmenu" --menu "" --cancel-button "Back" --default-item "$nextitem" 0 0 0 \
    "${options[@]}" \
    3>&1 1>&2 2>&3)
  if [ "$?" = "0" ]; then
    case $sel in
      "$txtformatdevices")
        formatdevices
        nextitem="$txtmount"
      ;;
      "$txtmount")
        mountparts
        nextitem="$txtmount"
      ;;
    esac
    mountmenu "$nextitem"
  fi
}


formatdevices(){
  if (whiptail --backtitle "$apptitle" --title "$txtformatdevices" --yesno "$txtformatdeviceconfirm" --defaultno 0 0) then
    if [ ! "$bootdev" = "" ]; then
      formatbootdevice boot $bootdev
    fi
    if [ ! "$swapdev" = "" ]; then
      formatswapdevice
    fi
    formatdevice root $rootdev
    if [ ! "$homedev" = "" ]; then
      formatdevice home $homedev
    fi
  fi
}
formatbootdevice(){
  options=()
  if [ "$efimode" == "1" ]||[ "$efimode" = "2" ]; then
    options+=("fat32" "(EFI)")
  fi
  options+=("ext2" "")
  options+=("ext3" "")
  options+=("ext4" "")
  if [ ! "$efimode" = "1" ]&&[ ! "$efimode" = "2" ]; then
    options+=("fat32" "(EFI)")
  fi
  sel=$(whiptail --backtitle "$apptitle" --title "$txtformatdevice" --menu "${txtselectpartformat//%1/$1 ($2)}" 0 0 0 \
    "${options[@]}" \
    3>&1 1>&2 2>&3)
  if [ ! "$?" = "0" ]; then
    return 1
  fi
  clear
  echo "${txtformatingpart//%1/$2} $sel"
  echo "----------------------------------------------"
  case $sel in
    ext2)
      echo "mkfs.ext2 $2"
      mkfs.ext2 $2
    ;;
    ext3)
      echo "mkfs.ext3 $2"
      mkfs.ext3 $2
    ;;
    ext4)
      echo "mkfs.ext4 $2"
      mkfs.ext4 $2
    ;;
    fat32)
      echo "mkfs.fat $2"
      mkfs.fat $2
    ;;
  esac
  echo ""
  pressanykey
}
formatswapdevice(){
  clear
  echo "${txtformatingpart//%1/$swapdev} swap"
  echo "----------------------------------------------"
  echo "mkswap $swapdev"
  mkswap $swapdev
  echo ""
  pressanykey
}
formatdevice(){
  options=()
  options+=("btrfs" "")
  options+=("reiserfs" "")
  options+=("ext4" "")
  options+=("ext3" "")
  options+=("ext2" "")
  options+=("xfs" "")
  options+=("jfs" "")
  if [ ! "$3" = "noluks" ]; then
    options+=("luks" "encrypted")
  fi
  sel=$(whiptail --backtitle "$apptitle" --title "$txtformatdevice" --menu "${txtselectpartformat//%1/$1 ($2)}" 0 0 0 \
    "${options[@]}" \
    3>&1 1>&2 2>&3)
  if [ ! "$?" = "0" ]; then
    return 1
  fi
  clear
  echo "${txtformatingpart//%1/$2} $sel"
  echo "----------------------------------------------"
  case $sel in
    btrfs)
      echo "mkfs.btrfs -f $2"
      mkfs.btrfs -f $2
    ;;
    reiserfs)
      echo "mkfs.reiserfs -f $2"
      mkfs.reiserfs -f $2
    ;;
    ext4)
      echo "mkfs.ext4 $2"
      mkfs.ext4 $2
    ;;
    ext3)
      echo "mkfs.ext3 $2"
      mkfs.ext3 $2
    ;;
    ext2)
      echo "mkfs.ext2 $2"
      mkfs.ext2 $2
    ;;
    xfs)
      echo "mkfs.xfs -f $2"
      mkfs.xfs -f $2
    ;;
    jfs)
      echo "mkfs.xfs -f $2"
      mkfs.jfs -f $2
    ;;
    luks)
      echo "$txtcreateluksdevice"
      echo "cryptsetup luksFormat $2"
      cryptsetup luksFormat $2
      if [ ! "$?" = "0" ]; then
        pressanykey
        return 1
      fi
      pressanykey
      echo ""
      echo "$txtopenluksdevice"
      echo "cryptsetup luksOpen $2 $1"
      cryptsetup luksOpen $2 $1
      if [ ! "$?" = "0" ]; then
        pressanykey
        return 1
      fi
      pressanykey
      options=()
      options+=("normal" "")
      options+=("fast" "")
      sel=$(whiptail --backtitle "$apptitle" --title "$txtformatdevice" --menu "Wipe device ?" --cancel-button="Ignore" 0 0 0 \
        "${options[@]}" \
        3>&1 1>&2 2>&3)
      if [ "$?" = "0" ]; then
        case $sel in
          normal)
            echo "dd if=/dev/zero of=/dev/mapper/$1"
            dd if=/dev/zero of=/dev/mapper/$1 & PID=$! &>/dev/null
          ;;
          fast)
            echo "dd if=/dev/zero of=/dev/mapper/$1 bs=60M"
            dd if=/dev/zero of=/dev/mapper/$1 bs=60M & PID=$! &>/dev/null
          ;;
        esac
        clear
        sleep 1
        while kill -USR1 $PID &>/dev/null
        do
          sleep 1
        done
      fi
      echo ""
      pressanykey
      formatdevice $1 /dev/mapper/$1 noluks
      if [ "$1" = "root" ]; then
        rootdev=/dev/mapper/$1
        luksroot=1
        luksrootuuid=$(cryptsetup luksUUID $2)
      else
        case $1 in
          home) homedev=/dev/mapper/$1 ;;
        esac
        luksdrive=1
        crypttab="\n$1    UUID=$(cryptsetup luksUUID $2)    none"
      fi
      echo ""
      echo "$txtluksdevicecreated"
    ;;
  esac
  echo ""
  pressanykey
}

