import { describe, expect, it } from "vitest";
import path from "node:path";
import { fileURLToPath } from "node:url";
import {
  assertNoDuplicateApiRoutes,
  formatApiRouteKeys,
  scanApiRoutesFromFile,
  scanApiRoutesFromSource,
  type ApiRouteKey,
} from "./scan-api-routes";

const repoRoot = path.resolve(path.dirname(fileURLToPath(import.meta.url)), "../..");
const apiAppPath = path.join(repoRoot, "apps/api/src/app.ts");

const expectedCurrentRouteKeys: ApiRouteKey[] = [
  "GET /healthz",
  "GET /v1/health",
  "GET /readyz",
  "GET /v1/openapi.json",
  "GET /v1/docs",
  "GET /v1/session/current-user",
  "POST /v1/auth/login",
  "POST /v1/auth/refresh-token",
  "POST /v1/auth/logout",
  "POST /v1/api-keys/validate",
  "GET /v1/accounts",
  "GET /v1/accounts/:id",
  "POST /v1/analytics/events",
  "POST /v1/analytics/page-views",
  "GET /v1/analytics/public",
  "GET /v1/analytics/admin",
  "GET /v1/notifications/stream",
  "GET /v1/workspaces/:tenantId/auth/providers",
  "POST /v1/workspaces/:tenantId/context/revalidate",
  "GET /v1/workspaces/:tenantId/invites",
  "POST /v1/workspaces/:tenantId/invites",
  "POST /v1/workspaces/:tenantId/invites/:inviteId/accept",
  "POST /v1/workspaces/:tenantId/invites/:inviteId/revoke",
  "POST /v1/ai/upload",
  "POST /v1/support/inbound-email",
  "POST /v1/email-sequences/mailjet/webhooks",
  "POST /v1/events/webhooks/attempts/:id",
  "POST /v1/maintenance/export-retention/enqueue",
  "GET /v1/exports/:exportJobId/download-url",
  "GET /v1/exports/:exportJobId/progress",
  "GET /v1/entities/:entity/rows",
  "POST /v1/entities/:entity/rows",
  "GET /v1/entities/:entity/rows/:rowId",
  "PATCH /v1/entities/:entity/rows/:rowId",
  "DELETE /v1/entities/:entity/rows/:rowId",
  "GET /v1/entities/:entity",
  "POST /v1/relationships",
  "GET /v1/relationships/:id",
  "DELETE /v1/relationships/:id",
  "POST /v1/devices/register",
  "POST /v1/devices/revoke",
  "GET /status",
  "GET /metrics",
  "GET /v1/usage",
  "POST /v1/billing/stripe/webhooks",
];

describe("scanApiRoutesFromSource", () => {
  it("returns the complete current route-key set from apps/api/src/app.ts and registered route modules", async () => {
    const result = await scanApiRoutesFromFile(apiAppPath);

    expect(result.duplicateRoutes).toEqual([]);
    expect(result.unresolvedMountedRouters).toEqual([]);
    expect(formatApiRouteKeys(result.routes)).toEqual(expectedCurrentRouteKeys);
  });

  it("finds multiline Hono app route registrations", () => {
    const result = scanApiRoutesFromSource(`
      app.post(
        "/v1/multiline",
        multilineHandler
      );
      app.delete(
        '/v1/multiline/:id',
        deleteHandler
      );
      app.put(
        "/v1/multiline-put",
        putHandler
      );
      app.options(
        "/v1/multiline-options",
        optionsHandler
      );
      app.all(
        "/api/v1/*",
        redirectHandler
      );
    `);

    expect(formatApiRouteKeys(result.routes)).toEqual([
      "POST /v1/multiline",
      "DELETE /v1/multiline/:id",
      "PUT /v1/multiline-put",
      "OPTIONS /v1/multiline-options",
      "ALL /api/v1/*",
    ]);
  });

  it("finds simple Hono subrouter registrations mounted through app.route", () => {
    const result = scanApiRoutesFromSource(`
      const workspaceRoutes = new Hono();
      workspaceRoutes.get("/workspaces/:tenantId/invites", listInvites);
      workspaceRoutes.post(
        "/workspaces/:tenantId/invites",
        createInvite
      );
      const ignoredRoutes = new Hono();
      ignoredRoutes.get("/not-mounted", handler);
      app.route("/v1", workspaceRoutes);
    `);

    expect(formatApiRouteKeys(result.routes)).toEqual([
      "GET /v1/workspaces/:tenantId/invites",
      "POST /v1/workspaces/:tenantId/invites",
    ]);
  });

  it("finds Hono app.on route registrations", () => {
    const result = scanApiRoutesFromSource(`
      app.on("GET", "/v1/on-single", handler);
      app.on(["POST", "DELETE"], "/v1/on-array/:id", handler);
    `);

    expect(formatApiRouteKeys(result.routes)).toEqual(["GET /v1/on-single", "POST /v1/on-array/:id", "DELETE /v1/on-array/:id"]);
  });

  it("reports mounted routers that cannot be resolved from the scanned source", () => {
    const result = scanApiRoutesFromSource(`
      import { userRoutes } from "./users";
      app.route("/v1/users", userRoutes);
    `);

    expect(result.routes).toEqual([]);
    expect(result.unresolvedMountedRouters).toEqual([
      {
        receiver: "userRoutes",
        prefix: "/v1/users",
        location: { line: 3, column: 7 },
      },
    ]);
  });

  it("reports duplicate route keys without collapsing them through a Set", () => {
    const result = scanApiRoutesFromSource(`
      app.get("/v1/dup", firstHandler);
      app.get("/v1/dup", secondHandler);
    `);

    expect(formatApiRouteKeys(result.routes)).toEqual(["GET /v1/dup", "GET /v1/dup"]);
    expect(result.duplicateRoutes).toEqual([
      {
        key: "GET /v1/dup",
        locations: [
          { line: 2, column: 7 },
          { line: 3, column: 7 },
        ],
      },
    ]);
    expect(() => assertNoDuplicateApiRoutes(result)).toThrow(/Duplicate API route keys found: GET \/v1\/dup/);
  });

  it("ignores non-Hono-app source text", () => {
    const result = scanApiRoutesFromSource(`
      something.get("/v1/not-a-route", handler);
      router.post("/v1/not-a-route", handler);
      const text = 'app.delete("/v1/not-a-real-route")';
      const templateText = \`app.post("/v1/not-a-real-route")\`;
      const objectText = { value: "app.patch('/v1/not-a-real-route')" };
    `);

    expect(result.routes).toEqual([]);
    expect(result.duplicateRoutes).toEqual([]);
  });
});