import wx
import os
import time
from selenium import webdriver
from selenium.webdriver.chrome.options import Options
from selenium.webdriver.chrome.service import Service
from webdriver_manager.chrome import ChromeDriverManager
import base64
from urllib.parse import urlparse
import threading
 
class ScreenshotApp(wx.Frame):
    def __init__(self, parent, title):
        super(ScreenshotApp, self).__init__(parent, title=title, size=(600, 300))
        self.InitUI()
        self.Centre()
        self.Show()
 
    def InitUI(self):
        panel = wx.Panel(self)
        vbox = wx.BoxSizer(wx.VERTICAL)
 
        # URL輸入?yún)^(qū)域
        url_box = wx.BoxSizer(wx.HORIZONTAL)
        url_label = wx.StaticText(panel, label="網(wǎng)頁URL:")
        self.url_text = wx.TextCtrl(panel, size=(400, -1))
        url_box.Add(url_label, flag=wx.RIGHT | wx.ALIGN_CENTER_VERTICAL, border=8)
        url_box.Add(self.url_text, proportion=1)
 
        # 保存路徑區(qū)域
        path_box = wx.BoxSizer(wx.HORIZONTAL)
        path_label = wx.StaticText(panel, label="保存路徑:")
        self.path_text = wx.TextCtrl(panel, size=(300, -1))
        browse_button = wx.Button(panel, label="瀏覽...")
        path_box.Add(path_label, flag=wx.RIGHT | wx.ALIGN_CENTER_VERTICAL, border=8)
        path_box.Add(self.path_text, proportion=1, flag=wx.RIGHT, border=5)
        path_box.Add(browse_button)
 
        # 截圖按鈕
        screenshot_button = wx.Button(panel, label="截取網(wǎng)頁")
 
        # 進(jìn)度條
        self.progress_bar = wx.Gauge(panel, range=100, size=(400, 20))
        self.progress_bar.SetValue(0)
 
        # 狀態(tài)顯示區(qū)域
        self.status_text = wx.StaticText(panel, label="")
 
        # 添加到垂直布局
        vbox.Add((-1, 20))
        vbox.Add(url_box, flag=wx.EXPAND | wx.LEFT | wx.RIGHT, border=10)
        vbox.Add((-1, 20))
        vbox.Add(path_box, flag=wx.EXPAND | wx.LEFT | wx.RIGHT, border=10)
        vbox.Add((-1, 30))
        vbox.Add(screenshot_button, flag=wx.ALIGN_CENTER)
        vbox.Add((-1, 20))
        vbox.Add(self.progress_bar, flag=wx.EXPAND | wx.LEFT | wx.RIGHT, border=10)
        vbox.Add((-1, 10))
        vbox.Add(self.status_text, flag=wx.ALIGN_CENTER)
 
        # 綁定事件
        browse_button.Bind(wx.EVT_BUTTON, self.OnBrowse)
        screenshot_button.Bind(wx.EVT_BUTTON, self.OnScreenshot)
 
        # 設(shè)置默認(rèn)保存路徑為用戶的圖片文件夾
        default_path = os.path.join(os.path.expanduser("~"), "Pictures")
        self.path_text.SetValue(default_path)
 
        panel.SetSizer(vbox)
 
    def OnBrowse(self, event):
        dialog = wx.DirDialog(self, "選擇保存截圖的文件夾", style=wx.DD_DEFAULT_STYLE)
        if dialog.ShowModal() == wx.ID_OK:
            self.path_text.SetValue(dialog.GetPath())
        dialog.Destroy()
 
    def OnScreenshot(self, event):
        url = self.url_text.GetValue().strip()
        save_path = self.path_text.GetValue().strip()
 
        # 驗證URL
        if not url:
            wx.MessageBox("請輸入有效的URL", "錯誤", wx.OK | wx.ICON_ERROR)
            return
 
        # 如果URL沒有http前綴，添加https://
        if not url.startswith(('http://', 'https://')):
            url = 'https://' + url
            self.url_text.SetValue(url)
 
