
import re
import tempfile
from pathlib import Path

import pytest
import yaml

from datasets.utils.readme import ReadMe


# @pytest.fixture
# def example_yaml_structure():

_lowerCamelCase	:    str          =      yaml.safe_load(
    '''\
name: ""
allow_empty: false
allow_empty_text: true
subsections:
  - name: "Dataset Card for X" # First-level markdown heading
    allow_empty: false
    allow_empty_text: true
    subsections:
      - name: "Table of Contents"
        allow_empty: false
        allow_empty_text: false
        subsections: null
      - name: "Dataset Description"
        allow_empty: false
        allow_empty_text: false
        subsections:
          - name: "Dataset Summary"
            allow_empty: false
            allow_empty_text: false
            subsections: null
          - name: "Supported Tasks and Leaderboards"
            allow_empty: true
            allow_empty_text: true
            subsections: null
          - name: Languages
            allow_empty: false
            allow_empty_text: true
            subsections: null
'''
)


_lowerCamelCase	:    Optional[int]          =      {
    '''name''': '''root''',
    '''text''': '''''',
    '''is_empty_text''': True,
    '''subsections''': [
        {
            '''name''': '''Dataset Card for My Dataset''',
            '''text''': '''''',
            '''is_empty_text''': True,
            '''subsections''': [
                {'''name''': '''Table of Contents''', '''text''': '''Some text here.''', '''is_empty_text''': False, '''subsections''': []},
                {
                    '''name''': '''Dataset Description''',
                    '''text''': '''Some text here.''',
                    '''is_empty_text''': False,
                    '''subsections''': [
                        {
                            '''name''': '''Dataset Summary''',
                            '''text''': '''Some text here.''',
                            '''is_empty_text''': False,
                            '''subsections''': [],
                        },
                        {
                            '''name''': '''Supported Tasks and Leaderboards''',
                            '''text''': '''''',
                            '''is_empty_text''': True,
                            '''subsections''': [],
                        },
                        {'''name''': '''Languages''', '''text''': '''Language Text''', '''is_empty_text''': False, '''subsections''': []},
                    ],
                },
            ],
        }
    ],
}


_lowerCamelCase	:    Any          =      '''\
---
language:
- zh
- en
---

# Dataset Card for My Dataset
## Table of Contents
Some text here.
## Dataset Description
Some text here.
### Dataset Summary
Some text here.
### Supported Tasks and Leaderboards
### Languages
Language Text
'''


_lowerCamelCase	:    Tuple          =      '''\
---
language:
- zh
- en
---

# Dataset Card for My Dataset
## Table of Contents
Some text here.
## Dataset Description
Some text here.
### Dataset Summary
Some text here.
#### Extra Ignored Subsection
### Supported Tasks and Leaderboards
### Languages
Language Text
'''

_lowerCamelCase	:    int          =      {
    '''name''': '''root''',
    '''text''': '''''',
    '''is_empty_text''': True,
    '''subsections''': [
        {
            '''name''': '''Dataset Card for My Dataset''',
            '''text''': '''''',
            '''is_empty_text''': True,
            '''subsections''': [
                {'''name''': '''Table of Contents''', '''text''': '''Some text here.''', '''is_empty_text''': False, '''subsections''': []},
                {
                    '''name''': '''Dataset Description''',
                    '''text''': '''Some text here.''',
                    '''is_empty_text''': False,
                    '''subsections''': [
                        {
                            '''name''': '''Dataset Summary''',
                            '''text''': '''Some text here.''',
                            '''is_empty_text''': False,
                            '''subsections''': [
                                {
                                    '''name''': '''Extra Ignored Subsection''',
                                    '''text''': '''''',
                                    '''is_empty_text''': True,
                                    '''subsections''': [],
                                }
                            ],
                        },
                        {
                            '''name''': '''Supported Tasks and Leaderboards''',
                            '''text''': '''''',
                            '''is_empty_text''': True,
                            '''subsections''': [],
                        },
                        {'''name''': '''Languages''', '''text''': '''Language Text''', '''is_empty_text''': False, '''subsections''': []},
                    ],
                },
            ],
        }
    ],
}

_lowerCamelCase	:    Optional[int]          =      '''\
---
---
# Dataset Card for My Dataset
## Table of Contents
Some text here.
## Dataset Description
Some text here.
### Dataset Summary
Some text here.
### Supported Tasks and Leaderboards
### Languages
Language Text
'''

