import test from 'node:test';
import assert from 'node:assert/strict';
import { readFile } from 'node:fs/promises';
import { createRequire } from 'node:module';
import { JSDOM } from 'jsdom';
import { parse, compileScript, compileTemplate } from '@vue/compiler-sfc';
import ts from 'typescript';

// Mount the actual uni-app checkbox, group and label; do not replace their click behavior.
const dom = new JSDOM('<!doctype html><html><body></body></html>', {
  url: 'http://localhost/',
});
for (const key of ['window', 'document', 'Element', 'HTMLElement', 'SVGElement', 'Node']) {
  globalThis[key] = dom.window[key];
}
globalThis.__uniConfig = {};
globalThis.getCurrentPages = () => [];
const require = createRequire(import.meta.url);
const vue = require('vue');
const { Checkbox, CheckboxGroup, Label, Input } = require('@dcloudio/uni-h5');
const source = await readFile(new URL('../src/pages/account/login.vue', import.meta.url), 'utf8');
const { descriptor } = parse(source, { filename: 'login.vue' });
const script = compileScript(descriptor, { id: 'login-agreement-dom' });
const components = {
  checkbox: 'UniCheckbox',
  'checkbox-group': 'UniCheckboxGroup',
  label: 'UniLabel',
  input: 'UniInput',
};
const template = compileTemplate({
  source: descriptor.template.content.replace(
    /<(\/?)(checkbox-group|checkbox|label|input)(?=[\s/>])/g,
    (_, closing, tag) => '<' + closing + components[tag],
  ),
  filename: 'login.vue',
  id: 'login-agreement-dom',
  compilerOptions: {
    bindingMetadata: script.bindings,
    isNativeTag: (tag) => ['view', 'text', 'button'].includes(tag),
  },
});
assert.deepEqual(template.errors, []);

function evaluate(code, dependencies) {
  const { outputText } = ts.transpileModule(code, {
    compilerOptions: { target: ts.ScriptTarget.ES2022, module: ts.ModuleKind.CommonJS },
  });
  const exports = {};
  new Function('require', 'exports', outputText)((name) => {
    if (name in dependencies) return dependencies[name];
    throw new Error('Unexpected dependency: ' + name);
  }, exports);
  return exports;
}

async function click(element) {
  assert.ok(element, 'click target exists');
  element.click();
  await vue.nextTick();
  await Promise.resolve();
}

async function fixture(t, code = '', phone = '13012345678') {
  const posts = [],
    messages = [],
    accepted = [],
    navigations = [];
  globalThis.uni = { reLaunch: ({ url }) => navigations.push(url) };
  const configuration = {
    privacy_url: 'https://example.test/privacy',
    capabilities: { sms_login: true, test_phone_login: true },
  };
  const login = { access_token: 'fixture-token', user_id: '42', identities: [] };
  const component = evaluate(script.content, {
    vue,
    '@dcloudio/uni-app': { onShow() {} },
    '../../stores/session': {
      session: vue.reactive({ configuration }),
      loadConfiguration() {},
      acceptLogin: (value) => accepted.push(value),
      accountPage: () => '/pages/home/index',
    },
    '../../api/client': {},
    '../../utils/format': {
      toast: (message) => messages.push(message),
      go: (url) => navigations.push(url),
    },
    '../../utils/login-flow': {
      isTestPhone: (phone) => ['13012345678', '13012345679', '13012345680'].includes(phone),
      requestPhoneCode: async () => true,
      loginByPhoneCode: async (phone, code) => {
        posts.push({ phone, code });
        return login;
      },
    },
  }).default;
  component.render = evaluate(template.code, { vue }).render;
  const root = document.createElement('div');
  document.body.append(root);
  const app = vue.createApp(component);
  app.component('UniCheckbox', Checkbox);
  app.component('UniCheckboxGroup', CheckboxGroup);
  app.component('UniLabel', Label);
  app.component('UniInput', Input);
  app.mount(root);
  t.after(() => {
    app.unmount();
    root.remove();
  });
  await click(root.querySelector('.login-option'));
  const phoneInput = root.querySelector('.phone-login input');
  phoneInput.value = phone;
  phoneInput.dispatchEvent(new window.Event('input', { bubbles: true }));
  await vue.nextTick();
  const codeInput = root.querySelector('.code-field input');
  if (codeInput) {
    codeInput.value = code;
    codeInput.dispatchEvent(new window.Event('input', { bubbles: true }));
  }
  await vue.nextTick();
  const consent = () =>
    [...root.querySelectorAll('uni-label text')].find((element) =>
      element.textContent.includes('我已阅读并同意'),
    );
  const checked = () => Boolean(root.querySelector('uni-checkbox svg'));
  const submit = () => click(root.querySelector('.phone-login .primary'));
  return { root, posts, messages, accepted, navigations, consent, checked, submit };
}

test('clicking the agreement text updates the actual checkbox and permits login', async (t) => {
  const app = await fixture(t);
  await app.submit();
  assert.match(app.messages.at(-1), /请先阅读并同意/);
  await click(app.consent());
  assert.equal(app.checked(), true);
  await app.submit();
  assert.equal(app.root.querySelector('.code-field'), null);
  assert.deepEqual(app.posts, [{ phone: '13012345678', code: '' }]);
  assert.equal(app.accepted.length, 1);
});

test('checkbox and label clicks remain synchronized when repeatedly selecting and clearing', async (t) => {
  const app = await fixture(t);
  await click(app.root.querySelector('uni-checkbox'));
  assert.equal(app.checked(), true);
  await click(app.consent());
  assert.equal(app.checked(), false);
  await app.submit();
  assert.equal(app.posts.length, 0);
  assert.match(app.messages.at(-1), /请先阅读并同意/);
  await click(app.consent());
  await app.submit();
  assert.equal(app.posts.length, 1);
});

test('opening the privacy link never changes agreement selection', async (t) => {
  const app = await fixture(t);
  await click(app.root.querySelector('.check-row .link'));
  assert.equal(app.checked(), false);
  await app.submit();
  assert.equal(app.posts.length, 0);
  await click(app.consent());
  await click(app.root.querySelector('.check-row .link'));
  assert.equal(app.checked(), true);
  await app.submit();
  assert.equal(app.posts.length, 1);
});

test('an agreed real phone login still rejects an invalid SMS code', async (t) => {
  const app = await fixture(t, '66666', '13800138000');
  await click(app.consent());
  await app.submit();
  assert.equal(app.posts.length, 0);
  assert.equal(app.messages.at(-1), '请输入6位短信验证码');
});