#!/usr/bin/env bash
set -euo pipefail
SCRIPT_DIR="$(cd "$(dirname "$0")" && pwd)"
SKILL_ROOT="$(dirname "$SCRIPT_DIR")"
source "$SCRIPT_DIR/_common.sh"

: "${OUTPUT_DIR:=$SKILL_ROOT/outputs}"

main() {
  [[ -f "$OUTPUT_DIR/last_run_dir.txt" ]] || die "No last_run_dir.txt. Run 11_apply.sh first."
  run_dir="$(cat "$OUTPUT_DIR/last_run_dir.txt")"
  status="$run_dir/status_matrix.json"
  ok_root=false; ok_proof=false; ok_leaf=false
  [[ -f "$run_dir/ROOT.txt" ]] && ok_root=true
  [[ -f "$run_dir/PROOF.json" ]] && ok_proof=true
  [[ -f "$run_dir/leaf_hashes.txt" ]] && ok_leaf=true
  root_hex="$(grep '^root_hex=' "$run_dir/ROOT.txt" 2>/dev/null | cut -d= -f2 || true)"
  blockers="[]"
  if [[ "$ok_root" != "true" ]]; then blockers='["missing_root_txt"]'
  elif [[ "$ok_proof" != "true" ]]; then blockers='["missing_proof_json"]'
  fi
  cat > "$status" <<EOF
{
  "skill": "merkle-forest",
  "timestamp": "$(date -Iseconds)",
  "run_dir": "$(json_escape "$run_dir")",
  "root_hex": "$(json_escape "$root_hex")",
  "checks": [
    {"name":"leaf_hashes_present", "ok": $ok_leaf},
    {"name":"root_present", "ok": $ok_root},
    {"name":"proof_present", "ok": $ok_proof}
  ],
  "blockers": $blockers,
  "warnings": [],
  "next_steps": ["rfc3161-anchor","eth-anchor","btc-anchor"]
}
EOF
  log_info "Wrote $status"
  cat "$status"
}
main "$@"