#!/usr/bin/env bash
# Desktop/Frontend 변경 push 시 semver bump 필수 (plain git push 차단)
set -euo pipefail

ROOT="$(git rev-parse --show-toplevel 2>/dev/null || pwd)"
cd "$ROOT"

DESKTOP_PATHS='^(desktop/|frontend/|scripts/(build-desktop|jenkins-desktop|publish-desktop|bump-desktop))'

read_local_version() {
  "$ROOT/scripts/read-desktop-version.sh" 2>/dev/null || echo "0.0.0"
}

read_remote_version() {
  local remote_ref="$1"
  git show "${remote_ref}:desktop/src-tauri/tauri.conf.json" 2>/dev/null \
    | node -e "let d='';process.stdin.on('data',c=>d+=c);process.stdin.on('end',()=>{try{console.log(JSON.parse(d).version||'0.0.0')}catch{console.log('0.0.0')}})" \
    || echo "0.0.0"
}

version_gt() {
  node -e "
const parse = v => String(v||'0').replace(/^v/i,'').split('.').map(n=>parseInt(n,10)||0);
const a=parse(process.argv[1]), b=parse(process.argv[2]);
for(let i=0;i<3;i++){const d=(a[i]||0)-(b[i]||0);if(d){process.exit(d>0?0:1)}}
process.exit(0);
" "$1" "$2"
}

while read -r _local_ref local_sha _remote_ref remote_sha; do
  [[ "$local_sha" == "0000000000000000000000000000000000000000" ]] && continue

  if [[ "$remote_sha" == "0000000000000000000000000000000000000000" ]]; then
    range="$local_sha"
  else
    range="${remote_sha}..${local_sha}"
  fi

  if ! git diff --name-only "$range" 2>/dev/null | grep -Eq "$DESKTOP_PATHS"; then
    continue
  fi

  local_ver="$(read_local_version)"
  remote_ver="$(read_remote_version "$remote_sha")"

  if version_gt "$local_ver" "$remote_ver"; then
    continue
  fi

  echo ""
  echo "━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━"
  echo "  Desktop/Frontend 변경 push — semver bump 가 필요합니다."
  echo "  로컬 v${local_ver} ≤ 원격 v${remote_ver}"
  echo ""
  echo "  다음 명령으로 bump + push + Jenkins 빌드:"
  echo "    ./scripts/push-with-desktop-version.sh"
  echo ""
  echo "  bump 만:"
  echo "    ./scripts/bump-desktop-version-for-push.sh"
  echo "━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━"
  exit 1
done

exit 0