/** API v1 / MCP 测试:Key 隔离、过期邮件 410、MCP 协议与工具 */
import { describe, expect, test } from "bun:test";
import { ingestEmail } from "../console/src/services/email_ingest.ts";
import { authedFetch, loginCookie, makeTestEnv, TEST_MAIL } from "./helpers.ts";

/** # 函数
 * 创建 Key 并返回明文
 */
async function createKey(t: Awaited<ReturnType<typeof makeTestEnv>>, cookie: string, kind: "api" | "mcp") {
  const resp = await authedFetch(t, cookie, "http://localhost/api/keys", {
    method: "POST",
    headers: { "Content-Type": "application/json" },
    body: JSON.stringify({ kind }),
  });
  return ((await resp.json()) as { key: string }).key;
}

describe("Console API v1(Bearer wmh_ Key)", () => {
  test("api key 可读资源;mcp key 访问 v1 被 403(kind 隔离)", async () => {
    const t = await makeTestEnv();
    const cookie = await loginCookie(t);
    const apiKey = await createKey(t, cookie, "api");
    const mcpKey = await createKey(t, cookie, "mcp");

    const ok = await t.app.fetch(
      new Request("http://localhost/api/v1/mailboxes", {
        headers: { Authorization: `Bearer ${apiKey}` },
      }),
      t.env,
    );
    expect(ok.status).toBe(200);
    const data = (await ok.json()) as { items: { address: string }[] };
    expect(data.items.map((m) => m.address)).toContain("*@example.test");

    const bad = await t.app.fetch(
      new Request("http://localhost/api/v1/mailboxes", {
        headers: { Authorization: `Bearer ${mcpKey}` },
      }),
      t.env,
    );
    expect(bad.status).toBe(403);
  });

  test("无 key / 伪造 key / 已撤销 key 均被拒", async () => {
    const t = await makeTestEnv();
    const cookie = await loginCookie(t);
    const noKey = await t.app.fetch(new Request("http://localhost/api/v1/mailboxes"), t.env);
    expect(noKey.status).toBe(401);

    const fake = await t.app.fetch(
      new Request("http://localhost/api/v1/mailboxes", {
        headers: { Authorization: `Bearer wmh_${"A".repeat(28)}` },
      }),
      t.env,
    );
    expect(fake.status).toBe(401);

    const apiKey = await createKey(t, cookie, "api");
    // 找到 key id 并撤销
    const list = (await (
      await authedFetch(t, cookie, "http://localhost/api/keys")
    ).json()) as { items: { id: string; revoked_at: string | null }[] };
    const keyId = list.items.find((k) => !k.revoked_at)!.id;
    await authedFetch(t, cookie, `http://localhost/api/keys/${keyId}/revoke`, { method: "POST" });
    const revoked = await t.app.fetch(
      new Request("http://localhost/api/v1/mailboxes", {
        headers: { Authorization: `Bearer ${apiKey}` },
      }),
      t.env,
    );
    expect(revoked.status).toBe(401);
  });

  test("v1 可创建与删除 mailbox", async () => {
    const t = await makeTestEnv();
    const cookie = await loginCookie(t);
    const apiKey = await createKey(t, cookie, "api");
    const create = await t.app.fetch(
      new Request("http://localhost/api/v1/mailboxes", {
        method: "POST",
        headers: { Authorization: `Bearer ${apiKey}`, "Content-Type": "application/json" },
        body: JSON.stringify({ domain_id: t.domainId, address: "newbox" }),
      }),
      t.env,
    );
    expect(create.status).toBe(201);
    const { id, address } = (await create.json()) as { id: string; address: string };
    expect(address).toBe("newbox@example.test");
    const del = await t.app.fetch(
      new Request(`http://localhost/api/v1/mailboxes/${id}`, {
        method: "DELETE",
        headers: { Authorization: `Bearer ${apiKey}` },
      }),
      t.env,
    );
    expect(del.status).toBe(200);
  });

  test("过期邮件:v1 详情返回 410,列表不出现", async () => {
    const t = await makeTestEnv();
    const cookie = await loginCookie(t);
    const apiKey = await createKey(t, cookie, "api");
    const email = await ingestEmail(t.env, {
      raw: new TextEncoder().encode(TEST_MAIL),
      mailFrom: "a@b.c",
      rcptTo: "hello@example.test",
      nodeId: t.nodeId,
    });
    await t.env.DB.prepare("UPDATE emails SET expires_at = '2000-01-01T00:00:00Z' WHERE id = ?")
      .bind(email.id)
      .run();
    const detail = await t.app.fetch(
      new Request(`http://localhost/api/v1/emails/${email.id}`, {
        headers: { Authorization: `Bearer ${apiKey}` },
      }),
      t.env,
    );
    expect(detail.status).toBe(410);
    const list = await t.app.fetch(
      new Request("http://localhost/api/v1/emails", {
        headers: { Authorization: `Bearer ${apiKey}` },
      }),
      t.env,
    );
    const data = (await list.json()) as { items: { id: string }[] };
    expect(data.items.find((e) => e.id === email.id)).toBeUndefined();
  });
});

