app.py

import requests
from bs4 import BeautifulSoup
import os
import urllib.request
import json
import time
import random
import tkinter as tk
from tkinter import ttk, messagebox, filedialog
import shutil
import threading

# Hàm lấy gợi ý tìm kiếm từ Google
def get_google_suggestions(query):
    url = f"http://suggestqueries.google.com/complete/search?client=firefox&q={query}"
    headers = {"User-Agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/58.0.3029.110 Safari/537.3"}
    try:
        response = requests.get(url, headers=headers, timeout=5)
        return json.loads(response.text)[1]
    except:
        return []

# Hàm tải ảnh
def download_images(search_term, num_images_per_term, save_folder, status_callback):
    if not os.path.exists(save_folder):
        os.makedirs(save_folder)
    
    search_url = f"https://www.google.com/search?q={search_term}+free&tbm=isch"
    headers = {"User-Agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/58.0.3029.110 Safari/537.3"}
    
    try:
        response = requests.get(search_url, headers=headers, timeout=10)
        response.raise_for_status()
    except:
        status_callback(f"Lỗi truy cập {search_term}")
        return 0

    soup = BeautifulSoup(response.text, 'html.parser')
    img_tags = soup.find_all('img')
    
    count = 0
    for i, img in enumerate(img_tags):
        if count >= num_images_per_term:
            break
        try:
            img_url = img.get('src')
            if img_url and img_url.startswith('http'):
                file_name = f"{save_folder}/{search_term.replace(' ', '_')}_{count}.jpg"
                urllib.request.urlretrieve(img_url, file_name)
                status_callback(f"Đã tải: {file_name}")
                count += 1
                time.sleep(random.uniform(1, 3))
        except Exception as e:
            status_callback(f"Lỗi ảnh {i} ({search_term}): {str(e)}")
            continue
    
    return count

# Hàm nén thư mục thành file zip
def zip_folder(folder_path, output_zip):
    try:
        shutil.make_archive(output_zip, 'zip', folder_path)
        return True
    except Exception as e:
        return str(e)

# Hàm chính tải ảnh
def start_download(initial_query, target_images, save_folder, max_per_term, status_text):
    def download_thread():
        total_downloaded = 0
        current_query = initial_query
        used_queries = set()
        
        while total_downloaded < target_images:
            suggestions = get_google_suggestions(current_query)
            if not suggestions:
                status_text(f"Hết gợi ý, dừng lại.")
                break
            
            available_suggestions = [s for s in suggestions if s not in used_queries]
            if not available_suggestions:
                status_text("Hết gợi ý mới, dừng lại.")
                break
            
            current_query = random.choice(available_suggestions)
            used_queries.add(current_query)
            
            remaining = target_images - total_downloaded
            images_to_download = min(max_per_term, remaining)
            
            status_text(f"Tìm kiếm: {current_query}")
            downloaded = download_images(current_query, images_to_download, save_folder, status_text)
            total_downloaded += downloaded
            
            status_text(f"Tổng: {total_downloaded}/{target_images}")
            time.sleep(random.uniform(2, 5))
        
        status_text(f"Hoàn tất! Đã tải {total_downloaded} ảnh.")
        
        # Nén thư mục
        status_text("Đang nén thư mục...")
        zip_result = zip_folder(save_folder, os.path.join(os.path.dirname(save_folder), "downloaded_images"))
        if zip_result is True:
            status_text("Đã nén thành công: downloaded_images.zip")
        else:
            status_text(f"Lỗi khi nén: {zip_result}")
    
    thread = threading.Thread(target=download_thread)
    thread.start()

# Giao diện GUI
class ImageDownloaderApp:
    def __init__(self, root):
        self.root = root
        self.root.title("Image Downloader")
        self.root.geometry("600x500")
        
        # Nhãn và ô nhập từ khóa
        tk.Label(root, text="Từ khóa ban đầu:").pack(pady=5)
        self.query_entry = tk.Entry(root, width=40)
        self.query_entry.insert(0, "free images")
        self.query_entry.pack()
        
        # Số lượng ảnh mục tiêu
        tk.Label(root, text="Số lượng ảnh cần tải:").pack(pady=5)
        self.target_entry = tk.Entry(root, width=10)
        self.target_entry.insert(0, "10000")
        self.target_entry.pack()
        
        # Số ảnh tối đa mỗi từ khóa
        tk.Label(root, text="Số ảnh tối đa mỗi từ khóa:").pack(pady=5)
        self.max_per_term_entry = tk.Entry(root, width=10)
        self.max_per_term_entry.insert(0, "20")
        self.max_per_term_entry.pack()
        
        # Thư mục lưu
        tk.Label(root, text="Thư mục lưu:").pack(pady=5)
        self.folder_var = tk.StringVar(value="free_images")
        folder_frame = tk.Frame(root)
        folder_frame.pack()
        tk.Entry(folder_frame, textvariable=self.folder_var, width=30).pack(side=tk.LEFT)
        tk.Button(folder_frame, text="Chọn", command=self.choose_folder).pack(side=tk.LEFT, padx=5)
        
        # Nút bắt đầu
        self.start_button = tk.Button(root, text="Bắt đầu tải", command=self.start_download)
        self.start_button.pack(pady=10)
        
        # Khu vực hiển thị trạng thái
        tk.Label(root, text="Trạng thái:").pack(pady=5)
        self.status_text = tk.Text(root, height=15, width=70)
        self.status_text.pack()
        
    def choose_folder(self):
        folder = filedialog.askdirectory()
        if folder:
            self.folder_var.set(folder)
    
    def update_status(self, message):
        self.status_text.insert(tk.END, f"{message}\n")
        self.status_text.see(tk.END)
        self.root.update_idletasks()
    
    def start_download(self):
        try:
            initial_query = self.query_entry.get()
            target_images = int(self.target_entry.get())
            max_per_term = int(self.max_per_term_entry.get())
            save_folder = self.folder_var.get()
            
            if not initial_query or target_images <= 0 or max_per_term <= 0 or not save_folder:
                messagebox.showerror("Lỗi", "Vui lòng nhập đầy đủ và hợp lệ các thông tin!")
                return
            
            self.start_button.config(state="disabled")
            self.status_text.delete(1.0, tk.END)
            start_download(initial_query, target_images, save_folder, max_per_term, self.update_status)
            
        except ValueError:
            messagebox.showerror("Lỗi", "Số lượng phải là số nguyên!")
        finally:
            self.start_button.config(state="normal")

# Chạy ứng dụng
if __name__ == "__main__":
    root = tk.Tk()
    app = ImageDownloaderApp(root)
    root.mainloop()