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', 'AI_PROVIDER_LABELS', 'DEFAULT_QWEN_ENDPOINT'].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 helpers = source.statements.filter(node => ts.isFunctionDeclaration(node) && ['aiSettingDraft', 'aiSettingDrafts'].includes(node.name?.text));
const catalogs = [...constants, ...helpers].map(node => `export ${node.getText(source)}`).join('\n');
const { AI_MODEL_OPTIONS, AI_MODEL_DEFAULTS, CUSTOM_AI_MODEL, aiSettingDrafts } = compile(catalogs);
function find(node, predicate) {
  if (predicate(node)) return node;
  return ts.forEachChild(node, child => find(child, predicate));
}
const section = find(source, node => ts.isJsxElement(node) && node.openingElement.tagName.getText(source) === 'section' && node.openingElement.attributes.getText(source).includes('border-t border-[#e2e8f0] pt-5') && node.getText(source).includes('AI 공급자'));
function controls(provider, model, custom = false, configured = true) {
  const state = { aiProvider: provider, drafts: aiSettingDrafts() };
  Object.assign(state.drafts[provider], { model, customModel: custom });
  for (const [name, field] of [['aiModel', 'model'], ['aiCustomModel', 'customModel'], ['aiApiKey', 'apiKey'], ['aiEndpointUrl', 'endpointUrl']]) {
    Object.defineProperty(state, name, { enumerable: true, get: () => state.drafts[state.aiProvider][field] });
  }
  const context = {
    aiSettingLoading: false, saving: false, aiEndpointUrl: 'https://example.test', aiApiKey: '', aiHasApiKey: false, aiConfiguredProvider: null,
    aiCopilotConfigured: configured,
    DEFAULT_QWEN_ENDPOINT: 'https://example.test', KeyRound: () => null,
    setAiProvider(value) { state.aiProvider = value; }, setAiModel(value) { state.drafts[state.aiProvider].model = value; },
    setAiCustomModel(value) { state.drafts[state.aiProvider].customModel = value; },
    setAiApiKey(value) { state.drafts[state.aiProvider].apiKey = value; },
    setAiEndpointUrl(value) { state.drafts[state.aiProvider].endpointUrl = value; }, setError() {},
  };
  const render = () => compile(`${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`, () => {
    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('provider defaults select the highest-tier current models at the top of each list', () => {
  const expected = { OPENAI: 'gpt-6-astra', ANTHROPIC: 'claude-fable-5-1', GEMINI: 'gemini-4-argon', QWEN: 'qwen3.8-max' };
  for (const [provider, model] of Object.entries(expected)) {
    assert.equal(AI_MODEL_DEFAULTS[provider], model);
    assert.equal(AI_MODEL_OPTIONS[provider][0].value, model);
    const h = controls('A_COPILOT', 'a-copilot');
    elements(h.render(), node => node.props.role === 'radio' && node.props['aria-label'] === ({ OPENAI: 'OpenAI', ANTHROPIC: 'Claude', GEMINI: 'Gemini', QWEN: 'Qwen' })[provider])[0].props.onClick();
    assert.equal(h.state.aiModel, model);
  }
});

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('Qwen Max 0902 is selectable and saved selections restore without custom mode', () => {
  const model = 'qwen3.8-max-0902';
  const h = controls('QWEN', AI_MODEL_DEFAULTS.QWEN);
  const select = elements(h.render(), node => node.type === 'select')[0];
  const option = elements(select, node => node.type === 'option' && node.props.value === model);
  assert.equal(option.length, 1);
  assert.equal(option[0].props.children, 'Qwen 3.8 Max (0902)');
  select.props.onChange({ target: { value: model } });
  assert.equal(h.state.aiModel, model);
  assert.equal(h.state.aiCustomModel, false);
  const restored = aiSettingDrafts([{ provider: 'QWEN', enabled: true, model, hasApiKey: true }]);
  assert.equal(restored.QWEN.model, model);
  assert.equal(restored.QWEN.customModel, false);
  assert.equal(AI_MODEL_DEFAULTS.QWEN, 'qwen3.8-max');
});

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.find(node => node.props['aria-label'] === 'OpenAI').props.onClick();
  assert.equal(h.state.aiModel, 'custom-gpt');
  assert.equal(h.state.aiCustomModel, true);
  providers.find(node => node.props['aria-label'] === 'Claude').props.onClick();
  assert.equal(h.state.aiProvider, 'ANTHROPIC');
  assert.equal(h.state.aiModel, AI_MODEL_DEFAULTS.ANTHROPIC);
  assert.equal(h.state.aiCustomModel, false);
});

test('A-Copilot is first and exposes only fixed read-only fields without a model picker', () => {
  const tree = controls('A_COPILOT', 'a-copilot').render();
  assert.equal(elements(tree, node => node.props.role === 'radio')[0].props['aria-label'], 'A-Copilot');
  assert.equal(elements(tree, node => node.type === 'select').length, 0);
  const inputs = elements(tree, node => node.type === 'input');
  assert.deepEqual(inputs.map(node => node.props.value), ['A-Copilot', '서버에서 관리']);
  assert.ok(inputs.every(node => node.props.readOnly && !node.props.onChange));
  assert.equal(AI_MODEL_DEFAULTS.A_COPILOT, 'a-copilot');
  assert.equal(elements(controls('A_COPILOT', 'a-copilot', false, false).render(), node => node.props.role === 'alert').length, 1);
});

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);
});

test('all new providers default to disabled while saved settings stay intact', () => {
  assert.ok(Object.values(aiSettingDrafts()).every(draft => !draft.enabled && !draft.hasApiKey && draft.apiKey === ''));
  const drafts = aiSettingDrafts([{ provider: 'QWEN', enabled: true, model: 'custom-qwen', hasApiKey: true, endpointUrl: 'https://qwen.test/v1' }]);
  assert.equal(drafts.QWEN.enabled, true);
  assert.equal(drafts.QWEN.model, 'custom-qwen');
  assert.equal(drafts.QWEN.customModel, true);
  assert.equal(drafts.OPENAI.enabled, false);
  assert.equal(drafts.OPENAI.hasApiKey, false);
});

test('switching providers preserves separate unsaved models, keys and availability', () => {
  const h = controls('OPENAI', 'private-model', true);
  Object.assign(h.state.drafts.OPENAI, { enabled: true, apiKey: 'openai-draft' });
  const provider = name => elements(h.render(), node => node.props.role === 'radio' && node.props['aria-label'] === name)[0];
  provider('Qwen').props.onClick();
  assert.equal(h.state.aiApiKey, '');
  Object.assign(h.state.drafts.QWEN, { model: 'qwen3.8-flash', enabled: false, apiKey: 'qwen-draft' });
  provider('OpenAI').props.onClick();
  assert.equal(h.state.aiModel, 'private-model');
  assert.equal(h.state.aiCustomModel, true);
  assert.equal(h.state.aiApiKey, 'openai-draft');
  assert.equal(h.state.drafts.OPENAI.enabled, true);
  provider('Qwen').props.onClick();
  assert.equal(h.state.aiModel, 'qwen3.8-flash');
  assert.equal(h.state.aiApiKey, 'qwen-draft');
  assert.equal(h.state.drafts.QWEN.enabled, false);
});