#!/bin/bash

# Batch creation of NextCloudPi LXD image
#
# Copyleft 2021 by Ignacio Nunez Hernanz <nacho _a_t_ ownyourbits _d_o_t_ com>
# GPL licensed (see end of file) * Use at your own risk!
#
# Usage:
#

set -ex
source build/buildlib.sh

echo -e "\e[1m\n[ Build NCP LXD ]\e[0m"

#CLEAN=0                    # Pass this envvar to skip cleaning download cache
IMG="NextcloudPi_LXD_$( date  "+%m-%d-%y" ).img"
IMG=tmp/"$IMG"

TAR=output/"$( basename "$IMG" .img ).tar.bz2"

test -f "$TAR" && { echo "$TAR already exists. Skipping... "; exit 0; }

##############################################################################

## preparations

test -f "$TAR" && { echo "$TAR already exists. Skipping... "; exit 0; }
set -e
prepare_dirs                   # tmp cache output

## BUILD NCP

debian_version="$(. etc/library.sh > /dev/null 2>&1; echo "${RELEASE%%-security}")"

LXC_CMD=(lxc)
[[ "$USE_INCUS" == "yes" ]] && LXC_CMD=(incus)

"${LXC_CMD[@]}" info || LXC_CMD=(sudo "${LXC_CMD[0]}")

"${LXC_CMD[@]}" delete -f ncp 2>/dev/null || true
LXC_CREATE=("${LXC_CMD[@]}" init -p default)
[[ -n "$LXD_EXTRA_PROFILE" ]] && LXC_CREATE+=(-p "$LXD_EXTRA_PROFILE")
if [[ -n "$LXD_ARCH" ]] && [[ "$LXD_ARCH" != "x86" ]]
then
  echo "Building for architecture: $LXD_ARCH"
  LXC_CREATE+=("images:debian/${debian_version}/$LXD_ARCH")
else
  LXC_CREATE+=("images:debian/${debian_version}")
fi
LXC_CREATE+=(ncp)
"${LXC_CREATE[@]}"

#if [[ -n "$LXD_ARCH" ]] && [[ "$LXD_ARCH" != "x86" ]]
#then
#  if [[ -f "qemu-aarch64-static" ]]
#  then
#    lxc file push qemu-aarch64-static ncp/usr/bin/
#    lxc file push qemu-arm-static ncp/usr/bin/
#  else
#    lxc file push /usr/bin/qemu-aarch64-static ncp/usr/bin
#    lxc file push /usr/bin/qemu-arm-static ncp/usr/bin
#  fi
#fi

set -x
EXEC_ARGS=()
[[ -z "$BRANCH" ]] || EXEC_ARGS+=(--env "BRANCH=${BRANCH}")
systemd-run --user --scope -p "Delegate=yes" "${LXC_CMD[@]}" start ncp -q || \
sudo systemd-run --scope -p "Delegate=yes" "${LXC_CMD[@]}" start ncp -q || {
  rc=$?
  "${LXC_CMD[@]}" info --show-log ncp
  exit $rc
}
"${LXC_CMD[@]}" config device add ncp buildcode disk source="$(pwd)" path=/build
"${LXC_CMD[@]}" exec ncp "${EXEC_ARGS[@]}" -- bash -c 'while [ "$(systemctl is-system-running 2>/dev/null)" != "running" ] && [ "$(systemctl is-system-running 2>/dev/null)" != "degraded" ]; do :; done'
"${LXC_CMD[@]}" exec ncp "${EXEC_ARGS[@]}" -- bash -c 'CODE_DIR=/build DBG=x bash /build/install.sh'
"${LXC_CMD[@]}" exec ncp "${EXEC_ARGS[@]}" -- bash -c 'source /build/etc/library.sh; run_app_unsafe /build/post-inst.sh'
"${LXC_CMD[@]}" exec ncp "${EXEC_ARGS[@]}" -- bash -c "echo '$(basename "$IMG")' > /usr/local/etc/ncp-baseimage"
"${LXC_CMD[@]}" stop ncp
"${LXC_CMD[@]}" config device remove ncp buildcode
"${LXC_CMD[@]}" publish -q ncp -f --alias ncp/"${version}"

## pack
[[ " $* " =~ .*" --pack ".* ]] && "${LXC_CMD[@]}" image export -q ncp/"${version}" "$TAR"

exit 0

## test
#set_static_IP "$IMG" "$IP"
#test_image    "$IMG" "$IP"

# upload
#create_torrent "$TAR"
#upload_ftp "$( basename "$TAR" .tar.bz2 )"


# License
#
# This script is free software; you can redistribute it and/or modify it
# under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This script is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this script; if not, write to the
# Free Software Foundation, Inc., 59 Temple Place, Suite 330,
# Boston, MA  02111-1307  USA