#!/usr/bin/env bash

set -euo pipefail

GRADLEW="${GRADLEW:-./gradlew}"

git reset --hard
git checkout "${PR_BRANCH}"

if ! probe_output="$("${GRADLEW}" --build-cache -q help --task spotlessApply 2>&1)"; then
  if grep -q "Task 'spotlessApply' not found" <<< "${probe_output}"; then
    echo "spotlessApply does not exist in this build; nothing to do"
    exit 0
  fi
  echo "${probe_output}"
  echo "Could not determine whether spotlessApply exists"
  exit 1
fi

"${GRADLEW}" --build-cache --info --stacktrace spotlessApply

if git diff --exit-code; then
  echo "spotlessApply changed nothing; no fix PR created"
  exit 0
fi

git config user.name "GitHub GTNH Actions"
git config user.email "<>"
git switch -c "${FIXED_BRANCH}"
git commit -am "spotlessApply"
git push --force-with-lease origin "${FIXED_BRANCH}"
gh pr create \
  --head "${FIXED_BRANCH}" \
  --base "${PR_BRANCH}" \
  --title "Spotless apply for branch ${PR_BRANCH} for #${PR_NUMBER}" \
  --body "Automatic spotless apply to fix formatting errors, applies to PR #${PR_NUMBER}" \
  2>&1 | tee pr-message.log || true
gh pr comment "${PR_BRANCH}" -F pr-message.log || true