WizardKit/scripts/wk/std.py

"""WizardKit: Standard Functions"""
# pylint: disable=too-many-lines
# vim: sts=2 sw=2 ts=2

import itertools
import logging
import lzma
import os
import pathlib
import platform
import re
import socket
import subprocess
import sys
import time
import traceback

from collections import OrderedDict

import requests

try:
  from termios import tcflush, TCIOFLUSH
except ImportError:
  if os.name == 'posix':
    # Not worried about this under Windows
    raise

from wk.cfg.main import (
  ENABLED_UPLOAD_DATA,
  INDENT,
  SUPPORT_MESSAGE,
  WIDTH,
  )
from wk.cfg.net import CRASH_SERVER


# STATIC VARIABLES
COLORS = {
  'CLEAR':        '\033[0m',
  'RED':          '\033[31m',
  'RED_BLINK':    '\033[31;5m',
  'ORANGE':       '\033[31;1m',
  'ORANGE_RED':   '\033[1;31;41m',
  'GREEN':        '\033[32m',
  'YELLOW':       '\033[33m',
  'YELLOW_BLINK': '\033[33;5m',
  'BLUE':         '\033[34m',
  'PURPLE':       '\033[35m',
  'CYAN':         '\033[36m',
  }
LOG = logging.getLogger(__name__)
REGEX_SIZE_STRING = re.compile(
  r'(?P<size>\-?\d+\.?\d*)\s*(?P<units>[PTGMKB])(?P<binary>I?)B?'
  )


# Exception Classes
class GenericAbort(Exception):
  """Exception used for aborts selected by the user at runtime."""

class GenericError(Exception):
  """Exception used when the built-in exceptions don't fit."""

class GenericWarning(Exception):
  """Exception used to highlight non-critical events.

  NOTE: Avoiding built-in warning exceptions in case the
        warnings filter has been changed from the default.
  """


# Classes
class Menu():
  """Object for tracking menu specific data and methods.

  Menu items are added to an OrderedDict so the order is preserved.

  ASSUMPTIONS:
  1. All entry names are unique.
  2. All action entry names start with different letters.
  """
  def __init__(self, title='[Untitled Menu]'):
    self.actions = OrderedDict()
    self.options = OrderedDict()
    self.sets = OrderedDict()
    self.toggles = OrderedDict()
    self.disabled_str = 'Disabled'
    self.separator = '─'
    self.title = title

  def _generate_menu_text(self):
    """Generate menu text, returns str."""
    separator_string = self._get_separator_string()
    menu_lines = [self.title, separator_string] if self.title else []

    # Sets & toggles
    for section in (self.sets, self.toggles):
      for details in section.values():
        if details.get('Hidden', False):
          continue
        if details.get('Separator', False):
          menu_lines.append(separator_string)
        menu_lines.append(details['Display Name'])
    if self.sets or self.toggles:
      menu_lines.append(separator_string)

    # Options
    for details in self.options.values():
      if details.get('Hidden', False):
        continue
      if details.get('Separator', False):
        menu_lines.append(separator_string)
      menu_lines.append(details['Display Name'])
    if self.options:
      menu_lines.append(separator_string)

    # Actions
    for details in self.actions.values():
      if details.get('Hidden', False):
        continue
      if details.get('Separator', False):
        menu_lines.append(separator_string)
      menu_lines.append(details['Display Name'])

    # Show menu
    menu_lines.append('')
    menu_lines = [str(line) for line in menu_lines]
    return '\n'.join(menu_lines)

  def _get_display_name(
      self, name, details,
      index=None, no_checkboxes=True, setting_item=False):
    # pylint: disable=no-self-use,too-many-arguments
    """Format display name based on details and args, returns str."""
    disabled = details.get('Disabled', False)
    if setting_item and not details['Selected']:
      # Display item in YELLOW
      disabled = True
    checkmark = '*'
    if 'DISPLAY' in os.environ or platform.system() == 'Darwin':
      checkmark = '✓'
    display_name = f'{index if index else name[:1].upper()}: '
    if not (index and index >= 10):
      display_name = f' {display_name}'
    if setting_item and 'Value' in details:
      name = f'{name} = {details["Value"]}'

    # Add enabled status if necessary
    if not no_checkboxes:
      display_name += f'[{checkmark if details["Selected"] else " "}] '

