import re

from evaluation.benchmarks.testgeneval.constants import TestStatus


def parse_log_pytest(log: str) -> dict[str, str]:
    """Parser for test logs generated with PyTest framework

    Args:
        log (str): log content
    Returns:
        dict: test case to test status mapping
    """
    test_status_map = {}
    for line in log.split('\n'):
        if any([line.startswith(x.value) for x in TestStatus]):
            # Additional parsing for FAILED status
            if line.startswith(TestStatus.FAILED.value):
                line = line.replace(' - ', ' ')
            test_case = line.split()
            if len(test_case) <= 1:
                continue
            test_status_map[test_case[1]] = test_case[0]
    return test_status_map


def parse_log_pytest_options(log: str) -> dict[str, str]:
    """Parser for test logs generated with PyTest framework with options

    Args:
        log (str): log content
    Returns:
        dict: test case to test status mapping
    """
    option_pattern = re.compile(r'(.*?)\[(.*)\]')
    test_status_map = {}
    for line in log.split('\n'):
        if any([line.startswith(x.value) for x in TestStatus]):
            # Additional parsing for FAILED status
            if line.startswith(TestStatus.FAILED.value):
                line = line.replace(' - ', ' ')
            test_case = line.split()
            if len(test_case) <= 1:
                continue
            has_option = option_pattern.search(test_case[1])
            if has_option:
                main, option = has_option.groups()
                if (
                    option.startswith('/')
                    and not option.startswith('//')
                    and '*' not in option
                ):
                    option = '/' + option.split('/')[-1]
                test_name = f'{main}[{option}]'
            else:
                test_name = test_case[1]
            test_status_map[test_name] = test_case[0]
    return test_status_map


def parse_log_django(log: str) -> dict[str, str]:
    """Parser for test logs generated with Django tester framework

    Args:
        log (str): log content
    Returns:
        dict: test case to test status mapping
    """
    test_status_map = {}
    lines = log.split('\n')

    prev_test = None
    for line in lines:
        line = line.strip()

        # This isn't ideal but the test output spans multiple lines
        if '--version is equivalent to version' in line:
            test_status_map['--version is equivalent to version'] = (
                TestStatus.PASSED.value
            )

        # Log it in case of error
        if ' ... ' in line:
            prev_test = line.split(' ... ')[0]

        pass_suffixes = (' ... ok', ' ... OK', ' ...  OK')
        for suffix in pass_suffixes:
            if line.endswith(suffix):
                # TODO: Temporary, exclusive fix for django__django-7188
                # The proper fix should involve somehow getting the test results to
                # print on a separate line, rather than the same line
                if line.strip().startswith(
                    'Applying sites.0002_alter_domain_unique...test_no_migrations'
                ):
                    line = line.split('...', 1)[-1].strip()
                test = line.rsplit(suffix, 1)[0]
                test_status_map[test] = TestStatus.PASSED.value
                break
        if ' ... skipped' in line:
            test = line.split(' ... skipped')[0]
            test_status_map[test] = TestStatus.SKIPPED.value
        if line.endswith(' ... FAIL'):
            test = line.split(' ... FAIL')[0]
            test_status_map[test] = TestStatus.FAILED.value
        if line.startswith('FAIL:'):
            test = line.split()[1].strip()
            test_status_map[test] = TestStatus.FAILED.value
        if line.endswith(' ... ERROR'):
            test = line.split(' ... ERROR')[0]
            test_status_map[test] = TestStatus.ERROR.value
        if line.startswith('ERROR:'):
            test = line.split()[1].strip()
            test_status_map[test] = TestStatus.ERROR.value

        if line.lstrip().startswith('ok') and prev_test is not None:
            # It means the test passed, but there's some additional output (including new lines)
            # between "..." and "ok" message
            test = prev_test
            test_status_map[test] = TestStatus.PASSED.value

    # TODO: This is very brittle, we should do better
    # There's a bug in the django logger, such that sometimes a test output near the end gets
    # interrupted by a particular long multiline print statement.
    # We have observed this in one of 3 forms:
    # - "{test_name} ... Testing against Django installed in {*} silenced.\nok"
    # - "{test_name} ... Internal Server Error: \/(.*)\/\nok"
    # - "{test_name} ... System check identified no issues (0 silenced).\nok"
    patterns = [
        r'^(.*?)\s\.\.\.\sTesting\ against\ Django\ installed\ in\ ((?s:.*?))\ silenced\)\.\nok$',
        r'^(.*?)\s\.\.\.\sInternal\ Server\ Error:\ \/(.*)\/\nok$',
        r'^(.*?)\s\.\.\.\sSystem check identified no issues \(0 silenced\)\nok$',
    ]
    for pattern in patterns:
        for match in re.finditer(pattern, log, re.MULTILINE):
            test_name = match.group(1)
            test_status_map[test_name] = TestStatus.PASSED.value
    return test_status_map


def parse_log_pytest_v2(log: str) -> dict[str, str]:
    """Parser for test logs generated with PyTest framework (Later Version)

