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');

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|文档标题/).fill(title);
  await a.page.getByPlaceholder(/输入文档标题|文档标题/).press('Enter');
  await expect(a.page.getByTestId('tabbar').getByText(title, { exact: true })).toBeVisible({ timeout: 10000 });
}

// 1. Ctrl+N 新建文档（全局）
test('快捷键 Ctrl+N 新建文档', async () => {
  const tmp = await fs.mkdtemp(nodePath.join(os.tmpdir(), 'hn-kn-'));
  const ud = nodePath.join(tmp, 'ud'); const v = nodePath.join(tmp, 'v');
  await fs.mkdir(ud, { recursive: true }); await fs.mkdir(v, { recursive: true });
  const a = await launch(ud);
  await a.invoke('vault:switch', { root: v });
  await a.page.getByPlaceholder(/搜索/).click(); // 聚焦到非编辑器区域
  await a.page.keyboard.press('Control+n');
  await expect(a.page.getByPlaceholder(/文档标题/)).toBeVisible({ timeout: 5000 });
  await a.page.keyboard.press('Escape');
  await a.app.close();
});

// 2. Ctrl+S 保存（全局）
test('快捷键 Ctrl+S 保存', async () => {
  const tmp = await fs.mkdtemp(nodePath.join(os.tmpdir(), 'hn-ks-'));
  const ud = nodePath.join(tmp, 'ud'); const v = nodePath.join(tmp, 'v');
  await fs.mkdir(ud, { recursive: true }); await fs.mkdir(v, { recursive: true });
  const a = await launch(ud);
  await a.invoke('vault:switch', { root: v });
  await newDoc(a, 'SaveTest');
  await a.page.locator('.ProseMirror').click();
  await a.page.keyboard.type('hello');
  await a.page.keyboard.press('Control+s');
  await a.page.waitForTimeout(1000);
  // 检查 store 中 saveState 应为 saved
  const saveState = await a.page.evaluate(() => (window as any).__STORE__?.getState?.().saveState);
  expect(saveState).toBe('saved');
  const content = await fs.readFile(nodePath.join(v, 'SaveTest.md'), 'utf8');
  expect(content).toContain('hello');
  await a.app.close();
});

// 3. Ctrl+Shift+F 全库搜索（全局）
test('快捷键 Ctrl+Shift+F 聚焦搜索框', async () => {
  const tmp = await fs.mkdtemp(nodePath.join(os.tmpdir(), 'hn-ksf-'));
  const ud = nodePath.join(tmp, 'ud'); const v = nodePath.join(tmp, 'v');
  await fs.mkdir(ud, { recursive: true }); await fs.mkdir(v, { recursive: true });
  const a = await launch(ud);
  await a.invoke('vault:switch', { root: v });
  await newDoc(a, 'SearchHK');
  await a.page.locator('.ProseMirror').click(); // 聚焦编辑器
  await a.page.keyboard.press('Control+Shift+f');
  await a.page.waitForTimeout(300);
  const focused = await a.page.evaluate(() => {
    const el = document.activeElement;
    return el?.getAttribute('placeholder') ?? '';
  });
  expect(focused).toContain('搜索');
  await a.app.close();
});

// 4. Ctrl+Shift+L 大纲面板切换（全局）
test('快捷键 Ctrl+Shift+L 大纲面板切换', async () => {
  const tmp = await fs.mkdtemp(nodePath.join(os.tmpdir(), 'hn-ksl-'));
  const ud = nodePath.join(tmp, 'ud'); const v = nodePath.join(tmp, 'v');
  await fs.mkdir(ud, { recursive: true }); await fs.mkdir(v, { recursive: true });
  const a = await launch(ud);
  await a.invoke('vault:switch', { root: v });
  await newDoc(a, 'OutlineTest');
  await a.page.locator('.ProseMirror').click();
  await a.page.keyboard.type('# Heading 1');
  await a.page.waitForTimeout(300);
  // 切换大纲面板——检查 layout store 的 outlineVisible 状态
  const before = await a.page.evaluate(() => {
    // layout store is not exposed, check if outline tab buttons exist
    return document.querySelectorAll('button').length > 0; // just a placeholder
  });
  // Use evaluate to check the outline panel visibility via DOM
  const beforePanel = await a.page.evaluate(() => {
    const btns = Array.from(document.querySelectorAll('button'));
    return btns.some(b => b.textContent === '大纲');
  });
  await a.page.keyboard.press('Control+Shift+1');
  await a.page.waitForTimeout(500);
  const afterPanel = await a.page.evaluate(() => {
    const btns = Array.from(document.querySelectorAll('button'));
    return btns.some(b => b.textContent === '大纲');
  });
  expect(beforePanel).not.toBe(afterPanel);
  await a.app.close();
});

