'use strict';

const test = require('node:test');
const assert = require('node:assert');

const { Notifier } = require('../src/core/notifier');
const { defaultConfig } = require('../src/config/expansionConfig');

/** 造一个记录请求的假 fetch */
function setup(options) {
  const opts = options || {};
  const config = defaultConfig();
  Object.assign(config.notify, opts.notify || {});
  const calls = [];
  const fetchImpl = opts.fetchImpl || (async (url, init) => {
    calls.push({ url, init });
    return { ok: true, status: 200 };
  });
  const notifier = new Notifier(config, null, { fetchImpl, minIntervalMs: opts.minIntervalMs });
  return { notifier, config, calls };
}

test('默认关闭：没启用或没配地址时什么都不发', async () => {
  const off = setup();
  assert.strictEqual(off.notifier.isEnabled(), false);
  assert.strictEqual(await off.notifier.notify('hi'), false);
  assert.strictEqual(off.calls.length, 0);

  const noUrl = setup({ notify: { enabled: true } });
  assert.strictEqual(noUrl.notifier.isEnabled(), false, '没有地址等同于没启用');
  assert.strictEqual(await noUrl.notifier.notify('hi'), false);
});

test('启用后按飞书自定义机器人的文本格式 POST', async () => {
  const { notifier, calls } = setup({
    notify: { enabled: true, webhookUrl: 'https://open.feishu.cn/open-apis/bot/v2/hook/abc' }
  });
  assert.strictEqual(notifier.isEnabled(), true);
  assert.strictEqual(await notifier.notify('需要验证码'), true);
  assert.strictEqual(calls.length, 1);
  assert.strictEqual(calls[0].url, 'https://open.feishu.cn/open-apis/bot/v2/hook/abc');
  const body = JSON.parse(calls[0].init.body);
  assert.strictEqual(body.msgtype, 'text');
  assert.strictEqual(body.content.text, '需要验证码');
  assert.strictEqual(notifier.sent, 1);
});

test('同一个去重 key 在最小间隔内只发一次（避免反复打扰）', async () => {
  const { notifier, calls } = setup({
    notify: { enabled: true, webhookUrl: 'https://example.com/hook' },
    minIntervalMs: 60000
  });
  assert.strictEqual(await notifier.notify('a', { key: 'verification:BotA' }), true);
  assert.strictEqual(await notifier.notify('a', { key: 'verification:BotA' }), false, '同一问题不重复提醒');
  assert.strictEqual(calls.length, 1);
  // 不同 key 互不影响
  assert.strictEqual(await notifier.notify('b', { key: 'rescue-failed:BotA' }), true);
  assert.strictEqual(calls.length, 2);
  // force 可以跳过去重（手动重发用）
  assert.strictEqual(await notifier.notify('a', { key: 'verification:BotA', force: true }), true);
  assert.strictEqual(calls.length, 3);
});

test('Webhook 地址可回退环境变量 NOTIFY_WEBHOOK_URL', async () => {
  const previous = process.env.NOTIFY_WEBHOOK_URL;
  process.env.NOTIFY_WEBHOOK_URL = 'https://example.com/from-env';
  try {
    const { notifier, calls } = setup({ notify: { enabled: true } });
    assert.strictEqual(notifier.isEnabled(), true, '配置里没填地址时应回退环境变量');
    await notifier.notify('hi');
    assert.strictEqual(calls[0].url, 'https://example.com/from-env');
  } finally {
    if (previous === undefined) delete process.env.NOTIFY_WEBHOOK_URL;
    else process.env.NOTIFY_WEBHOOK_URL = previous;
  }
});

test('发送失败与异常都被记下来，不会抛出', async () => {
  const { notifier } = setup({
    notify: { enabled: true, webhookUrl: 'https://example.com/hook' },
    fetchImpl: async () => ({ ok: false, status: 500 })
  });
  assert.strictEqual(await notifier.notify('hi'), false);
  assert.strictEqual(notifier.failed, 1);
  assert.strictEqual(notifier.lastError, 'HTTP 500');

  const throwing = setup({
    notify: { enabled: true, webhookUrl: 'https://example.com/hook' },
    fetchImpl: async () => {
      throw new Error('网络不通');
    }
  });
  assert.strictEqual(await throwing.notifier.notify('hi'), false, '异常必须被吞掉');
  assert.strictEqual(throwing.notifier.failed, 1);
  assert.ok(throwing.notifier.lastError.includes('网络不通'));
});

test('snapshot 只暴露域名，不泄露带凭证的完整地址', async () => {
  const { notifier } = setup({
    notify: { enabled: true, webhookUrl: 'https://open.feishu.cn/open-apis/bot/v2/hook/secret-token' }
  });
  await notifier.notify('hi');
  const snap = notifier.snapshot();
  assert.strictEqual(snap.enabled, true);
  assert.strictEqual(snap.configured, true);
  assert.strictEqual(snap.host, 'open.feishu.cn');
  assert.strictEqual(snap.sent, 1);
  assert.ok(!JSON.stringify(snap).includes('secret-token'), '完整地址不能出现在接口响应里');
});