# coding: utf-8
# /*##########################################################################
#
# Copyright (c) 2017 European Synchrotron Radiation Facility
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# furnished to do so, subject to the following conditions:
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# The above copyright notice and this permission notice shall be included in
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# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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__authors__ = ["H. Payno"]
__license__ = "MIT"
__date__ = "28/04/2020"


import os
import gc
import time
import shutil
import pytest
import pickle
import tempfile
from glob import glob
from silx.gui import qt
from silx.gui.utils.testutils import TestCaseQt
from tomwer.core import settings
from tomwer.tests.utils import skip_gui_test
from tomwer.core.utils.scanutils import MockBlissAcquisition
from tomwer.core.process.control.datalistener.rpcserver import BlissAcquisition
from orangecanvas.scheme.readwrite import literal_dumps
from orangecontrib.tomwer.widgets.control.DataListenerOW import DataListenerOW

try:
    from tomwer.synctools.rsyncmanager import RSyncManager  # noqa F401
except ImportError:
    has_rsync = False
else:
    has_rsync = RSyncManager().has_rsync()


@pytest.mark.skipif(skip_gui_test(), reason="skip gui test")
class TestDataListenerSynchronization(TestCaseQt):
    """Insure synchronization is working with the orangecontrib widget"""

    def setUp(self):
        super().setUp()
        self._src_dir = tempfile.mkdtemp()
        self._dst_dir = tempfile.mkdtemp()
        # mock lbsram
        settings.mock_lsbram(True)
        settings._set_lbsram_path(self._src_dir)
        settings._set_dest_path(self._dst_dir)

        scan_path = os.path.join(self._src_dir, "scan0000")
        self.mock_scan = MockBlissAcquisition(
            n_sample=1,
            n_sequence=1,
            n_scan_per_sequence=3,
            n_darks=2,
            n_flats=2,
            output_dir=scan_path,
        )

        self.bliss_acquisition = BlissAcquisition(
            file_path=self.mock_scan.samples[0].sample_file,
            proposal_file=self.mock_scan.proposal_file,
            sample_file=self.mock_scan.samples[0].sample_file,
            entry_name="self.entry = '/1'",
            start_time=time.ctime(),
        )

        self.widget = DataListenerOW()

    def tearDown(self):
        self.mock_scan = None
        self.bliss_acquisition = None
        # self.widget.activate(False)
        self.widget.setAttribute(qt.Qt.WA_DeleteOnClose)
        self.widget.close()
        self.widget = None
        shutil.rmtree(self._src_dir)
        shutil.rmtree(self._dst_dir)
        gc.collect()

    @pytest.mark.skipif(not has_rsync, reason="rsync not installed")
    def testSynchronization(self):
        """Make sure the datalistener will launch a synchronization on the
        data dir when receive it"""
        self.assertEqual(len(os.listdir(self._dst_dir)), 0)
        self.widget.activate(True)

        self.widget.get_listening_thread()._rpc_sequence_started(
            saving_file=self.bliss_acquisition.sample_file,
            scan_title="toto",
            sequence_scan_number="1",
            proposal_file=self.bliss_acquisition.proposal_file,
            sample_file=self.bliss_acquisition.sample_file,
        )
        time.sleep(1.0)
        self.assertEqual(self.widget._get_n_scan_observe(), 1)
        self.assertEqual(len(os.listdir(self._dst_dir)), 1)
        self.widget.get_listening_thread()._rpc_sequence_ended(
            saving_file=self.bliss_acquisition.sample_file,
            sequence_scan_number="1",
            success=True,
        )
        nx_pattern = os.path.join(self.mock_scan.samples[0].sample_directory, "*.nx")
        self.assertEqual(len(glob(nx_pattern)), 0)
        for i in range(8):
            self.qapp.processEvents()
            time.sleep(1.0)
        # check .nx file has been created
        #
        self.assertEqual(len(glob(nx_pattern)), 1)

    def testSerialization(self):
        pickle.dumps(self.widget.get_configuration())

    def testLiteralDumps(self):
        literal_dumps(self.widget.get_configuration())