mountparts(){
  clear
  echo "mount $rootdev /mnt"
  mount $rootdev /mnt
  echo "mkdir /mnt/{boot,home}"
  mkdir /mnt/{boot,home} 2>/dev/null
  if [ ! "$bootdev" = "" ]; then
    echo "mount $bootdev /mnt/boot"
    mount $bootdev /mnt/boot
  fi
  if [ ! "$swapdev" = "" ]; then
    echo "swapon $swapdev"
    swapon $swapdev
  fi
  if [ ! "$homedev" = "" ]; then
    echo "mount $homedev /mnt/home"
    mount $homedev /mnt/home
  fi
  pressanykey
  installmenu
}
# --------------------------------------------------------



# --------------------------------------------------------
installmenu(){
  if [ "$1" = "" ]; then
    nextitem="$txtinstallarchlinux"
  else
    nextitem=$1
  fi
  options=()
  options+=("$txteditmirrorlist" "($txtoptional)")
  options+=("$txtinstallarchlinux" "pacstrap base")
  options+=("$txtconfigarchlinux" "")
  sel=$(whiptail --backtitle "$apptitle" --title "$txtinstallmenu" --menu "" --cancel-button "Unmount" --default-item "$nextitem" 0 0 0 \
    "${options[@]}" \
    3>&1 1>&2 2>&3)
  if [ "$?" = "0" ]; then
    case $sel in
      "$txteditmirrorlist")
        $EDITOR /etc/pacman.d/mirrorlist
        nextitem="$txtinstallarchlinux"
      ;;
      "$txtinstallarchlinux")
        installbase
        nextitem="$txtconfigarchlinux"
      ;;
      "$txtconfigarchlinux")
        archmenu
        nextitem="$txtconfigarchlinux"
      ;;
    esac
    installmenu "$nextitem"
  else
    unmountdevices
  fi
}

installbase(){
  clear
  echo "pacstrap /mnt base"
  pacstrap /mnt base
  pressanykey
}

unmountdevices(){
  clear
  echo "umount -R /mnt"
  umount -R /mnt
  if [ ! "$swapdev" = "" ]; then
    echo "swapoff $swapdev"
    swapoff $swapdev
  fi
  pressanykey
}
# --------------------------------------------------------



