#!/usr/bin/env bash
set -euo pipefail
#
# wipe-slate.sh — clear ALL ticket + audit records from the tables the scanner
# app currently uses, for a clean event run-through. Leaves the table SCHEMAS
# intact and does NOT touch donor data. Reads NocoDB creds from backend/.env.
#
# Usage:
#   scripts/wipe-slate.sh          # prompts for confirmation
#   scripts/wipe-slate.sh --yes    # skip the prompt (for automation)
#
SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
ENV_FILE="${ENV_FILE:-$SCRIPT_DIR/../backend/.env}"

get() { grep -E "^$1=" "$ENV_FILE" | head -1 | cut -d= -f2-; }
BASE_URL="$(get NOCODB_BASE_URL)"
TOKEN="$(get NOCODB_API_TOKEN)"
TICKETS="$(get NOCODB_TABLE_ID)"
AUDIT="$(get NOCODB_AUDIT_TABLE_ID)"

[ -n "$BASE_URL" ] && [ -n "$TOKEN" ] && [ -n "$TICKETS" ] || {
  echo "Missing NocoDB config in $ENV_FILE" >&2; exit 1; }

YES=0
case "${1:-}" in -y|--yes) YES=1;; esac

count() {
  curl -s -H "xc-token: $TOKEN" "$BASE_URL/api/v2/tables/$1/records?limit=1" \
    | python3 -c 'import sys,json;print(json.load(sys.stdin).get("pageInfo",{}).get("totalRows",0))'
}

echo "Target: $BASE_URL"
echo "  tickets ($TICKETS): $(count "$TICKETS") records"
[ -n "$AUDIT" ] && echo "  audit   ($AUDIT): $(count "$AUDIT") records"

if [ "$YES" -ne 1 ]; then
  read -rp "Delete ALL of the above? This cannot be undone. [y/N] " ans
  case "$ans" in y|Y|yes|YES) ;; *) echo "aborted"; exit 1;; esac
fi

wipe() {
  local label="$1" table="$2" total=0 ids n
  while :; do
    ids="$(curl -s -H "xc-token: $TOKEN" "$BASE_URL/api/v2/tables/$table/records?limit=1000&fields=Id" \
      | python3 -c 'import sys,json;print(json.dumps([{"Id":r["Id"]} for r in json.load(sys.stdin)["list"]]))')"
    n="$(printf '%s' "$ids" | python3 -c 'import sys,json;print(len(json.load(sys.stdin)))')"
    [ "$n" -eq 0 ] && break
    curl -s -o /dev/null -X DELETE -H "xc-token: $TOKEN" -H "Content-Type: application/json" \
      "$BASE_URL/api/v2/tables/$table/records" --data "$ids"
    total=$((total + n))
  done
  echo "  $label: deleted $total"
}

wipe "tickets" "$TICKETS"
[ -n "$AUDIT" ] && wipe "audit" "$AUDIT"
echo "Done — slate is clean."