import test from "node:test";
import assert from "node:assert/strict";
import os from "node:os";
import path from "node:path";
import { mkdtemp, rm } from "node:fs/promises";
import { NextRequest } from "next/server";

let runtimeRoot = "";
let getRoute: (typeof import("../src/app/api/v1/integrations/telegram/route"))["GET"];
let postRoute: (typeof import("../src/app/api/v1/integrations/telegram/route"))["POST"];
let createAuthSession: (typeof import("../src/lib/boss-data"))["createAuthSession"];
let AUTH_SESSION_COOKIE = "";

async function setup() {
  if (runtimeRoot) return;
  runtimeRoot = await mkdtemp(path.join(os.tmpdir(), "boss-telegram-route-"));
  process.env.BOSS_RUNTIME_ROOT = runtimeRoot;
  process.env.BOSS_STATE_FILE = path.join(runtimeRoot, "boss-state.json");

  const [routeModule, data, auth] = await Promise.all([
    import("../src/app/api/v1/integrations/telegram/route.ts"),
    import("../src/lib/boss-data.ts"),
    import("../src/lib/boss-auth.ts"),
  ]);
  getRoute = routeModule.GET;
  postRoute = routeModule.POST;
  createAuthSession = data.createAuthSession;
  AUTH_SESSION_COOKIE = auth.AUTH_SESSION_COOKIE;
}

test.after(async () => {
  if (runtimeRoot) {
    await rm(runtimeRoot, { recursive: true, force: true });
  }
});

async function createAuthedRequest(url: string, method: "GET" | "POST", body?: unknown) {
  const session = await createAuthSession({
    account: "krisolo",
    role: "highest_admin",
    displayName: "Boss 超级管理员",
    loginMethod: "password",
  });
  return new NextRequest(url, {
    method,
    headers: {
      cookie: `${AUTH_SESSION_COOKIE}=${session.sessionToken}`,
      ...(body ? { "content-type": "application/json" } : {}),
    },
    body: body ? JSON.stringify(body) : undefined,
  });
}

test("Telegram 配置接口返回脱敏配置视图", async () => {
  await setup();

  const saveResponse = await postRoute(
    await createAuthedRequest("http://127.0.0.1:3000/api/v1/integrations/telegram", "POST", {
      enabled: true,
      botToken: "123:abc",
      allowFrom: ["123456"],
      webhookSecret: "secret-demo",
    }),
  );
  assert.equal(saveResponse.status, 200);

  const getResponse = await getRoute(
    await createAuthedRequest("http://127.0.0.1:3000/api/v1/integrations/telegram", "GET"),
  );
  assert.equal(getResponse.status, 200);
  const payload = (await getResponse.json()) as {
    ok: boolean;
    telegram: {
      botTokenConfigured: boolean;
      webhookSecretConfigured: boolean;
      allowFrom: string[];
    };
  };
  assert.equal(payload.ok, true);
  assert.equal(payload.telegram.botTokenConfigured, true);
  assert.equal(payload.telegram.webhookSecretConfigured, true);
  assert.deepEqual(payload.telegram.allowFrom, ["123456"]);
  assert.equal("botToken" in payload.telegram, false);
});

test("Telegram 配置保存到 webhook 模式时会自动调用 setWebhook", async () => {
  await setup();
  const originalFetch = globalThis.fetch;
  const calls: Array<{ url: string; body?: unknown }> = [];

  globalThis.fetch = (async (input, init) => {
    const url = typeof input === "string" ? input : input instanceof URL ? input.toString() : input.url;
    calls.push({
      url,
      body: init?.body ? JSON.parse(String(init.body)) : undefined,
    });
    if (url === "https://api.telegram.org/bot123:abc/setWebhook") {
      return new Response(JSON.stringify({ ok: true, result: true }), {
        status: 200,
        headers: { "content-type": "application/json" },
      });
    }
    throw new Error(`unexpected fetch: ${url}`);
  }) as typeof fetch;