# --------------------------------------------------------
archmenu(){
  if [ "$1" = "" ]; then
    nextitem="."
  else
    nextitem=$1
  fi
  options=()
  options+=("$txtsethostname" "/etc/hostname")
  options+=("$txtsetkeymap" "/etc/vconsole.conf")
  options+=("$txtsetlocale" "/etc/locale.conf, /etc/locale.gen")
  options+=("$txtsettime" "/etc/localtime")
  options+=("$txtsetrootpassword" "")
  options+=("${txtgenerate//%1/fstab}" "")
  if [ "$luksdrive" = "1" ]; then
    options+=("${txtgenerate//%1/crypttab}" "")
  fi
  if [ "$luksroot" = "1" ]; then
    options+=("${txtgenerate//%1/mkinitcpio.conf}" "(encrypt hooks)")
  fi
  options+=("${txtedit//%1/fstab}" "($txtoptional)")
  options+=("${txtedit//%1/crypttab}" "($txtoptional)")
  options+=("${txtedit//%1/mkinitcpio.conf}" "($txtoptional)")
  options+=("${txtedit//%1/mirrorlist}" "($txtoptional)")
  options+=("${txtinstall//%1/grub}" "pacstrap grub (efibootmgr), grub-mkconfig")
  options+=("${txtedit//%1/grub}" "($txtoptional)")
  options+=("${txtinstall//%1/bootloader}" "grub-install")
  options+=("${txtenable//%1/dhcpcd}" "systemctl enable dhcpd")
  options+=("archdi" "$txtarchdidesc")
  sel=$(whiptail --backtitle "$apptitle" --title "$txtarchinstallmenu" --menu "" --cancel-button "Back" --default-item "$nextitem" 0 0 0 \
    "${options[@]}" \
    3>&1 1>&2 2>&3)
  if [ "$?" = "0" ]; then
    case $sel in
      "$txtsethostname")
        archsethostname
        nextitem="$txtsetkeymap"
      ;;
      "$txtsetkeymap")
        archsetkeymap
        nextitem="$txtsetlocale"
      ;;
      "$txtsetlocale")
        archsetlocale
        nextitem="$txtsettime"
      ;;
      "$txtsettime")
        archsettime
        nextitem="$txtsetrootpassword"
      ;;
      "$txtsetrootpassword")
        archsetrootpassword
        nextitem="${txtgenerate//%1/fstab}"
      ;;
      "${txtgenerate//%1/fstab}")
        archgenfstab
        if [ "$luksdrive" = "1" ]; then
          nextitem="${txtgenerate//%1/crypttab}"
        else
          if [ "$luksroot" = "1" ]; then
            nextitem="${txtgenerate//%1/mkinitcpio.conf}"
          else
            nextitem="${txtinstall//%1/grub}"
          fi
        fi
      ;;
      "${txtgenerate//%1/crypttab}")
        archgencrypttab
        if [ "$luksroot" = "1" ]; then
          nextitem="${txtgenerate//%1/mkinitcpio.conf}"
        else
          nextitem="${txtinstall//%1/grub}"
        fi
      ;;
      "${txtgenerate//%1/mkinitcpio.conf}")
        archgenmkinitcpio
        nextitem="${txtinstall//%1/grub}"
      ;;
      "${txtedit//%1/fstab}")
        $EDITOR /mnt/etc/fstab
        nextitem="${txtedit//%1/fstab}"
      ;;
      "${txtedit//%1/crypttab}")
        $EDITOR /mnt/etc/crypttab
        nextitem="${txtedit//%1/crypttab}"
      ;;
      "${txtedit//%1/mkinitcpio.conf}")
        archeditmkinitcpio
        nextitem="${txtedit//%1/mkinitcpio.conf}"
      ;;
      "${txtedit//%1/mirrorlist}")
        $EDITOR /mnt/etc/pacman.d/mirrorlist
        nextitem="${txtedit//%1/mirrorlist}"
      ;;
      "${txtinstall//%1/grub}")
        archinstallgrub
        nextitem="${txtinstall//%1/bootloader}"
      ;;
      "${txtedit//%1/grub}")
        $EDITOR /mnt/etc/default/grub
        if (whiptail --backtitle "$apptitle" --title "${txtedit//%1/grub}" --yesno "$txtrungrubmakeconfig" 0 0) then
          clear
          archchroot installgrub
          pressanykey
        fi
        nextitem="${txtinstall//%1/bootloader}"
      ;;
      "${txtinstall//%1/bootloader}")
        archinstallbootloader
        nextitem="${txtenable//%1/dhcpcd}"
      ;;
      "${txtenable//%1/dhcpcd}")
        archenabledhcpcd
        nextitem="archdi"
      ;;
      "archdi")
        installarchdi
        nextitem="archdi"
      ;;
    esac
    archmenu "$nextitem"
  fi
}

