#!/bin/bash

# The problem-matcher definition must be present in the repository
# checkout (outside the Docker container running hadolint). We copy
# problem-matcher.json to the home folder.
PROBLEM_MATCHER_FILE="/problem-matcher.json"
if [ -f "$PROBLEM_MATCHER_FILE" ]; then
    cp "$PROBLEM_MATCHER_FILE" "$HOME/"
fi

# After the run has finished we remove the problem-matcher.json from
# the repository so we don't leave the checkout dirty. We also remove
# the matcher so it won't take effect in later steps.
cleanup() {
    echo "::remove-matcher owner=brpaz/hadolint-action::"
}
trap cleanup EXIT

echo "::add-matcher::$HOME/problem-matcher.json"

if [ -n "$HADOLINT_CONFIG" ]; then
  HADOLINT_CONFIG="-c ${HADOLINT_CONFIG}"
fi

if [ -z "$HADOLINT_TRUSTED_REGISTRIES" ]; then
  unset HADOLINT_TRUSTED_REGISTRIES;
fi

COMMAND="hadolint $HADOLINT_CONFIG"

if [ "$HADOLINT_RECURSIVE" = "true" ]; then
  shopt -s globstar

  filename="${!#}"
  flags="${@:1:$#-1}"

  RESULTS=$(eval "$COMMAND $flags" -- **/$filename)
else

  RESULTS=$(eval "$COMMAND" "$@")
fi
FAILED=$?

if [ -n "$HADOLINT_OUTPUT" ]; then
  if [ -f "$HADOLINT_OUTPUT" ]; then
    HADOLINT_OUTPUT="$TMP_FOLDER/$HADOLINT_OUTPUT"
  fi
  echo "$RESULTS" > "$HADOLINT_OUTPUT"
fi

if [ "$HADOLINT_RESULTS_TO_CONSOLE" = "true" ]; then
    echo "$RESULTS"
fi

RESULTS="${RESULTS//$'\\n'/''}"

{ echo "results<<EOF"; echo "$RESULTS"; echo "EOF"; } >> "$GITHUB_OUTPUT"

{ echo "HADOLINT_RESULTS<<EOF"; echo "$RESULTS"; echo "EOF"; } >> "$GITHUB_ENV"

[ -z "$HADOLINT_OUTPUT" ] || echo "Hadolint output saved to: $HADOLINT_OUTPUT"

exit $FAILED