import time
import os
from urllib.parse import urljoin
from selenium import webdriver
from selenium.webdriver.common.by import By
from selenium.webdriver.chrome.service import Service
from selenium.webdriver.chrome.options import Options
from webdriver_manager.chrome import ChromeDriverManager
import yaml
from bs4 import BeautifulSoup
import markdownify

def scrape_cloudferro_docs(base_url):
    # Set up Brave options
    chrome_options = Options()
    # Specify Brave binary location
    chrome_options.binary_location = "/Applications/Brave Browser.app/Contents/MacOS/Brave Browser"
    chrome_options.add_argument("--headless")  # Run in headless mode
    
    # Initialize the WebDriver
    try:
        service = Service(ChromeDriverManager().install())
        driver = webdriver.Chrome(service=service, options=chrome_options)
    except Exception as e:
        print(f"Error initializing WebDriver: {e}")
        return
    
    # Create project directory
    project_dir = "cloudferro-docs"
    docs_dir = os.path.join(project_dir, "docs")
    os.makedirs(docs_dir, exist_ok=True)
    
    # Dictionary to store navigation structure
    nav_structure = {}
    visited_urls = set()
    
    def scrape_page(url, parent_path=""):
        if url in visited_urls:
            return
        visited_urls.add(url)
        
        print(f"Scraping: {url}")
        
        try:
            driver.get(url)
            time.sleep(2)  # Wait for page to load
        except Exception as e:
            print(f"Error loading {url}: {e}")
            return
        
        # Parse page content with BeautifulSoup
        soup = BeautifulSoup(driver.page_source, 'html.parser')
        
        # Extract main content (using the correct selector for CloudFerro docs)
        content = soup.select_one('.rst-content .document') or soup.select_one('.document')
        if not content:
            print(f"No content found at {url}")
            return
        
        # Convert HTML to Markdown
        md_content = markdownify.markdownify(str(content), heading_style="ATX")
        
        # Extract page title for file name and nav
        title = soup.select_one('h1') or soup.select_one('title')
        page_title = (title.text.strip() if title else url.split('/')[-1]).replace(' ', '_').lower()
        page_title = page_title.replace('/', '_').replace('?', '')
        
        # Create file path
        relative_path = os.path.join(parent_path, f"{page_title}.md")
        file_path = os.path.join(docs_dir, relative_path)
        os.makedirs(os.path.dirname(file_path), exist_ok=True)
        
        # Save Markdown content
        with open(file_path, 'w', encoding='utf-8') as f:
            f.write(md_content)
        
        print(f"Saved: {file_path}")
        
        # Update navigation structure
        nav_path = parent_path.split('/') if parent_path else []
        current_nav = nav_structure
        for part in nav_path:
            for item in current_nav:
                if isinstance(item, dict) and part in item:
                    current_nav = item[part]
                    break
        current_nav.append({page_title.replace('_', ' ').title(): relative_path})
        
        # Find and scrape linked pages (focusing on sidebar links)
        links = soup.select('.wy-menu-vertical li a')  # CloudFerro uses Read the Docs theme
        for link in links:
            href = link.get('href')
            if not href or href.startswith('#') or href.startswith('mailto:') or href.startswith('javascript:'):
                continue
            absolute_url = urljoin(base_url, href)
            if absolute_url.startswith(base_url) and absolute_url not in visited_urls:
                new_parent_path = os.path.join(parent_path, page_title) if 'current' in link.get('class', []) else parent_path
                scrape_page(absolute_url, new_parent_path)
    
    # Start scraping from the base URL
    try:
        scrape_page(base_url)
    except Exception as e:
        print(f"Error during scraping: {e}")
    finally:
        driver.quit()
    
    # Generate mkdocs.yml
    mkdocs_config = {
        'site_name': 'CloudFerro Documentation',
        'site_url': 'https://cloudferro-docs.readthedocs.io',
        'theme': {
            'name': 'material',
            'palette': {
                'primary': 'blue',
                'accent': 'blue'
            },
            'features': [
                'navigation.instant',
                'navigation.tracking',
                'navigation.tabs',
                'navigation.sections',
                'navigation.expand',
                'navigation.indexes',
                'toc.integrate',
                'content.code.copy'
            ]
        },
        'nav': convert_nav_structure(nav_structure),
        'markdown_extensions': [
            'admonition',
            'pymdownx.details',
            'pymdownx.superfences',
            'pymdownx.highlight',
            'pymdownx.inlinehilite',
            'toc',
            'tables'
        ]
    }
    
    with open(os.path.join(project_dir, 'mkdocs.yml'), 'w', encoding='utf-8') as f:
        yaml.dump(mkdocs_config, f, allow_unicode=True, sort_keys=False)
    
    # Create requirements.txt
    requirements = [
        "mkdocs>=1.5.0",
        "mkdocs-material>=9.6.0",
        "pymdown-extensions>=10.7",
    ]
    
    with open(os.path.join(project_dir, 'requirements.txt'), 'w', encoding='utf-8') as f:
        f.write('\n'.join(requirements))
    
    print("\nScraping completed!")
    print(f"Documentation has been generated in the {project_dir} directory")
    print("To preview the documentation locally:")
    print("1. Install requirements: pip install -r cloudferro-docs/requirements.txt")
    print("2. Run local server: cd cloudferro-docs && mkdocs serve")

def convert_nav_structure(nav):
    result = []
    for item in nav:
        if isinstance(item, dict):
            for key, value in item.items():
                if isinstance(value, str):
                    result.append({key: value})
                else:
                    result.append({key: convert_nav_structure(value)})
    return result

if __name__ == "__main__":
    url = 'https://docs.cloudferro.com/en/latest/'
    scrape_cloudferro_docs(url)