archchroot(){
  echo "arch-chroot /mnt /root"
  cp $0 /mnt/root
  chmod 755 /mnt/root/$(basename "$0")
  arch-chroot /mnt /root/$(basename "$0") --chroot $1 $2
  rm /mnt/root/$(basename "$0")
  echo "exit"
}


archsethostname(){
  hostname=$(whiptail --backtitle "$apptitle" --title "$txtsethostname" --inputbox "" 0 0 "localhost" 3>&1 1>&2 2>&3)
  if [ "$?" = "0" ]; then
    clear
    echo "echo \"$hostname\" > /mnt/etc/hostname"
    echo "$hostname" > /mnt/etc/hostname
    pressanykey
  fi
}

archsetkeymap(){
  #items=$(localectl list-keymaps)
  #options=()
  #for item in $items; do
  #  options+=("$item" "")
  #done
  items=$(find /usr/share/kbd/keymaps/ -type f -printf "%f\n" | sort -V)
  options=()
  for item in $items; do
    options+=("${item%%.*}" "")
  done
  keymap=$(whiptail --backtitle "$apptitle" --title "$txtsetkeymap" --menu "" 0 0 0 \
    "${options[@]}" \
    3>&1 1>&2 2>&3)
  if [ "$?" = "0" ]; then
    clear
    echo "echo \"KEYMAP=$keymap\" > /mnt/etc/vconsole.conf"
    echo "KEYMAP=$keymap" > /mnt/etc/vconsole.conf
    #echo "FONT=lat9w-16" >> /mnt/etc/vconsole.conf
    pressanykey
  fi
}

archsetlocale(){
  items=$(ls /usr/share/i18n/locales)
  options=()
  for item in $items; do
    options+=("$item" "")
  done
  locale=$(whiptail --backtitle "$apptitle" --title "$txtsetlocale" --menu "" 0 0 0 \
    "${options[@]}" \
    3>&1 1>&2 2>&3)
  if [ "$?" = "0" ]; then
    clear
    echo "echo \"LANG=$locale.UTF-8\" > /mnt/etc/locale.conf"
    echo "LANG=$locale.UTF-8" > /mnt/etc/locale.conf
    echo "echo \"LC_COLLATE=C\" >> /mnt/etc/locale.conf"
    echo "LC_COLLATE=C" >> /mnt/etc/locale.conf
    echo "sed -i '/'$locale'.UTF-8/s/^#//g' /mnt/etc/locale.gen"
    sed -i '/'$locale'.UTF-8/s/^#//g' /mnt/etc/locale.gen
    archchroot setlocale
    pressanykey
  fi
}
archsetlocalechroot(){
  echo "locale-gen"
  locale-gen
  exit
}

archsettime(){
  items=$(ls -l /mnt/usr/share/zoneinfo/ | grep '^d' | awk '{ print $9 }')
  options=()
  for item in $items; do
    options+=("$item" "")
  done

  timezone=$(whiptail --backtitle "$apptitle" --title "$txtsettime" --menu "" 0 0 0 \
    "${options[@]}" \
    3>&1 1>&2 2>&3)
  if [ ! "$?" = "0" ]; then
    return 1
  fi
  
  
  items=$(ls /mnt/usr/share/zoneinfo/$timezone/)
  options=()
  for item in $items; do
    options+=("$item" "")
  done

  timezone=$timezone/$(whiptail --backtitle "$apptitle" --title "$txtsettime" --menu "" 0 0 0 \
    "${options[@]}" \
    3>&1 1>&2 2>&3)
  if [ ! "$?" = "0" ]; then
    return 1
  fi
  
  clear
  echo "ln -sf /usr/share/zoneinfo/$timezone /mnt/etc/localtime"
  ln -sf /usr/share/zoneinfo/$timezone /mnt/etc/localtime
  pressanykey
  
  if (whiptail --backtitle "$apptitle" --title "$txtsettime" --yesno "$txtuseutcclock" 0 0) then
    clear
    archchroot settimeutc
  else
    clear
    archchroot settimelocal
  fi
  
  pressanykey
  
}
archsettimeutcchroot(){
  echo "hwclock --systohc --utc"
  hwclock --systohc --utc
  exit
}
archsettimelocalchroot(){
  echo "hwclock --systohc --localtime"
  hwclock --systohc --localtime
  exit
}