    # Add name
    if disabled:
      display_name += color_string(f'{name} ({self.disabled_str})', 'YELLOW')
    else:
      display_name += name

    # Done
    return display_name

  def _get_separator_string(self):
    """Format separator length based on name lengths, returns str."""
    separator_length = 0

    # Check title line(s)
    if self.title:
      for line in self.title.split('\n'):
        separator_length = max(separator_length, len(strip_colors(line)))

    # Loop over all item names
    for section in (self.actions, self.options, self.sets, self.toggles):
      for details in section.values():
        if details.get('Hidden', False):
          # Skip hidden lines
          continue
        line = strip_colors(details['Display Name'])
        separator_length = max(separator_length, len(line))
    separator_length += 1

    # Done
    return self.separator * separator_length

  def _get_valid_answers(self):
    """Get valid answers based on menu items, returns list."""
    valid_answers = []

    # Numbered items
    index = 0
    for section in (self.sets, self.toggles, self.options):
      for details in section.values():
        if details.get('Hidden', False):
          # Don't increment index or add to valid_answers
          continue
        index += 1
        if not details.get('Disabled', False):
          valid_answers.append(str(index))

    # Action items
    for name, details in self.actions.items():
      if not details.get('Disabled', False):
        valid_answers.append(name[:1].upper())

    # Done
    return valid_answers

  def _resolve_selection(self, selection):
    """Get menu item based on user selection, returns tuple."""
    offset = 1
    resolved_selection = None
    if selection.isnumeric():
      # Enumerate over numbered entries
      entries = [
        *self.sets.items(),
        *self.toggles.items(),
        *self.options.items(),
        ]
      for _i, details in enumerate(entries):
        if details[1].get('Hidden', False):
          offset -= 1
        elif str(_i+offset) == selection:
          resolved_selection = (details)
          break
    else:
      # Just check actions
      for action, details in self.actions.items():
        if action.lower().startswith(selection.lower()):
          resolved_selection = (action, details)
          break

    # Done
    return resolved_selection

  def _update(self, single_selection=True, settings_mode=False):
    """Update menu items in preparation for printing to screen."""
    index = 0

    # Fix selection status for sets
    for set_details in self.sets.values():
      set_selected = True
      set_targets = set_details['Targets']
      for option, option_details in self.options.items():
        if option in set_targets and not option_details['Selected']:
          set_selected = False
        elif option not in set_targets and option_details['Selected']:
          set_selected = False
      set_details['Selected'] = set_selected

    # Numbered sections
    for section in (self.sets, self.toggles, self.options):
      for name, details in section.items():
        if details.get('Hidden', False):
          # Skip hidden lines and don't increment index
          continue
        index += 1
        details['Display Name'] = self._get_display_name(
          name,
          details,
          index=index,
          no_checkboxes=single_selection,
          setting_item=settings_mode,
          )

    # Actions
    for name, details in self.actions.items():
      details['Display Name'] = self._get_display_name(
        name,
        details,
        no_checkboxes=True,
        )

  def _update_entry_selection_status(self, entry, toggle=True, status=None):
    """Update entry selection status either directly or by toggling."""
    if entry in self.sets:
      # Update targets not the set itself
      new_status = not self.sets[entry]['Selected'] if toggle else status
      targets = self.sets[entry]['Targets']
      self._update_set_selection_status(targets, new_status)
    for section in (self.toggles, self.options, self.actions):
      if entry in section:
        if toggle:
          section[entry]['Selected'] = not section[entry]['Selected']
        else:
          section[entry]['Selected'] = status

  def _update_set_selection_status(self, targets, status):
    """Select or deselect options based on targets and status."""
    for option, details in self.options.items():
      # If (new) status is True and this option is a target then select
      #   Otherwise deselect
      details['Selected'] = status and option in targets

  def _user_select(self, prompt):
    """Show menu and select an entry, returns str."""
    menu_text = self._generate_menu_text()
    valid_answers = self._get_valid_answers()

    # Menu loop
    while True:
      clear_screen()
      print(menu_text)
      sleep(0.01)
      answer = input_text(prompt).strip()
      if answer.upper() in valid_answers:
        break