        # 驗證保存路徑
        if not os.path.exists(save_path):
            try:
                os.makedirs(save_path)
            except Exception as e:
                wx.MessageBox(f"創(chuàng)建保存路徑失敗: {str(e)}", "錯誤", wx.OK | wx.ICON_ERROR)
                return
 
        self.status_text.SetLabel("正在加載網(wǎng)頁并滾動，請稍候...")
        self.progress_bar.SetValue(0)
        self.Layout()
 
        # 使用線程避免界面凍結(jié)
        thread = threading.Thread(target=self.take_screenshot, args=(url, save_path))
        thread.daemon = True
        thread.start()
 
    def scroll_page(self, driver):
        """滾動頁面以觸發(fā)所有懶加載內(nèi)容，顯示滾動效果"""
        total_height = driver.execute_script("return document.body.scrollHeight")
        viewport_height = driver.execute_script("return window.innerHeight")
        steps = max(1, total_height // viewport_height)  # 計算滾動步數(shù)
        step_height = total_height / steps
 
        for i in range(steps + 1):
            scroll_position = int(i * step_height)
            driver.execute_script(f"window.scrollTo({{top: {scroll_position}, behavior: 'smooth'}});")
            wx.CallAfter(self.progress_bar.SetValue, int((i + 1) / (steps + 1) * 100))
            time.sleep(0.5)  # 等待平滑滾動和內(nèi)容加載
        time.sleep(1)  # 確保所有內(nèi)容加載完成
 
    def take_screenshot(self, url, save_path):
        try:
            # 設(shè)置Chrome選項，移除無頭模式以顯示瀏覽器
            chrome_options = Options()
            chrome_options.add_argument("--disable-gpu")
            chrome_options.add_argument("--disable-infobars")
            chrome_options.add_argument("--disable-extensions")
            chrome_options.add_argument("--window-size=1920,1080")  # 設(shè)置初始窗口大小
 
            # 啟動瀏覽器
            service = Service(ChromeDriverManager().install())
            driver = webdriver.Chrome(service=service, options=chrome_options)
 
            # 訪問網(wǎng)頁
            driver.get(url)
            time.sleep(3)  # 等待頁面初始加載
 
            # 滾動頁面以觸發(fā)懶加載內(nèi)容
            self.scroll_page(driver)
 
            # 獲取域名和時間戳
            domain = urlparse(url).netloc or "webpage"
            timestamp = time.strftime("%Y%m%d_%H%M%S")
 
            # 使用CDP方法獲取完整頁面截圖
            result = driver.execute_cdp_cmd('Page.captureScreenshot', 
                                            {'format': 'png', 'captureBeyondViewport': True})
            image_data = base64.b64decode(result['data'])
            save_file = os.path.join(save_path, f"{domain}_{timestamp}.png")
            with open(save_file, 'wb') as f:
                f.write(image_data)
 
            driver.quit()
            wx.CallAfter(self.screenshot_complete, save_file)
 
        except Exception as e:
            if 'driver' in locals():
                driver.quit()
            wx.CallAfter(self.screenshot_error, str(e))
 
    def screenshot_complete(self, filepath):
        self.status_text.SetLabel(f"截圖已保存至: {filepath}")
        self.progress_bar.SetValue(100)
        wx.MessageBox(f"截圖已保存至:\n{filepath}", "成功", wx.OK | wx.ICON_INFORMATION)
 
    def screenshot_error(self, error_msg):
        self.status_text.SetLabel(f"截圖失敗: {error_msg}")
        self.progress_bar.SetValue(0)
        wx.MessageBox(f"截圖失敗: {error_msg}", "錯誤", wx.OK | wx.ICON_ERROR)
 
if __name__ == '__main__':
    app = wx.App()
    ScreenshotApp(None, title='網(wǎng)頁截圖工具')
    app.MainLoop()