import os
from pathlib import Path

from jinja2 import Template

from conans import tools
from conan import ConanFile
from conan.tools import files
from conan.tools.env import VirtualRunEnv, Environment
from conan.errors import ConanInvalidConfiguration

required_conan_version = ">=1.48.0"


class CuraConan(ConanFile):
    name = "cura"
    license = "LGPL-3.0"
    author = "Ultimaker B.V."
    url = "https://github.com/Ultimaker/cura"
    description = "3D printer / slicing GUI built on top of the Uranium framework"
    topics = ("conan", "python", "pyqt5", "qt", "qml", "3d-printing", "slicer")
    build_policy = "missing"
    exports = "LICENSE*", "Ultimaker-Cura.spec.jinja", "CuraVersion.py.jinja"
    settings = "os", "compiler", "build_type", "arch"
    no_copy_source = True  # We won't build so no need to copy sources to the build folder

    # FIXME: Remove specific branch once merged to main
    # Extending the conanfile with the UMBaseConanfile https://github.com/Ultimaker/conan-ultimaker-index/tree/CURA-9177_Fix_CI_CD/recipes/umbase
    python_requires = "umbase/0.1.5@ultimaker/testing"
    python_requires_extend = "umbase.UMBaseConanfile"

    options = {
        "enterprise": ["True", "False", "true", "false"],  # Workaround for GH Action passing boolean as lowercase string
        "staging": ["True", "False", "true", "false"],  # Workaround for GH Action passing boolean as lowercase string
        "devtools": [True, False],  # FIXME: Split this up in testing and (development / build (pyinstaller) / system installer) tools
        "cloud_api_version": "ANY",
        "display_name": "ANY",  # TODO: should this be an option??
        "cura_debug_mode": [True, False],  # FIXME: Use profiles
        "internal": [True, False]
    }
    default_options = {
        "enterprise": "False",
        "staging": "False",
        "devtools": False,
        "cloud_api_version": "1",
        "display_name": "Ultimaker Cura",
        "cura_debug_mode": False,  # Not yet implemented
        "internal": False,
    }
    scm = {
        "type": "git",
        "subfolder": ".",
        "url": "auto",
        "revision": "auto"
    }

    @property
    def _pycharm_targets(self):
        return self.conan_data["pycharm_targets"]

    # FIXME: These env vars should be defined in the runenv.
    _cura_env = None

    @property
    def _cura_run_env(self):
        if self._cura_env:
            return self._cura_env

        self._cura_env = Environment()
        self._cura_env.define("QML2_IMPORT_PATH", str(self._site_packages.joinpath("PyQt6", "Qt6", "qml")))
        self._cura_env.define("QT_PLUGIN_PATH", str(self._site_packages.joinpath("PyQt6", "Qt6", "plugins")))

        if self.settings.os == "Linux":
            self._cura_env.define("QT_QPA_FONTDIR", "/usr/share/fonts")
            self._cura_env.define("QT_QPA_PLATFORMTHEME", "xdgdesktopportal")
            self._cura_env.define("QT_XKB_CONFIG_ROOT", "/usr/share/X11/xkb")
        return self._cura_env

    @property
    def _staging(self):
        return self.options.staging in ["True", 'true']

    @property
    def _enterprise(self):
        return self.options.enterprise in ["True", 'true']

    @property
    def _cloud_api_root(self):
        return "https://api-staging.ultimaker.com" if self._staging else "https://api.ultimaker.com"

    @property
    def _cloud_account_api_root(self):
        return "https://account-staging.ultimaker.com" if self._staging else "https://account.ultimaker.com"

    @property
    def _marketplace_root(self):
        return "https://marketplace-staging.ultimaker.com" if self._staging else "https://marketplace.ultimaker.com"

    @property
    def _digital_factory_url(self):
        return "https://digitalfactory-staging.ultimaker.com" if self._staging else "https://digitalfactory.ultimaker.com"

    @property
    def _cura_latest_url(self):
        return "https://software.ultimaker.com/latest.json"

    @property
    def requirements_txts(self):
        if self.options.devtools:
            return ["requirements.txt", "requirements-ultimaker.txt", "requirements-dev.txt"]
        return ["requirements.txt", "requirements-ultimaker.txt"]

    @property
    def _base_dir(self):
        if self.install_folder is None:
            if self.build_folder is not None:
                return Path(self.build_folder)
            return Path(os.getcwd(), "venv")
        if self.in_local_cache:
            return Path(self.install_folder)
        else:
            return Path(self.source_folder, "venv")

    @property
    def _share_dir(self):
        return self._base_dir.joinpath("share")

    @property
    def _script_dir(self):
        if self.settings.os == "Windows":
            return self._base_dir.joinpath("Scripts")
        return self._base_dir.joinpath("bin")

