#!/usr/bin/env sh
set -eu

manifest="${1:-docs/keycloak-branch-manifest.tsv}"
notes_dir="${KEYCLOAK_BRANCH_NOTES_DIR:-/home/donghyeon/workspace/ai-tools/llm-wiki/raw/branch-notes}"

expected_count="$(awk 'NR > 1 { count += 1 } END { print count + 0 }' "$manifest")"
if [ "$expected_count" -ne 39 ]; then
  echo "manifest must contain exactly 39 Keycloak branches; found $expected_count" >&2
  exit 1
fi

note_count="$(find "$notes_dir" -maxdepth 1 -type f -name 'feature-keycloak-*.md' | wc -l)"
if [ "$note_count" -ne 39 ]; then
  echo "branch-note inventory must contain exactly 39 files; found $note_count" >&2
  exit 1
fi

missing=0
unmerged=0
tab="$(printf '\t')"

while IFS="$tab" read -r branch target delivery; do
  [ "$branch" = "branch" ] && continue

  note_name="$(printf '%s\n' "$branch" |
    sed 's#^feature/keycloak-#feature-keycloak-#').md"
  if [ ! -f "$notes_dir/$note_name" ]; then
    echo "missing branch note: $note_name" >&2
    missing=$((missing + 1))
  fi

  if ! git show-ref --verify --quiet "refs/heads/$branch"; then
    echo "missing local branch: $branch" >&2
    missing=$((missing + 1))
    continue
  fi

  case "$target" in
    common) target_branch="develop" ;;
    ap1) target_branch="develop-keycloak-pattern1" ;;
    ap2) target_branch="develop-keycloak-pattern2" ;;
    ap3) target_branch="develop-keycloak-pattern3" ;;
    ap4) target_branch="develop-keycloak-pattern4" ;;
    *)
      echo "unknown target '$target' for $branch ($delivery)" >&2
      exit 1
      ;;
  esac

  if ! git merge-base --is-ancestor "$branch" "$target_branch"; then
    echo "feature tip is not merged: $branch -> $target_branch" >&2
    unmerged=$((unmerged + 1))
  fi
done < "$manifest"

if [ "$missing" -ne 0 ] || [ "$unmerged" -ne 0 ]; then
  echo "Keycloak branch audit failed: missing=$missing unmerged=$unmerged" >&2
  exit 1
fi

echo "Keycloak branch audit passed: 39/39 branches exist and are merged"