from conans import ConanFile, CMake, tools
import os


class KcpConan(ConanFile):
    name = "kcp"
    description = "A Fast and Reliable ARQ Protocol"
    topics = ("conan", "kcp", "ARQ", "TCP", "protocol")
    homepage = "https://github.com/skywind3000/kcp"
    url = "https://github.com/conan-io/conan-center-index"
    license = "MIT"
    exports_sources = "CMakeLists.txt", "patches/**"
    options = {
        "shared": [True, False],
        "fPIC": [True, False],
    }
    default_options = {
        "shared": False,
        "fPIC": True,
    }
    settings = "os", "arch", "compiler", "build_type"
    generators = "cmake"

    _cmake = None

    @property
    def _source_subfolder(self):
        return "source_subfolder"

    @property
    def _build_subfolder(self):
        return "build_subfolder"

    def config_options(self):
        if self.settings.os == "Windows":
            del self.options.fPIC

    def configure(self):
        if self.options.shared:
            del self.options.fPIC
        del self.settings.compiler.libcxx
        del self.settings.compiler.cppstd

    def source(self):
        tools.get(**self.conan_data["sources"][self.version])
        os.rename("kcp-{}".format(self.version), self._source_subfolder)

    def _configure_cmake(self):
        if self._cmake:
            return self._cmake
        self._cmake = CMake(self)
        self._cmake.definitions["BUILD_TESTING"] = False
        self._cmake.configure()
        return self._cmake

    def _patch_sources(self):
        for patch in self.conan_data["patches"][self.version]:
            tools.patch(**patch)

    def build(self):
        self._patch_sources()
        cmake = self._configure_cmake()
        cmake.build()

    def package(self):
        self.copy("LICENSE", src=self._source_subfolder, dst="licenses")
        cmake = self._configure_cmake()
        cmake.install()
        tools.rmdir(os.path.join(self.package_folder, "lib", "cmake"))

    def package_info(self):
        self.cpp_info.libs = ["kcp"]
