import { test, expect } from '@playwright/test';
import { _electron as electron } from 'playwright';
import { promises as fs } from 'node:fs';
import nodePath from 'node:path';
import os from 'node:os';

const MAIN_JS = nodePath.join(process.cwd(), 'dist-electron/main/index.js');
const PNG_B64 = 'iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mNkYAAAAAYAAjCB0C8AAAAASUVORK5CYII=';

async function launch(userData: string) {
  const app = await electron.launch({ args: ['--user-data-dir=' + userData, MAIN_JS] });
  const page = await app.firstWindow();
  await page.waitForLoadState('domcontentloaded');
  const invoke = (ch: string, args: any) => page.evaluate(({ ch, args }) => (globalThis as any).dsh.invoke(ch, args), { ch, args });
  return { app, page, invoke };
}

async function newDoc(a: { page: any; invoke: any }, title: string) {
  await a.page.getByRole('button', { name: /新建文档/ }).click();
  await a.page.getByPlaceholder(/输入文档标题/).fill(title);
  await a.page.getByPlaceholder(/输入文档标题/).press('Enter');
  await expect(a.page.getByTestId('tabbar').getByText(title, { exact: true })).toBeVisible({ timeout: 10000 });
}

test('FR-E6：链接气泡编辑（添加+移除）', async () => {
  const tmp = await fs.mkdtemp(nodePath.join(os.tmpdir(), 'hn-e6-link-'));
  const userData = nodePath.join(tmp, 'userdata');
  const vault = nodePath.join(tmp, 'vault');
  await fs.mkdir(userData, { recursive: true });
  await fs.mkdir(vault, { recursive: true });

  const a = await launch(userData);
  await a.invoke('vault:switch', { root: vault });
  await newDoc(a, '链接测试');

  const editor = a.page.locator('.ProseMirror');
  await editor.click();
  await a.page.keyboard.type('点这里');
  await a.page.keyboard.press('Control+A');
  await a.page.locator('button[title="链接"]').click();

  const dlg = a.page.getByPlaceholder(/example\.com/);
  await dlg.fill('https://example.com');
  await dlg.press('Enter');

  let html: string = await a.page.evaluate(() => document.querySelector('.ProseMirror')?.innerHTML ?? '');
  expect(html).toContain('href="https://example.com"');

  await a.page.locator('.ProseMirror a').click();
  await expect(a.page.locator('.link-bubble')).toBeVisible({ timeout: 5000 });
  await expect(a.page.locator('.link-bubble input')).toHaveValue('https://example.com');

  await a.page.locator('.link-bubble').getByText('移除').click();
  html = await a.page.evaluate(() => document.querySelector('.ProseMirror')?.innerHTML ?? '');
  expect(html).not.toContain('<a');
  expect(html).not.toContain('href');

  await a.app.close();
});

test('FR-E6：网络图片（手输网址）', async () => {
  const tmp = await fs.mkdtemp(nodePath.join(os.tmpdir(), 'hn-e6-url-'));
  const userData = nodePath.join(tmp, 'userdata');
  const vault = nodePath.join(tmp, 'vault');
  await fs.mkdir(userData, { recursive: true });
  await fs.mkdir(vault, { recursive: true });

  const a = await launch(userData);
  await a.invoke('vault:switch', { root: vault });
  await newDoc(a, '网图测试');

  await a.page.locator('.ProseMirror').click();
  await a.page.locator('button[title="网络图片（手输网址）"]').click();
  const dlg = a.page.getByPlaceholder(/粘贴图片地址/);
  await dlg.fill('https://cdn.example.com/x.png');
  await dlg.press('Enter');

  await expect(a.page.locator('.ProseMirror img')).toHaveCount(1, { timeout: 10000 });
  const src = await a.page.locator('.ProseMirror img').getAttribute('src');
  expect(src).toBe('https://cdn.example.com/x.png');

  await a.app.close();
});

test('FR-E6：本地图片入库+展示（vaultasset 协议）', async () => {
  const tmp = await fs.mkdtemp(nodePath.join(os.tmpdir(), 'hn-e6-local-'));
  const userData = nodePath.join(tmp, 'userdata');
  const vault = nodePath.join(tmp, 'vault');
  await fs.mkdir(userData, { recursive: true });
  await fs.mkdir(vault, { recursive: true });

  const a = await launch(userData);
  await a.invoke('vault:switch', { root: vault });

  const rel: string = await a.invoke('asset:write', { name: 't.png', dataBase64: PNG_B64 });
  expect(rel.startsWith('.attachments/')).toBeTruthy();

  // 磁盘文件确实写入
  const disk = await fs.readFile(nodePath.join(vault, rel));
  expect(disk.length).toBeGreaterThan(0);

  await newDoc(a, 'doca');
  await newDoc(a, 'docb');
  await a.invoke('doc:write', { path: 'doca.md', meta: { title: 'doca' }, body: '![](' + rel + ')' });

  await a.page.getByTestId('filetree').getByText('doca', { exact: true }).click();
  await expect(a.page.locator('.ProseMirror img')).toHaveCount(1, { timeout: 10000 });

  const src = await a.page.locator('.ProseMirror img').getAttribute('src');
  expect(src?.startsWith('vaultasset:')).toBeTruthy();

  await expect.poll(
    () => a.page.locator('.ProseMirror img').evaluate((el: HTMLImageElement) => el.naturalWidth),
    { timeout: 8000 },
  ).toBeGreaterThan(0);

  await a.app.close();
});