#!/bin/bash

### this script makes everything to build a ready to boot .iso file of nanodesk
###
### By: DeltaLima
### 2023

### include config
. makeanything.conf

CHROOTCMD="sudo chroot build/chroot/"
test -n "$VERSION" || VERSION="$(git describe --tags)" #-$(git rev-parse --short HEAD)"

MIRROR=$1
if [ -z "$MIRROR" ]
then
  MIRROR="http://ftp.gwdg.de/debian/"
fi

# colors for colored output 8)
RED="\e[31m"
GREEN="\e[32m"
YELLOW="\e[33m"
ENDCOLOR="\e[0m"

function message() {
     case $1 in
     warn)
       MESSAGE_TYPE="${YELLOW}WARN${ENDCOLOR}"
     ;;
     error)
       MESSAGE_TYPE="${RED}ERROR${ENDCOLOR}"
     ;;
     info|*)
       MESSAGE_TYPE="${GREEN}INFO${ENDCOLOR}"
     ;;
     esac

     if [ "$1" == "info" ] || [ "$1" == "warn" ] || [ "$1" == "error" ]
     then
       MESSAGE=$2
     else
       MESSAGE=$1
     fi

     echo -e "[${MESSAGE_TYPE}] $MESSAGE"
}

error () 
{
  message error "ERROR!!"
  exit 1
}

#message "installing requirements"
#### https://www.willhaley.com/blog/custom-debian-live-environment/
apt install \
  coreutils \
  pandoc || error
#


message "start building nanodesk ${YELLOW}${VERSION}${ENDCOLOR}"

read -p "press [enter] to continue"

### stuff begins here

message "creating build directories"
for dir in $(echo build/{staging/{EFI/BOOT,boot/grub/x86_64-efi,isolinux,live},tmp,chroot,nanodesk-files})
do
  message "$dir"
  test -d $dir || mkdir -p $dir
done
#
#message "running debootstrap $DEBOOTSTRAP_OPTS $DEBOOTSTRAP_SUITE $MIRROR"
#sudo debootstrap ${DEBOOTSTRAP_OPTS} ${DEBOOTSTRAP_SUITE} build/chroot/ $MIRROR || message warn "debootstrap exited with code $?"

message "copy xdgmenumaker deb file into chroot"
cp deb/xdgmenumaker* /tmp || error

message "copy install_base scripts to build/chroot/tmp/"
cp install_base/* /tmp/ || error


#### install_base
message "run install_base.sh"
/bin/bash /tmp/install_base.sh || error
####

### copy nanodesk files in nanodesk-files/ to build/nanodesk-files/ so we can make changes there,
### like generate version file and convert .md to .html in usr/share/docs/nanodesk
message "copy nanodesk-files/ to build/nanodesk-files/"
cp -r nanodesk-files/* build/nanodesk-files/

message "write nanodesk version $VERSION into build/nanodesk-files/usr/share/nanodesk/version"
echo $VERSION > build/nanodesk-files/usr/share/nanodesk/version

message "convert .md files in build/nanodesk-files/usr/doc/nanodesk/ to .html"
for md in $(find build/nanodesk-files/usr/share/doc/nanodesk/ -name "*.md")
  do pandoc --self-contained --css=pandoc/pandoc.css -M pagetitle:$(basename $md|sed 's/\.md//') -s $md -o $(echo $md | sed 's/\.md/\.html/')
done

message "copy build/nanodesk-files/ to build/chroot/"
cp -r build/nanodesk-files/* /

message "generate icon path list for jwm config"
find /usr/share/icons/ -type d | sed 's/build\/chroot//g' > build/tmp/jwm.iconlist
sed -i -e 's/^/\ \ \ \ <IconPath>/g' -e 's/$/<\/IconPath>/g' build/tmp/jwm.iconlist
cp build/tmp/jwm.iconlist /tmp/ || error

message "putting generated icon path list to /etc/jwm/system.nanodesk.jwmrc"
sed -i '/<\!-- GENERATED ICONLIST -->/r /tmp/jwm.iconlist' /etc/jwm/system.nanodesk.jwmrc || error

message "correct file permissions"
#$CHROOTCMD /usr/bin/chmod 440 /etc/sudoers || error
/usr/bin/chmod 755 /usr/sbin/nanodesk-installer || error
/usr/bin/chmod 755 /usr/bin/nanodesk-installer-gxm || error
/usr/bin/chmod 755 /usr/bin/nanodesk || error
/usr/bin/chmod 755 /usr/bin/nanodesk-first-start || error

message "set x-terminal-emulator to lxterminal"
/usr/bin/update-alternatives --set x-terminal-emulator /usr/bin/lxterminal

