from conan import ConanFile
from conan.tools.build import stdcpp_library
from conan.tools.cmake import CMake, CMakeToolchain, cmake_layout
from conan.tools.files import copy, get, rm, rmdir
import os

required_conan_version = ">=1.54.0"


class MeshOptimizerConan(ConanFile):
    name = "meshoptimizer"
    description = "Mesh optimization library that makes meshes smaller and faster to render"
    topics = ("mesh", "optimizer", "3d")
    homepage = "https://github.com/zeux/meshoptimizer"
    url = "https://github.com/conan-io/conan-center-index"
    license = "MIT"

    package_type = "library"
    settings = "os", "arch", "compiler", "build_type"
    options = {
        "shared": [True, False],
        "fPIC": [True, False],
    }
    default_options = {
        "shared": False,
        "fPIC": True,
    }

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

    def configure(self):
        if self.options.shared:
            self.options.rm_safe("fPIC")

    def layout(self):
        cmake_layout(self, src_folder="src")

    def source(self):
        get(self, **self.conan_data["sources"][self.version], strip_root=True)

    def generate(self):
        tc = CMakeToolchain(self)
        tc.variables["MESHOPT_BUILD_SHARED_LIBS"] = self.options.shared
        tc.generate()

    def build(self):
        cmake = CMake(self)
        cmake.configure()
        cmake.build()

    def package(self):
        copy(self, "LICENSE.md", src=self.source_folder, dst=os.path.join(self.package_folder, "licenses"))
        cmake = CMake(self)
        cmake.install()
        rm(self, "*.pdb", os.path.join(self.package_folder, "bin"))
        rmdir(self, os.path.join(self.package_folder, "lib", "cmake"))

    def package_info(self):
        self.cpp_info.set_property("cmake_file_name", "meshoptimizer")
        self.cpp_info.set_property("cmake_target_name", "meshoptimizer::meshoptimizer")
        self.cpp_info.libs = ["meshoptimizer"]
        if not self.options.shared:
            libcxx = stdcpp_library(self)
            if libcxx:
                self.cpp_info.system_libs.append(libcxx)
        if self.options.shared:
            self.cpp_info.defines = ["MESHOPTIMIZER_ALLOC_EXPORT"]
            if self.settings.os == "Windows":
                self.cpp_info.defines.append("MESHOPTIMIZER_API=__declspec(dllimport)")