import { describe, expect, test } from "bun:test";
import { mkdtempSync } from "node:fs";
import { tmpdir } from "node:os";
import { join } from "node:path";
import { eq } from "drizzle-orm";
import { createApp } from "../src/app";
import { openDb } from "../src/db";
import { biomarkers, labDrafts } from "../src/db/schema";
import { loadOrCreateKey } from "../src/lib/crypto";

async function setup() {
  const dir = mkdtempSync(join(tmpdir(), "helios-"));
  const db = openDb(dir);
  const app = createApp({ db, key: loadOrCreateKey(dir), dataDir: dir });
  const j = (b: unknown) => ({ method: "POST", headers: { "content-type": "application/json" }, body: JSON.stringify(b) });
  await app.request("/api/setup", j({ password: "hunter2hunter2" }));
  const cookie = (await app.request("/api/login", j({ password: "hunter2hunter2" }))).headers.get("set-cookie")!;
  await db.insert(labDrafts).values({
    id: "draft1", filename: "r.pdf", filePath: "/tmp/none.pdf", status: "pending",
    extracted: JSON.stringify({ collectedDate: "2026-01-15", labName: "Sample Diagnostics", markers: [
      { panel: "chemistry", name: "Glucose", value: "100", unit: "mg/dL", referenceRange: "70-99", flagged: true },
    ] }),
    error: null, createdAt: 1,
  });
  return { app, db, cookie };
}

describe("draft review", () => {
  test("get, confirm with edits → normalized biomarkers, draft confirmed", async () => {
    const { app, db, cookie } = await setup();
    const h = { cookie, "content-type": "application/json" };

    const got = await (await app.request("/api/labs/drafts/draft1", { headers: { cookie } })).json();
    expect(got.draft.markers).toHaveLength(1);

    const confirm = await app.request("/api/labs/drafts/draft1/confirm", {
      method: "POST", headers: h,
      body: JSON.stringify({
        collectedDate: "2026-01-15",
        labName: "Sample Diagnostics",
        markers: [
          { panel: "chemistry", name: "Glucose", value: "100", unit: "mg/dL", referenceRange: "70-99", flagged: true },
          { panel: null, name: "Ferritin", value: "30", unit: "ng/mL", referenceRange: null, flagged: false }, // user-added row
        ],
      }),
    });
    expect(confirm.status).toBe(201);

    const rows = await db.select().from(biomarkers);
    expect(rows).toHaveLength(2);
    const glucose = rows.find((r) => r.analyteKey === "glucose")!;
    expect(glucose.valueCanonical).toBeCloseTo(5.551, 2);
    expect(glucose.flagged).toBe(1);
    const ferritin = rows.find((r) => r.analyteKey === "ferritin")!;
    expect(ferritin.valueCanonical).toBeCloseTo(30); // ng/mL → µg/L 1:1
    expect(ferritin.canonicalUnit).toBe("µg/L");

    const draft = (await db.select().from(labDrafts).where(eq(labDrafts.id, "draft1")))[0];
    expect(draft.status).toBe("confirmed");

    // second confirm → 409
    const again = await app.request("/api/labs/drafts/draft1/confirm", {
      method: "POST", headers: h,
      body: JSON.stringify({ collectedDate: "2026-01-15", labName: null, markers: [{ panel: null, name: "X", value: "1", unit: null, referenceRange: null, flagged: false }] }),
    });
    expect(again.status).toBe(409);
  });

  test("discard marks draft discarded", async () => {
    const { app, db, cookie } = await setup();
    const r = await app.request("/api/labs/drafts/draft1/discard", { method: "POST", headers: { cookie } });
    expect(r.status).toBe(204);
    const draft = (await db.select().from(labDrafts).where(eq(labDrafts.id, "draft1")))[0];
    expect(draft.status).toBe("discarded");
  });

  test("unknown draft 404; bad date 400", async () => {
    const { app, cookie } = await setup();
    expect((await app.request("/api/labs/drafts/nope", { headers: { cookie } })).status).toBe(404);
    const bad = await app.request("/api/labs/drafts/draft1/confirm", {
      method: "POST", headers: { cookie, "content-type": "application/json" },
      body: JSON.stringify({ collectedDate: "15/01/2026", labName: null, markers: [{ panel: null, name: "X", value: "1", unit: null, referenceRange: null, flagged: false }] }),
    });
    expect(bad.status).toBe(400);
  });
});