import os
from typing import List
from models import Video

def scan_video_directory(directory_path: str) -> List[dict]:
    """
    Scan a directory for video files and return a list of video information.
    """
    video_extensions = {'.mp4', '.avi', '.mkv', '.mov', '.wmv', '.flv', '.webm', '.m4v'}
    videos = []
    
    if not os.path.exists(directory_path):
        raise FileNotFoundError(f"Directory {directory_path} does not exist")
    
    for root, dirs, files in os.walk(directory_path):
        for file in files:
            if os.path.splitext(file)[1].lower() in video_extensions:
                full_path = os.path.join(root, file)
                stat = os.stat(full_path)
                
                video_info = {
                    "title": os.path.splitext(file)[0],
                    "path": full_path,
                    "size": stat.st_size,
                }
                videos.append(video_info)
    
    return videos