import { PrismaClient } from "@prisma/client";

declare global {
  // eslint-disable-next-line no-var
  var __prisma: PrismaClient | undefined;
}

export const prisma =
  globalThis.__prisma ??
  new PrismaClient({
    log: ["error", "warn"],
  });

// ---------------------------------------------------------------------------
// Auto-sync ClientTimelineEntry for CalendarEvent, WorkspaceDocument, FeedCard
// ---------------------------------------------------------------------------
const TIMELINE_MODEL_MAP: Record<string, string> = {
  CalendarEvent: "CALENDAR_EVENT",
  FeedCard: "RECOMMENDATION",
};

prisma.$use(async (params, next) => {
  const result = await next(params);

  const contentType = params.model ? TIMELINE_MODEL_MAP[params.model] : undefined;
  if (!contentType) return result;
  if (params.action !== "create" && params.action !== "update" && params.action !== "upsert") return result;
  if (!result || typeof result !== "object") return result;

  const row = result as Record<string, any>;
  const teamId = row.teamId as string | undefined;
  const contactId = row.contactId as string | undefined;
  const id = row.id as string | undefined;
  if (!teamId || !contactId || !id) return result;

  const datetime = row.startsAt ?? row.happenedAt ?? row.createdAt ?? new Date();

  prisma.clientTimelineEntry
    .upsert({
      where: {
        teamId_contentType_contentId: { teamId, contentType, contentId: id },
      },
      create: { teamId, contactId, contentType, contentId: id, datetime },
      update: { contactId, datetime },
      select: { id: true },
    })
    .catch(() => {});

  return result;
});

if (process.env.NODE_ENV !== "production") {
  globalThis.__prisma = prisma;
}