import { describe, it, expect } from "vitest";
import { listRegistries, createRegistry, getRegistry } from "../src/services/registries.js";
import { createScan, listScans, getScan } from "../src/services/scans.js";
import type { PoolLike } from "../src/services/registries.js";

function fakePool(handlers: {
  query: (text: string, values?: unknown[]) => { rows: Record<string, unknown>[] };
}): PoolLike & { queries: { text: string; values?: unknown[] }[] } {
  const queries: { text: string; values?: unknown[] }[] = [];
  return {
    queries,
    query(text, values) {
      queries.push({ text, values });
      return handlers.query(text, values);
    },
  };
}

const ROW = {
  id: "11111111-1111-1111-1111-111111111111",
  owner_sub: "svc-user",
  name: "example",
  url: "https://example.com",
  config: {},
  created_at: new Date("2026-09-16T10:00:00Z"),
};

describe("registries service", () => {
  it("listRegistries filters by owner and tenant", async () => {
    const db = fakePool({ query: () => ({ rows: [ROW] }) });
    const out = await listRegistries(db, "svc-user", "org-1");
    expect(out).toHaveLength(1);
    expect(out[0]).toMatchObject({ id: ROW.id, name: "example", createdAt: "2026-09-16T10:00:00.000Z" });
    expect(db.queries[0].values).toEqual(["svc-user", "org-1"]);
    expect(db.queries[0].text).toContain("owner_sub = $1");
    expect(db.queries[0].text).toContain("tenant_id = $2");
  });

  it("createRegistry inserts with owner, tenant and config jsonb", async () => {
    const db = fakePool({ query: () => ({ rows: [ROW] }) });
    const out = await createRegistry(db, "svc-user", "org-1", { name: "example", url: "https://example.com" });
    expect(out.id).toBe(ROW.id);
    expect(db.queries[0].values?.[0]).toBe("svc-user");
    expect(db.queries[0].values?.[1]).toBe("org-1");
    expect(db.queries[0].text).toContain("RETURNING");
  });

  it("getRegistry returns null when not owner (fail-closed)", async () => {
    const db = fakePool({ query: () => ({ rows: [] }) });
    const out = await getRegistry(db, "other-user", "org-1", ROW.id);
    expect(out).toBeNull();
  });
});

describe("scans service", () => {
  const SCAN_ROW = {
    ...ROW,
    registry_id: ROW.id,
    tenant_id: "org-1",
    status: "pending",
    result: {},
    updated_at: ROW.created_at,
  };

  it("createScan enforces registry ownership+tenant in SQL and returns null otherwise", async () => {
    const db = fakePool({ query: () => ({ rows: [] }) });
    const out = await createScan(db, "svc-user", "org-1", ROW.id);
    expect(out).toBeNull();
    expect(db.queries[0].text).toContain("owner_sub = $1");
    expect(db.queries[0].text).toContain("tenant_id = $2");
  });

  it("createScan returns scan for owned registry", async () => {
    const db = fakePool({ query: () => ({ rows: [SCAN_ROW] }) });
    const out = await createScan(db, "svc-user", "org-1", ROW.id);
    expect(out).toMatchObject({ id: SCAN_ROW.id, registryId: SCAN_ROW.id, status: "pending" });
  });

  it("listScans supports optional registryId filter", async () => {
    const db = fakePool({ query: () => ({ rows: [SCAN_ROW] }) });
    await listScans(db, "svc-user", "org-1");
    expect(db.queries[0].text).not.toContain("registry_id = $3");
    await listScans(db, "svc-user", "org-1", SCAN_ROW.id);
    expect(db.queries[1].values).toEqual(["svc-user", "org-1", SCAN_ROW.id]);
  });

  it("getScan returns null for foreign scan", async () => {
    const db = fakePool({ query: () => ({ rows: [] }) });
    expect(await getScan(db, "other-user", "org-1", SCAN_ROW.id)).toBeNull();
  });
});