const { test } = require('node:test');
const assert = require('node:assert/strict');
const fs = require('node:fs');
const vm = require('node:vm');
const ts = require('typescript');
const React = require('react');

const source = ts.createSourceFile('SettingsPage.tsx', fs.readFileSync(require.resolve('../src/pages/settings/SettingsPage.tsx'), 'utf8'), ts.ScriptTarget.Latest, true, ts.ScriptKind.TSX);
const constants = source.statements.filter(node => ts.isVariableStatement(node) && ['AI_MODEL_DEFAULTS', 'AI_MODEL_OPTIONS', 'CUSTOM_AI_MODEL'].includes(node.declarationList.declarations[0].name.getText(source)));
function compile(code, globals = {}) {
  const exports = {};
  vm.runInNewContext(ts.transpileModule(code, { compilerOptions: { module: ts.ModuleKind.CommonJS, target: ts.ScriptTarget.ES2022, jsx: ts.JsxEmit.ReactJSX } }).outputText, { exports, require, ...globals });
  return exports;
}
const catalogs = constants.map(node => `export ${node.getText(source)}`).join('\n');
const { AI_MODEL_OPTIONS, AI_MODEL_DEFAULTS, CUSTOM_AI_MODEL } = compile(catalogs);
function find(node, predicate) {
  if (predicate(node)) return node;
  return ts.forEachChild(node, child => find(child, predicate));
}
const section = find(source, node => ts.isJsxElement(node) && node.openingElement.tagName.getText(source) === 'section' && node.openingElement.attributes.getText(source).includes('border-t border-[#e2e8f0] pt-5') && node.getText(source).includes('AI 공급자'));
function controls(provider, model, custom = false) {
  const state = { aiProvider: provider, aiModel: model, aiCustomModel: custom };
  const context = {
    aiSettingLoading: false, saving: false, aiEndpointUrl: 'https://example.test', aiApiKey: '', aiHasApiKey: false, aiConfiguredProvider: null,
    AI_PROVIDER_LABELS: { OPENAI: 'OpenAI', ANTHROPIC: 'Claude', GEMINI: 'Gemini', QWEN: 'Qwen' },
    DEFAULT_QWEN_ENDPOINT: 'https://example.test', KeyRound: () => null,
    setAiProvider(value) { state.aiProvider = value; }, setAiModel(value) { state.aiModel = value; },
    setAiCustomModel(value) { state.aiCustomModel = value; }, setAiApiKey() {}, setAiEndpointUrl() {},
  };
  const render = () => compile(`${catalogs}\nexport const tree = (${section.getText(source)});`, { ...context, ...state }).tree;
  return { state, render };
}
function elements(root, predicate) {
  if (!React.isValidElement(root)) return [];
  return [...(predicate(root) ? [root] : []), ...React.Children.toArray(root.props.children).flatMap(child => elements(child, predicate))];
}

for (const provider of Object.keys(AI_MODEL_OPTIONS)) {
  test(`${provider} offers current models and a custom model field without changing defaults`, () => {
    const h = controls(provider, AI_MODEL_DEFAULTS[provider]);
    let tree = h.render();
    const select = elements(tree, node => node.type === 'select')[0];
    assert.equal(select.props.value, AI_MODEL_DEFAULTS[provider]);
    assert.equal(elements(select, node => node.type === 'option' && node.props.value === CUSTOM_AI_MODEL).length, 1);
    assert.equal(elements(tree, node => node.type === 'input' && node.props.type === 'text').length, 0);
    select.props.onChange({ target: { value: CUSTOM_AI_MODEL } });
    assert.equal(h.state.aiCustomModel, true);
    assert.equal(h.state.aiModel, '');
    tree = h.render();
    const input = elements(tree, node => node.type === 'input' && node.props.type === 'text')[0];
    assert.equal(input.props.maxLength, 120);
    input.props.onChange({ target: { value: 'custom-model-2026' } });
    assert.equal(h.state.aiModel, 'custom-model-2026');
    assert.equal(elements(h.render(), node => node.type === 'select')[0].props.value, CUSTOM_AI_MODEL);
    elements(h.render(), node => node.type === 'select')[0].props.onChange({ target: { value: AI_MODEL_OPTIONS[provider][0].value } });
    assert.equal(h.state.aiCustomModel, false);
    assert.equal(h.state.aiModel, AI_MODEL_OPTIONS[provider][0].value);
    assert.equal(new Set(AI_MODEL_OPTIONS[provider].map(option => option.value)).size, AI_MODEL_OPTIONS[provider].length);
  });
}

test('saved unknown model IDs remain visible in custom mode', () => {
  const model = 'provider/private-model:revision-10';
  const h = controls('QWEN', model, true);
  const tree = h.render();
  assert.equal(elements(tree, node => node.type === 'select')[0].props.value, CUSTOM_AI_MODEL);
  assert.equal(elements(tree, node => node.type === 'input' && node.props.type === 'text')[0].props.value, model);
  assert.equal(AI_MODEL_OPTIONS.QWEN.some(option => option.value === model), false);
});

test('the selected provider button preserves a custom draft', () => {
  const h = controls('OPENAI', 'custom-gpt', true);
  const providers = elements(h.render(), node => node.props.role === 'radio');
  providers[0].props.onClick();
  assert.equal(h.state.aiModel, 'custom-gpt');
  assert.equal(h.state.aiCustomModel, true);
  providers[1].props.onClick();
  assert.equal(h.state.aiProvider, 'ANTHROPIC');
  assert.equal(h.state.aiModel, AI_MODEL_DEFAULTS.ANTHROPIC);
  assert.equal(h.state.aiCustomModel, false);
});

test('official current API IDs are present', () => {
  for (const [provider, ids] of Object.entries({
    OPENAI: ['gpt-6.1-sol', 'gpt-6-astra', 'gpt-6-luna'],
    ANTHROPIC: ['claude-sonnet-5-5', 'claude-opus-5-5', 'claude-haiku-5-5', 'claude-fable-5-1'],
    GEMINI: ['gemini-4-argon', 'gemini-3.8-flash', 'gemini-3.5-flash-lite'],
    QWEN: ['qwen3.8-max', 'qwen3.8-flash'],
  })) for (const id of ids) assert.ok(AI_MODEL_OPTIONS[provider].some(option => option.value === id), id);
});