# Copyright 2013-2023 Lawrence Livermore National Security, LLC and other
# Spack Project Developers. See the top-level COPYRIGHT file for details.
#
# SPDX-License-Identifier: (Apache-2.0 OR MIT)

from spack.package import *


class Nfft(AutotoolsPackage):
    """NFFT is a C subroutine library for computing the nonequispaced discrete
    Fourier transform (NDFT) in one or more dimensions, of arbitrary input
    size, and of complex data."""

    homepage = "https://www-user.tu-chemnitz.de/~potts/nfft"
    url = "https://github.com/NFFT/nfft/releases/download/3.4.1/nfft-3.4.1.tar.gz"

    license("GPL-2.0-or-later")

    version("3.4.1", sha256="1cf6060eec0afabbbba323929d8222397a77fa8661ca74927932499db26b4aaf")
    version("3.3.2", sha256="9dcebd905a82c4f0a339d0d5e666b68c507169d9173b66d5ac588aae5d50b57c")
    version(
        "3.2.4",
        sha256="31932438bd28609bcc32bef23830994fe6ac26d411d2077cde782faa5d21207e",
        url="https://www-user.tu-chemnitz.de/~potts/nfft/download/nfft-3.2.4.tar.gz",
    )

    depends_on("fftw")

    _fftw_precisions = None

    @property
    def fftw_selected_precisions(self):
        if not self._fftw_precisions:
            self._fftw_precisions = self.spec["fftw"].package.selected_precisions
        return self._fftw_precisions

    def configure(self, spec, prefix):
        options = ["--prefix={0}".format(prefix)]

        configure = Executable("../configure")

        if "double" in self.fftw_selected_precisions:
            with working_dir("double", create=True):
                configure(*options)
        if "float" in self.fftw_selected_precisions:
            with working_dir("float", create=True):
                configure("--enable-float", *options)
        if "long_double" in self.fftw_selected_precisions:
            with working_dir("long-double", create=True):
                configure("--enable-long-double", *options)

    def build(self, spec, prefix):
        if "double" in self.fftw_selected_precisions:
            with working_dir("double"):
                make()
        if "float" in self.fftw_selected_precisions:
            with working_dir("float"):
                make()
        if "long_double" in self.fftw_selected_precisions:
            with working_dir("long-double"):
                make()

    def check(self):
        if "double" in self.fftw_selected_precisions:
            with working_dir("double"):
                make("check")
        if "float" in self.fftw_selected_precisions:
            with working_dir("float"):
                make("check")
        if "long_double" in self.fftw_selected_precisions:
            with working_dir("long-double"):
                make("check")

    def install(self, spec, prefix):
        if "double" in self.fftw_selected_precisions:
            with working_dir("double"):
                make("install")
        if "float" in self.fftw_selected_precisions:
            with working_dir("float"):
                make("install")
        if "long_double" in self.fftw_selected_precisions:
            with working_dir("long-double"):
                make("install")