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#
#   http://www.apache.org/licenses/LICENSE-2.0
#
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import datetime
import math
from typing import Any

import pytest

from superset.utils.hashing import md5_sha_from_dict, md5_sha_from_str


def test_basic_md5_sha():
    obj = {
        "product": "Coffee",
        "company": "Gobias Industries",
        "price_in_cents": 4000,
    }

    serialized_obj = (
        '{"company": "Gobias Industries", "price_in_cents": 4000, "product": "Coffee"}'
    )

    assert md5_sha_from_str(serialized_obj) == md5_sha_from_dict(obj)
    assert md5_sha_from_str(serialized_obj) == "35f22273cd6a6798b04f8ddef51135e3"


def test_sort_order_md5_sha():
    obj_1 = {
        "product": "Coffee",
        "price_in_cents": 4000,
        "company": "Gobias Industries",
    }

    obj_2 = {
        "product": "Coffee",
        "company": "Gobias Industries",
        "price_in_cents": 4000,
    }

    assert md5_sha_from_dict(obj_1) == md5_sha_from_dict(obj_2)
    assert md5_sha_from_dict(obj_1) == "35f22273cd6a6798b04f8ddef51135e3"


def test_custom_default_md5_sha():
    def custom_datetime_serializer(obj: Any):
        if isinstance(obj, datetime.datetime):
            return "<datetime>"

    obj = {
        "product": "Coffee",
        "company": "Gobias Industries",
        "datetime": datetime.datetime.now(),
    }

    serialized_obj = '{"company": "Gobias Industries", "datetime": "<datetime>", "product": "Coffee"}'

    assert md5_sha_from_str(serialized_obj) == md5_sha_from_dict(
        obj, default=custom_datetime_serializer
    )
    assert md5_sha_from_str(serialized_obj) == "dc280121213aabcaeb8087aef268fd0d"


def test_ignore_nan_md5_sha():
    obj = {
        "product": "Coffee",
        "company": "Gobias Industries",
        "price": math.nan,
    }

    serialized_obj = (
        '{"company": "Gobias Industries", "price": NaN, "product": "Coffee"}'
    )

    assert md5_sha_from_str(serialized_obj) == md5_sha_from_dict(obj)
    assert md5_sha_from_str(serialized_obj) == "5d129d1dffebc0bacc734366476d586d"

    serialized_obj = (
        '{"company": "Gobias Industries", "price": null, "product": "Coffee"}'
    )

    assert md5_sha_from_str(serialized_obj) == md5_sha_from_dict(obj, ignore_nan=True)
    assert md5_sha_from_str(serialized_obj) == "40e87d61f6add03816bccdeac5713b9f"