_lowerCamelCase	:    Union[str, Any]          =      (
    '''The following issues were found for the README at `{path}`:\n-\tEmpty YAML markers are present in the README.'''
)

_lowerCamelCase	:    Optional[int]          =      '''\
# Dataset Card for My Dataset
## Table of Contents
Some text here.
## Dataset Description
Some text here.
### Dataset Summary
Some text here.
### Supported Tasks and Leaderboards
### Languages
Language Text
'''

_lowerCamelCase	:    List[Any]          =      (
    '''The following issues were found for the README at `{path}`:\n-\tNo YAML markers are present in the README.'''
)

_lowerCamelCase	:    List[Any]          =      '''\
---
# Dataset Card for My Dataset
## Table of Contents
Some text here.
## Dataset Description
Some text here.
### Dataset Summary
Some text here.
### Supported Tasks and Leaderboards
### Languages
Language Text
'''

_lowerCamelCase	:    str          =      '''The following issues were found for the README at `{path}`:\n-\tOnly the start of YAML tags present in the README.'''

_lowerCamelCase	:    Optional[Any]          =      '''\
---
language:
- zh
- en
---

# Dataset Card for My Dataset
## Table of Contents
Some text here.
## Dataset Description
Some text here.
### Dataset Summary
### Supported Tasks and Leaderboards
### Languages
Language Text
'''
_lowerCamelCase	:    Optional[int]          =      '''The following issues were found for the README at `{path}`:\n-\tExpected some content in section `Dataset Summary` but it is empty.\n-\tExpected some text in section `Dataset Summary` but it is empty (text in subsections are ignored).'''


_lowerCamelCase	:    Any          =      '''\
---
language:
- zh
- en
---

# Dataset Card for My Dataset
'''
_lowerCamelCase	:    List[str]          =      '''The following issues were found for the README at `{path}`:\n-\tExpected some content in section `Dataset Card for My Dataset` but it is empty.\n-\tSection `Dataset Card for My Dataset` expected the following subsections: `Table of Contents`, `Dataset Description`. Found \'None\'.'''

_lowerCamelCase	:    Dict          =      '''\
---
language:
- zh
- en
---

# Dataset Card for My Dataset
## Table of Contents
Some text here.
## Dataset Description
Some text here.
### Dataset Summary
Some text here.
### Languages
Language Text
'''

_lowerCamelCase	:    Any          =      '''The following issues were found for the README at `{path}`:\n-\tSection `Dataset Description` is missing subsection: `Supported Tasks and Leaderboards`.'''


_lowerCamelCase	:    List[str]          =      '''\
---
language:
- zh
- en
---

# Dataset Card for My Dataset
## Table of Contents
Some text here.
## Dataset Description
Some text here.
### Dataset Summary
Some text here.
### Supported Tasks and Leaderboards
### Languages
'''

_lowerCamelCase	:    Tuple          =      '''The following issues were found for the README at `{path}`:\n-\tExpected some content in section `Languages` but it is empty.'''

_lowerCamelCase	:    Tuple          =      '''\
---
language:
- zh
- en
---

## Table of Contents
Some text here.
## Dataset Description
Some text here.
### Dataset Summary
Some text here.
### Supported Tasks and Leaderboards
### Languages
Language Text
'''
_lowerCamelCase	:    Union[str, Any]          =      '''The following issues were found for the README at `{path}`:\n-\tThe README has no first-level headings. One heading is expected. Skipping further validation for this README.'''

_lowerCamelCase	:    Any          =      '''\
---
language:
- zh
- en
---

# Dataset Card for My Dataset
## Table of Contents
Some text here.
## Dataset Description
Some text here.
### Dataset Summary
Some text here.
### Supported Tasks and Leaderboards
### Languages
Language Text
# Dataset Card My Dataset
'''

_lowerCamelCase	:    Dict          =      '''The following issues were found for the README at `{path}`:\n-\tThe README has several first-level headings: `Dataset Card for My Dataset`, `Dataset Card My Dataset`. Only one heading is expected. Skipping further validation for this README.'''