    # Done
    return answer

  def add_action(self, name, details=None):
    """Add action to menu."""
    details = details if details else {}
    details['Selected'] = details.get('Selected', False)
    self.actions[name] = details

  def add_option(self, name, details=None):
    """Add option to menu."""
    details = details if details else {}
    details['Selected'] = details.get('Selected', False)
    self.options[name] = details

  def add_set(self, name, details=None):
    """Add set to menu."""
    details = details if details else {}
    details['Selected'] = details.get('Selected', False)

    # Safety check
    if 'Targets' not in details:
      raise KeyError('Menu set has no targets')

    # Add set
    self.sets[name] = details

  def add_toggle(self, name, details=None):
    """Add toggle to menu."""
    details = details if details else {}
    details['Selected'] = details.get('Selected', False)
    self.toggles[name] = details

  def advanced_select(self, prompt='Please make a selection: '):
    """Display menu and make multiple selections, returns tuple.

    NOTE: Menu is displayed until an action entry is selected.
    """
    while True:
      self._update(single_selection=False)
      user_selection = self._user_select(prompt)
      selected_entry = self._resolve_selection(user_selection)
      if user_selection.isnumeric():
        # Update selection(s)
        self._update_entry_selection_status(selected_entry[0])
      else:
        # Action selected
        break

    # Done
    return selected_entry

  def settings_select(self, prompt='Please make a selection: '):
    """Display menu and make multiple selections, returns tuple.

    NOTE: Menu is displayed until an action entry is selected.
    """
    choice_kwargs = {
      'choices': ['T', 'C'],
      'prompt': 'Toggle or change value?',
      }

    while True:
      self._update(single_selection=True, settings_mode=True)
      user_selection = self._user_select(prompt)
      selected_entry = self._resolve_selection(user_selection)
      if user_selection.isnumeric():
        if 'Value' in selected_entry[-1] and choice(**choice_kwargs) == 'C':
          # Change
          selected_entry[-1]['Value'] = input_text('Enter new value: ')
        else:
          # Toggle
          self._update_entry_selection_status(selected_entry[0])
      else:
        # Action selected
        break

    # Done
    return selected_entry

  def simple_select(self, prompt='Please make a selection: '):
    """Display menu and make a single selection, returns tuple."""
    self._update()
    user_selection = self._user_select(prompt)
    return self._resolve_selection(user_selection)


class TryAndPrint():
  """Object used to standardize running functions and returning the result.

  The errors and warning attributes are used to allow fine-tuned results
  based on exception names.
  """
  def __init__(self, msg_bad='FAILED', msg_good='SUCCESS'):
    self.indent = INDENT
    self.msg_bad = msg_bad
    self.msg_good = msg_good
    self.width = WIDTH
    self.list_errors = ['GenericError']
    self.list_warnings = ['GenericWarning']

  def _format_exception_message(self, _exception):
    """Format using the exception's args or name, returns str."""
    LOG.debug(
      'Formatting exception: %s',
      _exception.__class__.__name__,
      )
    message = None

    # Use known argument index or first string found
    try:
      if isinstance(_exception, subprocess.CalledProcessError):
        message = _exception.stderr
        if not isinstance(message, str):
          message = message.decode('utf-8')
        message = message.strip()
      elif isinstance(_exception, FileNotFoundError):
        message = _exception.args[1]
      elif isinstance(_exception, ZeroDivisionError):
        message = 'ZeroDivisionError'
      else:
        for arg in _exception.args:
          if isinstance(arg, str):
            message = arg
            break
    except Exception: # pylint: disable=broad-except
      # Just use the exception name instead
      pass

    # Safety check
    if not message:
      try:
        message = _exception.__class__.__name__
      except Exception: # pylint: disable=broad-except
        message = 'UNKNOWN ERROR'

    # Fix multi-line messages
    if '\n' in message:
      try:
        lines = [
          f'{" "*(self.indent+self.width)}{line.strip()}'
          for line in message.splitlines() if line.strip()
          ]
        lines[0] = lines[0].strip()
        message = '\n'.join(lines)
      except Exception: # pylint: disable=broad-except
        pass

    # Done
    return message

  def _format_function_output(self, output):
    """Format function output for use in try_and_print(), returns str."""
    LOG.debug('Formatting output: %s', output)

    if not output:
      raise GenericWarning('No output')

