# file      : brep/submit/submit.bash.in
# copyright : Copyright (c) 2014-2018 Code Synthesis Ltd
# license   : MIT; see accompanying LICENSE file

if [ "$brep_submit" ]; then
  return 0
else
  brep_submit=true
fi

@import libbutl/manifest-serializer@

# Diagnostics.
#

# We expect the user to set the verbose variable either to true or empty
# (false).
#
if [ ! -v verbose ]; then
  echo "variable 'verbose' is not set" 2>&1
  exit 1
fi

# Normally the brep module's log record looks like this:
#
# [Mon Jul 23 17:48:46.945079 2018] [brep:error] [pid 123:tid 456] [brep::submit::init]: error description
#
# We will use the (almost) same format for our diagnostics (redirected to the
# Apache's error_log) so it can easily be attributed to the brep module.
#
info_self="$(basename $0)"
info_ref="$(basename "${!#/}")" # Last argument is the submission directory.

function info () # <severity> <text>
{
  local severity="$1"
  shift

  # Note: %N is Linux-specific.
  #
  local ts
  if ! ts="$(date +"%a %b %d %H:%M:%S.%6N %Y")"; then
    ts=
  fi

  echo "[$ts] [brep:$severity] [ref $info_ref] [$info_self]: $*" 1>&2;
}

function error () { info "error" "$*"; exit 1; }
function trace () { if [ "$verbose" ]; then info "info" "$*"; fi }

# Serialize one manifest name/value pair.
#
function serialize () # <name> <value>
{
  printf "%s:%s\0" "$1" "$2" >&"$butl_manifest_serializer_ifd"
}

# Serialize the submission result manifest to stdout.
#
function result_manifest () # <status> <message> [<reference>]
{
  local sts="$1"
  local msg="$2"
  local ref="$3"

  trace "serializing result manifest"
  butl_manifest_serializer_start

  serialize ""        "1"    # Start of manifest.
  serialize "status"  "$sts"
  serialize "message" "$msg"

  if [ -n "$ref" ]; then
    serialize "reference" "$ref"
  fi

  butl_manifest_serializer_finish
}

# Verify the archive is a valid bpkg package and extract its manifest file.
#
function extract_package_manifest () # <archive> <manifest>
{
  local arc="$1"
  local man="$2"

  # Should we remove the submission directory with an invalid package?
  # Probably it's better to leave it for potential investigation. Note that we
  # can always grep for such directories based on the result.manifest file
  # they contain.
  #
  if ! bpkg pkg-verify --manifest "$arc" >"$man" 2>/dev/null; then
    trace "$arc is not a valid package"
    result_manifest 400 "archive is not a valid package (run bpkg pkg-verify for details)"
    exit 0
  fi
}