#!/usr/bin/env python3
#
#  Copyright (c) 2020, The OpenThread Authors.
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import urllib.request
import urllib.error
import ipaddress
import json
import re
from threading import Thread

rest_api_addr = "http://0.0.0.0:8081"


def assert_is_ipv6_address(string):
    assert (type(ipaddress.ip_address(string)) is ipaddress.IPv6Address)

def get_data_from_url(url, result, index):
    response = urllib.request.urlopen(urllib.request.Request(url))
    body = response.read()
    data = json.loads(body)
    result[index] = data


def get_error_from_url(url, result, index):
    try:
        urllib.request.urlopen(urllib.request.Request(url))
        assert False

    except urllib.error.HTTPError as e:
        result[index] = e


def create_multi_thread(func, url, thread_num, response_data):
    threads = [None] * thread_num

    for i in range(thread_num):
        threads[i] = Thread(target=func, args=(url, response_data, i))

    for thread in threads:
        thread.start()

    for thread in threads:
        thread.join()


def error404_check(data):
    assert data is not None

    assert (data.code == 404)

    return True


def diagnostics_check(data):
    assert data is not None

    if len(data) == 0:
        return 1
    for diag in data:
        expected_keys = [
            "ExtAddress", "Rloc16", "Mode", "Connectivity", "Route",
            "LeaderData", "NetworkData", "IP6AddressList", "MACCounters",
            "ChildTable", "ChannelPages"
        ]
        expected_value_type = [
            str, int, dict, dict, dict, dict, str, list, dict, list,
            str
        ]
        expected_check_dict = dict(zip(expected_keys, expected_value_type))

        for key, value in expected_check_dict.items():
            assert (key in diag)
            assert (type(diag[key]) == value)

        assert (re.match(r'^[A-F0-9]{16}$', diag["ExtAddress"]) is not None)

        mode = diag["Mode"]
        mode_expected_keys = [
            "RxOnWhenIdle", "DeviceType", "NetworkData"
        ]
        for key in mode_expected_keys:
            assert (key in mode)
            assert (type(mode[key]) == int)

        connectivity = diag["Connectivity"]
        connectivity_expected_keys = [
            "ParentPriority", "LinkQuality3", "LinkQuality2", "LinkQuality1",
            "LeaderCost", "IdSequence", "ActiveRouters", "SedBufferSize",
            "SedDatagramCount"
        ]
        for key in connectivity_expected_keys:
            assert (key in connectivity)
            assert (type(connectivity[key]) == int)

        route = diag["Route"]
        assert ("IdSequence" in route)
        assert (type(route["IdSequence"]) == int)

        assert ("RouteData" in route)
        route_routedata = route["RouteData"]
        assert (type(route["RouteData"]) == list)

        routedata_expected_keys = [
            "RouteId", "LinkQualityOut", "LinkQualityIn", "RouteCost"
        ]

        for item in route_routedata:
            for key in routedata_expected_keys:
                assert (key in item)
                assert (type(item[key]) == int)

        leaderdata = diag["LeaderData"]
        leaderdata_expected_keys = [
            "PartitionId", "Weighting", "DataVersion", "StableDataVersion",
            "LeaderRouterId"
        ]

        for key in leaderdata_expected_keys:
            assert (key in leaderdata)
            assert (type(leaderdata[key]) == int)

        assert (re.match(r'^[A-F0-9]{12}$', diag["NetworkData"]) is not None)

        ip6_address_list = diag["IP6AddressList"]
        assert (type(ip6_address_list) == list)

        for ip6_address in ip6_address_list:
            assert (type(ip6_address) == str)
            assert_is_ipv6_address(ip6_address)

        mac_counters = diag["MACCounters"]
        assert (type(mac_counters) == dict)
        mac_counters_expected_keys = [
            "IfInUnknownProtos", "IfInErrors", "IfOutErrors", "IfInUcastPkts",
            "IfInBroadcastPkts", "IfInDiscards", "IfOutUcastPkts",
            "IfOutBroadcastPkts", "IfOutDiscards"
        ]
        for key in mac_counters_expected_keys:
            assert (key in mac_counters)
            assert (type(mac_counters[key]) == int)

        child_table = diag["ChildTable"]
        assert (type(child_table) == list)

        for child in child_table:
            assert ("ChildId" in child)
            assert (type(child["ChildId"]) == int)
            assert ("Timeout" in child)
            assert (type(child["Timeout"]) == int)
            assert ("Mode" in child)
            mode = child["Mode"]
            assert (type(mode) == dict)
            for key in mode_expected_keys:
                assert (key in mode)
                assert (type(mode[key]) == int)

        assert (type(diag["ChannelPages"]) == str)
        assert (re.match(r'^[A-F0-9]{2}$', diag["ChannelPages"]) is not None)

    return 2


def node_check(data):
    assert data is not None

    expected_keys = [
        "State", "NumOfRouter", "RlocAddress", "NetworkName", "ExtAddress",
        "Rloc16", "LeaderData", "ExtPanId"
    ]
    expected_value_type = [
        int, int, str, str, str, int, dict, str
    ]
    expected_check_dict = dict(zip(expected_keys, expected_value_type))

    for key, value in expected_check_dict.items():
        assert (key in data)
        assert (type(data[key]) == value)

    assert_is_ipv6_address(data["RlocAddress"])

    assert (re.match(r'^[A-F0-9]{16}$', data["ExtAddress"]) is not None)
    assert (re.match(r'[A-F0-9]{16}', data["ExtPanId"]) is not None)

    leaderdata = data["LeaderData"]
    leaderdata_expected_keys = [
        "PartitionId", "Weighting", "DataVersion", "StableDataVersion",
        "LeaderRouterId"
    ]

