# Vendored from https://github.com/pandas-dev/pandas/blob/master/pandas/compat/_optional.py
# changeset d30aeeba0c79fb8e4b651a8f528e87c3de8cb898
# 10/11/2021

# This file is dual licensed under the terms of the BSD 3-Clause License.
# BSD 3-Clause License
#
# Copyright (c) 2008-2011, AQR Capital Management, LLC, Lambda Foundry, Inc. and PyData Development Team
# All rights reserved.
#
# Copyright (c) 2011-2021, Open source contributors.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are met:
#
# * Redistributions of source code must retain the above copyright notice, this
#   list of conditions and the following disclaimer.
#
# * Redistributions in binary form must reproduce the above copyright notice,
#   this list of conditions and the following disclaimer in the documentation
#   and/or other materials provided with the distribution.
#
# * Neither the name of the copyright holder nor the names of its
#   contributors may be used to endorse or promote products derived from
#   this software without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
# DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
# SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
# CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
# OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

from __future__ import annotations

import importlib
import sys
import types
import warnings

from .parse_version import Version

# Update docs/flopy_method_dependencies.md when updating versions!

VERSIONS = {
    "shapefile": "2.0.0",
    "dateutil": "2.4.0",
    "pandas": "0.15.0",
}

# A mapping from import name to package name (on PyPI) for packages where
# these two names are different.

INSTALL_MAPPING = {
    "shapefile": "pyshp",
    "dateutil": "python-dateutil",
}


def get_version(module: types.ModuleType) -> str:
    version = getattr(module, "__version__", None)
    if version is None:
        # xlrd uses a capitalized attribute name
        version = getattr(module, "__VERSION__", None)

    if version is None:
        raise ImportError(f"Can't determine version for {module.__name__}")
    return version


def import_optional_dependency(
    name: str,
    error_message: str = "",
    errors: str = "raise",
    min_version: str | None = None,
):
    """
    Import an optional dependency.

    By default, if a dependency is missing an ImportError with a nice
    message will be raised. If a dependency is present, but too old,
    we raise.

    Parameters
    ----------
    name : str
        The module name.
    error_message : str
        Additional text to include in the ImportError message.
    errors : str {'raise', 'warn', 'ignore'}
        What to do when a dependency is not found or its version is too old.

        * raise : Raise an ImportError
        * warn : Only applicable when a module's version is to old.
          Warns that the version is too old and returns None
        * ignore: If the module is not installed, return None, otherwise,
          return the module, even if the version is too old.
          It's expected that users validate the version locally when
          using ``errors="ignore"`` (see. ``io/html.py``)
        * silent: Same as "ignore" except warning message is not written to
          the screen.
    min_version : str, default None
        Specify a minimum version that is different from the global FloPy
        minimum version required.
    Returns
    -------
    maybe_module : Optional[ModuleType]
        The imported module, when found and the version is correct.
        None is returned when the package is not found and `errors`
        is False, or when the package's version is too old and `errors`
        is ``'warn'``.
    """

    assert errors in {"warn", "raise", "ignore", "silent"}

    package_name = INSTALL_MAPPING.get(name)
    install_name = package_name if package_name is not None else name

    msg = (
        f"Missing optional dependency '{install_name}'. {error_message} "
        f"Use pip or conda to install {install_name}."
    )
    try:
        module = importlib.import_module(name)
    except ImportError:
        if errors == "raise":
            raise ImportError(msg)
        else:
            if errors != "silent":
                print(msg)
            return None

    # Handle submodules: if we have submodule, grab parent module from sys.modules
    parent = name.split(".")[0]
    if parent != name:
        install_name = parent
        module_to_get = sys.modules[install_name]
    else:
        module_to_get = module
    minimum_version = (
        min_version if min_version is not None else VERSIONS.get(parent)
    )
    if minimum_version:
        version = get_version(module_to_get)
        if Version(version) < Version(minimum_version):
            msg = (
                f"FloPy requires version '{minimum_version}' "
                f"or newer of '{parent}' "
                f"(version '{version}' currently installed)."
            )
            if errors == "warn":
                warnings.warn(msg, UserWarning)
                return None
            elif errors == "raise":
                raise ImportError(msg)

    return module

# Vendored from https://github.com/pandas-dev/pandas/blob/master/pandas/compat/_optional.py
# changeset d30aeeba0c79fb8e4b651a8f528e87c3de8cb898
# 10/11/2021

# This file is dual licensed under the terms of the BSD 3-Clause License.
# BSD 3-Clause License
#
# Copyright (c) 2008-2011, AQR Capital Management, LLC, Lambda Foundry, Inc. and PyData Development Team
# All rights reserved.
#
# Copyright (c) 2011-2021, Open source contributors.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are met:
#
# * Redistributions of source code must retain the above copyright notice, this
#   list of conditions and the following disclaimer.
#
# * Redistributions in binary form must reproduce the above copyright notice,
#   this list of conditions and the following disclaimer in the documentation
#   and/or other materials provided with the distribution.
#
# * Neither the name of the copyright holder nor the names of its
#   contributors may be used to endorse or promote products derived from
#   this software without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
# DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
# SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
# CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
# OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

from __future__ import annotations

import importlib
import sys
import types
import warnings

from .parse_version import Version

# Update docs/flopy_method_dependencies.md when updating versions!

VERSIONS = {
    "shapefile": "2.0.0",
    "dateutil": "2.4.0",
    "pandas": "0.15.0",
}

# A mapping from import name to package name (on PyPI) for packages where
# these two names are different.

INSTALL_MAPPING = {
    "shapefile": "pyshp",
    "dateutil": "python-dateutil",
}


def get_version(module: types.ModuleType) -> str:
    version = getattr(module, "__version__", None)
    if version is None:
        # xlrd uses a capitalized attribute name
        version = getattr(module, "__VERSION__", None)

    if version is None:
        raise ImportError(f"Can't determine version for {module.__name__}")
    return version


def import_optional_dependency(
    name: str,
    error_message: str = "",
    errors: str = "raise",
    min_version: str | None = None,
):
    """
    Import an optional dependency.

