from pathlib import Path
from cerbero.build.build import modify_environment

class Recipe(recipe.Recipe):
    name = 'winstorecompat'
    version = 'v12.0.0'
    licenses = [{License.MIT: ['COPYING']}]
    requires_non_src_build = True
    stype = SourceType.CUSTOM
    deps = ['mingw-w64-crt', 'gcc']
    override_libtool = False

    def prepare(self):
        if self.config.target_arch == Architecture.X86:
            raise InvalidRecipeError(self)
        # Since we are cross-compiling we have to reset all the env
        # variables set by cerbero (eg: we don't want -m64 overriding
        # a i386 build or gcc being used instead of x86_64-mingw32-w64-gcc)
        for v in ['CC', 'LD', 'CPP', 'AS', 'RC', 'CXX', 'CFLAGS', 'LDFLAGS',
                'CXXFLAGS', 'CCASFLAGS', 'CPPFLAGS']:
            self.set_env(v)
        self.host = 'x86_64-w64-mingw32'
        self.sysroot = f'{self.config.prefix}/{self.host}/sysroot'
        self.make_install += [f'DESTDIR={self.sysroot}']
        self.config_src_dir = os.path.join(self.config.sources, f'mingw-w64-sources-{self.version}', 'mingw-w64-libraries', 'winstorecompat')
        self.build_dir = self.config_src_dir
        self.make_dir = self.build_dir
        self.configure_tpl = "%%(config-sh)s --prefix /usr/%(host)s "\
                "--libdir /usr/%(host)s %%(options)s" % {'host': self.host}
        self.build_dir_32 = os.path.join(self.make_dir, 'cerbero-build-dir-32')
        self.build_dir_64 = os.path.join(self.make_dir, 'cerbero-build-dir-64')

    @modify_environment
    async def configure(self):
        # Since the toolchain is built with multilib support
        # this recipe builds winpthreads for both x86_64 and x86
        Path(self.build_dir_32).mkdir(exist_ok=True)
        flags = "CC=x86_64-w64-mingw32-gcc CPP=x86_64-w64-mingw32-cpp RC=x86_64-w64-mingw32-windres " \
                "LD=x86_64-w64-mingw32-ld LDFLAGS=' -m32' CFLAGS=' -m32' CXXFLAGS=' -m32' " \
                "RCFLAGS='-F pe-i386' DLLTOOLFLAGS='-m i386'"
        host = 'i386-w64-mingw32'
        libdir = "/usr/%s/lib32" % self.host
        # i686 is always a cross build
        shell.new_call('%s ../configure --bindir=%s --libdir=%s --prefix=/usr/%s --host=%s %s' %\
                (flags, libdir, libdir, host, host, self.configure_options),
                self.build_dir_32, logfile=self.logfile, env=self.env)

        Path(self.build_dir_64).mkdir(exist_ok=True)
        flags = "CC=x86_64-w64-mingw32-gcc CPP=x86_64-w64-mingw32-cpp RC=x86_64-w64-mingw32-windres " \
                "LD=x86_64-w64-mingw32-ld LDFLAGS=' -m64' CFLAGS=' -m64' CXXFLAGS=' -m64' "
        host = 'x86_64-w64-mingw32'
        libdir = "/usr/%s/lib" % self.host
        shell.new_call('%s ../configure --bindir=%s --libdir=%s --prefix=/usr/%s --host=%s %s' %\
                (flags, libdir, libdir, host, host, self.configure_options),
                self.build_dir_64, logfile=self.logfile, env=self.env)

    async def compile(self):
        shell.new_call(self.make, self.build_dir_32, logfile=self.logfile, env=self.env)
        shell.new_call(self.make, self.build_dir_64, logfile=self.logfile, env=self.env)

    async def install(self):
        shell.new_call(self.make_install, self.build_dir_32, logfile=self.logfile, env=self.env)
        shell.new_call(self.make_install, self.build_dir_64, logfile=self.logfile, env=self.env)