_lowerCamelCase	:    str          =      '''\
---
language:
- zh
- en
---

# Dataset Card My Dataset
## Table of Contents
Some text here.
## Dataset Description
Some text here.
### Dataset Summary
Some text here.
### Supported Tasks and Leaderboards
### Languages
Language Text
'''

_lowerCamelCase	:    Dict          =      '''The following issues were found for the README at `{path}`:\n-\tNo first-level heading starting with `Dataset Card for` found in README. Skipping further validation for this README.'''

_lowerCamelCase	:    Any          =      ''''''

_lowerCamelCase	:    Optional[int]          =      '''The following issues were found for the README at `{path}`:\n-\tThe README has no first-level headings. One heading is expected. Skipping further validation for this README.\n-\tNo YAML markers are present in the README.'''

_lowerCamelCase	:    Dict          =      '''\
---
language:
- zh
- en
---

# Dataset Card for My Dataset
# Dataset Card for My Dataset
## Table of Contents
Some text here.
## Dataset Description
Some text here.
### Dataset Summary
Some text here.
### Supported Tasks and Leaderboards
### Languages
Language Text
'''

_lowerCamelCase	:    Tuple          =      '''The following issues were found while parsing the README at `{path}`:\n-\tMultiple sections with the same heading `Dataset Card for My Dataset` have been found. Please keep only one of these sections.'''






@pytest.mark.parametrize(
    'readme_md, expected_dict'	, [
        (README_CORRECT, CORRECT_DICT),
        (README_CORRECT_FOUR_LEVEL, CORRECT_DICT_FOUR_LEVEL),
    ]	, )
def 	a_		(	__lowercase       :     Union[str, Any]	, __lowercase       :     str			)			->  str:
			assert ReadMe.from_string(__lowercase	, __lowercase			).to_dict() == expected_dict






@pytest.mark.parametrize(
    'readme_md, expected_error'	, [
        (README_NO_YAML, EXPECTED_ERROR_README_NO_YAML),
        (README_EMPTY_YAML, EXPECTED_ERROR_README_EMPTY_YAML),
        (README_INCORRECT_YAML, EXPECTED_ERROR_README_INCORRECT_YAML),
        (README_EMPTY, EXPECTED_ERROR_README_EMPTY),
        (README_NONE_SUBSECTION, EXPECTED_ERROR_README_NONE_SUBSECTION),
        (README_MISSING_FIRST_LEVEL, EXPECTED_ERROR_README_MISSING_FIRST_LEVEL),
        (README_MISSING_SUBSECTION, EXPECTED_ERROR_README_MISSING_SUBSECTION),
        (README_MISSING_TEXT, EXPECTED_ERROR_README_MISSING_TEXT),
        (README_WRONG_FIRST_LEVEL, EXPECTED_ERROR_README_WRONG_FIRST_LEVEL),
        (README_MULTIPLE_WRONG_FIRST_LEVEL, EXPECTED_ERROR_README_MULTIPLE_WRONG_FIRST_LEVEL),
        (README_MISSING_CONTENT, EXPECTED_ERROR_README_MISSING_CONTENT),
    ]	, )
def 	a_		(	__lowercase       :     Any	, __lowercase       :     Tuple			)			->  int:
			with pytest.raises(__lowercase	, match=re.escape(expected_error.format(path='root'			)			)			):
						_snake_case          =      ReadMe.from_string(__lowercase	, __lowercase			)
						readme.validate()






@pytest.mark.parametrize(
    'readme_md, expected_error'	, [
        (README_MULTIPLE_SAME_HEADING_1, EXPECTED_ERROR_README_MULTIPLE_SAME_HEADING_1),
    ]	, )
def 	a_		(	__lowercase       :     List[Any]	, __lowercase       :     int			)			->  List[Any]:
			with pytest.raises(__lowercase	, match=re.escape(expected_error.format(path='root'			)			)			):
						ReadMe.from_string(__lowercase	, __lowercase			)






@pytest.mark.parametrize(
    'readme_md,'	, [
        (README_MULTIPLE_SAME_HEADING_1),
    ]	, )
def 	a_		(	__lowercase       :     Optional[int]			)			->  Optional[Any]:
			ReadMe.from_string(__lowercase	, __lowercase	, suppress_parsing_errors=__lowercase			)