    @property
    def _site_packages(self):
        if self.settings.os == "Windows":
            return self._base_dir.joinpath("Lib", "site-packages")
        py_version = tools.Version(self.deps_cpp_info["cpython"].version)
        return self._base_dir.joinpath("lib", f"python{py_version.major}.{py_version.minor}", "site-packages")

    @property
    def _py_interp(self):
        py_interp = self._script_dir.joinpath(Path(self.deps_user_info["cpython"].python).name)
        if self.settings.os == "Windows":
            py_interp = Path(*[f'"{p}"' if " " in p else p for p in py_interp.parts])
        return py_interp

    def _generate_cura_version(self, location):
        with open(Path(__file__).parent.joinpath("CuraVersion.py.jinja"), "r") as f:
            cura_version_py = Template(f.read())

        cura_version = self.version
        if self.options.internal:
            version = tools.Version(self.version)
            cura_version = f"{version.major}.{version.minor}.{version.patch}-{version.prerelease.replace('+', '+internal_')}"

        with open(Path(location, "CuraVersion.py"), "w") as f:
            f.write(cura_version_py.render(
                cura_app_name = self.name,
                cura_app_display_name = self.options.display_name,
                cura_version = cura_version,
                cura_build_type = "Enterprise" if self._enterprise else "",
                cura_debug_mode = self.options.cura_debug_mode,
                cura_cloud_api_root = self._cloud_api_root,
                cura_cloud_api_version = self.options.cloud_api_version,
                cura_cloud_account_api_root = self._cloud_account_api_root,
                cura_marketplace_root = self._marketplace_root,
                cura_digital_factory_url = self._digital_factory_url,
                cura_latest_url = self._cura_latest_url))

    def _generate_pyinstaller_spec(self, location, entrypoint_location, icon_path, entitlements_file):
        pyinstaller_metadata = self._um_data()["pyinstaller"]
        datas = [(str(self._base_dir.joinpath("conan_install_info.json")), ".")]
        for data in pyinstaller_metadata["datas"].values():
            if not self.options.internal and data.get("internal", False):
                continue

            if "package" in data:  # get the paths from conan package
                if data["package"] == self.name:
                    if self.in_local_cache:
                        src_path = Path(self.package_folder, data["src"])
                    else:
                        src_path = Path(self.source_folder, data["src"])
                else:
                    src_path = Path(self.deps_cpp_info[data["package"]].rootpath, data["src"])
            elif "root" in data:  # get the paths relative from the sourcefolder
                src_path = Path(self.source_folder, data["root"], data["src"])
            else:
                continue
            if src_path.exists():
                datas.append((str(src_path), data["dst"]))

        binaries = []
        for binary in pyinstaller_metadata["binaries"].values():
            if "package" in binary:  # get the paths from conan package
                src_path = Path(self.deps_cpp_info[binary["package"]].rootpath, binary["src"])
            elif "root" in binary:  # get the paths relative from the sourcefolder
                src_path = Path(self.source_folder, binary["root"], binary["src"])
            else:
                continue
            if not src_path.exists():
                continue
            for bin in src_path.glob(binary["binary"] + ".*[exe|dll|so|dylib]"):
                binaries.append((str(bin), binary["dst"]))
            for bin in src_path.glob(binary["binary"]):
                binaries.append((str(bin), binary["dst"]))

        for _, dependency in self.dependencies.items():
            for bin_paths in dependency.cpp_info.bindirs:
                binaries.extend([(f"{p}", ".") for p in Path(bin_paths).glob("**/*.dll")])
                binaries.extend([(f"{p}", ".") for p in Path(bin_paths).glob("**/*.dylib")])
                binaries.extend([(f"{p}", ".") for p in Path(bin_paths).glob("**/*.so")])

        # Copy dynamic libs from lib path
        binaries.extend([(f"{p}", ".") for p in Path(self._base_dir.joinpath("lib")).glob("**/*.dylib")])

        # Collect all dll's from PyQt6 and place them in the root
        binaries.extend([(f"{p}", ".") for p in Path(self._site_packages, "PyQt6", "Qt6").glob("**/*.dll")])

        with open(Path(__file__).parent.joinpath("Ultimaker-Cura.spec.jinja"), "r") as f:
            pyinstaller = Template(f.read())

        cura_version = tools.Version(self.version) if self.version else tools.Version("0.0.0")

        with open(Path(location, "Ultimaker-Cura.spec"), "w") as f:
            f.write(pyinstaller.render(
                name = str(self.options.display_name).replace(" ", "-"),
                display_name = self.options.display_name,
                entrypoint = entrypoint_location,
                datas = datas,
                binaries = binaries,
                venv_script_path = str(self._script_dir),
                hiddenimports = pyinstaller_metadata["hiddenimports"],
                collect_all = pyinstaller_metadata["collect_all"],
                icon = icon_path,
                entitlements_file = entitlements_file,
                osx_bundle_identifier = "'nl.ultimaker.cura'" if self.settings.os == "Macos" else "None",
                upx = str(self.settings.os == "Windows"),
                strip = False,  # This should be possible on Linux and MacOS but, it can also cause issues on some distributions. Safest is to disable it for now
                target_arch = "'x86_64'" if self.settings.os == "Macos" else "None",  # FIXME: Make this dependent on the settings.arch_target
                macos = self.settings.os == "Macos",
                version = f"'{self.version}'",
                short_version = f"'{cura_version.major}.{cura_version.minor}.{cura_version.patch}'",
            ))

