import shutil


class Recipe(recipe.Recipe):
    name = 'binutils'
    version = '2.31.1'
    licenses = [License.LGPLv2Plus]
    licenses_bins = [License.GPLv2Plus]
    url = 'https://ftpmirror.gnu.org/gnu/binutils/binutils-%(version)s.tar.bz2'
    tarball_checksum = 'ffcc382695bf947da6135e7436b8ed52d991cf270db897190f19d6f9838564d0'
    stype = SourceType.TARBALL
    autoreconf = True
    configure_options = '--enable-ld=yes ' \
                        '--enable-gold=no ' \
                        '--disable-sim ' \
                        '--disable-gdb ' \
                        '--disable-nls ' \
                        '--enable-multilib '
    add_host_build_target = False
    files_bins = ['addr2line', 'ar', 'as', 'c++filt', 'dlltool', 'dllwrap',
                  'elfedit', 'gprof', 'ld', 'ld.bfd', 'nm', 'objcopy',
                  'objdump', 'ranlib', 'readelf', 'size', 'strings', 'strip',
                  'windmc', 'windres']
    files_binutils = ['%(host)s/bin/ar%(bext)s',
                      '%(host)s/bin/as%(bext)s',
                      '%(host)s/bin/dlltool%(bext)s',
                      '%(host)s/bin/ld%(bext)s',
                      '%(host)s/bin/ld.bfd%(bext)s',
                      '%(host)s/bin/nm%(bext)s',
                      '%(host)s/bin/objcopy%(bext)s',
                      '%(host)s/bin/objdump%(bext)s',
                      '%(host)s/bin/ranlib%(bext)s',
                      '%(host)s/bin/strip%(bext)s',
                      '%(host)s/lib/ldscripts/i386pe.x',
                      '%(host)s/lib/ldscripts/i386pe.xa',
                      '%(host)s/lib/ldscripts/i386pe.xbn',
                      '%(host)s/lib/ldscripts/i386pe.xn',
                      '%(host)s/lib/ldscripts/i386pe.xr',
                      '%(host)s/lib/ldscripts/i386pe.xu',
                      '%(host)s/lib32/ldscripts/i386pe.x',
                      '%(host)s/lib32/ldscripts/i386pe.xa',
                      '%(host)s/lib32/ldscripts/i386pe.xbn',
                      '%(host)s/lib32/ldscripts/i386pe.xn',
                      '%(host)s/lib32/ldscripts/i386pe.xr',
                      '%(host)s/lib32/ldscripts/i386pe.xu']
    files_lib = ['lib/libiberty.a']
    files_lang = ['bfd', 'binutils', 'gas', 'gprof',
                  'ld', 'opcodes']

    def prepare(self):
        if self.config.target_arch == Architecture.X86:
            raise InvalidRecipeError(self)
        self.target = 'x86_64-w64-mingw32'
        self.configure_options += ' --target=%s ' % self.target
        self.configure_options += '--with-sysroot=$CERBERO_PREFIX/%s/sysroot ' % self.target
        if self.config.target_platform == Platform.WINDOWS:
            self.configure_options += ' --host=%s' % self.target

        # Append the host prefix to the binaries
        self.files_bins = ['%s-%s' % (self.target, x) for x in self.files_bins]
        # Replace host in files
        files = [x % {'host': self.target, 'bext': '%(bext)s'} for x in
                 self.files_binutils]
        # Add mingw symlink files
        files.extend([x % {'host': 'mingw', 'bext': '%(bext)s'} for x in
                      self.files_binutils])
        self.files_binutils = files

    async def configure(self):
        for d in ['bfd', 'opcodes', 'gas', 'binutils', 'gprof', 'ld']:
            shell.new_call(['autoreconf', '-ivf'], os.path.join(self.build_dir, d))
        await super().configure()

    def post_install(self):
        # Prefix binaries with the host triplet
        if self.config.target_platform == Platform.WINDOWS:
            for f in self.files_list_by_category('bins'):
                f = os.path.join(self.config.prefix, f)
                shutil.copy(f.replace(self.target + '-', ''), f)
        # libtool m4 macros uses non-prefixed 'strings' command.
        elif self.config.target_platform == Platform.LINUX:
            bindir = os.path.join(self.config.prefix, 'bin')
            strings = os.path.join(bindir, 'strings')
            if os.path.exists(strings):
                os.remove(strings)
            shell.symlink('%s-strings' % self.target, 'strings', bindir)
        super().post_install()