#!/bin/bash

echo -n $( dirname -- "$( readlink -f -- "$0" )" ) > pwd.txt

CWD=$(cat pwd.txt)
user=$(who | grep "tty" | cut -d" " -f1)
group=$user

if [[ "$UID" != 0 ]]; then
    echo "USER NOT ROOT"
    sudo "$0"
    exit
else
    echo "USER IS ROOT"
fi

DELAY=1

function check_internet() {
    SECONDS=0

    ping -c 1 1.1.1.1 > /dev/null
    have_internet="$?"

    if [ "$have_internet" -ne 0 ]; then
        echo "No internet connection"
        exit
    fi

    ELAPSED="Elapsed: $(($SECONDS / 3600))hrs $((($SECONDS / 60) % 60))min $(($SECONDS % 60))sec"
    echo -e "\n$ELAPSED\n"
}

function clean() {
    echo "CLEAN"

    if [ -n "$dir" ]; then
      cd "$CWD/$dir"
      echo "PWD: $(pwd)"
    else
      exit
    fi

    rm -v airootfs/opt/extra-drivers/*.pkg.tar.*
    rm -v airootfs/root/packages/*.pkg.tar.*
    rm -v airootfs/usr/share/packages/*.pkg.tar.*

    cd "$CWD"
    echo "PWD: $CWD"
}

function mirrorlist() {
    SECONDS=0

    echo "MIRRORLIST"

    if [ -n "$dir" ]; then
      cd "$CWD/$dir"
      echo "PWD: $(pwd)"
    else
      exit
    fi

    check_internet

#     cp "$CWD/$dir/mirrorlist" "/etc/pacman.d/mirrorlist.pacnew"
#     sed -i -e "s/#Server/Server/g" /etc/pacman.d/mirrorlist.pacnew
#     cp /etc/pacman.d/mirrorlist.pacnew /etc/pacman.d/mirrorlist
#     reflector --save /etc/pacman.d/mirrorlist -c "CA,FI,FR,DE,IS,IE,IT,JP,KZ,LV,LU,NZ,NO,PL,PT,RU,SG,ES,SE,CH,TW,TH, " --protocol https --latest 50 --fastest 50 --sort rate
#     rate-mirrors --save /etc/pacman.d/mirrorlist --allow-root --disable-comments-in-file --entry-country="CA,FI,FR,DE,IS,IE,IT,JP,KZ,LV,LU,NZ,NO,PL,PT,RU,SG,ES,SE,CH,TW,TH, " --protocol=https manjaro --max-delay 7200

    ELAPSED="Elapsed: $(($SECONDS / 3600))hrs $((($SECONDS / 60) % 60))min $(($SECONDS % 60))sec"
    echo -e "\n$ELAPSED\n"
}

function prepare() {
    SECONDS=0

    echo "PREPARE"

    check_internet

    if [ -n "$dir" ]; then
      cd "$CWD/$dir"
      echo "PWD: $(pwd)"
    else
      exit
    fi

    clean

    if [ -n "$dir" ]; then
      cd "$CWD/$dir"
      echo "PWD: $(pwd)"
    else
      exit
    fi

    paccache -rvk 1

    pacman -Sy --config pacman_sys.conf
    pacman -Sw --config pacman_sys.conf --noconfirm r8168-dkms

    for i in $(find /var/cache/pacman/pkg/ -name "r8168-dkms*")
    do
      echo "r8168-dkms: $i"
      cp -vf "$i" "$CWD/$dir/airootfs/opt/extra-drivers/"
      echo ""
    done

    rm "$CWD/$dir/airootfs/opt/extra-drivers/"*.sig

    packs=(
    dracut
    grub-dracut
    grub
    systemd-boot-dracut
    libxvmc
    linux-api-headers
    linux-cachyos
    linux-cachyos-headers
    linux-cachyos-zfs
    melawy-dracut-initramfs
    melawy-dracut-ukify
    melawy-refind-menu-generator
    melawy-refind-theme-nier-a2
    melawy-plymouth-theme-nier-a2
    os-prober
    refind
    update-grub
    xf86-video-intel
    )

