#!/usr/bin/env bash
set -euo pipefail

# Export recent online errors into a git-trackable NDJSON feed.
ROOT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")/../.." && pwd)"
OUT_FILE="${ROOT_DIR}/docs/support/online-runtime-errors.ndjson"
TMP_FILE="${OUT_FILE}.tmp"

mkdir -p "$(dirname "$OUT_FILE")"
: > "$TMP_FILE"

append_tail() {
  local src="$1"
  local lines="$2"
  if [[ -f "$src" ]]; then
    tail -n "$lines" "$src" >> "$TMP_FILE" || true
  fi
}

append_tail "${ROOT_DIR}/storage/logs/runtime-errors.ndjson" 300
append_tail "${ROOT_DIR}/storage/logs/support-events.ndjson" 300

if [[ ! -s "$TMP_FILE" ]]; then
  echo '{"timestamp":"'"$(date -Iseconds)"'","type":"info","message":"Nessun errore disponibile da esportare","context":"export script","source":"online-export"}' > "$TMP_FILE"
fi

mv "$TMP_FILE" "$OUT_FILE"
echo "Export completato: ${OUT_FILE}"