    By default, if a dependency is missing an ImportError with a nice
    message will be raised. If a dependency is present, but too old,
    we raise.

    Parameters
    ----------
    name : str
        The module name.
    error_message : str
        Additional text to include in the ImportError message.
    errors : str {'raise', 'warn', 'ignore'}
        What to do when a dependency is not found or its version is too old.

        * raise : Raise an ImportError
        * warn : Only applicable when a module's version is to old.
          Warns that the version is too old and returns None
        * ignore: If the module is not installed, return None, otherwise,
          return the module, even if the version is too old.
          It's expected that users validate the version locally when
          using ``errors="ignore"`` (see. ``io/html.py``)
        * silent: Same as "ignore" except warning message is not written to
          the screen.
    min_version : str, default None
        Specify a minimum version that is different from the global FloPy
        minimum version required.
    Returns
    -------
    maybe_module : Optional[ModuleType]
        The imported module, when found and the version is correct.
        None is returned when the package is not found and `errors`
        is False, or when the package's version is too old and `errors`
        is ``'warn'``.
    """

    assert errors in {"warn", "raise", "ignore", "silent"}

    package_name = INSTALL_MAPPING.get(name)
    install_name = package_name if package_name is not None else name

    msg = (
        f"Missing optional dependency '{install_name}'. {error_message} "
        f"Use pip or conda to install {install_name}."
    )
    try:
        module = importlib.import_module(name)
    except ImportError:
        if errors == "raise":
            raise ImportError(msg)
        else:
            if errors != "silent":
                print(msg)
            return None

    # Handle submodules: if we have submodule, grab parent module from sys.modules
    parent = name.split(".")[0]
    if parent != name:
        install_name = parent
        module_to_get = sys.modules[install_name]
    else:
        module_to_get = module
    minimum_version = (
        min_version if min_version is not None else VERSIONS.get(parent)
    )
    if minimum_version:
        version = get_version(module_to_get)
        if Version(version) < Version(minimum_version):
            msg = (
                f"FloPy requires version '{minimum_version}' "
                f"or newer of '{parent}' "
                f"(version '{version}' currently installed)."
            )
            if errors == "warn":
                warnings.warn(msg, UserWarning)
                return None
            elif errors == "raise":
                raise ImportError(msg)

    return module

# Vendored from https://github.com/pandas-dev/pandas/blob/master/pandas/compat/_optional.py # changeset d30aeeba0c79fb8e4b651a8f528e87c3de8cb898 # 10/11/2021 # This file is dual licensed under the terms of the BSD 3-Clause License. # BSD 3-Clause License # # Copyright (c) 2008-2011, AQR Capital Management, LLC, Lambda Foundry, Inc. and PyData Development Team # All rights reserved. # # Copyright (c) 2011-2021, Open source contributors. # # Redistribution and use in source and binary forms, with or without # modification, are permitted provided that the following conditions are met: # # * Redistributions of source code must retain the above copyright notice, this #   list of conditions and the following disclaimer. # # * Redistributions in binary form must reproduce the above copyright notice, #   this list of conditions and the following disclaimer in the documentation #   and/or other materials provided with the distribution. # # * Neither the name of the copyright holder nor the names of its #   contributors may be used to endorse or promote products derived from #   this software without specific prior written permission. # # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" # AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE # IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE # DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE # FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL # DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR # SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER # CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, # OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. # Update docs/flopy_method_dependencies.md when updating versions! # A mapping from import name to package name (on PyPI) for packages where # these two names are different. # xlrd uses a capitalized attribute name Import an optional dependency.      By default, if a dependency is missing an ImportError with a nice     message will be raised. If a dependency is present, but too old,     we raise.      Parameters     ----------     name : str         The module name.     error_message : str         Additional text to include in the ImportError message.     errors : str {'raise', 'warn', 'ignore'}         What to do when a dependency is not found or its version is too old.          * raise : Raise an ImportError         * warn : Only applicable when a module's version is to old.           Warns that the version is too old and returns None         * ignore: If the module is not installed, return None, otherwise,           return the module, even if the version is too old.           It's expected that users validate the version locally when           using ``errors="ignore"`` (see. ``io/html.py``)         * silent: Same as "ignore" except warning message is not written to           the screen.     min_version : str, default None         Specify a minimum version that is different from the global FloPy         minimum version required.     Returns     -------     maybe_module : Optional[ModuleType]         The imported module, when found and the version is correct.         None is returned when the package is not found and `errors`         is False, or when the package's version is too old and `errors`         is ``'warn'``. # Handle submodules: if we have submodule, grab parent module from sys.modules