    # Ensure we're working with a list
    if isinstance(output, subprocess.CompletedProcess):
      stdout = output.stdout
      if not isinstance(stdout, str):
        stdout = stdout.decode('utf8')
      output = stdout.strip().splitlines()
    else:
      try:
        output = list(output)
      except TypeError:
        output = [output]

    # Safety check
    if not output:
      # Going to ignore empty function output for now
      LOG.error('Output is empty')
      return 'UNKNOWN'

    # Build result_msg
    result_msg = f'{output.pop(0)}'
    if output:
      output = [f'{" "*(self.indent+self.width)}{line}' for line in output]
      result_msg += '\n' + '\n'.join(output)

    # Done
    return result_msg

  def _get_exception(self, name):
    # pylint: disable=no-self-use
    """Get exception by name, returns exception object.

    [Doctest]
    >>> self._get_exception('AttributeError')
    <class 'AttributeError'>
    >>> self._get_exception('CalledProcessError')
    <class 'subprocess.CalledProcessError'>
    >>> self._get_exception('GenericError')
    <class 'std.GenericError'>
    """
    LOG.debug('Getting exception: %s', name)
    try:
      obj = getattr(sys.modules[__name__], name)
    except AttributeError:
      # Try builtin classes
      obj = getattr(sys.modules['builtins'], name)
    return obj

  def _log_result(self, message, result_msg):
    """Log result text without color formatting."""
    log_text = f'{" "*self.indent}{message:<{self.width}}{result_msg}'
    for line in log_text.splitlines():
      line = strip_colors(line)
      LOG.info(line)

  def add_error(self, exception_name):
    """Add exception name to error list."""
    if exception_name not in self.list_errors:
      self.list_errors.append(exception_name)

  def add_warning(self, exception_name):
    """Add exception name to warning list."""
    if exception_name not in self.list_warnings:
      self.list_warnings.append(exception_name)

  def run(
      self, message, function, *args,
      catch_all=True, msg_good=None, verbose=False, **kwargs):
    # pylint: disable=catching-non-exception
    """Run a function and print the results, returns results as dict.

    If catch_all is True then (nearly) all exceptions will be caught.
    Otherwise if an exception occurs that wasn't specified it will be
    re-raised.

    If the function returns data it will be used instead of msg_good,
    msg_bad, or exception text.
    The output should be a list or a subprocess.CompletedProcess object.

    If msg_good is passed it will override self.msg_good for this call.

    If verbose is True then exception names or messages will be used for
    the result message. Otherwise it will simply be set to result_bad.

    args and kwargs are passed to the function.
    """
    LOG.debug('function: %s.%s', function.__module__, function.__name__)
    LOG.debug('args: %s', args)
    LOG.debug('kwargs: %s', kwargs)
    LOG.debug(
      'catch_all: %s, msg_good: %s, verbose: %s',
      catch_all,
      msg_good,
      verbose,
      )
    f_exception = None
    output = None
    result_msg = 'UNKNOWN'

    # Build exception tuples
    e_exceptions = tuple(self._get_exception(e) for e in self.list_errors)
    w_exceptions = tuple(self._get_exception(e) for e in self.list_warnings)

    # Run function and catch exceptions
    print(f'{" "*self.indent}{message:<{self.width}}', end='', flush=True)
    LOG.debug('Running function: %s.%s', function.__module__, function.__name__)
    try:
      output = function(*args, **kwargs)
    except w_exceptions as _exception:
      # Warnings
      result_msg = self._format_exception_message(_exception)
      print_warning(result_msg, log=False)
      f_exception = _exception
    except e_exceptions as _exception:
      # Exceptions
      result_msg = self._format_exception_message(_exception)
      print_error(result_msg, log=False)
      f_exception = _exception
    except Exception as _exception: # pylint: disable=broad-except
      # Unexpected exceptions
      if verbose:
        result_msg = self._format_exception_message(_exception)
      else:
        result_msg = self.msg_bad
      print_error(result_msg, log=False)
      f_exception = _exception
      if not catch_all:
        # Re-raise error as necessary
        raise
    else:
      # Success
      if output:
        result_msg = self._format_function_output(output)
        print(result_msg)
      else:
        result_msg = msg_good if msg_good else self.msg_good
        print_success(result_msg, log=False)

