#!/usr/bin/env python3
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import unittest

import mle
import thread_cert
import config

LEADER = 1
SSED_1 = 2

CSL_PERIOD = 500 * 1000  # 0.5 in usec
CSL_TIMEOUT = 30  # 30s


class SSED_SingleProbe(thread_cert.TestCase):
    TOPOLOGY = {
        LEADER: {
            'version': '1.2',
        },
        SSED_1: {
            'version': '1.2',
            'mode': '-',
        },
    }
    """All nodes are created with default configurations"""

    def test(self):

        self.nodes[SSED_1].set_csl_period(CSL_PERIOD)
        self.nodes[SSED_1].set_csl_timeout(CSL_TIMEOUT)

        self.nodes[LEADER].start()
        self.simulator.go(config.LEADER_STARTUP_DELAY)
        self.assertEqual(self.nodes[LEADER].get_state(), 'leader')

        self.nodes[SSED_1].start()
        self.simulator.go(7)
        self.assertEqual(self.nodes[SSED_1].get_state(), 'child')

        leader_addr = self.nodes[LEADER].get_linklocal()

        leader_messages = self.simulator.get_messages_sent_by(LEADER)

        # SSED_1 sends a Single Probe Link Metrics for L2 PDU count using MLE Data Request
        result = self.nodes[SSED_1].link_metrics_request_single_probe(leader_addr, 'p')
        self.assertIn('PDU Counter', result)
        self.assertEqual(len(result), 1)

        leader_messages = self.simulator.get_messages_sent_by(LEADER)
        msg = leader_messages.next_mle_message(mle.CommandType.DATA_RESPONSE)
        msg.assertMleMessageContainsTlv(mle.LinkMetricsReport)

        # SSED_1 sends a Single Probe Link Metrics for L2 LQI using MLE Data Request
        result = self.nodes[SSED_1].link_metrics_request_single_probe(leader_addr, 'q')
        self.assertIn('LQI', result)
        self.assertEqual(len(result), 1)

        leader_messages = self.simulator.get_messages_sent_by(LEADER)
        msg = leader_messages.next_mle_message(mle.CommandType.DATA_RESPONSE)
        msg.assertMleMessageContainsTlv(mle.LinkMetricsReport)

        # SSED_1 sends a Single Probe Link Metrics for Link Margin using MLE Data Request
        result = self.nodes[SSED_1].link_metrics_request_single_probe(leader_addr, 'm')
        self.assertIn('Margin', result)
        self.assertEqual(len(result), 1)

        leader_messages = self.simulator.get_messages_sent_by(LEADER)
        msg = leader_messages.next_mle_message(mle.CommandType.DATA_RESPONSE)
        msg.assertMleMessageContainsTlv(mle.LinkMetricsReport)

        # SSED_1 sends a Single Probe Link Metrics for Link Margin using MLE Data Request
        result = self.nodes[SSED_1].link_metrics_request_single_probe(leader_addr, 'r')
        self.assertIn('RSSI', result)
        self.assertEqual(len(result), 1)

        leader_messages = self.simulator.get_messages_sent_by(LEADER)
        msg = leader_messages.next_mle_message(mle.CommandType.DATA_RESPONSE)
        msg.assertMleMessageContainsTlv(mle.LinkMetricsReport)

        # SSED_1 sends a Single Probe Link Metrics for all metrics using MLE Data Request
        result = self.nodes[SSED_1].link_metrics_request_single_probe(leader_addr, 'pqmr')
        self.assertIn('PDU Counter', result)
        self.assertIn('LQI', result)
        self.assertIn('Margin', result)
        self.assertIn('RSSI', result)
        self.assertEqual(len(result), 4)

        leader_messages = self.simulator.get_messages_sent_by(LEADER)
        msg = leader_messages.next_mle_message(mle.CommandType.DATA_RESPONSE)
        msg.assertMleMessageContainsTlv(mle.LinkMetricsReport)

        self.assertTrue(self.nodes[LEADER].ping(self.nodes[SSED_1].get_rloc()))


if __name__ == '__main__':
    unittest.main()