from pathlib import Path
from typing import List
from tweety.types import Proxy, PROXY_TYPE_SOCKS5, PROXY_TYPE_HTTP


def read_proxy_file(file_path: str) -> List[Proxy]:
    path = Path(file_path)
    if not path.exists():
        raise FileNotFoundError(f"Proxy file not found: {file_path}")
    
    proxies = []
    lines = path.read_text(encoding='utf-8').strip().split('\n')
    
    for line in lines:
        line = line.strip()
        if not line or line.startswith('#'):
            continue
        
        try:
            if '://' in line:
                protocol, rest = line.split('://', 1)
            else:
                protocol = 'socks5'
                rest = line
            
            username = None
            password = None
            
            if '@' in rest:
                auth, host_port = rest.rsplit('@', 1)
                if ':' in auth:
                    username, password = auth.split(':', 1)
            else:
                host_port = rest
            
            if ':' in host_port:
                host, port = host_port.rsplit(':', 1)
                port = int(port)
            else:
                continue
            
            protocol = protocol.lower()
            if protocol in ['socks5', 'socks', 'socks5h']:
                proxy_type = PROXY_TYPE_SOCKS5
            elif protocol in ['http', 'https']:
                proxy_type = PROXY_TYPE_HTTP
            else:
                continue
            
            proxy = Proxy(
                host=host,
                port=port,
                proxy_type=proxy_type,
                username=username,
                password=password
            )
            
            proxies.append(proxy)
            
        except Exception:
            continue
    
    if proxies:
        print(f"✓ Loaded {len(proxies)} proxies from file")
    
    return proxies