import glob
import os

from conans import ConanFile, CMake, tools

class Poly2triConan(ConanFile):
    name = "poly2tri"
    description = "Poly2Tri is a sweepline constrained Delaunay Polygon Triangulation Library."
    license = "BSD-3-Clause"
    topics = ("conan", "poly2tri", "triangulation", "delaunay", "polygon")
    homepage = "https://github.com/greenm01/poly2tri"
    url = "https://github.com/conan-io/conan-center-index"
    exports_sources = "CMakeLists.txt"
    generators = "cmake"
    settings = "os", "arch", "compiler", "build_type"
    options = {"shared": [True, False], "fPIC": [True, False]}
    default_options = {"shared": False, "fPIC": True}

    _cmake = None

    @property
    def _source_subfolder(self):
        return "source_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

    def source(self):
        tools.get(**self.conan_data["sources"][self.version])
        extracted_dir = glob.glob(self.name + "-*")[0]
        os.rename(extracted_dir, self._source_subfolder)

    def _configure_cmake(self):
        if self._cmake:
            return self._cmake
        self._cmake = CMake(self)
        self._cmake.configure()
        return self._cmake

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

    def package(self):
        self.copy("LICENSE", dst="licenses", src=self._source_subfolder)
        cmake = self._configure_cmake()
        cmake.install()

    def package_info(self):
        self.cpp_info.libs = ["poly2tri"]
