import os
import subprocess
from file_utils import validate_file_types, get_file_summary, read_file_content, summarize_content

SUPPORTED_FILE_TYPES = ["txt", "shell", "python", "markdown", "yaml", "json", "csv", "tsv", "xml", "html", "ini", "jsonl", "ipynb"]

def validate_url(url):
    return url.startswith('https://')

def clone_repo(url, repo_dir, hf_token, hf_user):
    env = os.environ.copy()
    env['GIT_LFS_SKIP_SMUDGE'] = '1'
    token_url = url.replace('https://', f'https://{hf_user}:{hf_token}@')
    result = subprocess.run(["git", "clone", token_url, repo_dir], env=env, capture_output=True, text=True)
    if result.returncode != 0:
        return False, result.stderr
    return True, None

def extract_repo_content(url, hf_token, hf_user):
    if not validate_url(url):
        return [{"header": {"name": "Error", "type": "error", "size": 0}, "content": "Invalid URL"}]
    
    repo_dir = "./temp_repo"
    if os.path.exists(repo_dir):
        subprocess.run(["rm", "-rf", repo_dir])
    
    success, error = clone_repo(url, repo_dir, hf_token, hf_user)
    if not success:
        return [{"header": {"name": "Error", "type": "error", "size": 0}, "content": f"Failed to clone repository: {error}"}]
    
    file_types = validate_file_types(repo_dir)
    extracted_content = []
    for file_path, file_type in file_types.items():
        file_summary = get_file_summary(file_path, file_type)
        content = {"header": file_summary}
        
        if file_type in SUPPORTED_FILE_TYPES and file_summary["size"] <= 32 * 1024:
            try:
                content["content"] = read_file_content(file_path)
            except Exception as e:
                content["content"] = f"Failed to read file content: {str(e)}"
        else:
            content["content"] = "File too large or binary, content not captured."
        
        extracted_content.append(content)
    
    subprocess.run(["rm", "-rf", repo_dir])
    
    return extracted_content