import type { Prisma } from "@prisma/client";
import { blindIndex } from "../services/crypto.server";

/** Booking list filters shared by the list page and the CSV export. */
export function bookingWhere(shopId: string, sp: URLSearchParams, today: string): Prisma.BookingWhereInput {
  const status = sp.get("status") ?? "upcoming";
  const where: Prisma.BookingWhereInput = { shopId };
  if (status === "review") where.OR = [{ status: "needs_review" }, { status: "confirmed", reviewReason: { not: null } }];
  else if (status === "upcoming") Object.assign(where, { status: "confirmed", date: { gte: today } });
  else if (status !== "all") where.status = status;
  const method = sp.get("method");
  if (method && method !== "all") where.method = method;
  const loc = sp.get("location");
  if (loc && loc !== "all") where.locationId = loc;
  const from = sp.get("from");
  const to = sp.get("to");
  if (from || to) where.date = { ...(from ? { gte: from } : {}), ...(to ? { lte: to } : {}) };
  const q = sp.get("q")?.trim();
  // Customer details are encrypted at rest: match order numbers by text, emails and phones exactly (by keyed hash).
  if (q) {
    const or: Prisma.BookingWhereInput[] = [{ orderName: { contains: q, mode: "insensitive" } }];
    if (q.includes("@")) or.push({ customerEmailHash: blindIndex(q, "email") });
    else if (/^[\d\s()+.-]{7,}$/.test(q)) or.push({ customerPhoneHash: blindIndex(q, "phone") });
    where.AND = [{ OR: or }];
  }
  return where;
}