.GiteaComposerPackage: &GiteaComposerPackage
  name: GiteaComposerPackage
  image: composer:2
  
  environment:
    VERSION_COMMIT_ENABLE: "false"
    VERSION_BRANCH_ENABLE: "false"
    VERSION_TAG_ENABLE: "true"

  commands: 
    - &GiteaComposerPackageCommands |
      # drone does not support expanding vars in environment values, set defaults via bash
      if [[ -z "$COMPOSER_PACKAGE_DIR" ]]; then COMPOSER_PACKAGE_DIR=$DRONE_WORKSPACE_BASE; fi
      COMPOSER_PACKAGE_DIR=$(realpath $COMPOSER_PACKAGE_DIR)
      COMPOSER_PACKAGE_FILE=$COMPOSER_PACKAGE_DIR/package.zip

      # unset ".version" in composer.json as it interfers with setting version via GET param ?version=
      apk add --no-cache jq
      jq 'del(.version)' $COMPOSER_PACKAGE_DIR/composer.json > $COMPOSER_PACKAGE_DIR/composer.json.tmp
      mv $COMPOSER_PACKAGE_DIR/composer.json.tmp $COMPOSER_PACKAGE_DIR/composer.json

      # create zip
      cd $COMPOSER_PACKAGE_DIR
      zip -r $COMPOSER_PACKAGE_FILE . \
        -x '*.git/*'

      # TODO handle package already exists
      # TODO report errors and fail job
      # prepare upload helper function
      function upload_composer_package() {
        VERSION=$1
        echo "# uploading package to $GITEA_PACKAGES_API/$CI_PROJECT_NAMESPACE/composer?version=$VERSION"
        curl --user "$CI_REGISTRY_USER:$CI_REGISTRY_PASSWORD" \
          --upload-file $COMPOSER_PACKAGE_FILE \
          $GITEA_PACKAGES_API/$CI_PROJECT_NAMESPACE/composer?version=$VERSION
      }

      # add tag for reference if available using normalization
      # - attempt to build tag first
      # - attempt to build branch if not a PR (if not PR for extra security, variable description on drone unclear)
      if [[ "$VERSION_TAG_ENABLE" == "true" ]] && [[ ! -z $DRONE_TAG ]]; then
        REF_TAG_NORMALIZED=$(echo $DRONE_TAG | sed s:/:-:g | sed -e "s/^v//")
        upload_composer_package "$REF_TAG_NORMALIZED"
      elif [[ "$VERSION_BRANCH_ENABLE" == "true" ]] && [[ -z "$DRONE_PULL_REQUEST" ]] && [[ ! -z $DRONE_BRANCH ]]; then
        REF_TAG_NORMALIZED=$(echo $DRONE_BRANCH | sed s:/:-:g)
        upload_composer_package "dev-$REF_TAG_NORMALIZED"

        # version based on commit
        if [[ "$VERSION_COMMIT_ENABLE" == "true" ]]; then
          upload_composer_package "dev-commit-$CI_COMMIT_SHA"
        fi
      fi