    # Done
    self._log_result(message, result_msg)
    return {
      'Failed': bool(f_exception),
      'Exception': f_exception,
      'Output': output,
      }


# Functions
def abort(prompt='Aborted.', show_prompt=True, return_code=1):
  """Abort script."""
  print_warning(prompt)
  if show_prompt:
    sleep(0.5)
    pause(prompt='Press Enter to exit... ')
  sys.exit(return_code)


def ask(prompt='Kotaero!'):
  """Prompt the user with a Y/N question, returns bool."""
  answer = None
  prompt = f'{prompt} [Y/N]: '

  # Loop until acceptable answer is given
  while answer is None:
    tmp = input_text(prompt)
    if re.search(r'^y(es|up|)$', tmp, re.IGNORECASE):
      answer = True
    elif re.search(r'^n(o|ope|)$', tmp, re.IGNORECASE):
      answer = False

  # Done
  LOG.info('%s%s', prompt, 'Yes' if answer else 'No')
  return answer


def beep(repeat=1):
  """Play system bell with optional repeat."""
  # TODO: Verify Windows functionality
  while repeat >= 1:
    # Print bell char without a newline
    print('\a', end='', flush=True)
    sleep(0.5)
    repeat -= 1


def bytes_to_string(size, decimals=0, use_binary=True):
  """Convert size into a human-readable format, returns str.

  [Doctest]
  >>> bytes_to_string(10)
  '10   B'
  >>> bytes_to_string(10_000_000)
  '10 MiB'
  >>> bytes_to_string(10_000_000, decimals=2)
  '9.54 MiB'
  >>> bytes_to_string(10_000_000, decimals=2, use_binary=False)
  '10.00 MB'
  >>> bytes_to_string(-10_000_000, decimals=4)
  '-9.5367 MiB'
  """
  LOG.debug(
    'size: %s, decimals: %s, use_binary: %s',
    size,
    decimals,
    use_binary,
    )
  size = float(size)
  abs_size = abs(size)

  # Set scale
  scale = 1000
  suffix = 'B'
  if use_binary:
    scale = 1024
    suffix = 'iB'

  # Convert to sensible units
  if abs_size >= scale ** 5:
    size /= scale ** 5
    units = 'P' + suffix
  elif abs_size >= scale ** 4:
    size /= scale ** 4
    units = 'T' + suffix
  elif abs_size >= scale ** 3:
    size /= scale ** 3
    units = 'G' + suffix
  elif abs_size >= scale ** 2:
    size /= scale ** 2
    units = 'M' + suffix
  elif abs_size >= scale ** 1:
    size /= scale ** 1
    units = 'K' + suffix
  else:
    size /= scale ** 0
    units = f' {" " if use_binary else ""}B'
  size = f'{size:0.{decimals}f} {units}'

  # Done
  LOG.debug('string: %s', size)
  return size


def choice(choices, prompt='答えろ！'):
  """Choose an option from a provided list, returns str.

  Choices provided will be converted to uppercase and returned as such.
  Similar to the commands choice (Windows) and select (Linux).
  """
  LOG.debug('choices: %s, prompt: %s', choices, prompt)
  answer = None
  choices = [str(c).upper()[:1] for c in choices]
  prompt = f'{prompt} [{"/".join(choices)}]'
  regex = f'^({"|".join(choices)})$'

  # Loop until acceptable answer is given
  while answer is None:
    tmp = input_text(prompt=prompt)
    if re.search(regex, tmp, re.IGNORECASE):
      answer = tmp.upper()

  # Done
  LOG.info('%s %s', prompt, answer)
  return answer


def clear_screen():
  """Simple wrapper for clear/cls."""
  cmd = 'cls' if os.name == 'nt' else 'clear'
  subprocess.run(cmd, check=False, shell=True, stderr=subprocess.PIPE)


def color_string(strings, colors, sep=' '):
  """Build colored string using ANSI escapes, returns str."""
  clear_code = COLORS['CLEAR']
  msg = []

  # Convert to tuples if necessary
  if isinstance(strings, str):
    strings = (strings,)
  if isinstance(colors, str):
    colors = (colors,)

  # Build new string with color escapes added
  for string, color in itertools.zip_longest(strings, colors):
    color_code = COLORS.get(color, clear_code)
    msg.append(f'{color_code}{string}{clear_code}')

