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# 
# 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.
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import os
import os.path as osp
from collections import defaultdict, Counter

import json

from ...base import BaseDatasetChecker
from .dataset_src import check, split_dataset, deep_analyse

from ..support_models import SUPPORT_MODELS


class TextDetDatasetChecker(BaseDatasetChecker):
    """Dataset Checker for Text Detection Model
    """
    support_models = SUPPORT_MODELS

    def convert_dataset(self, src_dataset_dir: str) -> str:
        """convert the dataset from other type to specified type

        Args:
            src_dataset_dir (str): the root directory of dataset.

        Returns:
            str: the root directory of converted dataset.
        """
        return src_dataset_dir

    def split_dataset(self, src_dataset_dir: str) -> str:
        """repartition the train and validation dataset

        Args:
            src_dataset_dir (str): the root directory of dataset.

        Returns:
            str: the root directory of splited dataset.
        """
        return split_dataset(src_dataset_dir,
                             self.check_dataset_config.split.train_percent,
                             self.check_dataset_config.split.val_percent)

    def check_dataset(self, dataset_dir: str) -> dict:
        """check if the dataset meets the specifications and get dataset summary

        Args:
            dataset_dir (str): the root directory of dataset.
        Returns:
            dict: dataset summary.
        """
        return check(dataset_dir, self.global_config.output, sample_num=10)

    def analyse(self, dataset_dir: str) -> dict:
        """deep analyse dataset

        Args:
            dataset_dir (str): the root directory of dataset.

        Returns:
            dict: the deep analysis results.
        """
        return deep_analyse(dataset_dir, self.output_dir)

    def get_show_type(self) -> str:
        """get the show type of dataset

        Returns:
            str: show type
        """
        return "image"

    def get_dataset_type(self) -> str:
        """return the dataset type

        Returns:
            str: dataset type
        """
        return "TextDetDataset"