#!/usr/bin/env sh
set -eu

SCRIPT_DIR=$(CDPATH= cd -- "$(dirname -- "$0")" && pwd)
PLUGIN_DIR=$(CDPATH= cd -- "$SCRIPT_DIR/.." && pwd)
CONTAINER=${1:-cx-onlyoffice}
PACKAGE_NAME=eln-template-annotator.plugin
PLUGIN_GUID='{2D6D6CB6-F6FC-45B7-8EC7-0CC1940F1A6F}'
MANIFEST_GUID='asc.{2D6D6CB6-F6FC-45B7-8EC7-0CC1940F1A6F}'
CONTAINER_PACKAGE="/tmp/$PACKAGE_NAME.$$"
PLUGINS_DIR=/var/www/onlyoffice/documentserver/sdkjs-plugins
TOOLS_DIR=/var/www/onlyoffice/documentserver/server/tools
LIB_DIR=/var/www/onlyoffice/documentserver/server/FileConverter/bin
REPLACE_SCRIPT="$SCRIPT_DIR/replace-plugin-directory.sh"
CONTAINER_REPLACE_SCRIPT="/tmp/replace-plugin-directory.$$.sh"
INSTALL_DIR="$PLUGINS_DIR/.$PLUGIN_GUID.install.$$"
BACKUP_DIR="$PLUGINS_DIR/.$PLUGIN_GUID.backup.$$"

if [ ! -f "$REPLACE_SCRIPT" ]; then
  printf '%s\n' "Plugin replacement script does not exist: $REPLACE_SCRIPT" >&2
  exit 1
fi

if [ -n "${ONLYOFFICE_PLUGIN_PACKAGE:-}" ]; then
  case "$ONLYOFFICE_PLUGIN_PACKAGE" in
    /*) ;;
    *)
      printf '%s\n' 'ONLYOFFICE_PLUGIN_PACKAGE must be an absolute file path' >&2
      exit 1
      ;;
  esac
  if [ ! -f "$ONLYOFFICE_PLUGIN_PACKAGE" ]; then
    printf '%s\n' "ONLYOFFICE_PLUGIN_PACKAGE does not exist: $ONLYOFFICE_PLUGIN_PACKAGE" >&2
    exit 1
  fi
  PACKAGE=$ONLYOFFICE_PLUGIN_PACKAGE
else
  PACKAGE=$("$SCRIPT_DIR/package.sh")
fi

unzip -tq "$PACKAGE" >/dev/null
ARCHIVE_ENTRIES=$(unzip -Z1 "$PACKAGE")

has_archive_file() {
  printf '%s\n' "$ARCHIVE_ENTRIES" | grep -F -x -e "$1" >/dev/null
}

if ! has_archive_file 'config.json'; then
  printf '%s\n' 'Plugin package is missing config.json' >&2
  exit 1
fi

if ! has_archive_file 'translations/langs.json'; then
  printf '%s\n' 'Plugin package is missing translations/langs.json' >&2
  exit 1
fi

MANIFEST=$(unzip -p "$PACKAGE" config.json)
printf '%s\n' "$MANIFEST" | jq -e \
  --arg guid "$MANIFEST_GUID" \
  '.guid == $guid and
   .version == "0.1.0"' >/dev/null

PAGE_ENTRY=$(printf '%s\n' "$MANIFEST" | jq -e -r \
  '.variations[0].url |
   select(type == "string") |
   split("?")[0] |
   select(. == "index.html")')
if ! has_archive_file "$PAGE_ENTRY"; then
  printf '%s\n' "Plugin package is missing manifest page: $PAGE_ENTRY" >&2
  exit 1
fi

printf '%s\n' "$MANIFEST" | jq -e \
  '.variations[0].icons |
   type == "array" and
   length > 0 and
   all(.[]; type == "string" and length > 0)' >/dev/null
ICON_ENTRIES=$(printf '%s\n' "$MANIFEST" | jq -r '.variations[0].icons[]')
printf '%s\n' "$ICON_ENTRIES" | while IFS= read -r icon_entry; do
  if ! has_archive_file "$icon_entry"; then
    printf '%s\n' "Plugin package is missing manifest icon: $icon_entry" >&2
    exit 1
  fi
done

cleanup_container_package() {
  status=$?
  trap - EXIT HUP INT TERM
  docker exec "$CONTAINER" rm -f "$CONTAINER_PACKAGE" "$CONTAINER_REPLACE_SCRIPT" >/dev/null 2>&1 || true
  exit "$status"
}

trap cleanup_container_package EXIT
trap 'exit 1' HUP INT TERM

docker cp "$PACKAGE" "$CONTAINER:$CONTAINER_PACKAGE"
docker cp "$REPLACE_SCRIPT" "$CONTAINER:$CONTAINER_REPLACE_SCRIPT"

if docker exec "$CONTAINER" test -f "$PLUGINS_DIR/$PLUGIN_GUID/config.json"; then
  docker exec "$CONTAINER" sh "$CONTAINER_REPLACE_SCRIPT" "$CONTAINER_PACKAGE" "$PLUGINS_DIR/$PLUGIN_GUID" "$INSTALL_DIR" "$BACKUP_DIR"
else
  docker exec \
    -e LD_LIBRARY_PATH="$LIB_DIR" \
    "$CONTAINER" \
    "$TOOLS_DIR/pluginsmanager" \
    --directory="$PLUGINS_DIR" \
    --install="$CONTAINER_PACKAGE"
fi

docker exec "$CONTAINER" find "$PLUGINS_DIR/$PLUGIN_GUID" -type f -name '*.gz' -delete

printf '%s\n' "Installed $PACKAGE_NAME into $CONTAINER"