import os
import platform
import textwrap

import pytest

from conan.tools.apple.apple import _to_apple_arch
from conan.test.assets.autotools import gen_makefile
from conan.test.assets.sources import gen_function_h, gen_function_cpp
from conan.test.utils.tools import TestClient

makefile = gen_makefile(apps=["app"], libs=["hello"])

conanfile_py = textwrap.dedent("""
    from conan import ConanFile, tools
    from conan.tools.gnu import Autotools

    class App(ConanFile):
        settings = "os", "arch", "compiler", "build_type"
        options = {"shared": [True, False], "fPIC": [True, False]}
        default_options = {"shared": False, "fPIC": True}
        generators = "AutotoolsToolchain"

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

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

        def build(self):
            env_build = Autotools(self)
            env_build.make()
    """)


@pytest.mark.skipif(platform.system() != "Darwin", reason="Only OSX")
@pytest.mark.parametrize("config", [("x86_64", "Macos", "10.14", None),
                                    ("armv8", "iOS", "10.0", "iphoneos"),
                                    ("x86_64", "iOS", "10.0", "iphonesimulator"),
                                    ("armv8", "Macos", "10.14", None)  # M1
                                    ])
def test_makefile_arch(config):
    arch, os_, os_version, os_sdk = config

    profile = textwrap.dedent("""
                include(default)
                [settings]
                os = {os}
                {os_sdk}
                os.version = {os_version}
                arch = {arch}
                """).format(os=os_, arch=arch,
                            os_version=os_version, os_sdk="os.sdk = " + os_sdk if os_sdk else "")

    t = TestClient()
    hello_h = gen_function_h(name="hello")
    hello_cpp = gen_function_cpp(name="hello")
    main_cpp = gen_function_cpp(name="main", includes=["hello"], calls=["hello"])

    t.save({"Makefile": makefile,
            "hello.h": hello_h,
            "hello.cpp": hello_cpp,
            "app.cpp": main_cpp,
            "conanfile.py": conanfile_py,
            "profile": profile})

    t.run("install . --profile:host=profile --profile:build=default")
    t.run("build . --profile:host=profile --profile:build=default")

    libhello = os.path.join(t.current_folder, "libhello.a")
    app = os.path.join(t.current_folder, "app")
    assert os.path.isfile(libhello)
    assert os.path.isfile(app)

    expected_arch = _to_apple_arch(arch)

    t.run_command('lipo -info "%s"' % libhello)
    assert "architecture: %s" % expected_arch in t.out

    t.run_command('lipo -info "%s"' % app)
    assert "architecture: %s" % expected_arch in t.out


@pytest.mark.skipif(platform.system() != "Darwin", reason="Only OSX")
@pytest.mark.parametrize("arch", ["x86_64", "armv8"])
def test_catalyst(arch):
    profile = textwrap.dedent("""
        include(default)
        [settings]
        os = Macos
        os.version = 14.6
        os.subsystem = catalyst
        os.subsystem.ios_version = 16.1
        arch = {arch}
        [buildenv]
        DEVELOPER_DIR=/Applications/Xcode_16.0.app/Contents/Developer
        """).format(arch=arch)

    t = TestClient()
    hello_h = gen_function_h(name="hello")
    hello_cpp = gen_function_cpp(name="hello")
    main_cpp = textwrap.dedent("""
        #include "hello.h"
        #include <TargetConditionals.h>
        #include <iostream>

        int main()
        {
        #if TARGET_OS_MACCATALYST
            std::cout << "running catalyst " << __IPHONE_OS_VERSION_MIN_REQUIRED << std::endl;
        #else
            #error "not building for Apple Catalyst"
        #endif
        }
        """)

    t.save({"Makefile": makefile,
            "hello.h": hello_h,
            "hello.cpp": hello_cpp,
            "app.cpp": main_cpp,
            "conanfile.py": conanfile_py,
            "profile": profile})

    t.run("install . --profile:host=profile --profile:build=default")
    t.run("build . --profile:host=profile --profile:build=default")

    libhello = os.path.join(t.current_folder, "libhello.a")
    app = os.path.join(t.current_folder, "app")
    assert os.path.isfile(libhello)
    assert os.path.isfile(app)

    expected_arch = _to_apple_arch(arch)

    t.run_command('lipo -info "%s"' % libhello)
    assert "architecture: %s" % expected_arch in t.out

    t.run_command('lipo -info "%s"' % app)
    assert "architecture: %s" % expected_arch in t.out

    #FIXME: recover when ci is fixed for M2
    #t.run_command('"%s"' % app)
    #assert "running catalyst 160100" in t.out