#message "set x-window-manager to jwm-nanodesk"
#/usr/bin/update-alternatives --install /usr/bin/x-window-manager x-window-manager /usr/bin/nanodesk 25
#/usr/bin/update-alternatives --set x-window-manager /usr/bin/nanodesk

### set root password
#message "set root password to 'debian'"
#echo -e "debian\ndebian" | $CHROOTCMD /usr/bin/passwd root

### add debian user
#message "create user debian, password 'debian'"
#echo -e "debian\ndebian\nDebian\n\n\n\n\y\n" | $CHROOTCMD /usr/sbin/adduser debian

#message "add user debian to group sudo"
#$CHROOTCMD /usr/sbin/usermod -a -G sudo debian

#message "clear /tmp"
#$CHROOTCMD /usr/bin/rm -Rf /tmp/* || error

### liveboot part, https://www.willhaley.com/blog/custom-debian-live-environment/
#message "make squashfs"
#test -f build/staging/live/filesystem.squashfs && sudo rm build/staging/live/filesystem.squashfs
#sudo mksquashfs \
#    build/chroot \
#    build/staging/live/filesystem.squashfs \
#    -comp xz \
#    -e boot || error
#
#
#message "copy kernel and initrd images"
#cp build/chroot/boot/vmlinuz-* build/staging/live/vmlinuz || error
#cp build/chroot/boot/initrd.img-* build/staging/live/initrd || error
#
#message "generate isolinux.cfg"
#sed "s/%VERSION%/${VERSION}/g" templates/isolinux.tpl.cfg > build/staging/isolinux/isolinux.cfg
#
#message "generate grub.cfg"
#sed "s/%VERSION%/${VERSION}/g" templates/grub.tpl.cfg > build/staging/boot/grub/grub.cfg
#sed "s/%VERSION%/${VERSION}/g" templates/grub.tpl.cfg > build/staging/EFI/BOOT/grub.cfg
#
#message "copy grub-embed.cfg"
#cp templates/grub-embed.tpl.cfg build/tmp/grub-embed.cfg
#
#message "copy isolinux"
#cp /usr/lib/ISOLINUX/isolinux.bin "build/staging/isolinux/" || error
#cp /usr/lib/syslinux/modules/bios/* "build/staging/isolinux/" || error
#
#message "copy grub-efi"
#cp -r /usr/lib/grub/x86_64-efi/* "build/staging/boot/grub/x86_64-efi/" || error
#
#message "make efi images"
#grub-mkstandalone -O i386-efi \
#    --modules="part_gpt part_msdos fat iso9660" \
#    --locales="" \
#    --themes="" \
#    --fonts="" \
#    --output="build/staging/EFI/BOOT/BOOTIA32.EFI" \
#    "boot/grub/grub.cfg=build/tmp/grub-embed.cfg" || error
#
#grub-mkstandalone -O x86_64-efi \
#    --modules="part_gpt part_msdos fat iso9660" \
#    --locales="" \
#    --themes="" \
#    --fonts="" \
#    --output="build/staging/EFI/BOOT/BOOTx64.EFI" \
#    "boot/grub/grub.cfg=build/tmp/grub-embed.cfg" || error
#
#(cd build/staging && \
#    dd if=/dev/zero of=efiboot.img bs=1M count=20 && \
#    /usr/sbin/mkfs.vfat efiboot.img && \
#    mmd -i efiboot.img ::/EFI ::/EFI/BOOT && \
#    mcopy -vi efiboot.img \
#        ../../build/staging/EFI/BOOT/BOOTIA32.EFI \
#        ../../build/staging/EFI/BOOT/BOOTx64.EFI \
#        ../../build/staging/boot/grub/grub.cfg \
#        ::/EFI/BOOT/
#) || error
#
#message "generate .iso"
#xorriso \
#    -as mkisofs \
#    -iso-level 3 \
#    -o "build/nanodesk_$VERSION.iso" \
#    -full-iso9660-filenames \
#    -volid "NANODESK" \
#    --mbr-force-bootable -partition_offset 16 \
#    -joliet -joliet-long -rational-rock \
#    -isohybrid-mbr /usr/lib/ISOLINUX/isohdpfx.bin \
#    -eltorito-boot \
#        isolinux/isolinux.bin \
#        -no-emul-boot \
#        -boot-load-size 4 \
#        -boot-info-table \
#        --eltorito-catalog isolinux/isolinux.cat \
#    -eltorito-alt-boot \
#        -e --interval:appended_partition_2:all:: \
#        -no-emul-boot \
#        -isohybrid-gpt-basdat \
#    -append_partition 2 C12A7328-F81F-11D2-BA4B-00A0C93EC93B build/staging/efiboot.img \
#    "build/staging"
#
message "Your system is now nanodeskized :)"