import { mkdtemp, readFile, rm, writeFile } from 'node:fs/promises';
import { tmpdir } from 'node:os';
import path from 'node:path';
import { closeElectronApp, expect, getStableWindow, test } from './fixtures/electron';

const CANONICAL_PROJECT_ID = /^[0-9a-f]{8}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{12}$/u;

async function readProjectConfig(projectPath: string): Promise<Record<string, unknown>> {
  return JSON.parse(await readFile(path.join(projectPath, '.makelore', 'project.json'), 'utf8')) as Record<string, unknown>;
}

async function selectProgrammingProjectFolder(
  app: Parameters<typeof closeElectronApp>[0],
  projectPath: string,
) {
  await app.evaluate(({ ipcMain }, selectedPath) => {
    ipcMain.removeHandler('dialog:open');
    ipcMain.handle('dialog:open', async () => ({ canceled: false, filePaths: [selectedPath] }));
  }, projectPath);
  const page = await getStableWindow(app);
  await expect(page.getByTestId('ai-module-selection-page')).toBeVisible();
  await page.getByTestId('ai-module-option-programming').click();
  await expect(page.getByTestId('main-layout')).toBeVisible();
  return page;
}

test.describe('Coding project identity UX', () => {
  test('keeps the service identity automatic and invisible to young users', async ({ launchElectronApp }) => {
    const projectPath = await mkdtemp(path.join(tmpdir(), 'makelore-identity-e2e-'));
    const app = await launchElectronApp({ skipSetup: true });

    try {
      const page = await selectProgrammingProjectFolder(app, projectPath);
      await page.getByTestId('sidebar-create-project').click();
      const createDialog = page.getByRole('dialog', { name: '新建项目' });

      await expect(createDialog.getByText(/项目 ID|项目身份|独立副本/u)).toHaveCount(0);
      await expect(createDialog.getByRole('radio', { name: '创建新的项目 ID' })).toHaveCount(0);
      await expect(createDialog.getByRole('radio', { name: '绑定已有项目 ID' })).toHaveCount(0);
      await createDialog.getByRole('button', { name: '选择路径' }).click();
      await expect(createDialog.getByLabel('项目路径')).toHaveValue(projectPath);
      await createDialog.getByRole('button', { name: '确认创建' }).click();

      await expect(page.getByTestId('coding-chat-empty-agent')).toBeVisible();
      const createdConfig = await readProjectConfig(projectPath);
      const generatedProjectId = String(createdConfig.projectId);
      expect(generatedProjectId).toMatch(CANONICAL_PROJECT_ID);

      await page.getByRole('button', { name: '创建项目智能体' }).click();
      await expect(page.getByTestId('project-configuration-page')).toBeVisible();
      await expect(page.getByTestId('project-identity-card')).toHaveCount(0);
      await expect(page.getByTestId('legacy-project-identity-card')).toHaveCount(0);
      await expect(page.getByTestId('independent-copy-button')).toHaveCount(0);
      await expect(page.getByText(/项目 ID|项目身份|独立副本/u)).toHaveCount(0);

      const legacyConfig = await readProjectConfig(projectPath);
      delete legacyConfig.projectId;
      await writeFile(
        path.join(projectPath, '.makelore', 'project.json'),
        JSON.stringify(legacyConfig, null, 2),
      );
      await page.reload();

      await expect(page.getByTestId('project-configuration-page')).toBeVisible();
      const repairedConfig = await readProjectConfig(projectPath);
      const repairedProjectId = String(repairedConfig.projectId);
      expect(repairedProjectId).toMatch(CANONICAL_PROJECT_ID);
      expect(repairedProjectId).not.toBe(generatedProjectId);
      await expect(page.getByTestId('project-identity-card')).toHaveCount(0);
      await expect(page.getByTestId('legacy-project-identity-card')).toHaveCount(0);
      await expect(page.getByText(/项目 ID|项目身份|独立副本/u)).toHaveCount(0);
    } finally {
      await closeElectronApp(app);
      await rm(projectPath, { recursive: true, force: true });
    }
  });
});