  try {
    const response = await postRoute(
      await createAuthedRequest("http://127.0.0.1:3000/api/v1/integrations/telegram", "POST", {
        enabled: true,
        mode: "webhook",
        botToken: "123:abc",
        webhookSecret: "boss-telegram-secret",
        webhookUrl: "https://boss.hyzq.net/api/v1/integrations/telegram/webhook",
      }),
    );
    assert.equal(response.status, 200);
    const payload = (await response.json()) as {
      ok: boolean;
      webhookSync?: { ok: boolean; action: string };
    };
    assert.equal(payload.ok, true);
    assert.equal(payload.webhookSync?.ok, true);
    assert.equal(payload.webhookSync?.action, "set_webhook");
    assert.equal(calls.length, 1);
    assert.equal(calls[0]?.url, "https://api.telegram.org/bot123:abc/setWebhook");
    assert.deepEqual(calls[0]?.body, {
      url: "https://boss.hyzq.net/api/v1/integrations/telegram/webhook",
      secret_token: "boss-telegram-secret",
      drop_pending_updates: false,
    });
  } finally {
    globalThis.fetch = originalFetch;
  }
});

test("Telegram 配置切回 polling 时会自动调用 deleteWebhook", async () => {
  await setup();
  const originalFetch = globalThis.fetch;
  const calls: string[] = [];

  globalThis.fetch = (async (input) => {
    const url = typeof input === "string" ? input : input instanceof URL ? input.toString() : input.url;
    calls.push(url);
    if (url === "https://api.telegram.org/bot123:abc/deleteWebhook") {
      return new Response(JSON.stringify({ ok: true, result: true }), {
        status: 200,
        headers: { "content-type": "application/json" },
      });
    }
    throw new Error(`unexpected fetch: ${url}`);
  }) as typeof fetch;

  try {
    const response = await postRoute(
      await createAuthedRequest("http://127.0.0.1:3000/api/v1/integrations/telegram", "POST", {
        enabled: true,
        mode: "polling",
        botToken: "123:abc",
      }),
    );
    assert.equal(response.status, 200);
    const payload = (await response.json()) as {
      ok: boolean;
      webhookSync?: { ok: boolean; action: string };
    };
    assert.equal(payload.ok, true);
    assert.equal(payload.webhookSync?.ok, true);
    assert.equal(payload.webhookSync?.action, "delete_webhook");
    assert.deepEqual(calls, ["https://api.telegram.org/bot123:abc/deleteWebhook"]);
  } finally {
    globalThis.fetch = originalFetch;
  }
});

test("Telegram 配置接口可以保存群聊到项目的路由表", async () => {
  await setup();
  const originalFetch = globalThis.fetch;

  globalThis.fetch = (async (input) => {
    const url = typeof input === "string" ? input : input instanceof URL ? input.toString() : input.url;
    if (url === "https://api.telegram.org/bot123:abc/deleteWebhook") {
      return new Response(JSON.stringify({ ok: true, result: true }), {
        status: 200,
        headers: { "content-type": "application/json" },
      });
    }
    throw new Error(`unexpected fetch: ${url}`);
  }) as typeof fetch;

  try {
    const response = await postRoute(
      await createAuthedRequest("http://127.0.0.1:3000/api/v1/integrations/telegram", "POST", {
        enabled: true,
        groupProjectRoutes: [
          {
            chatId: "-100200300",
            projectId: "audit-collab",
            label: "审计群",
          },
          {
            chatId: "-100200300",
            threadId: 12,
            projectId: "master-agent",
            label: "主控 Topic",
          },
        ],
      }),
    );

    assert.equal(response.status, 200);
    const payload = (await response.json()) as {
      ok: boolean;
      telegram: {
        groupProjectRoutes: Array<{ chatId: string; threadId?: number; projectId: string; label?: string }>;
      };
    };
    assert.equal(payload.ok, true);
    assert.deepEqual(payload.telegram.groupProjectRoutes, [
      { chatId: "-100200300", projectId: "audit-collab", label: "审计群" },
      { chatId: "-100200300", threadId: 12, projectId: "master-agent", label: "主控 Topic" },
    ]);
  } finally {
    globalThis.fetch = originalFetch;
  }
});