import os

from conan import ConanFile
from conan.tools.cmake import CMake, CMakeDeps, CMakeToolchain, cmake_layout
from conan.tools.files import copy, get, replace_in_file, rmdir

required_conan_version = ">=1.52.0"


class EAStdCConan(ConanFile):
    name = "eastdc"
    description = "EAStdC (EA Standard C) is a package that implements much of the functionality of standard C " \
                   "and C++ libraries, but with an emphasis on speed and efficiency and, secondarily, safety."
    topics = ("eastl", "stdc")
    license = "BSD-3-Clause"
    url = "https://github.com/conan-io/conan-center-index"
    homepage = "https://github.com/electronicarts/EAStdC"

    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 requirements(self):
        self.requires(f"eabase/01082025@{self.user}/{self.channel}", transitive_headers=True)
        self.requires(f"eaassert/25082026@{self.user}/{self.channel}", transitive_headers=True)
        self.requires(f"eathread/25082026@{self.user}/{self.channel}", transitive_headers=True)

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

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

    def _patch_sources(self):
        cmakelists = os.path.join(self.source_folder, "CMakeLists.txt")

        # CMake >= 4 dropped support for the compatibility policies VERSION 3.1 requires.
        replace_in_file(self, cmakelists, "cmake_minimum_required(VERSION 3.1)", "cmake_minimum_required(VERSION 3.5)")
        replace_in_file(self, cmakelists, "include(CommonCppFlags)", "")

        # The upstream CMakeLists.txt expects bare "EABase"/"EAAssert"/"EAThread" targets from a git
        # submodule setup that doesn't exist when building from the release archive via Conan. Point
        # it at Conan's packages instead, and add install rules (upstream has none).
        replace_in_file(
            self,
            cmakelists,
            "target_link_libraries(EAStdC EABase)\n"
            "target_link_libraries(EAStdC EAAssert)\n"
            "target_link_libraries(EAStdC EAThread)\n",
            "find_package(EABase REQUIRED CONFIG)\n"
            "find_package(EAAssert REQUIRED CONFIG)\n"
            "find_package(EAThread REQUIRED CONFIG)\n"
            "target_link_libraries(EAStdC EABase::EABase EAAssert::EAAssert EAThread::EAThread)\n"
            "\n"
            "include(GNUInstallDirs)\n"
            "install(TARGETS EAStdC\n"
            "        RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR}\n"
            "        LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR}\n"
            "        ARCHIVE DESTINATION ${CMAKE_INSTALL_LIBDIR})\n"
            "install(DIRECTORY include/EAStdC DESTINATION ${CMAKE_INSTALL_INCLUDEDIR})\n",
        )

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

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

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

        self.cpp_info.set_property("cmake_file_name", "EAStdC")
        self.cpp_info.set_property("cmake_target_name", "EAStdC::EAStdC")

        # TODO: to remove in conan v2 once cmake_find_package_* generators removed
        self.cpp_info.filenames["cmake_find_package"] = "EAStdC"
        self.cpp_info.filenames["cmake_find_package_multi"] = "EAStdC"
        self.cpp_info.names["cmake_find_package"] = "EAStdC"
        self.cpp_info.names["cmake_find_package_multi"] = "EAStdC"