import platform
import sys
import textwrap

import pytest

from conan.test.assets.genconanfile import GenConanfile
from conan.test.utils.tools import TestClient


@pytest.mark.skipif(platform.system() == "Windows", reason="Needs pkg-config")
@pytest.mark.tool("pkg_config")
def test_pkgconfigdeps_definitions_escape():
    client = TestClient(path_with_spaces=False)
    conanfile = textwrap.dedent(r'''
        from conan import ConanFile
        class HelloLib(ConanFile):
            def package_info(self):
                self.cpp_info.defines.append("USER_CONFIG=\"user_config.h\"")
                self.cpp_info.defines.append('OTHER="other.h"')
                self.cpp_info.cflags.append("flag1=\"my flag1\"")
                self.cpp_info.cxxflags.append('flag2="my flag2"')
        ''')
    client.save({"conanfile.py": conanfile})
    client.run("export . --name=hello --version=1.0")
    client.save({"conanfile.txt": "[requires]\nhello/1.0\n"}, clean_first=True)
    client.run("install . --build=missing -g PkgConfigDeps")
    client.run_command("PKG_CONFIG_PATH=$(pwd) pkg-config --cflags hello")
    assert r'flag2=\"my flag2\" flag1=\"my flag1\" ' \
           r'-DUSER_CONFIG=\"user_config.h\" -DOTHER=\"other.h\"' in client.out


@pytest.mark.tool("cmake")
def test_pkgconfigdeps_with_test_requires():
    """
    PkgConfigDeps has to create any test requires declared on the recipe.

    Related issue: https://github.com/conan-io/conan/issues/11376
    """
    client = TestClient()
    client.save({"app/conanfile.py": GenConanfile("app", "1.0"),
                 "test/conanfile.py": GenConanfile("test", "1.0")})
    client.run("create app")
    client.run("create test")
    # Create library having build and test requires
    conanfile = textwrap.dedent(r'''
        from conan import ConanFile
        class HelloLib(ConanFile):
            def build_requirements(self):
                self.test_requires('app/1.0')
                self.test_requires('test/1.0')
        ''')
    client.save({"conanfile.py": conanfile}, clean_first=True)
    client.run("install . -g PkgConfigDeps")
    assert "Description: Conan package: test" in client.load("test.pc")
    assert "Description: Conan package: app" in client.load("app.pc")


@pytest.mark.skipif(sys.version_info.minor < 7, reason="Meson 1.1.x version needs Python >= 3.7")
@pytest.mark.skipif(platform.system() != "Windows", reason="It makes sense only for Windows")
@pytest.mark.tool("meson")  # https://github.com/mesonbuild/meson/pull/11649 is part of Meson 1.1.0
@pytest.mark.tool("pkg_config")
def test_pkgconfigdeps_bindir_and_meson():
    """
    This test checks that the field bindir introduced by PkgConfigDeps is useful for Windows
    OS and shared=True where all the DLL's files are located by default there.

    Basically, Meson (version >= 1.1.0) reads from the *.pc files the bindir variable if exists, and
    uses that variable to link with if SHARED libraries.

    Issue: https://github.com/conan-io/conan/issues/13532
    """
    client = TestClient()
    client.run("new meson_lib -d name=hello -d version=1.0")
    client.run("create . -tf \"\" -o *:shared=True")
    test_meson_build = textwrap.dedent("""
    project('Testhello', 'cpp')
    hello = dependency('hello', version : '>=1.0')
    example = executable('example', 'src/example.cpp', dependencies: hello)
    test('./src/example', example)
    """)
    test_conanfile = textwrap.dedent("""
    import os
    from conan import ConanFile
    from conan.tools.build import can_run
    from conan.tools.meson import Meson
    from conan.tools.layout import basic_layout

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

        def requirements(self):
            self.requires("hello/1.0")

        def build(self):
            meson = Meson(self)
            meson.configure()
            meson.build()

        def layout(self):
            basic_layout(self)
    """)
    client.save({
        "test_package/conanfile.py": test_conanfile,
        "test_package/meson.build": test_meson_build
    })
    client.run("build test_package/conanfile.py -o *:shared=True")
    # Important: Only Meson >= 1.1.0 brings this capability
    # Executing directly "meson test" fails if the bindir field does not exist
    client.run_command("meson test -C test_package/build-release")
    assert "1/1 ./src/example OK"


def test_pkgconfigdeps_component_matches_package_name():
    client = TestClient(path_with_spaces=False)
    # Create library having build and test requires
    conanfile = textwrap.dedent(r'''
        from conan import ConanFile
        class MyLib(ConanFile):
            name = "hello"
            version = "0.1"
            def package_info(self):
                self.cpp_info.components["mycomponent"].set_property("pkg_config_name", "hello")
        ''')
    client.save({"conanfile.py": conanfile}, clean_first=True)
    client.run("export-pkg .")
    client.run("install --requires=hello/0.1 -g PkgConfigDeps")
    content = client.load("hello.pc")
    assert "Conan component: hello-hello" in content