  # Done
  return sep.join(msg)


def generate_debug_report():
  """Generate debug report, returns str."""
  platform_function_list = (
    'architecture',
    'machine',
    'platform',
    'python_version',
    )
  report = []

  # Logging data
  log_path = get_log_filepath()
  if log_path:
    report.append('------ Start Log -------')
    report.append('')
    with open(log_path, 'r') as log_file:
      report.extend(log_file.read().splitlines())
    report.append('')
    report.append('------- End Log --------')

  # System
  report.append('--- Start debug info ---')
  report.append('')
  report.append('[System]')
  report.append(f'  {"FQDN":<24} {socket.getfqdn()}')
  for func in platform_function_list:
    func_name = func.replace('_', ' ').capitalize()
    func_result = getattr(platform, func)()
    report.append(f'  {func_name:<24} {func_result}')
  report.append(f'  {"Python sys.argv":<24} {sys.argv}')
  report.append('')

  # Environment
  report.append('[Environment Variables]')
  for key, value in sorted(os.environ.items()):
    report.append(f'  {key:<24} {value}')
  report.append('')

  # Done
  report.append('---- End debug info ----')
  return '\n'.join(report)


def get_log_filepath():
  """Get the log filepath from the root logger, returns pathlib.Path obj.

  NOTE: This will use the first handler baseFilename it finds (if any).
  """
  log_filepath = None
  root_logger = logging.getLogger()

  # Check handlers
  for handler in root_logger.handlers:
    if hasattr(handler, 'baseFilename'):
      log_filepath = pathlib.Path(handler.baseFilename).resolve()
      break

  # Done
  return log_filepath


def input_text(prompt='Enter text'):
  """Get text from user, returns string."""
  prompt = str(prompt)
  response = None
  if prompt[-1:] != ' ':
    prompt += ' '

  while response is None:
    if os.name == 'posix':
      # Flush input to (hopefully) avoid EOFError
      tcflush(sys.stdin, TCIOFLUSH)
    try:
      response = input(prompt)
      LOG.debug('%s%s', prompt, response)
    except EOFError:
      # Ignore and try again
      LOG.warning('Exception occured', exc_info=True)
      print('', flush=True)

  return response


def major_exception():
  """Display traceback, optionally upload detailes, and exit."""
  LOG.critical('Major exception encountered', exc_info=True)
  print_error('Major exception', log=False)
  print_warning(SUPPORT_MESSAGE)
  print(traceback.format_exc())

  # Build report
  report = generate_debug_report()

  # Upload details
  prompt = f'Upload details to {CRASH_SERVER.get("Name", "?")}?'
  if ENABLED_UPLOAD_DATA and ask(prompt):
    print('Uploading... ', end='', flush=True)
    try:
      upload_debug_report(report, reason='CRASH')
    except Exception: #pylint: disable=broad-except
      print_error('FAILED', log=False)
      LOG.error('Upload failed', exc_info=True)
    else:
      print_success('SUCCESS', log=False)
      LOG.info('Upload successful')

  # Done
  pause('Press Enter to exit... ')
  raise SystemExit(1)


def pause(prompt='Press Enter to continue... '):
  """Simple pause implementation."""
  input_text(prompt)


def print_colored(strings, colors, log=False, sep=' ', **kwargs):
  """Prints strings in the colors specified."""
  LOG.debug(
    'strings: %s, colors: %s, sep: %s, kwargs: %s',
    strings, colors, sep, kwargs,
    )
  msg = color_string(strings, colors, sep=sep)
  print_options = {
    'end': kwargs.get('end', '\n'),
    'file': kwargs.get('file', sys.stdout),
    'flush': kwargs.get('flush', False),
    }

  print(msg, **print_options)
  if log:
    LOG.info(strip_colors(msg))


def print_error(msg, log=True, **kwargs):
  """Prints message in RED and log as ERROR."""
  if 'file' not in kwargs:
    # Only set if not specified
    kwargs['file'] = sys.stderr
  print_colored(msg, 'RED', **kwargs)
  if log:
    LOG.error(msg)


def print_info(msg, log=True, **kwargs):
  """Prints message in BLUE and log as INFO."""
  print_colored(msg, 'BLUE', **kwargs)
  if log:
    LOG.info(msg)


