#!/bin/bash

TEMP_DIR=$(mktemp -d)

DEST_DIR=$1
CURRENT_DIR=$(dirname "$0")
CURRENT_DIR=$(realpath ${CURRENT_DIR})

. "${CURRENT_DIR}/env.sh" "$2" "$3" "$4" "$5" "$6"

function error_exit() {
  echo $1
  rm -rf ${TEMP_DIR}
  exit $2
}

function create_file_validations() {
  local SOURCE_FILE=$1
  sha256sum ${SOURCE_FILE} >${SOURCE_FILE}.sha256 || error_exit "failed to create sha256 for file: ${SOURCE_FILE}" 1
  if [ "${PROJECT_PRIVATE_KEY}" != "" ]; then
    openssl dgst -sha256 -sign "${PROJECT_PRIVATE_KEY}" -out "${SOURCE_FILE}.sig" "${SOURCE_FILE}" || error_exit "failed to create signature for file: ${SOURCE_FILE}" 1
    openssl dgst -sha256 -verify "${PROJECT_PUBLIC_KEY}" -signature "${SOURCE_FILE}.sig" "${SOURCE_FILE}" || error_exit "failed to validate signature for file: ${SOURCE_FILE}" 1
  fi
}

if [ ! -d "${PROJECT_DIST_DIR}" ]; then
  error_exit "dist directory not found: ${PROJECT_DIST_DIR}" 2
fi

if [ "${DEST_DIR}" == "" ]; then
  DEST_DIR="${PROJECT_DIST_DIR}"
fi
DEST_DIR=$(realpath "${DEST_DIR}")

if [ ! -d "${DEST_DIR}" ]; then
  error_exit "dest directory not found: ${DEST_DIR}" 1
fi

FILE_PART=${PROJECT_NAME}_${PROJECT_MAJOR_VERSION}.${PROJECT_MINOR_VERSION}.${PROJECT_REVISION_VERSION}-${PROJECT_RELEASE_ITER}-${PROJECT_GIT_REV}_${PROJECT_BUILD_ARCH}_${PROJECT_OS}

OUT_FILE=${FILE_PART}.tar.gz
pushd "${DEST_DIR}"
if [ -f "${OUT_FILE}" ]; then
  rm -f "${OUT_FILE}" || error_exit "failed to delete file: ${OUT_FILE}" 1
fi
if [ -f "${OUT_FILE}.sha256" ]; then
  rm -f "${OUT_FILE}.sha256" || error_exit "failed to delete file: ${OUT_FILE}.sha256" 1
fi
if [ -f "${OUT_FILE}.sig" ]; then
  rm -f "${OUT_FILE}.sig" || error_exit "failed to delete file: ${OUT_FILE}.sig" 1
fi
popd

rsync -av --progress ${PROJECT_DIST_DIR}/ ${TEMP_DIR}/${PROJECT_NAME}/ || error_exit "failed to rsync" 1

pushd "${TEMP_DIR}/${PROJECT_NAME}/"
IFS=$'\n'
set -f
FILE_LIST=$(find . -type f)
for FILE in ${FILE_LIST}; do
  create_file_validations "${FILE}"
done
unset IFS
set +f
popd

pushd "${DEST_DIR}"
tar cvzf "${OUT_FILE}" -C ${TEMP_DIR} . || error_exit "failed to create archive: ${OUT_FILE}" 1
create_file_validations "${OUT_FILE}"
popd

error_exit "created package ${FILE_PART}" 0