describe("MCP(/api/v1/mcp,JSON-RPC over HTTP)", () => {
  async function mcpCall(t: Awaited<ReturnType<typeof makeTestEnv>>, mcpKey: string, body: unknown) {
    return t.app.fetch(
      new Request("http://localhost/api/v1/mcp", {
        method: "POST",
        headers: { Authorization: `Bearer ${mcpKey}`, "Content-Type": "application/json" },
        body: JSON.stringify(body),
      }),
      t.env,
    );
  }

  test("api key 不能访问 MCP(权限基于 credential kind)", async () => {
    const t = await makeTestEnv();
    const cookie = await loginCookie(t);
    const apiKey = await createKey(t, cookie, "api");
    const resp = await mcpCall(t, apiKey, { jsonrpc: "2.0", id: 1, method: "tools/list" });
    expect(resp.status).toBe(403);
  });

  test("initialize + tools/list 返回五个工具与 serverInfo", async () => {
    const t = await makeTestEnv();
    const cookie = await loginCookie(t);
    const mcpKey = await createKey(t, cookie, "mcp");
    const init = await mcpCall(t, mcpKey, { jsonrpc: "2.0", id: 1, method: "initialize", params: {} });
    const initData = (await init.json()) as { result: { serverInfo: { name: string }; protocolVersion: string } };
    expect(initData.result.serverInfo.name).toBe("wmailhub");
    expect(initData.result.protocolVersion).toBe("2025-06-18");

    const tools = await mcpCall(t, mcpKey, { jsonrpc: "2.0", id: 2, method: "tools/list" });
    const toolsData = (await tools.json()) as { result: { tools: { name: string }[] } };
    expect(toolsData.result.tools.map((x) => x.name)).toEqual([
      "list_mailboxes",
      "list_emails",
      "get_email",
      "create_mailbox",
      "delete_mailbox",
    ]);
  });

  test("tools/call:create_mailbox -> list_mailboxes -> get_email -> delete_mailbox", async () => {
    const t = await makeTestEnv();
    const cookie = await loginCookie(t);
    const mcpKey = await createKey(t, cookie, "mcp");
    const email = await ingestEmail(t.env, {
      raw: new TextEncoder().encode(TEST_MAIL),
      mailFrom: "a@b.c",
      rcptTo: "hello@example.test",
      nodeId: t.nodeId,
    });

    const created = await mcpCall(t, mcpKey, {
      jsonrpc: "2.0",
      id: 3,
      method: "tools/call",
      params: { name: "create_mailbox", arguments: { domain_id: t.domainId, address: "mcptest" } },
    });
    const createdData = (await created.json()) as { result: { content: { text: string }[] } };
    expect(JSON.parse(createdData.result.content[0].text).address).toBe("mcptest@example.test");

    const list = await mcpCall(t, mcpKey, {
      jsonrpc: "2.0",
      id: 4,
      method: "tools/call",
      params: { name: "list_mailboxes", arguments: {} },
    });
    const listData = (await list.json()) as { result: { content: { text: string }[] } };
    const mailboxes = JSON.parse(listData.result.content[0].text) as {
      mailboxes: { id: string; address: string }[];
    };
    expect(mailboxes.mailboxes.map((m) => m.address)).toContain("mcptest@example.test");

    const got = await mcpCall(t, mcpKey, {
      jsonrpc: "2.0",
      id: 5,
      method: "tools/call",
      params: { name: "get_email", arguments: { id: email.id } },
    });
    const gotData = (await got.json()) as { result: { content: { text: string }[] } };
    const gotEmail = JSON.parse(gotData.result.content[0].text) as { email: { subject: string } };
    expect(gotEmail.email.subject).toBe("Test Mail");

    const target = mailboxes.mailboxes.find((m) => m.address === "mcptest@example.test")!.id;
    const del = await mcpCall(t, mcpKey, {
      jsonrpc: "2.0",
      id: 6,
      method: "tools/call",
      params: { name: "delete_mailbox", arguments: { id: target } },
    });
    const delData = (await del.json()) as { result: { content: { text: string }[] } };
    expect(JSON.parse(delData.result.content[0].text).ok).toBe(true);
  });

  test("未知方法返回 -32601;GET 返回 405", async () => {
    const t = await makeTestEnv();
    const cookie = await loginCookie(t);
    const mcpKey = await createKey(t, cookie, "mcp");
    const bad = await mcpCall(t, mcpKey, { jsonrpc: "2.0", id: 9, method: "no/such/method" });
    const badData = (await bad.json()) as { error: { code: number } };
    expect(badData.error.code).toBe(-32601);
    const get = await t.app.fetch(
      new Request("http://localhost/api/v1/mcp", {
        headers: { Authorization: `Bearer ${mcpKey}` },
      }),
      t.env,
    );
    expect(get.status).toBe(405);
  });
});