import os
from pathlib import Path
from dotenv import load_dotenv
from mcp.server.fastmcp import FastMCP
load_dotenv();mcp=FastMCP("Alfred Files")
READ=[Path(x).resolve() for x in os.getenv('READ_ROOTS','').split(':') if x]; WRITE=Path(os.getenv('WRITE_ROOT','/home/hermes/alfred-data')).resolve();WRITE.mkdir(parents=True,exist_ok=True)
def safe_read(p):
    p=Path(p).resolve();
    if not any(p==r or r in p.parents for r in READ): raise PermissionError('Hors des zones de lecture autorisées')
    return p
def safe_write(name):
    p=(WRITE/name).resolve();
    if not (p==WRITE or WRITE in p.parents): raise PermissionError('Écriture hors workspace interdite')
    return p
@mcp.tool()
def list_directory(path:str): return [{'name':p.name,'is_dir':p.is_dir()} for p in safe_read(path).iterdir()]
@mcp.tool()
def search_files(query:str):
    out=[]
    for r in READ:
        for p in r.rglob('*'):
            if query.lower() in p.name.lower(): out.append(str(p))
            if len(out)>=100:return out
    return out
@mcp.tool()
def read_text(path:str, max_chars:int=50000): return safe_read(path).read_text(errors='replace')[:max_chars]
@mcp.tool()
def write_workspace_file(name:str, content:str):
    p=safe_write(name);p.parent.mkdir(parents=True,exist_ok=True);p.write_text(content);return str(p)
if __name__=='__main__':mcp.run()