#-*- coding:utf-8 -*-

"""
This file is part of OpenSesame.

OpenSesame is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.

OpenSesame is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with OpenSesame.  If not, see <http://www.gnu.org/licenses/>.
"""

from libopensesame.py3compat import *
from libopensesame.oslogging import oslogger
from libqtopensesame.misc.base_subcomponent import BaseSubcomponent


class ConsoleBridge(BaseSubcomponent):

	"""
	desc:
		A base console for debug-window consoles.
	"""

	def __init__(self, main_window):

		super(ConsoleBridge, self).__init__()
		self.setup(main_window)
		self._jupyter_console = None
		self._writing = False

	def write(self, s):

		oslogger.debug(s)
		if self._writing:
			oslogger.warning(u'recursive write() call')
			print(safe_decode(s, errors=u'ignore'))
			return
		self._writing = True
		if hasattr(self, u'extension_manager'):
			self.extension_manager.fire(u'jupyter_write', msg=s)
		else:
			oslogger.info(s)
		self._writing = False

	def reset(self):

		self.main_window.set_run_status(u'inactive')
		self.extension_manager.fire(u'jupyter_restart')

	def get_workspace_globals(self):

		if self._jupyter_console is None:
			try:
				self._jupyter_console = self.extension_manager['JupyterConsole']
			except Exception:
				return {}
		return self._jupyter_console.get_workspace_globals()

	def set_workspace_globals(self, _globals={}):

		self.extension_manager.fire(
			u'set_workspace_globals',
			global_dict=_globals
		)

	def show_prompt(self):

		self.extension_manager.fire(u'jupyter_show_prompt')