    pacman -Sw --config pacman_sys.conf --noconfirm ${packs[@]}

    for pack in ${packs[@]}
    do
        min_length=0
        current_elem=0
        min_length_elem=0
        name_of_elem=""
        all_finded=$(find /var/cache/pacman/pkg/ -name "${pack}"*)
        for i in ${all_finded[@]}
        do
            if [[ $min_length == 0 ]]; then
                min_length=${#i}
                min_length_elem=0
                name_of_elem="${i}"
            else
                if [[ ${#i} -lt ${min_length} ]]; then
                min_length=${#i}
                min_length_elem=${current_elem}
                name_of_elem="${i}"
                fi
            fi

            echo "${current_elem} ${pack}: ${i} ${#i}"
            echo ""

            current_elem=$(( ${current_elem} + 1 ))
        done

        echo "finded ${min_length_elem} ${name_of_elem}"
        cp -vf "${name_of_elem}" "$CWD/$dir/airootfs/usr/share/packages/"
        echo ""
    done


    rm "$CWD/$dir/airootfs/usr/share/packages/"*.sig

    paccache -rvk 1 --cachedir "$CWD/$dir/airootfs/opt/extra-drivers"
    paccache -rvk 1 --cachedir "$CWD/$dir/airootfs/usr/share/packages"

    chown -R $user:$group "$CWD/$dir/airootfs/opt/extra-drivers/"
    chown -R $user:$group "$CWD/$dir/airootfs/usr/share/packages/"
    chown -R $user:$group "$CWD/boot/iso"

    cd "$CWD"
    echo "PWD: $CWD"

    ELAPSED="Elapsed: $(($SECONDS / 3600))hrs $((($SECONDS / 60) % 60))min $(($SECONDS % 60))sec"
    echo -e "\n$ELAPSED\n"
}


function build() {
    SECONDS=0

    echo "BUILD"

    check_internet

    if [ -n "$dir" ]; then
      cd "$CWD/$dir"
      echo "PWD: $(pwd)"
    else
      exit
    fi

    rm -rfv "$CWD/work_${edition}"

    mkdir -pv "$CWD/boot/"{fd,iso,qcow2,shell_scripts,txt} 2>/dev/null
    chown -R $user:$group "$CWD/boot/"
    
    mkdir -pv "$CWD/sf" 2>/dev/null
    chown -R $user:$group "$CWD/sf"
    
    mkdir -pv "$CWD/work_${edition}" 2>/dev/null
    
    mkdir -pv "$CWD/sf/${iso_dir}" 2>/dev/null
    chown -R $user:$group "$CWD/sf/${iso_dir}"

    cp -vf "/etc/pacman.d/mirrorlist" "$CWD/$dir/airootfs/etc/pacman.d/"

#     if [ "$dir" == "Melawy-Linux-Full-manjaro" ]; then
#       echo 'Server = https://mirror.easyname.at/manjaro/stable/$repo/$arch' > "./airootfs/etc/pacman.d/"
#       echo 'Server = https://ftp.gwdg.de/pub/linux/manjaro/stable/$repo/$arch' >> "./airootfs/etc/pacman.d/"
#       echo 'Server = https://ftp.cc.uoc.gr/mirrors/linux/manjaro/stable/$repo/$arch' >> "./airootfs/etc/pacman.d/"
#       echo 'Server = https://ftp.psnc.pl/linux/manjaro/stable/$repo/$arch' >> "./airootfs/etc/pacman.d/"
#       echo 'Server = https://ftpmirror1.infania.net/mirror/manjaro/stable/$repo/$arch' >> "./airootfs/etc/pacman.d/"
#       echo 'Server = https://ftp.linux.org.tr/manjaro/stable/$repo/$arch' >> "./airootfs/etc/pacman.d/"
#     fi

    if [ -f "$CWD/sf/${iso_dir}/${iso_name}.iso" ]; then
      rm "$CWD/sf/${iso_dir}/${iso_name}.iso"
    fi

    pacman -Sw --config pacman_sys.conf --noconfirm $(grep -v '^#' ./packages.x86_64 | grep -v '^$')
    if [ "$?" -ne 0 ]; then
      pacman -Sw --config pacman_sys.conf --noconfirm $(grep -v '^#' ./packages.x86_64 | grep -v '^$')
    fi

    mkarchiso -v "."

