/** Cloudflare OAuth(本地 sim 模式)测试:自动建账号、域名同步、state CSRF、setup Email Workers、凭据存储 */
import { describe, expect, test } from "bun:test";
import { authedFetch, loginCookie, makeTestEnv } from "./helpers.ts";

describe("Cloudflare OAuth(sim 模式)", () => {
  test("start 免 node_id 自动建账号;approve 同步全部域名;setup 配置 Email Workers", async () => {
    const t = await makeTestEnv();
    const cookie = await loginCookie(t);

    // 添加账号:OAuth start 不带 node_id(服务端自动创建账号)
    const start = (await (
      await authedFetch(t, cookie, "http://localhost/api/oauth/cloudflare/start")
    ).json()) as { url: string; state: string };
    expect(start.url).toContain("/oauth/sim/authorize?state=");

    // sim approve(等价于用户在 Cloudflare 授权页点击同意)
    const approve = (await (
      await authedFetch(t, cookie, "http://localhost/api/oauth/cloudflare/sim/approve", {
        method: "POST",
        headers: { "Content-Type": "application/json" },
        body: JSON.stringify({ state: start.state }),
      })
    ).json()) as { ok: boolean; error?: string; node_id: string };
    expect(approve.ok).toBe(true);

    // 安装结果:发现 + 域名同步完成
    const detail = (await (
      await authedFetch(t, cookie, `http://localhost/api/accounts/${approve.node_id}`)
    ).json()) as {
      account: { status: string; cloudflare_account_id: string | null; name: string };
      steps: Record<string, { status: string }>;
      domains: { name: string }[];
    };
    expect(detail.account.status).toBe("offline"); // 等待 Node 心跳上线
    expect(detail.account.cloudflare_account_id).toBe("sim-account-0001");
    expect(detail.account.name).toBe("WmailHub Sim Account"); // 自动命名替换为 CF 账户名
    for (const key of ["oauth", "identity", "discover", "domains"]) {
      expect(detail.steps[key].status).toBe("done");
    }
    // OAuth 只同步域名,不自动部署 Email Worker(按域名手动触发)
    expect(detail.domains.map((d) => d.name)).toEqual(
      expect.arrayContaining(["example.test", "demo.test", "mailbox.dev"]),
    );
    const domList = (await (
      await authedFetch(t, cookie, "http://localhost/api/domains")
    ).json()) as { items: { id: string; name: string; status: string }[] };
    // 种子环境自带一个 acct-1 下的 example.test(active);OAuth 同步出的新域名均为 pending
    const synced = domList.items.filter((d) => ["demo.test", "mailbox.dev"].includes(d.name));
    expect(synced.length).toBe(2);
    for (const d of synced) expect(d.status).toBe("pending");

    // catch-all 邮箱已随同步创建
    const mb = await t.env.DB.prepare("SELECT address FROM mailboxes WHERE is_catch_all = 1").all<{ address: string }>();
    expect(mb.results.map((r) => r.address)).toContain("*@example.test");

    // setup:为同步出的 example.test 配置 Email Workers(Worker + Routing + catch-all 规则)
    const example = domList.items.find((d) => d.name === "example.test" && d.status === "pending")!;
    const setup = (await (
      await authedFetch(t, cookie, `http://localhost/api/domains/${example.id}/setup`, { method: "POST" })
    ).json()) as { ok: boolean; error?: string };
    expect(setup.ok).toBe(true);
    const after = (await (
      await authedFetch(t, cookie, "http://localhost/api/domains")
    ).json()) as { items: { id: string; name: string; status: string; worker_id: string | null }[] };
    const exampleAfter = after.items.find((d) => d.id === example.id)!;
    expect(exampleAfter.status).toBe("active");
    expect(exampleAfter.worker_id).toContain("wmailhub-email-");

    // sim 资源记录(Email Worker / Routing rule 只在 setup 后出现)
    const sim = await t.env.DB.prepare("SELECT kind FROM cf_sim_resources").all<{ kind: string }>();
    const kinds = sim.results.map((r) => r.kind);
    expect(kinds).toContain("zone");
    expect(kinds).toContain("email_worker");
    expect(kinds).toContain("routing_rule");

