#!/usr/bin/env bash
source "$PLUGIN_CORE_AVAILABLE_PATH/common/functions"
source "$PLUGIN_AVAILABLE_PATH/config/functions"
set -eo pipefail
[[ $DOKKU_TRACE ]] && set -x

trigger-builder-nixpacks-builder-build() {
  declare desc="builder-nixpacks builder-build plugin trigger"
  declare trigger="builder-build"
  declare BUILDER_TYPE="$1" APP="$2" SOURCECODE_WORK_DIR="$3"

  if [[ "$BUILDER_TYPE" != "nixpacks" ]]; then
    return
  fi

  dokku_log_info1 "Building $APP with nixpacks"

  if ! command -v "nixpacks" &>/dev/null; then
    dokku_log_fail "Missing nixpacks, install it"
  fi

  local IMAGE=$(get_app_image_name "$APP")

  pushd "$SOURCECODE_WORK_DIR" &>/dev/null

  ENV_ARGS=($(config_export app "$APP" --format nixpacks-keys --merged))
  eval "$(config_export app "$APP" --merged)"

  plugn trigger pre-build-nixpacks "$APP" "$SOURCECODE_WORK_DIR"

  if ! cd "$SOURCECODE_WORK_DIR" > /dev/null 2>&1; then
    dokku_log_fail "Could not change to '$SOURCECODE_WORK_DIR'"
  fi

  nixpacks build "$IMAGE" \
    --env "${ENV_ARGS[@]}" \
    --name "$IMAGE"
  docker-image-labeler --label=dokku --label=org.label-schema.schema-version=1.0 --label=org.label-schema.vendor=dokku --label=com.dokku.image-stage=build --label=com.dokku.builder-type=pack --label=com.dokku.app-name=$APP "$IMAGE"

  plugn trigger post-build-nixpacks "$APP" "$SOURCECODE_WORK_DIR"
}

trigger-builder-nixpacks-builder-build "$@"