archsetrootpassword(){
  clear
  archchroot setrootpassword
  pressanykey
}
archsetrootpasswordchroot(){
  echo "passwd root"
  passwd root
  exit
}

archgenfstab(){
  clear
  echo "genfstab -U -p /mnt > /mnt/etc/fstab"
  genfstab -U -p /mnt > /mnt/etc/fstab
  pressanykey
}

archgencrypttab(){
  clear
  echo "echo -e \"$crypttab\" >> /mnt/etc/crypttab"
  echo -e "$crypttab" >> /mnt/etc/crypttab
  pressanykey
}

archgenmkinitcpio(){
  clear
  echo "sed -i \"s/block filesystems/block encrypt filesystems/g\" /mnt/etc/mkinitcpio.conf"
  sed -i "s/block filesystems/block encrypt filesystems/g" /mnt/etc/mkinitcpio.conf
  archchroot genmkinitcpio
  pressanykey
}

archeditmkinitcpio(){
  $EDITOR /mnt/etc/mkinitcpio.conf
  if (whiptail --backtitle "$apptitle" --title "${txtedit//%1/mkinitcpio.conf}" --yesno "${txtgenerate//%1/mkinitcpio} ?" 0 0) then
    clear
    archchroot genmkinitcpio
    pressanykey
  fi
}
archgenmkinitcpiochroot(){
  echo "mkinitcpio -p linux"
  mkinitcpio -p linux
  exit
}

archinstallgrub(){
  clear
  echo "pacstrap /mnt grub"
  pacstrap /mnt grub
  pressanykey
  
  if [ "$eficomputer" == "1" ]; then
    if [ "$efimode" == "1" ]||[ "$efimode" == "2" ]; then
      if (whiptail --backtitle "$apptitle" --title "${txtinstall//%1/efibootmgr}" --yesno "$txtefibootmgr" 0 0) then
        clear
        echo "pacstrap /mnt efibootmgr"
        pacstrap /mnt efibootmgr
        pressanykey
      fi
    else
      if (whiptail --backtitle "$apptitle" --title "${txtinstall//%1/efibootmgr}" --yesno "$txtefibootmgr" --defaultno 0 0) then
        clear
        echo "pacstrap /mnt efibootmgr"
        pacstrap /mnt efibootmgr
        pressanykey
      fi
    fi
  fi
  
  if [ "$luksroot" = "1" ]; then
    if (whiptail --backtitle "$apptitle" --title "${txtinstall//%1/grub}" --yesno "$txtgrubluksdetected" 0 0) then
      clear
      echo "sed -i /GRUB_CMDLINE_LINUX=/c\GRUB_CMDLINE_LINUX=\\\"cryptdevice=/dev/disk/by-uuid/$luksrootuuid:root\\\" /mnt/etc/default/grub"
      sed -i /GRUB_CMDLINE_LINUX=/c\GRUB_CMDLINE_LINUX=\"cryptdevice=/dev/disk/by-uuid/$luksrootuuid:root\" /mnt/etc/default/grub
      pressanykey
    fi
  fi
  
  clear
  archchroot installgrub
  pressanykey
}
archinstallgrubchroot(){
  echo "grub-mkconfig -o /boot/grub/grub.cfg"
  grub-mkconfig -o /boot/grub/grub.cfg
  exit
}

