# UI 测试具体实现 (使用 Playwright)
import asyncio
from playwright.async_api import Playwright, async_playwright, expect
import os
import datetime

async def execute_ui_test_case(test_case_id: str, url_path: str, browser_type: str, headless: bool, user_data: dict):
    """
    实际执行UI测试的函数。
    这里使用 Playwright，你也可以替换成 Selenium。
    """
    base_url = "https://playwright.dev" # 假设 UI 测试的基地址
    full_url = f"{base_url}{url_path}"

    log_output = []
    success = False
    screenshot_path = None
    html_report_path = None # Playwright 默认生成HTML报告，通常在测试结束后生成

    log_output.append(f"Executing UI test: {test_case_id} - {full_url} with {browser_type}")

    try:
        async with async_playwright() as p:
            browser = None
            if browser_type == "chromium":
                browser = await p.chromium.launch(headless=headless)
            elif browser_type == "firefox":
                browser = await p.firefox.launch(headless=headless)
            elif browser_type == "webkit":
                browser = await p.webkit.launch(headless=headless)
            else:
                raise ValueError(f"Unsupported browser type: {browser_type}")

            page = await browser.new_page()

            # 模拟登录（如果需要）
            if user_data:
                log_output.append(f"Attempting to log in with user: {user_data.get('user')}")
                # 假设有一个登录页面
                await page.goto(f"{base_url}/login")
                await page.fill('input[name="username"]', user_data.get('user', ''))
                await page.fill('input[name="password"]', user_data.get('pass', ''))
                await page.click('button[type="submit"]')
                await page.wait_for_url(full_url) # 等待跳转到目标页面

            await page.goto(full_url)
            log_output.append(f"Navigated to: {full_url}")

            # 示例UI操作和断言
            # 查找一个元素并验证其文本
            element = page.locator("text=Playwright enables reliable end-to-end testing for modern web apps.")
            await expect(element).to_be_visible()
            log_output.append("Found expected text on page.")

            # 点击一个链接
            await page.click("text=Docs")
            await page.wait_for_url("**/docs/intro")
            log_output.append("Clicked 'Docs' link and navigated.")

            success = True
            log_output.append("UI Test PASSED.")

    except Exception as e:
        log_output.append(f"UI Test FAILED (Exception): {e}")
        success = False
    finally:
        if page:
            timestamp = datetime.datetime.now().strftime("%Y%m%d%H%M%S")
            screenshot_filename = f"screenshot_{test_case_id}_{timestamp}.png"
            screenshot_path = os.path.join("/tmp", screenshot_filename) # 临时保存路径
            await page.screenshot(path=screenshot_path)
            log_output.append(f"Screenshot saved to: {screenshot_path}")
        if browser:
            await browser.close()

    return success, "\n".join(log_output), screenshot_path, html_report_path # html_report_path 留空，因为Playwright通常在测试套件结束后生成

# 辅助函数，模拟对象存储上传
async def upload_file_to_s3(local_path: str, remote_path: str) -> str:
    """
    模拟将文件上传到S3（或任何对象存储）并返回可访问URL。
    在实际项目中，这里会调用 AWS SDK, MinIO SDK 等。
    """
    # 模拟上传延迟
    await asyncio.sleep(0.1)
    print(f"Mock Uploaded {local_path} to S3 bucket/path: {remote_path}")
    # 返回一个模拟的URL
    return f"https://your-s3-bucket.com/{remote_path}"