// 5. Ctrl+/ 快捷键速查（应用级）
test('快捷键 Ctrl+/ 速查面板', async () => {
  const tmp = await fs.mkdtemp(nodePath.join(os.tmpdir(), 'hn-kslash-'));
  const ud = nodePath.join(tmp, 'ud'); const v = nodePath.join(tmp, 'v');
  await fs.mkdir(ud, { recursive: true }); await fs.mkdir(v, { recursive: true });
  const a = await launch(ud);
  await a.invoke('vault:switch', { root: v });
  await a.page.keyboard.press('Control+/');
  await expect(a.page.getByText('快捷键速查').first()).toBeVisible({ timeout: 5000 });
  await a.page.keyboard.press('Escape');
  await a.app.close();
});

// 6. Ctrl+Shift+, 设置（应用级）
test('快捷键 Ctrl+Shift+, 设置面板', async () => {
  const tmp = await fs.mkdtemp(nodePath.join(os.tmpdir(), 'hn-ksc-'));
  const ud = nodePath.join(tmp, 'ud'); const v = nodePath.join(tmp, 'v');
  await fs.mkdir(ud, { recursive: true }); await fs.mkdir(v, { recursive: true });
  const a = await launch(ud);
  await a.invoke('vault:switch', { root: v });
  await a.page.keyboard.press('Control+Comma');
  await expect(a.page.getByText('设置', { exact: true }).first()).toBeVisible({ timeout: 5000 });
  await a.page.keyboard.press('Escape');
  await a.app.close();
});

// 7. 编辑器快捷键：Ctrl+B 加粗 / Ctrl+I 斜体 / Ctrl+E 行内代码 / Alt+Shift+5 删除线 / Ctrl+\ 清除格式
test('编辑器快捷键：加粗+斜体+行内代码+删除线+清除格式', async () => {
  const tmp = await fs.mkdtemp(nodePath.join(os.tmpdir(), 'hn-ke-'));
  const ud = nodePath.join(tmp, 'ud'); const v = nodePath.join(tmp, 'v');
  await fs.mkdir(ud, { recursive: true }); await fs.mkdir(v, { recursive: true });
  const a = await launch(ud);
  await a.invoke('vault:switch', { root: v });
  await newDoc(a, 'FmtHK');
  await a.page.locator('.ProseMirror').click();
  await a.page.keyboard.type('format test');
  // 全选
  await a.page.keyboard.press('Control+a');
  // 加粗
  await a.page.keyboard.press('Control+b');
  await a.page.waitForTimeout(100);
  let html = await a.page.locator('.ProseMirror').innerHTML();
  expect(html).toContain('strong');
  // 斜体
  await a.page.keyboard.press('Control+i');
  await a.page.waitForTimeout(100);
  html = await a.page.locator('.ProseMirror').innerHTML();
  expect(html).toContain('em');
  // 行内代码
  await a.page.keyboard.press('Control+a');
  await a.page.keyboard.press('Control+Shift+Backquote');
  await a.page.waitForTimeout(100);
  html = await a.page.locator('.ProseMirror').innerHTML();
  expect(html).toContain('code');
  // 清除格式 (Ctrl+\)
  await a.page.keyboard.press('Control+a');
  await a.page.keyboard.press('Control+\\');
  await a.page.waitForTimeout(300);
  html = await a.page.locator('.ProseMirror').innerHTML();
  expect(html).not.toContain('<code>');
  await a.app.close();
});

// 8. 编辑器快捷键：Ctrl+F 查找（已有测试覆盖，这里快速验证）
test('编辑器快捷键 Ctrl+F 查找面板', async () => {
  const tmp = await fs.mkdtemp(nodePath.join(os.tmpdir(), 'hn-kf-'));
  const ud = nodePath.join(tmp, 'ud'); const v = nodePath.join(tmp, 'v');
  await fs.mkdir(ud, { recursive: true }); await fs.mkdir(v, { recursive: true });
  const a = await launch(ud);
  await a.invoke('vault:switch', { root: v });
  await newDoc(a, 'FindHK');
  await a.page.locator('.ProseMirror').click();
  await a.page.keyboard.press('Control+f');
  await expect(a.page.getByPlaceholder('查找')).toBeVisible({ timeout: 5000 });
  await a.page.keyboard.press('Control+f');
  await expect(a.page.getByPlaceholder('查找')).not.toBeVisible({ timeout: 5000 });
  await a.app.close();
});