from conan import ConanFile
from conan.errors import ConanInvalidConfiguration
from conan.tools.build import check_min_cppstd, valid_min_cppstd
from conan.tools.files import apply_conandata_patches, copy, export_conandata_patches, get
from conan.tools.cmake import CMake, CMakeDeps, CMakeToolchain, cmake_layout
from conan.tools.layout import basic_layout
from conan.tools.scm import Version
import os

required_conan_version = ">=1.52.0"


class PixelMatchCPP17Conan(ConanFile):
    name = "pixelmatch-cpp17"
    description = "A C++17 port of the JavaScript pixelmatch library, providing a small pixel-level image comparison library."
    license = "Apache-2.0"
    topics = ("image", "comparison")
    homepage = "https://github.com/jwmcglynn/pixelmatch-cpp17"

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

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

    def export_sources(self):
        export_conandata_patches(self)

    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)
        apply_conandata_patches(self)

    def generate(self):
        tc = CMakeToolchain(self)
        tc.generate()
        CMakeDeps(self).generate()

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

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

    def package_info(self):
        self.cpp_info.libs = ["pixelmatch-cpp17"]

    def requirements(self):
        if(Version(self.version) == "1.0.3"):
            self.requires("stb/cci.20240531", transitive_headers=True)