    // OAuth token 已加密入库(不含明文 token)
    const conn = await t.env.DB.prepare("SELECT encrypted_access_token FROM oauth_connections").first<{
      encrypted_access_token: string;
    }>();
    expect(conn?.encrypted_access_token).toBeTruthy();
    expect(conn!.encrypted_access_token.startsWith("sim_")).toBe(false);
  });

  test("state 一次性:重放 approve 被拒(OAuth CSRF 防护)", async () => {
    const t = await makeTestEnv();
    const cookie = await loginCookie(t);
    const { state } = (await (
      await authedFetch(t, cookie, "http://localhost/api/oauth/cloudflare/start")
    ).json()) as { state: string };

    const first = await authedFetch(t, cookie, "http://localhost/api/oauth/cloudflare/sim/approve", {
      method: "POST",
      headers: { "Content-Type": "application/json" },
      body: JSON.stringify({ state }),
    });
    expect(first.status).toBe(200);
    // state 已消费,重放被拒
    const second = await authedFetch(t, cookie, "http://localhost/api/oauth/cloudflare/sim/approve", {
      method: "POST",
      headers: { "Content-Type": "application/json" },
      body: JSON.stringify({ state }),
    });
    expect(second.status).toBe(400);
  });

  test("伪造/过期 state 被拒;真实 callback 端点同样拒绝", async () => {
    const t = await makeTestEnv();
    const cookie = await loginCookie(t);
    const bad = await authedFetch(t, cookie, "http://localhost/api/oauth/cloudflare/sim/approve", {
      method: "POST",
      headers: { "Content-Type": "application/json" },
      body: JSON.stringify({ state: "cfstate_forged" }),
    });
    expect(bad.status).toBe(400);
    const cb = await authedFetch(t, cookie, "http://localhost/api/oauth/cloudflare/callback?code=x&state=forged");
    expect(cb.status).toBe(400);
  });

  test("enrollment:token 换取身份,凭证明文仅返回一次且库中只存摘要/密文", async () => {
    const t = await makeTestEnv();
    const cookie = await loginCookie(t);
    // 自动创建账号后,用 rotate 取得 enrollment token
    await authedFetch(t, cookie, "http://localhost/api/oauth/cloudflare/start");
    const accounts = (await (
      await authedFetch(t, cookie, "http://localhost/api/accounts")
    ).json()) as { items: { id: string }[] };
    const accountId = accounts.items[0].id;
    const rotated = (await (
      await authedFetch(t, cookie, `http://localhost/api/accounts/${accountId}/rotate`, { method: "POST" })
    ).json()) as { enrollment_token: string };
    expect(rotated.enrollment_token.startsWith("wenr_")).toBe(true);

    const enroll = (await (
      await t.app.fetch(
        new Request("http://localhost/api/internal/enroll", {
          method: "POST",
          headers: { "Content-Type": "application/json" },
          body: JSON.stringify({ enrollment_token: rotated.enrollment_token }),
        }),
        t.env,
      )
    ).json()) as { node_id: string; credential_secret: string; ingress_secret: string };
    expect(enroll.node_id).toBe(accountId);
    expect(enroll.credential_secret.startsWith("wns_")).toBe(true);

    // 库中不存明文 secret
    const cred = await t.env.DB.prepare(
      "SELECT secret_hash, secret_enc FROM node_credentials WHERE node_id = ? AND status='active'",
    )
      .bind(accountId)
      .first<{ secret_hash: string; secret_enc: string }>();
    expect(cred?.secret_hash).not.toBe(enroll.credential_secret);
    expect(cred?.secret_enc).not.toContain(enroll.credential_secret);
    // 无效 token 被拒
    const badEnroll = await t.app.fetch(
      new Request("http://localhost/api/internal/enroll", {
        method: "POST",
        headers: { "Content-Type": "application/json" },
        body: JSON.stringify({ enrollment_token: "wenr_invalid" }),
      }),
      t.env,
    );
    expect(badEnroll.status).toBe(401);
  });
});