#!/usr/bin/env python3
#
#  Copyright (c) 2024, The OpenThread Authors.
#  All rights reserved.
#
#  Redistribution and use in source and binary forms, with or without
#  modification, are permitted provided that the following conditions are met:
#  1. Redistributions of source code must retain the above copyright
#     notice, this list of conditions and the following disclaimer.
#  2. Redistributions in binary form must reproduce the above copyright
#     notice, this list of conditions and the following disclaimer in the
#     documentation and/or other materials provided with the distribution.
#  3. Neither the name of the copyright holder nor the
#     names of its contributors may be used to endorse or promote products
#     derived from this software without specific prior written permission.
#
#  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
#  AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
#  IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
#  ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
#  LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
#  CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
#  SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
#  INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
#  CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
#  ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
#  POSSIBILITY OF SUCH DAMAGE.

from cli import verify
from cli import verify_within
import cli
import time

# -----------------------------------------------------------------------------------------------------------------------
# Test description:
#
# Validate CoaP secure agent related to the maximum number of allowed connection attempts before the socket is a
# automatically closed and the agent is stopped.
#
#
# Network topology
#
#    r1 ---- r2
#

test_name = __file__[:-3] if __file__.endswith('.py') else __file__
print('-' * 120)
print('Starting \'{}\''.format(test_name))

# -----------------------------------------------------------------------------------------------------------------------
# Creating `cli.Node` instances

speedup = 40
cli.Node.set_time_speedup_factor(speedup)

r1 = cli.Node()
r2 = cli.Node()

# -----------------------------------------------------------------------------------------------------------------------
# Form topology

r1.form('coaps-conn-lmt')
r2.join(r1)

verify(r1.get_state() == 'leader')
verify(r2.get_state() == 'router')

# -----------------------------------------------------------------------------------------------------------------------
# Test Implementation

r1.cli('coaps psk RIGHT 1234')

# Set max connection attempts to 3
r1.cli('coaps start 3')

r1_mleid = r1.get_mleid_ip_addr()

r2.cli('coaps psk WRONG 1234')
r2.cli('coaps start')

# First connection attempt
r2.cli('coaps connect', r1_mleid)
time.sleep(0.1)
verify(r1.cli('coaps isconnactive')[-1] == 'no')
verify(r1.cli('coaps isclosed')[-1] == 'no')

# Second connection attempt
r2.cli('coaps connect', r1_mleid)
time.sleep(0.1)
verify(r1.cli('coaps isconnactive')[-1] == 'no')
verify(r1.cli('coaps isclosed')[-1] == 'no')

# Third connection attempt
r2.cli('coaps connect', r1_mleid)
time.sleep(0.1)
verify(r1.cli('coaps isconnactive')[-1] == 'no')
verify(r1.cli('coaps isclosed')[-1] == 'yes')

# -----------------------------------------------------------------------------------------------------------------------
# Test finished

cli.Node.finalize_all_nodes()

print('\'{}\' passed.'.format(test_name))