import os
import re

CONTENT_DIR = "content/podcast"
for filename in sorted(os.listdir(CONTENT_DIR)):
    if filename.startswith("ep-") and filename.endswith(".yaml"):
        # extract number
        match = re.search(r'ep-(\d{3})-', filename)
        if match:
            num = match.group(1)
            
            filepath = os.path.join(CONTENT_DIR, filename)
            with open(filepath, 'r', encoding='utf-8') as f:
                content = f.read()
            
            # extract current title
            title_match = re.search(r'^title:\s*"?(.+?)"?$', content, flags=re.MULTILINE)
            if title_match:
                current_title = title_match.group(1)
                # strip existing number if any
                current_title = re.sub(r'^\d{3}:\s*', '', current_title)
                new_title = f"{num}: {current_title}"
                
                # update title
                content = re.sub(r'^title:\s*.*$', f'title: "{new_title}"', content, flags=re.MULTILINE)
                
                with open(filepath, 'w', encoding='utf-8') as f:
                    f.write(content)
                print(f"Updated {filename} -> {new_title}")