import sys

from unittest import mock
from click.testing import CliRunner
from utilities_common.db import Db

sys.path.append('../cli/config/plugins/')
import macsec


profile_name = "test"
primary_cak = "01234567890123456789012345678912"
primary_ckn = "01234567890123456789012345678912"


class TestConfigMACsec(object):
    def test_plugin_registration(self):
        cli = mock.MagicMock()
        macsec.register(cli)
        cli.add_command.assert_called_once_with(macsec.macsec)

    def test_default_profile(self, mock_cfgdb):
        runner = CliRunner()
        db = Db()
        db.cfgdb = mock_cfgdb
        result = runner.invoke(macsec.macsec.commands["profile"].commands["add"],
                                [profile_name, "--primary_cak=" + primary_cak,"--primary_ckn=" + primary_ckn],
                                obj=db)
        assert result.exit_code == 0
        profile_table = db.cfgdb.get_entry("MACSEC_PROFILE", profile_name)
        assert profile_table
        assert profile_table["priority"] == "255"
        assert profile_table["cipher_suite"] == "GCM-AES-128"
        assert profile_table["primary_cak"] == primary_cak
        assert profile_table["primary_ckn"] == primary_ckn
        assert profile_table["policy"] == "security"
        assert "enable_replay_protect" not in profile_table
        assert "replay_window" not in profile_table
        assert profile_table["send_sci"] == "true"
        assert "rekey_period" not in profile_table

        result = runner.invoke(macsec.macsec.commands["profile"].commands["del"], [profile_name], obj=db)
        assert result.exit_code == 0, "exit code: {}, Exception: {}, Traceback: {}".format(result.exit_code, result.exception, result.exc_info)
        profile_table = db.cfgdb.get_entry("MACSEC_PROFILE", profile_name)
        assert not profile_table

    def test_macsec_valid_profile(self, mock_cfgdb):
        runner = CliRunner()
        db = Db()
        db.cfgdb = mock_cfgdb

        profile_name = "test"
        profile_map = {
            "primary_cak": "0123456789012345678901234567891201234567890123456789012345678912",
            "primary_ckn": "01234567890123456789012345678912",
            "priority": 64,
            "cipher_suite": "GCM-AES-XPN-256",
            "policy": "integrity_only",
            "enable_replay_protect": None,
            "replay_window": 100,
            "no_send_sci": None,
            "rekey_period": 30 * 60,
        }
        options = [profile_name]
        for k, v in profile_map.items():
            options.append("--" + k)
            if v is not None:
                options[-1] += "=" + str(v)

        result = runner.invoke(macsec.macsec.commands["profile"].commands["add"], options, obj=db)
        assert result.exit_code == 0, "exit code: {}, Exception: {}, Traceback: {}".format(result.exit_code, result.exception, result.exc_info)
        profile_table = db.cfgdb.get_entry("MACSEC_PROFILE", profile_name)
        assert profile_table
        assert profile_table["priority"] == str(profile_map["priority"])
        assert profile_table["cipher_suite"] == profile_map["cipher_suite"]
        assert profile_table["primary_cak"] == profile_map["primary_cak"]
        assert profile_table["primary_ckn"] == profile_map["primary_ckn"]
        assert profile_table["policy"] == profile_map["policy"]
        if "enable_replay_protect" in profile_map:
            assert "enable_replay_protect" in profile_table and profile_table["enable_replay_protect"] == "true"
            assert profile_table["replay_window"] == str(profile_map["replay_window"])
        if "send_sci" in profile_map:
            assert profile_table["send_sci"] == "true"
        if "no_send_sci" in profile_map:
            assert profile_table["send_sci"] == "false"
        if "rekey_period" in profile_map:
            assert profile_table["rekey_period"] == str(profile_map["rekey_period"])

    def test_macsec_invalid_profile(self, mock_cfgdb):
        runner = CliRunner()
        db = Db()
        db.cfgdb = mock_cfgdb

        # Loss primary cak and primary ckn
        result = runner.invoke(macsec.macsec.commands["profile"].commands["add"], ["test"], obj=db)
        assert result.exit_code != 0

        # Invalid primary cak
        result = runner.invoke(macsec.macsec.commands["profile"].commands["add"], ["test", "--primary_cak=abcdfghjk90123456789012345678912","--primary_ckn=01234567890123456789012345678912", "--cipher_suite=GCM-AES-128"], obj=db)
        assert result.exit_code != 0

        # Invalid primary cak length
        result = runner.invoke(macsec.macsec.commands["profile"].commands["add"], ["test", "--primary_cak=01234567890123456789012345678912","--primary_ckn=01234567890123456789012345678912", "--cipher_suite=GCM-AES-256"], obj=db)
        assert result.exit_code != 0


    def test_macsec_port(self, mock_cfgdb):
        runner = CliRunner()
        db = Db()
        db.cfgdb = mock_cfgdb

        result = runner.invoke(macsec.macsec.commands["profile"].commands["add"], ["test", "--primary_cak=01234567890123456789012345678912","--primary_ckn=01234567890123456789012345678912"], obj=db)
        assert result.exit_code == 0, "exit code: {}, Exception: {}, Traceback: {}".format(result.exit_code, result.exception, result.exc_info)
        result = runner.invoke(macsec.macsec.commands["port"].commands["add"], ["Ethernet0", "test"], obj=db)
        assert result.exit_code == 0, "exit code: {}, Exception: {}, Traceback: {}".format(result.exit_code, result.exception, result.exc_info)
        port_table = db.cfgdb.get_entry("PORT", "Ethernet0")
        assert port_table 
        assert port_table["macsec"] == "test"
        assert port_table["admin_status"] == "up"

        result = runner.invoke(macsec.macsec.commands["profile"].commands["del"], ["test"], obj=db)
        assert result.exit_code != 0

        result = runner.invoke(macsec.macsec.commands["port"].commands["del"], ["Ethernet0"], obj=db)
        assert result.exit_code == 0, "exit code: {}, Exception: {}, Traceback: {}".format(result.exit_code, result.exception, result.exc_info)
        port_table = db.cfgdb.get_entry("PORT", "Ethernet0")
        assert "macsec" not in port_table or not port_table["macsec"]
        assert port_table["admin_status"] == "up"


    def test_macsec_invalid_operation(self, mock_cfgdb):
        runner = CliRunner()
        db = Db()
        db.cfgdb = mock_cfgdb

        # Enable nonexisted profile 
        result = runner.invoke(macsec.macsec.commands["port"].commands["add"], ["Ethernet0", "test"], obj=db)
        assert result.exit_code != 0

        # Delete nonexisted profile
        result = runner.invoke(macsec.macsec.commands["profile"].commands["del"], ["test"], obj=db)
        assert result.exit_code != 0

        result = runner.invoke(macsec.macsec.commands["profile"].commands["add"], ["test", "--primary_cak=01234567890123456789012345678912","--primary_ckn=01234567890123456789012345678912"], obj=db)
        assert result.exit_code == 0, "exit code: {}, Exception: {}, Traceback: {}".format(result.exit_code, result.exception, result.exc_info)
        # Repeat add profile
        result = runner.invoke(macsec.macsec.commands["profile"].commands["add"], ["test", "--primary_cak=01234567890123456789012345678912","--primary_ckn=01234567890123456789012345678912"], obj=db)
        assert result.exit_code != 0