#
# Copyright (c) 2020, Neptune Labs Sp. z o.o.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
import os
import unittest
from datetime import datetime

from neptune.new import ANONYMOUS, init
from neptune.new.envs import API_TOKEN_ENV_NAME, PROJECT_ENV_NAME
from neptune.new.exceptions import MetadataInconsistency, InactiveRunException
from neptune.new.types.atoms.float import Float
from neptune.new.types.atoms.string import String
from neptune.new.types.series import FloatSeries, StringSeries


class TestRun(unittest.TestCase):
    @classmethod
    def setUpClass(cls) -> None:
        os.environ[PROJECT_ENV_NAME] = "organization/project"
        os.environ[API_TOKEN_ENV_NAME] = ANONYMOUS

    def test_define(self):
        exp = init(mode="debug", flush_period=0.5)
        exp.define("some/path/value", Float(5), wait=True)
        self.assertEqual(exp.get_structure()["some"]["path"]["value"].fetch(), 5)

    def test_define_string(self):
        exp = init(mode="debug", flush_period=0.5)
        exp.define("some/path/value", String("Some string"), wait=True)
        self.assertEqual(
            exp.get_structure()["some"]["path"]["value"].fetch(), "Some string"
        )

    def test_define_few_variables(self):
        exp = init(mode="debug", flush_period=0.5)
        exp.define("some/path/num", Float(3))
        exp.define("some/path/text", String("Some text"), wait=True)
        self.assertEqual(exp.get_structure()["some"]["path"]["num"].fetch(), 3)
        self.assertEqual(
            exp.get_structure()["some"]["path"]["text"].fetch(), "Some text"
        )

    def test_define_conflict(self):
        exp = init(mode="debug", flush_period=0.5)
        exp.define("some/path/value", Float(5))
        with self.assertRaises(MetadataInconsistency):
            exp.define("some/path/value", Float(1))

    def test_pop(self):
        exp = init(mode="debug", flush_period=0.5)
        exp.define("some/path/num", Float(3))
        exp.define("some/path/text", String("Some text"))
        exp.pop("some/path/text")
        self.assertTrue("num" in exp.get_structure()["some"]["path"])
        self.assertTrue("text" not in exp.get_structure()["some"]["path"])

    def test_pop_namespace(self):
        exp = init(mode="debug", flush_period=0.5)
        exp.define("some/path/subpath/num", Float(3))
        exp.define("some/path/text", String("Some text"))
        exp.define("some/otherpath", Float(4))
        exp.pop("some/path")
        self.assertTrue("path" not in exp.get_structure()["some"])

    def test_run_as_handler(self):
        exp = init(mode="debug", flush_period=0.5)
        exp.define("some/path/num", Float(3))
        exp.define("some/path/text", String("Some text"))
        handler = exp["some/path"]
        exp.wait()
        self.assertEqual(handler["num"].fetch(), 3)
        self.assertEqual(handler["text"].fetch(), "Some text")

    def test_assign_dict(self):
        exp = init(mode="debug", flush_period=0.5)
        now = datetime.now()
        exp.assign(
            {
                "x": 5,
                "metadata": {"name": "Trol", "age": 376},
                "toys": StringSeries(["cudgel", "hat"]),
                "nested": {"nested": {"deep_secret": FloatSeries([13, 15])}},
                "simple_types": {
                    "int": 42,
                    "str": "imagine",
                    "float": 3.14,
                    "datetime": now,
                    "list": list(range(10)),
                },
            }
        )
        self.assertEqual(exp["x"].fetch(), 5)
        self.assertEqual(exp["metadata/name"].fetch(), "Trol")
        self.assertEqual(exp["metadata/age"].fetch(), 376)
        self.assertEqual(exp["toys"].fetch_last(), "hat")
        self.assertEqual(exp["nested/nested/deep_secret"].fetch_last(), 15)
        self.assertEqual(exp["simple_types/int"].fetch(), 42)
        self.assertEqual(exp["simple_types/str"].fetch(), "imagine")
        self.assertEqual(exp["simple_types/float"].fetch(), 3.14)
        self.assertEqual(
            exp["simple_types/datetime"].fetch(),
            now.replace(microsecond=1000 * int(now.microsecond / 1000)),
        )
        self.assertEqual(exp["simple_types/list"].fetch(), str(list(range(10))))

    def test_assign_false(self):
        # https://github.com/neptune-ai/neptune-client/issues/555
        exp = init(mode="debug")
        exp["params"] = {"predictor.cheat": False}

        self.assertFalse(exp["params/predictor.cheat"].fetch())

    def test_assign_copy(self):
        exp = init(mode="debug")
        now = datetime.now()
        test_values = [
            ("num", 42),
            ("str", "Bat'leth"),
            ("float", 63.2),
            ("bool", True),
            ("datetime", now.replace(microsecond=1000 * int(now.microsecond / 1000))),
        ]
        for attr_name, attr_value in test_values:
            exp[f"some/path/{attr_name}"] = attr_value
            exp[f"copied/{attr_name}"] = exp[f"some/path/{attr_name}"]

        exp.wait()

        for attr_name, attr_value in test_values:
            self.assertEqual(attr_value, exp[f"copied/{attr_name}"].fetch())

    def test_assign_copy_to_existing(self):
        exp = init(mode="debug")
        exp["some/path/num"] = 42
        exp["copied/path"] = 54
        exp["copied/path"] = exp["some/path/num"]
        exp.wait()
        self.assertEqual(42, exp["copied/path"].fetch())

    def test_assign_copy_from_nonexistent(self):
        exp = init(mode="debug")
        with self.assertRaises(Exception) as e:
            exp["copied/path"] = exp["some/path/num"]
        self.assertEqual("NoneType doesn't support copying", str(e.exception))

    def test_access_blocked_after_stop(self):
        exp = init(mode="debug")
        exp["attr1"] = 1

        exp.stop()

        with self.assertRaises(InactiveRunException):
            exp["attr1"].fetch()
        with self.assertRaises(InactiveRunException):
            exp["attr2"] = 2
        with self.assertRaises(InactiveRunException):
            exp["series"].log(1)