@pytest.mark.parametrize(
    'readme_md, expected_dict'	, [
        (README_CORRECT, CORRECT_DICT),
        (README_CORRECT_FOUR_LEVEL, CORRECT_DICT_FOUR_LEVEL),
    ]	, )
def 	a_		(	__lowercase       :     Any	, __lowercase       :     Optional[int]			)			->  Optional[Any]:
			with tempfile.TemporaryDirectory() as tmp_dir:
						_snake_case          =      Path(__lowercase			) / 'README.md'
						with open(__lowercase	, 'w+'			) as readme_file:
									readme_file.write(__lowercase			)
						_snake_case          =      ReadMe.from_readme(__lowercase	, __lowercase			).to_dict()
						assert out["name"] == path
						assert out["text"] == ""
						assert out["is_empty_text"]
						assert out["subsections"] == expected_dict["subsections"]






@pytest.mark.parametrize(
    'readme_md, expected_error'	, [
        (README_NO_YAML, EXPECTED_ERROR_README_NO_YAML),
        (README_EMPTY_YAML, EXPECTED_ERROR_README_EMPTY_YAML),
        (README_INCORRECT_YAML, EXPECTED_ERROR_README_INCORRECT_YAML),
        (README_EMPTY, EXPECTED_ERROR_README_EMPTY),
        (README_NONE_SUBSECTION, EXPECTED_ERROR_README_NONE_SUBSECTION),
        (README_MISSING_FIRST_LEVEL, EXPECTED_ERROR_README_MISSING_FIRST_LEVEL),
        (README_MISSING_SUBSECTION, EXPECTED_ERROR_README_MISSING_SUBSECTION),
        (README_MISSING_TEXT, EXPECTED_ERROR_README_MISSING_TEXT),
        (README_WRONG_FIRST_LEVEL, EXPECTED_ERROR_README_WRONG_FIRST_LEVEL),
        (README_MULTIPLE_WRONG_FIRST_LEVEL, EXPECTED_ERROR_README_MULTIPLE_WRONG_FIRST_LEVEL),
        (README_MISSING_CONTENT, EXPECTED_ERROR_README_MISSING_CONTENT),
    ]	, )
def 	a_		(	__lowercase       :     str	, __lowercase       :     Dict			)			->  Optional[Any]:
			with tempfile.TemporaryDirectory() as tmp_dir:
						_snake_case          =      Path(__lowercase			) / 'README.md'
						with open(__lowercase	, 'w+'			) as readme_file:
									readme_file.write(__lowercase			)
						_snake_case          =      expected_error.format(path=__lowercase			)
						with pytest.raises(__lowercase	, match=re.escape(__lowercase			)			):
									_snake_case          =      ReadMe.from_readme(__lowercase	, __lowercase			)
									readme.validate()






@pytest.mark.parametrize(
    'readme_md, expected_error'	, [
        (README_MULTIPLE_SAME_HEADING_1, EXPECTED_ERROR_README_MULTIPLE_SAME_HEADING_1),
    ]	, )
def 	a_		(	__lowercase       :     Dict	, __lowercase       :     List[Any]			)			->  List[Any]:
			with tempfile.TemporaryDirectory() as tmp_dir:
						_snake_case          =      Path(__lowercase			) / 'README.md'
						with open(__lowercase	, 'w+'			) as readme_file:
									readme_file.write(__lowercase			)
						_snake_case          =      expected_error.format(path=__lowercase			)
						with pytest.raises(__lowercase	, match=re.escape(__lowercase			)			):
									ReadMe.from_readme(__lowercase	, __lowercase			)






@pytest.mark.parametrize(
    'readme_md,'	, [
        (README_MULTIPLE_SAME_HEADING_1),
    ]	, )
def 	a_		(	__lowercase       :     Dict			)			->  Union[str, Any]:
			with tempfile.TemporaryDirectory() as tmp_dir:
						_snake_case          =      Path(__lowercase			) / 'README.md'
						with open(__lowercase	, 'w+'			) as readme_file:
									readme_file.write(__lowercase			)
						ReadMe.from_readme(__lowercase	, __lowercase	, suppress_parsing_errors=__lowercase			)

from functools import lru_cache






@lru_cache
def 	a_		(	__lowercase       :     int			)			->  int:
			if num < 0:
						raise ValueError('Number should not be negative.'			)

			return 1 if num in (0, 1) else num * factorial(num - 1			)


if __name__ == "__main__":
			import doctest

			doctest.testmod()