    cd "$CWD"
    echo "PWD: $CWD"

    ELAPSED="Elapsed: $(($SECONDS / 3600))hrs $((($SECONDS / 60) % 60))min $(($SECONDS % 60))sec"
    echo -e "\n$ELAPSED\n"
}

function sign() {
    SECONDS=0

    cd "$CWD"
    echo "PWD: $CWD"

    if [ -n "$dir" ]; then
      chown -R $user:$group "$CWD/sf/"
      cd "$CWD/sf/${iso_dir}"
      echo "PWD: $(pwd)"
    else
      exit
    fi

    if [ -f "$CWD/sf/${iso_dir}/${std_iso_name_manjaro}.iso" ] || [ -f "$CWD/sf/${iso_dir}/${iso_name}.iso" ]; then
      std_iso_name=${std_iso_name_manjaro}
    fi

    if [ -f "$CWD/sf/${iso_dir}/${std_iso_name}.iso" ] || [ -f "$CWD/sf/${iso_dir}/${iso_name}.iso" ]; then
      echo "SIGN, SUM, SPLIT, TORRENT"

      cp -vf "$CWD/verify.sh" "."

#       if [ -f "$CWD/sf/${iso_dir}/${iso_name}-pkglist.txt" ]; then
#           rm "$CWD/sf/${iso_dir}/${iso_name}-pkglist.txt";
#       fi

      if [ -f "$CWD/work_${edition}/iso/arch/pkglist.x86_64.txt" ]; then
        cp -vf "$CWD/work_${edition}/iso/arch/pkglist.x86_64.txt" "$CWD/sf/${iso_dir}/${iso_name}-pkglist.txt"
      fi

      if [ -f "$CWD/sf/${iso_dir}/${std_iso_name}.iso" ]; then
          mv "$CWD/sf/${iso_dir}/${std_iso_name}.iso" "$CWD/sf/${iso_dir}/${iso_name}.iso";
      fi

      if [ -f "$CWD/sf/${iso_dir}/${iso_name}.iso.sig" ]; then
          rm "$CWD/sf/${iso_dir}/${iso_name}.iso.sig";
      fi
      echo "Sign $CWD/sf/${iso_dir}/${iso_name}.iso.sig $CWD/sf/${iso_dir}/${iso_name}.iso"

      su $(who | grep "tty" | cut -d" " -f1) -c "gpg --detach-sign --local-user BC8B600E8DDA1F4CB77B10D2BA803A261A5EE6B8 --output '$CWD/sf/${iso_dir}/${iso_name}.iso.sig' '${iso_name}.iso'"

      if [ -f "$CWD/sf/${iso_dir}/${iso_name}.iso.md5" ]; then
          rm "$CWD/sf/${iso_dir}/${iso_name}.iso.md5";
      fi
      echo "md5sum $CWD/sf/${iso_dir}/${iso_name}.iso"
      md5sum     "${iso_name}.iso" > "$CWD/sf/${iso_dir}/${iso_name}.iso.md5"

      if [ -f "$CWD/sf/${iso_dir}/${iso_name}.iso.sha1" ]; then
          rm "$CWD/sf/${iso_dir}/${iso_name}.iso.sha1";
      fi
      echo "sha1sum $CWD/sf/${iso_dir}/${iso_name}.iso"
      sha1sum     "${iso_name}.iso" > "$CWD/sf/${iso_dir}/${iso_name}.iso.sha1"

      if [ -f "$CWD/sf/${iso_dir}/${iso_name}.iso.sha256" ]; then
          rm "$CWD/sf/${iso_dir}/${iso_name}.iso.sha256";
      fi
      echo "sha256sum $CWD/sf/${iso_dir}/${iso_name}.iso"
      sha256sum   "${iso_name}.iso" > "$CWD/sf/${iso_dir}/${iso_name}.iso.sha256"

      cd ".."

