// Quick live timing of the dashboard's PocketBase calls.
import { performance } from "node:perf_hooks";
import PocketBase from "pocketbase";

async function main() {
  const url = process.env.NEXT_PUBLIC_POCKETBASE_URL || "http://127.0.0.1:8090";
  const email = process.env.PB_ADMIN_EMAIL;
  const password = process.env.PB_ADMIN_PASSWORD;
  if (!email || !password) {
    console.error("Missing PB_ADMIN_EMAIL / PB_ADMIN_PASSWORD");
    process.exit(1);
  }

  const pb = new PocketBase(url);
  await pb.collection("_superusers").authWithPassword(email, password);
  console.log("PB:", url);

  const twelveWeeksAgo = new Date(Date.now() - 84 * 24 * 60 * 60 * 1000).toISOString();
  const startOfMonth = new Date(new Date().getFullYear(), new Date().getMonth(), 1).toISOString();

  type Timed = { label: string; ms: number; count?: number };
  const results: Timed[] = [];

  const measure = async (label: string, fn: () => Promise<{ items?: unknown[]; totalItems?: number } | unknown[]>) => {
    const a = performance.now();
    try {
      const r = (await fn()) as { items?: unknown[]; totalItems?: number } | unknown[];
      const b = performance.now();
      const count = Array.isArray(r)
        ? r.length
        : Array.isArray(r?.items)
          ? (r.items as unknown[]).length
          : r?.totalItems;
      results.push({ label, ms: b - a, count });
    } catch (e) {
      const b = performance.now();
      console.log(`!! ${label} ERR ${(e as { message?: string })?.message ?? ""}`);
      results.push({ label, ms: b - a, count: -1 });
    }
  };

  console.log("\n--- Sequential timing of each dashboard call ---");
  await measure("customers total count", () => pb.collection("customers").getList(1, 1));
  await measure("quotes active count", () =>
    pb.collection("quotes").getList(1, 1, {
      filter: '(status = "new" || status = "claimed" || status = "processed" || status = "emailed" || status = "approval_pending") && is_template != true',
    })
  );
  await measure("orders this month count", () =>
    pb.collection("orders").getList(1, 1, { filter: `created >= "${startOfMonth}"` })
  );
  await measure("follow-ups getFullList", () =>
    pb.collection("quotes").getFullList({
      filter: `follow_up_due != "" && follow_up_due <= "${new Date().toISOString()}" && status != "complete" && status != "cancelled" && status != "rejected" && is_template != true`,
      sort: "follow_up_due",
      expand: "customer",
    })
  );
  await measure("quotes 500 + customer expand", () =>
    pb.collection("quotes").getList(1, 500, { filter: "is_template != true", expand: "customer" })
  );
  await measure("orders 12w 500", () =>
    pb.collection("orders").getList(1, 500, { sort: "-created", filter: `created >= "${twelveWeeksAgo}"` })
  );
  await measure("customers 12w 500", () =>
    pb.collection("customers").getList(1, 500, { sort: "-created", filter: `created >= "${twelveWeeksAgo}"` })
  );
  await measure("order_items month 500", () =>
    pb.collection("order_items").getList(1, 500, { filter: `created >= "${startOfMonth}"` })
  );
  await measure("order_items 12w 500", () =>
    pb.collection("order_items").getList(1, 500, { filter: `created >= "${twelveWeeksAgo}"` })
  );
  await measure("quotes 12w 500", () =>
    pb.collection("quotes").getList(1, 500, { filter: `created >= "${twelveWeeksAgo}" && is_template != true` })
  );
  await measure("stock_items FULL LIST", () => pb.collection("stock_items").getFullList());

  console.log("\nlabel                                       ms     rows/total");
  console.log("------------------------------------------------------ -------");
  let totalMs = 0;
  for (const r of results) {
    totalMs += r.ms;
    console.log(`${r.label.padEnd(45)} ${r.ms.toFixed(0).padStart(6)}  ${String(r.count ?? "-").padStart(8)}`);
  }
  console.log("------------------------------------------------------ -------");
  console.log(`TOTAL sequential:                          ${totalMs.toFixed(0).padStart(6)} ms`);
  console.log("(In the page, Promise.all parallelises these; real wall-clock ≈ slowest single call.)");
}

main().catch((e) => {
  console.error(e);
  process.exit(1);
});