# MIT License
#
# Copyright (c) 2020 Airbyte
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in all
# copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
# SOFTWARE.


import json
import tempfile
from pathlib import Path
from typing import Any, Mapping, MutableMapping

import pytest
from airbyte_cdk import AirbyteConnectionStatus, ConfiguredAirbyteCatalog
from airbyte_cdk.base_python import AirbyteLogger
from airbyte_cdk.base_python.integration import AirbyteSpec, Integration, Source


class TestAirbyteSpec:
    VALID_SPEC = {
        "documentationUrl": "https://google.com",
        "connectionSpecification": {
            "type": "object",
            "required": ["api_token"],
            "additionalProperties": False,
            "properties": {"api_token": {"type": "string"}},
        },
    }

    def test_from_file(self):
        expected = self.VALID_SPEC
        with tempfile.NamedTemporaryFile("w") as f:
            f.write(json.dumps(self.VALID_SPEC))
            f.flush()
            actual = AirbyteSpec.from_file(f.name)
            assert expected == json.loads(actual.spec_string)

    def test_from_file_nonexistent(self):
        with pytest.raises(OSError):
            AirbyteSpec.from_file("/tmp/i do not exist")


class MockIntegration(Integration):
    def check(self, logger: AirbyteLogger, config: Mapping[str, Any]) -> AirbyteConnectionStatus:
        pass


class TestIntegration:
    mock_config = {"bogus": "file"}

    @pytest.fixture
    def nonempty_file(self):
        with tempfile.NamedTemporaryFile("w") as file:
            file.write(json.dumps(self.mock_config))
            file.flush()
            yield file

    @pytest.fixture
    def integration(self):
        return MockIntegration()

    def test_read_config(self, nonempty_file, integration: Integration):
        actual = integration.read_config(nonempty_file.name)
        assert self.mock_config == actual

    def test_write_config(self, integration):
        config_path = Path(tempfile.gettempdir()) / "config.json"
        integration.write_config(self.mock_config, config_path)
        with open(config_path, "r") as actual:
            assert self.mock_config == json.loads(actual.read())


class MockSource(Source):
    def read(
        self, logger: AirbyteLogger, config: Mapping[str, Any], catalog: ConfiguredAirbyteCatalog, state: MutableMapping[str, Any] = None
    ):
        pass

    def check(self, logger: AirbyteLogger, config: Mapping[str, Any]):
        pass

    def discover(self, logger: AirbyteLogger, config: Mapping[str, Any]):
        pass


class TestSource:
    @pytest.fixture
    def source(self):
        return MockSource()

    def test_read_state(self, source):
        state = {"updated_at": "yesterday"}

        with tempfile.NamedTemporaryFile("w") as state_file:
            state_file.write(json.dumps(state))
            state_file.flush()
            actual = source.read_state(state_file.name)
            assert state == actual

    def test_read_state_nonexistent(self, source):
        assert {} == source.read_state("")

    def test_read_catalog(self, source):
        configured_catalog = {
            "streams": [
                {
                    "stream": {"name": "mystream", "json_schema": {"type": "object", "properties": {"k": "v"}}},
                    "destination_sync_mode": "overwrite",
                    "sync_mode": "full_refresh",
                }
            ]
        }
        expected = ConfiguredAirbyteCatalog.parse_obj(configured_catalog)
        with tempfile.NamedTemporaryFile("w") as catalog_file:
            catalog_file.write(expected.json(exclude_unset=True))
            catalog_file.flush()
            actual = source.read_catalog(catalog_file.name)
            assert actual == expected