      if [ -f "$CWD/sf/${iso_dir}/${iso_name}.torrent" ]; then
        rm "$CWD/sf/${iso_dir}/${iso_name}.torrent"
      fi

      if [ -f "$CWD/sf/${iso_dir}/${iso_name}.iso.torrent" ]; then
        rm "$CWD/sf/${iso_dir}/${iso_name}.iso.torrent"
      fi

      mkdir "$CWD/sf/${iso_dir}/part"
      rm "$CWD/sf/${iso_dir}/part/${iso_name}.iso.part."*
      split -d --bytes=1024M "$CWD/sf/${iso_dir}/${iso_name}.iso" "$CWD/sf/${iso_dir}/part/${iso_name}.iso.part."
      cp -vf "$CWD/merge_parted_iso.sh" "$CWD/sf/${iso_dir}/part/"

      baselink="https://downloads.sourceforge.net/project/melawy-linux/${iso_dir}"
      links=""

      for i in $(ls -1 ${iso_dir})
      do
        links+=$(echo "$baselink/$i," | grep -v "torrent" | tr -d '[:blank:]' | tr -d '[:space:]' | tr -d '[:cntrl:]' | sed 's/[/]$//' | awk '{$1=$1;print}')
      done

      links=$(echo $links | sed 's/[,]$//' | tr -d '[:blank:]' | tr -d '[:space:]' | tr -d '[:cntrl:]' | sed 's/[/]$//' | awk '{$1=$1;print}')

#       mktorrent --verbose --comment="https://melawy.ru" --announce="udp://fosstorrents.com:6969/announce,udp://tracker.opentrackr.org:1337/announce,udp://opentracker.i2p.rocks:6969/announce,udp://open.demonii.com:1337/announce,udp://tracker.openbittorrent.com:6969/announce,http://tracker.openbittorrent.com:80/announce,udp://open.stealth.si:80/announce,udp://tracker.torrent.eu.org:451/announce,udp://exodus.desync.com:6969/announce,udp://tracker1.bt.moack.co.kr:80/announce,udp://tracker.moeking.me:6969/announce,udp://explodie.org:6969/announce,https://tracker.tamersunion.org:443/announce,udp://uploads.gamecoast.net:6969/announce,udp://tracker.tiny-vps.com:6969/announce,udp://tracker.bittor.pw:1337/announce,udp://retracker01-msk-virt.corbina.net:80/announce,udp://movies.zsw.ca:6969/announce,udp://isk.richardsw.club:6969/announce,https://tracker.renfei.net:443/announce,https://tr.burnabyhighstar.com:443/announce,http://fosstorrents.com:6969/announce" --web-seed="${links}" --output="${iso_dir}/${iso_name}.torrent" "${iso_dir}"

#       transmission-create --anonymize --comment="https://melawy.ru" --tracker="udp://fosstorrents.com:6969/announce,udp://tracker.opentrackr.org:1337/announce,udp://opentracker.i2p.rocks:6969/announce,udp://open.demonii.com:1337/announce,udp://tracker.openbittorrent.com:6969/announce,http://tracker.openbittorrent.com:80/announce,udp://open.stealth.si:80/announce,udp://tracker.torrent.eu.org:451/announce,udp://exodus.desync.com:6969/announce,udp://tracker1.bt.moack.co.kr:80/announce,udp://tracker.moeking.me:6969/announce,udp://explodie.org:6969/announce,https://tracker.tamersunion.org:443/announce,udp://uploads.gamecoast.net:6969/announce,udp://tracker.tiny-vps.com:6969/announce,udp://tracker.bittor.pw:1337/announce,udp://retracker01-msk-virt.corbina.net:80/announce,udp://movies.zsw.ca:6969/announce,udp://isk.richardsw.club:6969/announce,https://tracker.renfei.net:443/announce,https://tr.burnabyhighstar.com:443/announce,http://fosstorrents.com:6969/announce" --webseed="${links}" --outfile="${iso_dir}/${iso_name}.torrent" "${iso_dir}"