    Args:
        log (str): log content
    Returns:
        dict: test case to test status mapping
    """
    test_status_map = {}
    escapes = ''.join([chr(char) for char in range(1, 32)])
    for line in log.split('\n'):
        line = re.sub(r'\[(\d+)m', '', line)
        translator = str.maketrans('', '', escapes)
        line = line.translate(translator)
        if any([line.startswith(x.value) for x in TestStatus]):
            if line.startswith(TestStatus.FAILED.value):
                line = line.replace(' - ', ' ')
            test_case = line.split()
            if len(test_case) >= 2:
                test_status_map[test_case[1]] = test_case[0]
        # Support older pytest versions by checking if the line ends with the test status
        elif any([line.endswith(x.value) for x in TestStatus]):
            test_case = line.split()
            if len(test_case) >= 2:
                test_status_map[test_case[0]] = test_case[1]
    return test_status_map


def parse_log_seaborn(log: str) -> dict[str, str]:
    """Parser for test logs generated with seaborn testing framework

    Args:
        log (str): log content
    Returns:
        dict: test case to test status mapping
    """
    test_status_map = {}
    for line in log.split('\n'):
        if line.startswith(TestStatus.FAILED.value):
            test_case = line.split()[1]
            test_status_map[test_case] = TestStatus.FAILED.value
        elif f' {TestStatus.PASSED.value} ' in line:
            parts = line.split()
            if parts[1] == TestStatus.PASSED.value:
                test_case = parts[0]
                test_status_map[test_case] = TestStatus.PASSED.value
        elif line.startswith(TestStatus.PASSED.value):
            parts = line.split()
            test_case = parts[1]
            test_status_map[test_case] = TestStatus.PASSED.value
    return test_status_map


def parse_log_sympy(log: str) -> dict[str, str]:
    """Parser for test logs generated with Sympy framework

    Args:
        log (str): log content
    Returns:
        dict: test case to test status mapping
    """
    test_status_map = {}
    pattern = r'(_*) (.*)\.py:(.*) (_*)'
    matches = re.findall(pattern, log)
    for match in matches:
        test_case = f'{match[1]}.py:{match[2]}'
        test_status_map[test_case] = TestStatus.FAILED.value
    for line in log.split('\n'):
        line = line.strip()
        if line.startswith('test_'):
            if line.endswith('[FAIL]') or line.endswith('[OK]'):
                line = line[: line.rfind('[')]
                line = line.strip()
            if line.endswith(' E'):
                test = line.split()[0]
                test_status_map[test] = TestStatus.ERROR.value
            if line.endswith(' F'):
                test = line.split()[0]
                test_status_map[test] = TestStatus.FAILED.value
            if line.endswith(' ok'):
                test = line.split()[0]
                test_status_map[test] = TestStatus.PASSED.value
    return test_status_map


def parse_log_matplotlib(log: str) -> dict[str, str]:
    """Parser for test logs generated with PyTest framework

    Args:
        log (str): log content
    Returns:
        dict: test case to test status mapping
    """
    test_status_map = {}
    for line in log.split('\n'):
        line = line.replace('MouseButton.LEFT', '1')
        line = line.replace('MouseButton.RIGHT', '3')
        if any([line.startswith(x.value) for x in TestStatus]):
            # Additional parsing for FAILED status
            if line.startswith(TestStatus.FAILED.value):
                line = line.replace(' - ', ' ')
            test_case = line.split()
            if len(test_case) <= 1:
                continue
            test_status_map[test_case[1]] = test_case[0]
    return test_status_map


parse_log_astroid = parse_log_pytest
parse_log_flask = parse_log_pytest
parse_log_marshmallow = parse_log_pytest
parse_log_pvlib = parse_log_pytest
parse_log_pyvista = parse_log_pytest
parse_log_sqlfluff = parse_log_pytest
parse_log_xarray = parse_log_pytest

parse_log_pydicom = parse_log_pytest_options
parse_log_requests = parse_log_pytest_options
parse_log_pylint = parse_log_pytest_options

parse_log_astropy = parse_log_pytest_v2
parse_log_scikit = parse_log_pytest_v2
parse_log_sphinx = parse_log_pytest_v2


MAP_REPO_TO_PARSER = {
    'astropy/astropy': parse_log_astropy,
    'django/django': parse_log_django,
    'marshmallow-code/marshmallow': parse_log_marshmallow,
    'matplotlib/matplotlib': parse_log_matplotlib,
    'mwaskom/seaborn': parse_log_seaborn,
    'pallets/flask': parse_log_flask,
    'psf/requests': parse_log_requests,
    'pvlib/pvlib-python': parse_log_pvlib,
    'pydata/xarray': parse_log_xarray,
    'pydicom/pydicom': parse_log_pydicom,
    'pylint-dev/astroid': parse_log_astroid,
    'pylint-dev/pylint': parse_log_pylint,
    'pytest-dev/pytest': parse_log_pytest,
    'pyvista/pyvista': parse_log_pyvista,
    'scikit-learn/scikit-learn': parse_log_scikit,
    'sqlfluff/sqlfluff': parse_log_sqlfluff,
    'sphinx-doc/sphinx': parse_log_sphinx,
    'sympy/sympy': parse_log_sympy,
}