    for key in leaderdata_expected_keys:
        assert (key in leaderdata)
        assert (type(leaderdata[key]) == int)

    return True


def node_rloc_check(data):
    assert data is not None

    assert (type(data) == str)

    assert_is_ipv6_address(data)

    return True


def node_rloc16_check(data):
    assert data is not None

    assert (type(data) == int)

    return True


def node_ext_address_check(data):
    assert data is not None

    assert (type(data) == str)
    assert (re.match(r'^[A-F0-9]{16}$', data) is not None)

    return True


def node_state_check(data):
    assert data is not None

    assert (type(data) == int)

    return True


def node_network_name_check(data):
    assert data is not None

    assert (type(data) == str)

    return True


def node_leader_data_check(data):
    assert data is not None

    assert (type(data) == dict)

    leaderdata_expected_keys = [
        "PartitionId", "Weighting", "DataVersion", "StableDataVersion",
        "LeaderRouterId"
    ]

    for key in leaderdata_expected_keys:
        assert (key in data)
        assert (type(data[key]) == int)

    return True


def node_num_of_router_check(data):
    assert data is not None

    assert (type(data) == int)

    return True


def node_ext_panid_check(data):
    assert data is not None

    assert (type(data) == str)

    return True


def node_test(thread_num):
    url = rest_api_addr + "/node"

    response_data = [None] * thread_num

    create_multi_thread(get_data_from_url, url, thread_num, response_data)

    valid = [node_check(data) for data in response_data].count(True)

    print(" /node : all {}, valid {} ".format(thread_num, valid))


def node_rloc_test(thread_num):
    url = rest_api_addr + "/node/rloc"

    response_data = [None] * thread_num

    create_multi_thread(get_data_from_url, url, thread_num, response_data)

    valid = [node_rloc_check(data) for data in response_data].count(True)

    print(" /node/rloc : all {}, valid {} ".format(thread_num, valid))


def node_rloc16_test(thread_num):
    url = rest_api_addr + "/node/rloc16"

    response_data = [None] * thread_num

    create_multi_thread(get_data_from_url, url, thread_num, response_data)

    valid = [node_rloc16_check(data) for data in response_data].count(True)

    print(" /node/rloc16 : all {}, valid {} ".format(thread_num, valid))


def node_ext_address_test(thread_num):
    url = rest_api_addr + "/node/ext-address"

    response_data = [None] * thread_num

    create_multi_thread(get_data_from_url, url, thread_num, response_data)

    valid = [node_ext_address_check(data) for data in response_data].count(True)

    print(" /node/ext-address : all {}, valid {} ".format(thread_num, valid))


def node_state_test(thread_num):
    url = rest_api_addr + "/node/state"

    response_data = [None] * thread_num

    create_multi_thread(get_data_from_url, url, thread_num, response_data)

    valid = [node_state_check(data) for data in response_data].count(True)

    print(" /node/state : all {}, valid {} ".format(thread_num, valid))


def node_network_name_test(thread_num):
    url = rest_api_addr + "/node/network-name"

    response_data = [None] * thread_num

    create_multi_thread(get_data_from_url, url, thread_num, response_data)

    valid = [node_network_name_check(data) for data in response_data
             ].count(True)

    print(" /node/network-name : all {}, valid {} ".format(thread_num, valid))


def node_leader_data_test(thread_num):
    url = rest_api_addr + "/node/leader-data"

    response_data = [None] * thread_num

    create_multi_thread(get_data_from_url, url, thread_num, response_data)

    valid = [node_leader_data_check(data) for data in response_data].count(True)

    print(" /node/leader-data : all {}, valid {} ".format(thread_num, valid))


def node_num_of_router_test(thread_num):
    url = rest_api_addr + "/node/num-of-router"

    response_data = [None] * thread_num

    create_multi_thread(get_data_from_url, url, thread_num, response_data)

    valid = [node_num_of_router_check(data) for data in response_data
             ].count(True)

    print(" /v1/node/num-of-router : all {}, valid {} ".format(thread_num, valid))


def node_ext_panid_test(thread_num):
    url = rest_api_addr + "/node/ext-panid"

    response_data = [None] * thread_num

    create_multi_thread(get_data_from_url, url, thread_num, response_data)

    valid = [node_ext_panid_check(data) for data in response_data].count(True)

    print(" /node/ext-panid : all {}, valid {} ".format(thread_num, valid))


def diagnostics_test(thread_num):
    url = rest_api_addr + "/diagnostics"

    response_data = [None] * thread_num

    create_multi_thread(get_data_from_url, url, thread_num, response_data)

    valid = 0
    has_content = 0
    for data in response_data:

        ret = diagnostics_check(data)
        if ret == 1:
            valid += 1
        elif ret == 2:
            valid += 1
            has_content += 1

    print(" /diagnostics : all {}, has content {}, valid {} ".format(
        thread_num, has_content, valid))


def error_test(thread_num):
    url = rest_api_addr + "/hello"

    response_data = [None] * thread_num

    create_multi_thread(get_error_from_url, url, thread_num, response_data)

    valid = [error404_check(data) for data in response_data].count(True)

    print(" /v1/hello : all {}, valid {} ".format(thread_num, valid))


def main():
    node_test(200)
    node_rloc_test(200)
    node_rloc16_test(200)
    node_ext_address_test(200)
    node_state_test(200)
    node_network_name_test(200)
    node_leader_data_test(200)
    node_num_of_router_test(200)
    node_ext_panid_test(200)
    diagnostics_test(20)
    error_test(10)

    return 0


if __name__ == '__main__':
    exit(main())