#       buildtorrent --nodate --nocreator --md5sum --show --comment="https://melawy.ru" --announce="udp://fosstorrents.com:6969/announce" --announcelist="udp://fosstorrents.com:6969/announce,udp://tracker.opentrackr.org:1337/announce,udp://opentracker.i2p.rocks:6969/announce,udp://open.demonii.com:1337/announce,udp://tracker.openbittorrent.com:6969/announce,http://tracker.openbittorrent.com:80/announce,udp://open.stealth.si:80/announce,udp://tracker.torrent.eu.org:451/announce,udp://exodus.desync.com:6969/announce,udp://tracker1.bt.moack.co.kr:80/announce,udp://tracker.moeking.me:6969/announce,udp://explodie.org:6969/announce,https://tracker.tamersunion.org:443/announce,udp://uploads.gamecoast.net:6969/announce,udp://tracker.tiny-vps.com:6969/announce,udp://tracker.bittor.pw:1337/announce,udp://retracker01-msk-virt.corbina.net:80/announce,udp://movies.zsw.ca:6969/announce,udp://isk.richardsw.club:6969/announce,https://tracker.renfei.net:443/announce,https://tr.burnabyhighstar.com:443/announce,http://fosstorrents.com:6969/announce" --webseeds="${links}" "${iso_dir}" "${iso_dir}/${iso_name}.torrent"

      buildtorrent --nodate --nocreator --md5sum --show --comment="https://melawy.ru" --announce="udp://fosstorrents.com:6969/announce" --announcelist="udp://fosstorrents.com:6969/announce,udp://tracker.opentrackr.org:1337/announce,udp://opentracker.i2p.rocks:6969/announce,udp://open.demonii.com:1337/announce,udp://tracker.openbittorrent.com:6969/announce,http://tracker.openbittorrent.com:80/announce,udp://open.stealth.si:80/announce,udp://tracker.torrent.eu.org:451/announce,udp://exodus.desync.com:6969/announce,udp://tracker1.bt.moack.co.kr:80/announce,udp://tracker.moeking.me:6969/announce,udp://explodie.org:6969/announce,https://tracker.tamersunion.org:443/announce,udp://uploads.gamecoast.net:6969/announce,udp://tracker.tiny-vps.com:6969/announce,udp://tracker.bittor.pw:1337/announce,udp://retracker01-msk-virt.corbina.net:80/announce,udp://movies.zsw.ca:6969/announce,udp://isk.richardsw.club:6969/announce,https://tracker.renfei.net:443/announce,https://tr.burnabyhighstar.com:443/announce,http://fosstorrents.com:6969/announce" "${iso_dir}" "${iso_dir}/${iso_name}.torrent"

      buildtorrent --nodate --nocreator --md5sum --show --comment="https://melawy.ru" --announce="udp://fosstorrents.com:6969/announce" --announcelist="udp://fosstorrents.com:6969/announce,udp://tracker.opentrackr.org:1337/announce,udp://opentracker.i2p.rocks:6969/announce,udp://open.demonii.com:1337/announce,udp://tracker.openbittorrent.com:6969/announce,http://tracker.openbittorrent.com:80/announce,udp://open.stealth.si:80/announce,udp://tracker.torrent.eu.org:451/announce,udp://exodus.desync.com:6969/announce,udp://tracker1.bt.moack.co.kr:80/announce,udp://tracker.moeking.me:6969/announce,udp://explodie.org:6969/announce,https://tracker.tamersunion.org:443/announce,udp://uploads.gamecoast.net:6969/announce,udp://tracker.tiny-vps.com:6969/announce,udp://tracker.bittor.pw:1337/announce,udp://retracker01-msk-virt.corbina.net:80/announce,udp://movies.zsw.ca:6969/announce,udp://isk.richardsw.club:6969/announce,https://tracker.renfei.net:443/announce,https://tr.burnabyhighstar.com:443/announce,http://fosstorrents.com:6969/announce" "${iso_dir}/${iso_name}.iso" "${iso_dir}/${iso_name}.iso.torrent"

      chown -R $user:$group "$CWD/sf"
    fi

    cd "$CWD"
    echo "PWD: $CWD"

