import { afterEach, describe, expect, it, vi } from "vitest";
import { buildApp } from "../src/app.js";
import { loadConfig } from "../src/config.js";
import { toCloudflareCron } from "../src/services/health/mailbox.js";
import { HEALTH_PROBE_SCRIPT_NAME } from "@cfdm/shared";

async function authHeaders(app: Awaited<ReturnType<typeof buildApp>>) {
  const res = await app.inject({
    method: "POST",
    url: "/api/v1/auth/login",
    payload: { username: "admin", password: "admin" },
  });
  expect(res.statusCode).toBe(200);
  const { token } = res.json() as { token: string };
  return { authorization: `Bearer ${token}` };
}

function jsonOk(result: unknown, status = 200): Response {
  return new Response(JSON.stringify({ success: true, result }), {
    status,
    headers: { "content-type": "application/json" },
  });
}

describe("health worker deploy", () => {
  afterEach(() => {
    vi.unstubAllGlobals();
  });

  it("maps 6-field toad cron to 5-field Cloudflare cron", () => {
    expect(toCloudflareCron("0 */2 * * * *")).toBe("*/2 * * * *");
    expect(toCloudflareCron("*/5 * * * *")).toBe("*/5 * * * *");
  });

  it("POST ensure creates KV+script; 403 is not local fallback", async () => {
    const calls: string[] = [];
    vi.stubGlobal(
      "fetch",
      async (input: RequestInfo | URL, init?: RequestInit) => {
        const url =
          typeof input === "string" || input instanceof URL
            ? String(input)
            : input.url;
        const method = (
          init?.method ??
          (typeof Request !== "undefined" && input instanceof Request
            ? input.method
            : "GET")
        ).toUpperCase();
        calls.push(`${method} ${url}`);
        if (
          (url.includes("/accounts?") || /\/accounts$/.test(url.split("?")[0] ?? "")) &&
          !url.includes("/storage/") &&
          !url.includes("/workers/")
        ) {
          return jsonOk([{ id: "acc-1", name: "Test" }]);
        }
        if (url.includes("/storage/kv/namespaces") && method === "GET" && !url.includes("/values/")) {
          return jsonOk([]);
        }
        if (url.includes("/storage/kv/namespaces") && method === "POST") {
          return jsonOk({ id: "kv-1", title: "cfdm-health-probe" });
        }
        if (
          url.includes(`/workers/scripts/${HEALTH_PROBE_SCRIPT_NAME}`) &&
          method === "PUT" &&
          !url.includes("/schedules")
        ) {
          return jsonOk({ id: "script-1" });
        }
        if (url.includes("/schedules") && method === "PUT") {
          return jsonOk([{ cron: "*/2 * * * *" }]);
        }
        if (url.includes("/subdomain") && method === "POST") {
          return jsonOk({ enabled: true });
        }
        if (url.includes("/workers/subdomain") && method === "GET") {
          return jsonOk({ subdomain: "example" });
        }
        if (url.includes("/values/") && method === "GET") {
          return new Response("null", { status: 404 });
        }
        if (url.includes("/values/") && method === "PUT") {
          return jsonOk(null);
        }
        return jsonOk({});
      },
    );

    const app = await buildApp({
      config: { ...loadConfig(), staticDir: null, cloudflareApiToken: "cf-token" },
      memory: true,
    });
    const headers = await authHeaders(app);
    const res = await app.inject({
      method: "POST",
      url: "/api/v1/settings/health/worker/ensure",
      headers,
    });
    expect(res.statusCode).toBe(200);
    const body = res.json() as {
      healthWorkerStatus: string;
      healthWorkerUrl: string;
      healthWorkerKvNamespaceId: string;
      healthWorkerError: string | null;
    };
    expect(body.healthWorkerStatus).toBe("ready");
    expect(body.healthWorkerKvNamespaceId).toBe("kv-1");
    expect(body.healthWorkerUrl).toContain("cfdm-health-probe.example.workers.dev");
    expect(body.healthWorkerError).toBeNull();
    expect(calls.some((c) => c.includes("/workers/scripts/"))).toBe(true);
    await app.close();
  }, 20_000);

  it("POST ensure 403 stores error, does not probe as local", async () => {
    vi.stubGlobal(
      "fetch",
      async (input: RequestInfo | URL) => {
        const url = String(input);
        if (url.includes("/storage/kv/namespaces")) {
          return new Response(
            JSON.stringify({
              success: false,
              errors: [{ code: 10000, message: "Authentication error" }],
            }),
            { status: 403, headers: { "content-type": "application/json" } },
          );
        }
        if (url.includes("/accounts")) {
          return jsonOk([{ id: "acc-1" }]);
        }
        return jsonOk({});
      },
    );

    const app = await buildApp({
      config: { ...loadConfig(), staticDir: null, cloudflareApiToken: "zone-only" },
      memory: true,
    });
    const headers = await authHeaders(app);
    const res = await app.inject({
      method: "POST",
      url: "/api/v1/settings/health/worker/ensure",
      headers,
    });
    expect(res.statusCode).toBe(401);
    const again = await app.inject({
      method: "GET",
      url: "/api/v1/settings",
      headers,
    });
    const body = again.json() as {
      healthWorkerStatus: string;
      healthWorkerError: string | null;
    };
    expect(body.healthWorkerStatus).toBe("error");
    expect(body.healthWorkerError).toMatch(/Workers Scripts Write|токен/i);
    await app.close();
  }, 20_000);
});