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

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# OpenLP - Open Source Lyrics Projection                                 #
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# it under the terms of the GNU General Public License as published by   #
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"""
Package to test the openlp.core.projectors.pjlink command routing.
"""
from unittest.mock import call, patch

import openlp.core.projectors.pjlink
from openlp.core.projectors.pjlinkcommands import process_command
from openlp.core.projectors.constants import E_AUTHENTICATION, E_PARAMETER, E_PROJECTOR, E_UNAVAILABLE, E_UNDEFINED, \
    S_DATA_OK, PJLINK_ERRORS, STATUS_MSG


@patch.object(openlp.core.projectors.pjlinkcommands, 'log')
def test_routing_command(mock_log, pjlink):
    """
    Test process_command receiving command not in function map
    """
    # GIVEN: Test setup
    log_warning_text = []
    log_debug_text = [call('({ip}) Processing command "CLSS" with data "1"'.format(ip=pjlink.name)),
                      call('({ip}) Calling function for CLSS'.format(ip=pjlink.name)),
                      call('({ip}) Setting pjlink_class for this projector to "1"'.format(ip=pjlink.name))]

    # WHEN: called with valid command and data
    chk = process_command(projector=pjlink, cmd='CLSS', data='1')

    # THEN: Appropriate log entries should have been made and methods called/not called
    mock_log.warning.assert_has_calls(log_warning_text)
    mock_log.debug.assert_has_calls(log_debug_text)
    assert (chk is None), 'process_clss() should have returned None'


@patch.object(openlp.core.projectors.pjlinkcommands, 'process_clss')
@patch.object(openlp.core.projectors.pjlinkcommands, 'pjlink_functions')
@patch.object(openlp.core.projectors.pjlinkcommands, 'log')
def test_routing_command_unknown(mock_log, mock_functions, mock_clss, pjlink):
    """
    Test process_command receiving command not in function map
    """
    # GIVEN: Test setup
    log_warning_text = [call('({ip}) Unable to process command="CLSS" '
                             '(Future option?)'.format(ip=pjlink.name))]
    log_debug_text = [call('({ip}) Processing command "CLSS" with data "?"'.format(ip=pjlink.name))]
    # Fake CLSS command is not in list
    mock_functions.__contains__.return_value = False

    # WHEN: called with unknown command
    process_command(projector=pjlink, cmd='CLSS', data='?')

    # THEN: Appropriate log entries should have been made and methods called/not called
    mock_log.warning.assert_has_calls(log_warning_text)
    mock_log.debug.assert_has_calls(log_debug_text)
    assert (mock_functions.__contains__.call_count == 1), 'pjlink_functions should have been accessed only once'
    assert (not mock_clss.called), 'Should not have called process_clss'


@patch.object(openlp.core.projectors.pjlink.PJLink, 'send_command')
@patch.object(openlp.core.projectors.pjlinkcommands, 'process_clss')
@patch.object(openlp.core.projectors.pjlinkcommands, 'log')
def test_routing_data_ok(mock_log, mock_clss, mock_send, pjlink):
    """
    Test process_command calls function and sets appropriate value(s) in projector instance
    """
    # GIVEN: Test setup
    log_debug_text = [call('({ip}) Processing command "CLSS" with data "OK"'.format(ip=pjlink.name)),
                      call('({ip}) Command "CLSS" returned OK'.format(ip=pjlink.name))
                      ]

    # WHEN: Command called with OK
    chk = process_command(projector=pjlink, cmd='CLSS', data='OK')

    # THEN: Appropriate log entries should have been made and methods called/not called
    mock_log.debug.asset_has_calls(log_debug_text)
    mock_send.assert_not_called()
    mock_clss.assert_not_called()
    assert (chk == S_DATA_OK), 'Should have returned S_DATA_OK'


@patch.object(openlp.core.projectors.pjlinkcommands, 'log')
def test_routing_pjink_err1(mock_log, pjlink):
    """
    Test rouing when PJLink ERR1 received
    """
    # GIVEN: Test setup
    err_code = E_UNDEFINED
    err_msg = STATUS_MSG[err_code]
    err_str = PJLINK_ERRORS[err_code]

    log_error_text = [call('({ip}) CLSS: {err}'.format(ip=pjlink.name, err=err_msg))]
    log_debug_text = [call('({ip}) Processing command "CLSS" with data "{err}"'.format(ip=pjlink.name,
                                                                                       err=err_str))]