    ELAPSED="Elapsed: $(($SECONDS / 3600))hrs $((($SECONDS / 60) % 60))min $(($SECONDS % 60))sec"
    echo -e "\n$ELAPSED\n"
}

function std_build() {
    MAIN_SECONDS=0
    clean
    sleep $DELAY

    prepare
    sleep $DELAY

    build
    sleep $DELAY

    sign
    sleep $DELAY

    _notify
    sleep $DELAY

    MAIN_ELAPSED="Elapsed: $(($MAIN_SECONDS / 3600))hrs $((($MAIN_SECONDS / 60) % 60))min $(($MAIN_SECONDS % 60))sec"
    echo -e "\n$MAIN_ELAPSED\n"

    exit
}

function get_users() { /usr/bin/users | sed 's| |\n|g' | sort | uniq ; }

_notify() {
    local msg="Finished"
    local title="Make"

    # at TTY
    echo "==> INFO: $msg" >&2

    if command -v notify-send &> /dev/null
    then
        # notification
        local user userid cmd

        for user in $(get_users) ; do
            userid=$(/usr/bin/id -u $user)
            cmd=(
                DISPLAY=:0
                DBUS_SESSION_BUS_ADDRESS=unix:path=/run/user/$userid/bus
                /usr/bin/notify-send
                --expire-time=10000
                --icon=info
                --urgency=normal
                "'$title'"
                "'$msg'"
            )
            /usr/bin/su $user -c "${cmd[*]}"
        done
    fi
}


while true; do

  cd "$CWD"
  echo "PWD: $CWD"

#   clear
  cat << _EOF_
Please Select:

1 - Melawy-Linux-Base-System
2 - Melawy-Linux-Developer-Edition
3 - Melawy-Linux-Developer-Edition-Full
4 - Melawy-Linux-NetInstall
0 - Exit

_EOF_

  read -p "Enter selection [0-3] > "

  dir=""

  if [[ $REPLY =~ ^[0-4]$ ]]; then
    case $REPLY in
      1)
        dir="Melawy-Linux-Base-System"
        sleep $DELAY
#         continue
        ;;
      2)
        dir="Melawy-Linux-Developer-Edition"
        sleep $DELAY
#         continue
        ;;
      3)
        dir="Melawy-Linux-Developer-Edition-Full"
        sleep $DELAY
#         continue
        ;;
      4)
        dir="Melawy-Linux-NetInstall"
        sleep $DELAY
#         continue
        ;;
      0)
        break
        ;;
    esac
  else
    echo "Invalid entry."
    sleep $DELAY
    continue
  fi

#   clear
  cat << _EOF_
Please Select:

1 - Clean
2 - Mirrorlist
3 - Prepare
4 - Build
5 - Sign
6 - Std build chain
0 - Exit

_EOF_

  read -p "Enter selection [0-6] > "

  edition="$(basename $(pwd)/${dir})"
  date_tag=$(date +%Y.%m.%d)
  std_iso_name="Melawy-Linux-${date_tag}-x86_64"
  std_iso_name_manjaro="Melawy-Linux-manjaro-${date_tag}-x86_64"
  iso_name="${edition}-${date_tag}-x86_64"
  iso_dir="${edition}-${date_tag}"

  if [[ $REPLY =~ ^[0-6]$ ]]; then
    case $REPLY in
      1)
        clean
        sleep $DELAY
        continue
        ;;
      2)
        mirrorlist
        sleep $DELAY
        continue
        ;;
      3)
        prepare
        sleep $DELAY
        continue
        ;;
      4)
        build
        sleep $DELAY
        continue
        ;;
      5)
        sign
        sleep $DELAY
        continue
        ;;
      6)
        std_build
        sleep $DELAY
        continue
        ;;
      0)
        break
        ;;
    esac
  else
    echo "Invalid entry."
    sleep $DELAY
    continue
  fi
done

# notify-send -a "$(basename $(pwd)): Make" -t 10000 "finished" "$(date '+%Y.%m.%d %H:%M:%S')"

_notify

echo "Ready"
#
# if [ "$status" == 0 ]; then
#     sleep 5
#     kill $(ps x | grep konsole | grep $0 | awk '{print $1}')
# fi