from __future__ import annotations
import argparse
from pathlib import Path
from .exact import exact_dedupe
from .scanner import scan
from .l2 import acoustic_dedupe
from .watcher import watch

def main():
 p=argparse.ArgumentParser(prog='am-deduper'); sub=p.add_subparsers(dest='cmd',required=True)
 for name in ('scan','dedupe','reconcile','watch'):
  sp=sub.add_parser(name); sp.add_argument('root',type=Path); sp.add_argument('--db',type=Path,default=None)
 a=p.parse_args(); db=a.db or a.root/'.dedupe'/'dedupe.db'
 if a.cmd=='watch': watch(a.root,db); return
 print(f'indexed={scan(a.root,db)} db={db}')
 if a.cmd in ('dedupe','reconcile'):
  ex=exact_dedupe(db,a.root); print(f'exact_hardlinked={len(ex)}')
  l2=acoustic_dedupe(db,a.root); print(f'l2={l2}')