import test from 'node:test';
import assert from 'node:assert/strict';
import vm from 'node:vm';
import { build } from 'esbuild';

// Exercise the actual request/composable code against a controlled uni transport, without sending business requests.
const bundled = await build({
  stdin: {
    contents: `export { session, clearSession } from './src/stores/state'; export { get } from './src/api/client'; export { useCommand } from './src/composables/useCommand'; export { useResource } from './src/composables/useResource'; export { usePaged } from './src/composables/usePaged';`,
    resolveDir: process.cwd(),
    loader: 'ts',
  },
  bundle: true,
  write: false,
  platform: 'node',
  format: 'cjs',
  define: {
    'import.meta.env.VITE_API_BASE_URL': '""',
    'process.env.NODE_ENV': '"production"',
  },
});
function fixture() {
  const calls = [];
  const storage = new Map();
  const transport = {
    request: (options) => calls.push(options),
    getStorageSync: (key) => (storage.has(key) ? JSON.parse(storage.get(key)) : ''),
    setStorageSync: (key, value) => storage.set(key, JSON.stringify(value)),
    removeStorageSync: (key) => storage.delete(key),
    stopPullDownRefresh() {},
    showToast() {},
  };
  const context = vm.createContext({
    module: { exports: {} },
    exports: {},
    uni: transport,
    console,
    setTimeout,
    clearTimeout,
  });
  vm.runInContext(bundled.outputFiles[0].text, context);
  const app = context.module.exports;
  Object.assign(app.session, {
    token: 'a'.repeat(64),
    userId: '11',
    active: { role: 'enterprise_admin', resource_id: 4, name: 'fixture' },
  });
  return { ...app, calls, storage };
}

test('protected requests carry mini token; public requests do not', async () => {
  const app = fixture();
  const publicRequest = app.get('/config', {}, false);
  assert.equal(app.calls[0].header.Authorization, undefined);
  app.calls[0].success({
    statusCode: 200,
    data: { code: 0, data: { enabled: true } },
  });
  await publicRequest;
  const protectedRequest = app.get('/me');
  assert.equal(app.calls[1].header.Authorization, 'Bearer ' + 'a'.repeat(64));
  app.calls[1].success({
    statusCode: 200,
    data: { code: 0, data: { user_id: '11' } },
  });
  assert.equal((await protectedRequest).user_id, '11');
});

test('HTTP 401 clears the current session and rejects the request', async () => {
  const app = fixture();
  const request = app.get('/me');
  app.calls[0].success({
    statusCode: 401,
    data: { code: 40101, message: '请先登录' },
  });
  await assert.rejects(request, /请先登录/);
  assert.equal(app.session.token, '');
  assert.equal(app.session.active, null);
});

test('a late response from an old identity cannot update data or invalidate a new login', async () => {
  const app = fixture();
  const request = app.get('/me');
  app.session.epoch++;
  app.session.token = 'b'.repeat(64);
  app.calls[0].success({
    statusCode: 401,
    data: { code: 40101, message: 'old token' },
  });
  await assert.rejects(request, /身份已切换/);
  assert.equal(app.session.token, 'b'.repeat(64));
});

test('logout synchronously clears loaded private data and list items', async () => {
  const app = fixture();
  const detail = app.useResource(async () => ({ name: 'private' }));
  const list = app.usePaged(async () => ({
    items: [{ id: 1 }],
    has_more: false,
    total: 1,
  }));
  await detail.load();
  await list.load(true);
  assert.equal(detail.data.value.name, 'private');
  assert.equal(list.items.value.length, 1);
  app.clearSession();
  assert.equal(detail.data.value, null);
  assert.equal(list.items.value.length, 0);
});

test('a slow old filter cannot overwrite a newer paginated result', async () => {
  const app = fixture();
  const pending = [];
  const list = app.usePaged(() => new Promise((resolve) => pending.push(resolve)));
  const first = list.load(true);
  const second = list.load(true);
  pending[1]({ items: [{ id: 2 }], total: 1, has_more: false });
  await second;
  pending[0]({ items: [{ id: 1 }], total: 1, has_more: false });
  await first;
  assert.equal(list.items.value[0].id, 2);
  assert.equal(list.data.value.items[0].id, 2);
});

test('pagination appends each page, stops at the end, and clears metadata on logout', async () => {
  const app = fixture();
  const pages = [];
  const list = app.usePaged(async (page) => {
    pages.push(page);
    return { items: [{ id: page }], total: 2, has_more: page < 2, total_cents: 266400 };
  });
  await list.load(true);
  assert.equal(list.data.value.total_cents, 266400);
  await list.load();
  await list.load();
  assert.deepEqual(pages, [1, 2]);
  assert.equal(list.items.value.length, 2);
  assert.equal(list.hasMore.value, false);
  app.clearSession();
  assert.equal(list.data.value, null);
  assert.equal(list.items.value.length, 0);
});

test('double taps are ignored, network retries reuse persisted key, and success is delivered once', async () => {
  const app = fixture();
  let completions = 0;
  const command = app.useCommand(
    () => '/enterprises/4/deliveries',
    () => {
      completions++;
    },
  );
  const first = command.execute({ sku_id: 2, quantity: 8 });
  await command.execute({ sku_id: 2, quantity: 8 });
  assert.equal(app.calls.length, 1);
  const key = app.calls[0].data.request_key;
  app.calls[0].fail();
  await first;
  assert.equal(command.pending, true);
  assert.equal(app.storage.size, 1);
  const retry = command.retry();
  assert.equal(app.calls[1].data.request_key, key);
  app.calls[1].success({ statusCode: 200, data: { code: 0, data: { id: 9 } } });
  await retry;
  assert.equal(command.pending, false);
  assert.equal(app.storage.size, 0);
  assert.equal(completions, 1);
});

test('checkout submission repairs a stored payload missing its request key and keeps it on retry', async () => {
  const app = fixture();
  const path = '/enterprises/49/checkouts';
  const payload = { items: [{ package_id: 1, quantity: 2 }], expected_amount_cents: 1000, agreement_accepted: true, invoice: null };
  app.storage.set(`water.command:11:${path}`, JSON.stringify(payload));
  const command = app.useCommand(() => path, () => {});
  const attempt = command.execute(payload);
  const key = app.calls[0].data.request_key;
  assert.match(key, /^[A-Za-z0-9_-]{8,80}$/);
  app.calls[0].fail();
  await attempt;
  const retry = command.retry();
  assert.equal(app.calls[1].data.request_key, key);
  app.calls[1].success({ statusCode: 200, data: { code: 0, data: { id: 9 } } });
  await retry;
  assert.equal(app.storage.size, 0);
});

test('an unresolved command survives page recreation and cannot be replaced with edited input', async () => {
  const app = fixture();
  const path = () => '/enterprises/4/deliveries';
  const first = app.useCommand(path, () => {});
  const attempt = first.execute({ quantity: 8 });
  app.calls[0].fail();
  await attempt;
  const reopened = app.useCommand(path, () => {});
  await reopened.execute({ quantity: 9 });
  assert.equal(app.calls.length, 1);
  assert.equal(reopened.pending, true);
  const retry = reopened.retry();
  assert.equal(app.calls[1].data.quantity, 8);
  app.calls[1].success({
    statusCode: 422,
    data: { code: 42201, message: 'test rejection' },
  });
  await retry;
  assert.equal(app.storage.size, 0);
});