archinstallbootloader(){
  items=$(lsblk -d -p -n -l -o NAME -e 7,11)
  options=()
  for item in $items; do
    options+=("$item" "")
  done
  device=$(whiptail --backtitle "$apptitle" --title "${txtinstall//%1/bootloader}" --menu "" 0 0 0 \
    "${options[@]}" \
    3>&1 1>&2 2>&3)
  if [ "$?" = "0" ]; then
    if [ "$eficomputer" == "1" ]; then
      options=()
      if [ "$efimode" = "1" ]; then
        options+=("EFI" "")
        options+=("BIOS" "")
        options+=("BIOS+EFI" "")
      elif [ "$efimode" = "2" ]; then
        options+=("BIOS+EFI" "")
        options+=("BIOS" "")
        options+=("EFI" "")
      else
        options+=("BIOS" "")
        options+=("EFI" "")
        options+=("BIOS+EFI" "")
      fi
      sel=$(whiptail --backtitle "$apptitle" --title "${txtinstall//%1/bootloader}" --menu "" --cancel-button "Back" 0 0 0 \
        "${options[@]}" \
        3>&1 1>&2 2>&3)
      if [ "$?" = "0" ]; then
        clear
        case $sel in
          "BIOS") archchroot installbootloader $device;;
          "EFI") archchroot installbootloaderefi $device;;
          "BIOS+EFI") archchroot installbootloaderefiusb $device;;
        esac
        pressanykey
      fi
    else
      clear
      archchroot installbootloader $device
      pressanykey
    fi
  fi
}
archinstallbootloaderchroot(){
  if [ ! "$1" = "none" ]; then
    echo "grub-install --target=i386-pc --recheck $1"
    grub-install --target=i386-pc --recheck $1
  fi
  exit
}
archinstallbootloaderefichroot(){
  if [ ! "$1" = "none" ]; then
    echo "grub-install --target=x86_64-efi --efi-directory=/boot --recheck $1"
    grub-install --target=x86_64-efi --efi-directory=/boot --recheck $1
  fi
  exit
}
archinstallbootloaderefiusbchroot(){
  if [ ! "$1" = "none" ]; then
    echo "grub-install --target=i386-pc --recheck $1"
    grub-install --target=i386-pc --recheck $1
    echo "grub-install --target=x86_64-efi --efi-directory=/boot --removable --recheck $1"
    grub-install --target=x86_64-efi --efi-directory=/boot --removable --recheck $1
  fi
  exit
}

archenabledhcpcd(){
  if (whiptail --backtitle "$apptitle" --title "${txtenable//%1/dhcpcd}" --yesno "${txtenable//%1/dhcpcd} ?" 0 0) then
    clear
    archchroot enabledhcpcd
    pressanykey
  fi
}
archenabledhcpcdchroot(){
  echo "systemctl enable dhcpcd"
  systemctl enable dhcpcd
  exit
}

installarchdi(){
  if(whiptail --backtitle "$apptitle" --title "archdi" --yesno "$txtinstallarchdi" 0 0) then
    clear
    echo "pacstrap /mnt wget libnewt"
    pacstrap /mnt wget libnewt
  fi
  if [ "$?" = "0" ]; then
    options=()
    options+=("$txtarchdiinstallandlaunch" "")
    options+=("$txtarchdilaunch" "")
    options+=("$txtarchdiinstall" "")
    sel=$(whiptail --backtitle "$apptitle" --title "$txtarchdimenu" --menu "" --cancel-button "Back" 0 0 0 \
      "${options[@]}" \
      3>&1 1>&2 2>&3)
    if [ "$?" = "0" ]; then
      case $sel in
        "$txtarchdiinstallandlaunch") archchroot archdiinstallandlaunch;;
        "$txtarchdilaunch") archchroot archdilaunch;;
        "$txtarchdiinstall")
          clear
          archchroot archdiinstall
          pressanykey
        ;;
      esac
    fi
  fi
}
archdidownload(){
  options=()
  options+=("sourceforge.net" "recommended")
  options+=("github.com" "")
  sel=$(whiptail --backtitle "$apptitle" --title "$txtselectserver" --menu "" --cancel-button "Back" 0 0 0 \
    "${options[@]}" \
    3>&1 1>&2 2>&3)
  if [ "$?" = "0" ]; then
    case $sel in
      "sourceforge.net")
        archdiurl=archdi.sourceforge.net/archdi
      ;;
      "github.com")
        archdiurl=matmoul.github.io/archdi >archdi
      ;;
    esac
  fi
  echo "curl -L $archdiurl >archdi"
  curl -L $archdiurl >archdi
}
archdiinstallandlaunchchroot(){
  cd
  archdidownload
  sh archdi -i
  archdi --chroot
  exit
}
archdilaunchchroot(){
  cd
  archdidownload
  sh archdi --chroot
  rm archdi
  exit
}
archdiinstallchroot(){
  cd
  archdidownload
  sh archdi -i
  exit
}
# --------------------------------------------------------



# --------------------------------------------------------
pressanykey(){
  read -n1 -p "$txtpressanykey"
}

loadstrings(){
  txtselectserver="Select source server :"
  
  txtmainmenu="Main Menu"
  txtlanguage="Language"
  txtsetkeymap="Set Keyboard Layout"
  txteditor="Editor"
  txtdiskpartmenu="Disk Partitions"
  txtselectpartsmenu="Select Partitions and Install"
  txthelp="Help"
  txtchangelog="Changelog"
  txtreboot="Reboot"

  txtautoparts="Auto Partitions"
  txteditparts="Edit Partitions"

  txtautopartsconfirm="Selected device : %1\n\nAll data will be erased ! \n\nContinue ?"

