#  Copyright 2021 Collate
#  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.

"""
Profiler File Sink
"""
import json
from pathlib import Path

from metadata.config.common import ConfigModel
from metadata.ingestion.api.common import Entity, WorkflowContext
from metadata.ingestion.api.sink import Sink, SinkStatus
from metadata.orm_profiler.api.models import ProfilerResponse
from metadata.orm_profiler.utils import logger

logger = logger()


class FileSinkConfig(ConfigModel):
    filename: str


class FileSink(Sink[Entity]):
    config: FileSinkConfig
    report: SinkStatus

    def __init__(
        self,
        ctx: WorkflowContext,
        config: FileSinkConfig,
    ):
        super().__init__(ctx)
        self.config = config
        self.report = SinkStatus()

        fpath = Path(self.config.filename)

        # Build the path if it does not exist
        if not fpath.parent.is_dir():
            Path(self.config.filename).mkdir(parents=True, exist_ok=True)
        self.file = fpath.open("w")
        self.wrote_something = False

    @classmethod
    def create(cls, config_dict: dict, _, ctx: WorkflowContext):
        config = FileSinkConfig.parse_obj(config_dict)
        return cls(ctx, config)

    def write_record(self, record: ProfilerResponse) -> None:

        if self.wrote_something:
            self.file.write("\n")

        self.file.write(f"Profile for: {record.table.fullyQualifiedName}\n")
        self.file.write(f"{record.profile.json()}\n")

        if record.record_tests:
            self.file.write(f"\nTest results:\n")
            self.file.write(f"{record.record_tests.json()}\n")

        self.wrote_something = True
        self.report.records_written(record.table.fullyQualifiedName)

    def get_status(self):
        return self.report

    def close(self):
        self.file.write("\n]")
        self.file.close()
