from pathlib import PurePosixPath
from typing import Optional

import fsspec
from fsspec import AbstractFileSystem
from huggingface_hub.hf_api import DatasetInfo

from ..utils.file_utils import get_authentication_headers_for_url
from ..utils.hub import hf_hub_url






class 		_lowerCamelCase		(   _UpperCAmelCase    ):
    __a  =      ''
    __a  =      'hf-legacy'  # "hf://"" is reserved for hffs
    def __init__(  self , lowerCAmelCase = None , lowerCAmelCase = None , **lowerCAmelCase , )       ->					Any:
     super().__init__(self , **__UpperCamelCase   )
     SCREAMING_SNAKE_CASE__:   List[Any]=      repo_info
     SCREAMING_SNAKE_CASE__:   str=      token
     SCREAMING_SNAKE_CASE__:   int=      None
    def 						UpperCamelCase_				(  self   )       ->					List[str]:






     if self.dir_cache is None:
      SCREAMING_SNAKE_CASE__:   Optional[Any]=      {}
      for hf_file in self.repo_info.siblings:
       # TODO(QL): add sizes
       SCREAMING_SNAKE_CASE__:   Dict=      {
           '''name''': hf_file.rfilename,
           '''size''': None,
           '''type''': '''file''',
       }
       self.dir_cache.update(
           {
               str(__UpperCamelCase   ): {'''name''': str(__UpperCamelCase   ), '''size''': None, '''type''': '''directory'''}
               for d in list(PurePosixPath(hf_file.rfilename   ).parents   )[:-1]
           }   )
    def 						UpperCamelCase_				(  self , lowerCAmelCase , lowerCAmelCase = "rb" , **lowerCAmelCase , )       ->					List[str]:






     if not isinstance(self.repo_info , __UpperCamelCase   ):
      raise NotImplementedError(f'Open is only implemented for dataset repositories, but got {self.repo_info}'   )
     SCREAMING_SNAKE_CASE__:   int=      hf_hub_url(self.repo_info.id , __UpperCamelCase , revision=self.repo_info.sha   )
     return fsspec.open(
         __UpperCamelCase , mode=__UpperCamelCase , headers=get_authentication_headers_for_url(__UpperCamelCase , use_auth_token=self.token   ) , client_kwargs={'''trust_env''': True} , ).open()
    def 						UpperCamelCase_				(  self , lowerCAmelCase , **lowerCAmelCase   )       ->					Tuple:
     self._get_dirs()
     SCREAMING_SNAKE_CASE__:   Optional[int]=      self._strip_protocol(__UpperCamelCase   )
     if path in self.dir_cache:
      return self.dir_cache[path]
     else:
      raise FileNotFoundError(__UpperCamelCase   )



    def 						UpperCamelCase_				(  self , lowerCAmelCase , lowerCAmelCase=False , **lowerCAmelCase   )       ->					Optional[Any]:
     self._get_dirs()
     SCREAMING_SNAKE_CASE__:   List[Any]=      PurePosixPath(path.strip('''/'''   )   )
     SCREAMING_SNAKE_CASE__:   Any=      {}
     for p, f in self.dir_cache.items():
      SCREAMING_SNAKE_CASE__:   Tuple=      PurePosixPath(p.strip('''/'''   )   )
      SCREAMING_SNAKE_CASE__:   Tuple=      p.parent
      if root == path:
       SCREAMING_SNAKE_CASE__:   Optional[int]=      f
     SCREAMING_SNAKE_CASE__:   Tuple=      list(paths.values()   )
     if detail:
      return out
     else:
      return sorted(f['''name'''] for f in out   )


from __future__ import annotations

from statistics import mean







def 			A__      (	snake_case_ :		list[int]       ,				snake_case_ :		list[int]       ,				snake_case_ :		int      ):
 SCREAMING_SNAKE_CASE__:   Dict=      [0] * no_of_processes
 SCREAMING_SNAKE_CASE__:   Dict=      [0] * no_of_processes

 # Initialize remaining_time to waiting_time.

 for i in range(snake_case_      ):
  SCREAMING_SNAKE_CASE__:   List[str]=      burst_time[i]
 SCREAMING_SNAKE_CASE__:   list[int]=      []

 SCREAMING_SNAKE_CASE__:   List[Any]=      0
 SCREAMING_SNAKE_CASE__:   List[Any]=      0

 # When processes are not completed,
 # A process whose arrival time has passed \
 # and has remaining execution time is put into the ready_process.
 # The shortest process in the ready_process, target_process is executed.

 while completed != no_of_processes:
  SCREAMING_SNAKE_CASE__:   Optional[int]=      []
  SCREAMING_SNAKE_CASE__:   List[str]=      -1

  for i in range(snake_case_      ):
   if (arrival_time[i] <= total_time) and (remaining_time[i] > 0):
    ready_process.append(snake_case_      )

  if len(snake_case_      ) > 0:
   SCREAMING_SNAKE_CASE__:   Optional[int]=      ready_process[0]
   for i in ready_process:
    if remaining_time[i] < remaining_time[target_process]:
     SCREAMING_SNAKE_CASE__:   int=      i
   total_time += burst_time[target_process]
   completed += 1
   SCREAMING_SNAKE_CASE__:   str=      0
   SCREAMING_SNAKE_CASE__:   Tuple=      (
       total_time - arrival_time[target_process] - burst_time[target_process]
   )
  else:
   total_time += 1

 return waiting_time







def 			A__      (	snake_case_ :		list[int]       ,				snake_case_ :		int       ,				snake_case_ :		list[int]      ):
 SCREAMING_SNAKE_CASE__:   List[str]=      [0] * no_of_processes
 for i in range(snake_case_      ):
  SCREAMING_SNAKE_CASE__:   Dict=      burst_time[i] + waiting_time[i]
 return turn_around_time


if __name__ == "__main__":
      print('[TEST CASE 01]')

      lowercase_     :   List[Any] 				=				4
      lowercase_     :   str 				=				[2, 5, 3, 7]
      lowercase_     :   Union[str, Any] 				=				[0, 0, 0, 0]
      lowercase_     :   Any 				=				calculate_waitingtime(arrival_time, burst_time, no_of_processes)
      lowercase_     :   Optional[Any] 				=				calculate_turnaroundtime(
          burst_time, no_of_processes, waiting_time
      )

      # Printing the Result
      print('PID\tBurst Time\tArrival Time\tWaiting Time\tTurnaround Time')
      for i, process_id in enumerate(list(range(1, 5))):
            print(
                f'''{process_id}\t{burst_time[i]}\t\t\t{arrival_time[i]}\t\t\t\t'''
                f'''{waiting_time[i]}\t\t\t\t{turn_around_time[i]}'''
            )
      print(f'''\nAverage waiting time = {mean(waiting_time):.5f}''')
      print(f'''Average turnaround time = {mean(turn_around_time):.5f}''')