    # WHEN: routing called
    chk = process_command(projector=pjlink, cmd='CLSS', data=err_str)

    # THEN: Appropriate log entries should have been made and methods called/not called
    mock_log.error.assert_has_calls(log_error_text)
    mock_log.debug.assert_has_calls(log_debug_text)
    assert (chk == err_code), 'Should have returned {err}'.format(err=PJLINK_ERRORS[err_code])


@patch.object(openlp.core.projectors.pjlinkcommands, 'log')
def test_routing_pjink_err2(mock_log, pjlink):
    """
    Test rouing when PJLink ERR2 received
    """
    # GIVEN: Test setup
    err_code = E_PARAMETER
    err_msg = STATUS_MSG[err_code]
    err_str = PJLINK_ERRORS[err_code]

    log_error_text = [call('({ip}) CLSS: {err}'.format(ip=pjlink.name, err=err_msg))]
    log_debug_text = [call('({ip}) Processing command "CLSS" with data "{err}"'.format(ip=pjlink.name,
                                                                                       err=err_str))]

    # WHEN: routing called
    chk = process_command(projector=pjlink, cmd='CLSS', data=err_str)

    # THEN: Appropriate log entries should have been made and methods called/not called
    mock_log.error.assert_has_calls(log_error_text)
    mock_log.debug.assert_has_calls(log_debug_text)
    assert (chk == err_code), 'Should have returned {err}'.format(err=PJLINK_ERRORS[err_code])


@patch.object(openlp.core.projectors.pjlinkcommands, 'log')
def test_routing_pjink_err3(mock_log, pjlink):
    """
    Test rouing when PJLink ERR3 received
    """
    # GIVEN: Test setup
    err_code = E_UNAVAILABLE
    err_msg = STATUS_MSG[err_code]
    err_str = PJLINK_ERRORS[err_code]

    log_error_text = [call('({ip}) CLSS: {err}'.format(ip=pjlink.name, err=err_msg))]
    log_debug_text = [call('({ip}) Processing command "CLSS" with data "{err}"'.format(ip=pjlink.name,
                                                                                       err=err_str))]

    # WHEN: routing called
    chk = process_command(projector=pjlink, cmd='CLSS', data=err_str)

    # THEN: Appropriate log entries should have been made and methods called/not called
    mock_log.error.assert_has_calls(log_error_text)
    mock_log.debug.assert_has_calls(log_debug_text)
    assert (chk == err_code), 'Should have returned {err}'.format(err=PJLINK_ERRORS[err_code])


@patch.object(openlp.core.projectors.pjlinkcommands, 'log')
def test_routing_pjink_err4(mock_log, pjlink):
    """
    Test rouing when PJLink ERR4 received
    """
    # GIVEN: Test setup
    err_code = E_PROJECTOR
    err_msg = STATUS_MSG[err_code]
    err_str = PJLINK_ERRORS[err_code]

    log_error_text = [call('({ip}) CLSS: {err}'.format(ip=pjlink.name, err=err_msg))]
    log_debug_text = [call('({ip}) Processing command "CLSS" with data "{err}"'.format(ip=pjlink.name,
                                                                                       err=err_str))]

    # WHEN: routing called
    chk = process_command(projector=pjlink, cmd='CLSS', data=err_str)

    # THEN: Appropriate log entries should have been made and methods called/not called
    mock_log.error.assert_has_calls(log_error_text)
    mock_log.debug.assert_has_calls(log_debug_text)
    assert (chk == err_code), 'Should have returned {err}'.format(err=PJLINK_ERRORS[err_code])


@patch.object(openlp.core.projectors.pjlinkcommands, 'log')
def test_routing_pjink_errA(mock_log, pjlink):
    """
    Test rouing when PJLink ERRA received
    """
    # GIVEN: Test setup
    err_code = E_AUTHENTICATION
    err_msg = STATUS_MSG[err_code]
    err_str = PJLINK_ERRORS[err_code]

    log_error_text = [call('({ip}) CLSS: {err}'.format(ip=pjlink.name, err=err_msg))]
    log_debug_text = [call('({ip}) Processing command "CLSS" with data "{err}"'.format(ip=pjlink.name,
                                                                                       err=err_str))]

    # WHEN: routing called
    chk = process_command(projector=pjlink, cmd='CLSS', data=err_str)

    # THEN: Appropriate log entries should have been made and methods called/not called
    mock_log.error.assert_has_calls(log_error_text)
    mock_log.debug.assert_has_calls(log_debug_text)
    assert (chk == err_code), 'Should have returned {err}'.format(err=PJLINK_ERRORS[err_code])