  txtautopartclear="Clear all partition data"
  txtautopartcreate="Create %1 partition"
  txthybridpartcreate="Set hybrid MBR"
  txtautopartsettype="Set %1 partition type"

  txtselectdevice="Select %1 device :"
  txtselecteddevices="Selected devices :"

  txtformatmountmenu="Format and Mount"
  txtformatdevices="Format Devices"
  txtformatdevice="Format Device"
  txtmount="Mount"
  txtmountdesc="Install or Config"

  txtformatdeviceconfirm="Warning, all data on selected devices will be erased ! \nFormat devices ?"

  txtselectpartformat="Select partition format for %1 :"
  txtformatingpart="Formatting partition %1 as"
  txtcreateluksdevice="Create luks device :"
  txtopenluksdevice="Open luks device :"
  txtluksdevicecreated="luks device created !"

  txtinstallmenu="Install Menu"
  
  txtarchinstallmenu="Arch Install Menu"
  txtrungrubmakeconfig="Run grub-mkconfig ?"
  
  txteditmirrorlist="Edit mirrorlist"
  txtinstallarchlinux="Install Arch Linux"
  txtconfigarchlinux="Config Arch Linux"

  txtsethostname="Set Computer Name"
  txtsetlocale="Set Locale"
  txtsettime="Set Time"
  txtsetrootpassword="Set root password"
  
  txtuseutcclock="Use UTC hardware clock ?"
  
  txtoptional="Optional"
  txtrecommandeasyinst="Recommanded for easy install"
  txtset="Set %1"
  txtgenerate="Generate %1"
  txtedit="Edit %1"
  txtinstall="Install %1"
  txtenable="Enable %1"
  
  txtgrubluksdetected="Encrypted root partion !\n\nAdd cryptdevice= to GRUB_CMDLINE_LINUX in /etc/default/grub ?"


  txtpressanykey="Press any key to continue."
  
  txtinstallosprober="os-prober is a good solution if you want to use mutli-boot.\nInstall os-prober ?"
  txtefibootmgr="efibootmgr is required for efi computer."
  
  txtarchdidesc="Full desktop install script"
  txtinstallarchdi="Arch Linux Desktop Install (archdi) is a second script who can help you to install a full workstation.\n\nYou can just launch the script or install it. Choose in the next menu.\n\nArch Linux Desktop Install as two dependencies : wget and libnewt.\n\npacstrap wget libnewt ?"
  txtarchdiinstallandlaunch="Install and run archdi"
  txtarchdiinstall="Install archdi"
  txtarchdilaunch="Launch archdi"
}

# --------------------------------------------------------



# --------------------------------------------------------
while (( "$#" )); do
  case $1 in
    -h|--help) help
               exit 0;;
    -l|--learning) whiptail --backtitle "$apptitle" --title "" --msgbox "Sorry, learning mode will not be avaible\n\nToo hard to maintain." 0 0;;
    --chroot) chroot=1
              command=$2
              args=$3;;
  esac
  shift
done

if [ "$chroot" = "1" ]; then
  case $command in
    'setrootpassword') archsetrootpasswordchroot;;
    'setlocale') archsetlocalechroot;;
    'settimeutc') archsettimeutcchroot;;
    'settimelocal') archsettimelocalchroot;;
    'genmkinitcpio') archgenmkinitcpiochroot;;
    'enabledhcpcd') archenabledhcpcdchroot;;
    'installgrub') archinstallgrubchroot;;
    'installbootloader') archinstallbootloaderchroot $args;;
    'installbootloaderefi') archinstallbootloaderefichroot $args;;
    'installbootloaderefiusb') archinstallbootloaderefiusbchroot $args;;
    'archdiinstallandlaunch') archdiinstallandlaunchchroot;;
    'archdiinstall') archdiinstallchroot;;
    'archdilaunch') archdilaunchchroot;;
  esac
else
  pacman -S --needed arch-install-scripts wget libnewt
  dmesg |grep efi: > /dev/null
  if [ "$?" == "1" ]; then
    eficomputer=0
  else
    eficomputer=1
    efimode=1
  fi
  loadstrings
  EDITOR=nano
  mainmenu
fi

exit 0
# --------------------------------------------------------