def print_report(report, log=True):
  """Print report to screen and optionally to log."""
  for line in report:
    print(line)
    if log:
      LOG.info(strip_colors(line))


def print_standard(msg, log=True, **kwargs):
  """Prints message and log as INFO."""
  print(msg, **kwargs)
  if log:
    LOG.info(msg)


def print_success(msg, log=True, **kwargs):
  """Prints message in GREEN and log as INFO."""
  print_colored(msg, 'GREEN', **kwargs)
  if log:
    LOG.info(msg)


def print_warning(msg, log=True, **kwargs):
  """Prints message in YELLOW and log as WARNING."""
  if 'file' not in kwargs:
    # Only set if not specified
    kwargs['file'] = sys.stderr
  print_colored(msg, 'YELLOW', **kwargs)
  if log:
    LOG.warning(msg)


def set_title(title):
  """Set window title."""
  LOG.debug('title: %s', title)
  if os.name == 'nt':
    os.system(f'title {title}')
  else:
    print_error('Setting the title is only supported under Windows.')


def show_data(message, data, color=None):
  """Display info using standard WIDTH and INDENT."""
  colors = (None, color if color else None)
  print_colored(
    (f'{" "*INDENT}{message:<{WIDTH}}', data),
    colors,
    log=True,
    sep='',
    )


def sleep(seconds=2):
  """Simple wrapper for time.sleep."""
  time.sleep(seconds)


def string_to_bytes(size, assume_binary=False):
  """Convert human-readable size str to bytes and return an int."""
  LOG.debug('size: %s, assume_binary: %s', size, assume_binary)
  scale = 1000
  size = str(size)
  tmp = REGEX_SIZE_STRING.search(size.upper())

  # Raise exception if string can't be parsed as a size
  if not tmp:
    raise ValueError(f'Invalid size string: {size}')

  # Set scale
  if tmp.group('binary') or assume_binary:
    scale = 1024

  # Convert to bytes
  size = float(tmp.group('size'))
  units = tmp.group('units')
  if units == 'P':
    size *= scale ** 5
  if units == 'T':
    size *= scale ** 4
  elif units == 'G':
    size *= scale ** 3
  elif units == 'M':
    size *= scale ** 2
  elif units == 'K':
    size *= scale ** 1
  elif units == 'B':
    size *= scale ** 0
  size = int(size)

  # Done
  LOG.debug('bytes: %s', size)
  return size


def strip_colors(string):
  """Strip known ANSI color escapes from string, returns str."""
  LOG.debug('string: %s', string)
  for color in COLORS.values():
    string = string.replace(color, '')
  return string


def upload_debug_report(report, compress=True, reason='DEBUG'):
  """Upload debug report to CRASH_SERVER as specified in wk.cfg.main."""
  LOG.info('Uploading debug report to %s', CRASH_SERVER.get('Name', '?'))
  headers = CRASH_SERVER.get('Headers', {'X-Requested-With': 'XMLHttpRequest'})
  if compress:
    headers['Content-Type'] = 'application/octet-stream'

  # Check if the required server details are available
  if not all(CRASH_SERVER.get(key, False) for key in ('Name', 'Url', 'User')):
    msg = 'Server details missing, aborting upload.'
    print_error(msg)
    raise RuntimeError(msg)

  # Set filename (based on the logging config if possible)
  filename = 'Unknown'
  log_path = get_log_filepath()
  if log_path:
    # Strip everything but the prefix
    filename = re.sub(r'^(.*)_(\d{4}-\d{2}-\d{2}.*)', r'\1', log_path.name)
  filename = f'{filename}_{reason}_{time.strftime("%Y-%m-%d_%H%M%S%z")}.log'
  LOG.debug('filename: %s', filename)

  # Compress report
  if compress:
    filename += '.xz'
    xz_report = lzma.compress(report.encode('utf8'))

  # Upload report
  url = f'{CRASH_SERVER["Url"]}/{filename}'
  response = requests.put(
    url,
    data=xz_report if compress else report,
    headers=headers,
    auth=(CRASH_SERVER['User'], CRASH_SERVER.get('Pass', '')),
    )

  # Check response
  if not response.ok:
    raise RuntimeError('Failed to upload report')


if __name__ == '__main__':
  print("This file is not meant to be called directly.")