import sharp from 'sharp';
import {
  closeElectronApp,
  expect,
  getStableWindow,
  test,
} from './fixtures/electron';

test.describe('OpenCode image compression composer', () => {
  test('preprocesses a 4K image and lets the user switch variants', async ({
    launchElectronApp,
  }) => {
    const app = await launchElectronApp({ skipSetup: true });
    try {
      await app.evaluate(async () => {
        const { ipcMain } = process.mainModule!.require('electron') as typeof import('electron');
        const activeProject = {
          id: 'prj_e2e_compression',
          path: 'D:/e2e/image-compression',
          name: 'image-compression',
          createdAt: '2026-07-18T00:00:00.000Z',
          updatedAt: '2026-07-18T00:00:00.000Z',
          lastOpenedAt: '2026-07-18T00:00:00.000Z',
        };
        const respond = (json: unknown, status = 200) => ({
          ok: true,
          data: {
            status,
            ok: status >= 200 && status < 300,
            json,
          },
        });
        ipcMain.removeHandler('hostapi:fetch');
        ipcMain.handle('hostapi:fetch', async (
          _event: unknown,
          request: { path?: string; method?: string },
        ) => {
          const path = request.path ?? '';
          const method = request.method ?? 'GET';
          if (path === '/api/opencode/status') {
            return respond({
              state: 'running',
              port: 4096,
              url: 'http://127.0.0.1:4096',
            });
          }
          if (path.startsWith('/api/opencode/projects')) {
            return respond({ projects: [activeProject], activeProject });
          }
          if (path === '/api/opencode/config-summary') {
            return respond({
              model: 'niancode-user-models/qwen3.7-plus',
              smallModel: null,
              providerIds: ['niancode-user-models'],
              providerCount: 1,
            });
          }
          if (path === '/api/opencode/sessions') {
            return respond({
              sessions: [{
                id: 'ses_e2e_compression',
                title: 'Image compression',
                updatedAt: '2026-07-18T00:00:00.000Z',
              }],
            });
          }
          if (path === '/api/opencode/sessions/status') {
            return respond({
              statuses: { ses_e2e_compression: { type: 'idle' } },
            });
          }
          if (
            path === '/api/opencode/sessions/ses_e2e_compression/messages'
            && method === 'GET'
          ) {
            return respond({ messages: [] });
          }
          if (path.endsWith('/todos')) return respond({ todos: [] });
          if (path === '/api/provider-accounts') return respond([]);
          if (path === '/api/provider-accounts/key-info') return respond([]);
          if (path === '/api/provider-vendors') return respond([]);
          if (path === '/api/provider-accounts/default') {
            return respond({ accountId: null });
          }
          return respond({});
        });
      });

      const page = await getStableWindow(app);
      await page.reload();
      await expect(page.getByTestId('sidebar-nav-agent-chat')).toBeVisible();
      await page.getByTestId('sidebar-nav-agent-chat').click();
      await expect(page.getByTestId('opencode-message-composer')).toBeVisible();

      const png = await sharp({
        create: {
          width: 3840,
          height: 2160,
          channels: 4,
          background: { r: 64, g: 210, b: 200, alpha: 1 },
        },
      }).png().toBuffer();
      await page.getByTestId('opencode-file-attachment-input').setInputFiles({
        name: 'four-k.png',
        mimeType: 'image/png',
        buffer: png,
      });

      const card = page.getByTestId('opencode-composer-attachment');
      await expect(card).toContainText('3840×2160');
      await expect(card).toContainText('1930×1086');
      await expect(page.getByTestId('opencode-attachment-use-compressed'))
        .toHaveAttribute('aria-pressed', 'true');
      await expect(page.getByTestId('opencode-attachment-token-estimate'))
        .toContainText('约2049 Token');

      await page.getByTestId('opencode-attachment-use-original').click();
      await expect(page.getByTestId('opencode-attachment-use-original'))
        .toHaveAttribute('aria-pressed', 'true');
      await expect(page.getByTestId('opencode-attachment-token-estimate'))
        .toContainText('约8102 Token');

      await page.getByTestId('opencode-attachment-use-compressed').click();
      await expect(page.getByTestId('opencode-attachment-use-compressed'))
        .toHaveAttribute('aria-pressed', 'true');
      await page.getByRole('button', { name: '移除附件 four-k.png' }).click();
      await expect(card).toHaveCount(0);
    } finally {
      await closeElectronApp(app);
    }
  });
});