    def configure(self):
        self.options["pyarcus"].shared = True
        self.options["pysavitar"].shared = True
        self.options["pynest2d"].shared = True
        self.options["cpython"].shared = True
        self.options["pyqt6"].shared = True

    def validate(self):
        if self.version and tools.Version(self.version) <= tools.Version("4"):
            raise ConanInvalidConfiguration("Only versions 5+ are support")

    def requirements(self):
        for req in self._um_data()["requirements"]:
            self.requires(req)
        if self.options.internal:
            for req in self._um_data()["internal_requirements"]:
                self.requires(req)

    def layout(self):
        self.folders.source = "."
        self.folders.build = "venv"
        self.folders.generators = Path(self.folders.build, "conan")

        self.cpp.package.libdirs = [os.path.join("site-packages", "cura")]
        self.cpp.package.bindirs = ["bin"]
        self.cpp.package.resdirs = ["resources", "plugins", "packaging", "pip_requirements"]  # pip_requirements should be the last item in the list

    def build(self):
        pass

    def generate(self):
        cura_run_envvars = self._cura_run_env.vars(self, scope = "run")
        ext = ".ps1" if self.settings.os == "Windows" else ".sh"
        cura_run_envvars.save_script(self.folders.generators.joinpath(f"cura_run_environment{ext}"))

        vr = VirtualRunEnv(self)
        vr.generate()

        self._generate_cura_version(Path(self.source_folder, "cura"))

        if self.options.devtools:
            entitlements_file = "'{}'".format(Path(self.source_folder, "packaging", "dmg", "cura.entitlements"))
            self._generate_pyinstaller_spec(location = self.generators_folder,
                                            entrypoint_location = "'{}'".format(Path(self.source_folder, self._um_data()["runinfo"]["entrypoint"])).replace("\\", "\\\\"),
                                            icon_path = "'{}'".format(Path(self.source_folder, "packaging", self._um_data()["pyinstaller"]["icon"][str(self.settings.os)])).replace("\\", "\\\\"),
                                            entitlements_file = entitlements_file if self.settings.os == "Macos" else "None")

    def imports(self):
        self.copy("CuraEngine.exe", root_package = "curaengine", src = "@bindirs", dst = "", keep_path = False)
        self.copy("CuraEngine", root_package = "curaengine", src = "@bindirs", dst = "", keep_path = False)

        files.rmdir(self, "resources/materials")
        self.copy("*.fdm_material", root_package = "fdm_materials", src = "@resdirs", dst = "resources/materials", keep_path = False)
        self.copy("*.sig", root_package = "fdm_materials", src = "@resdirs", dst = "resources/materials", keep_path = False)

        if self.options.internal:
            self.copy("*.fdm_material", root_package = "fdm_materials_private", src = "@resdirs", dst = "resources/materials", keep_path = False)
            self.copy("*.sig", root_package = "fdm_materials_private", src = "@resdirs", dst = "resources/materials", keep_path = False)
            self.copy("*", root_package = "cura_private_data", src = self.deps_cpp_info["cura_private_data"].resdirs[0],
                           dst = self._share_dir.joinpath("cura", "resources"), keep_path = True)

        # Copy resources of cura_binary_data
        self.copy("*", root_package = "cura_binary_data", src = self.deps_cpp_info["cura_binary_data"].resdirs[0],
                       dst = self._share_dir.joinpath("cura", "resources"), keep_path = True)
        self.copy("*", root_package = "cura_binary_data", src = self.deps_cpp_info["cura_binary_data"].resdirs[1],
                       dst =self._share_dir.joinpath("uranium", "resources"), keep_path = True)

        self.copy("*.dll", src = "@bindirs", dst = self._site_packages)
        self.copy("*.pyd", src = "@libdirs", dst = self._site_packages)
        self.copy("*.pyi", src = "@libdirs", dst = self._site_packages)
        self.copy("*.dylib", src = "@libdirs", dst = self._script_dir)

    def deploy(self):
        # Copy CuraEngine.exe to bindirs of Virtual Python Environment
        # TODO: Fix source such that it will get the curaengine relative from the executable (Python bindir in this case)
        self.copy_deps("CuraEngine.exe", root_package = "curaengine", src = self.deps_cpp_info["curaengine"].bindirs[0],
                       dst = self._base_dir,
                       keep_path = False)
        self.copy_deps("CuraEngine", root_package = "curaengine", src = self.deps_cpp_info["curaengine"].bindirs[0], dst = self._base_dir,
                       keep_path = False)

        # Copy resources of Cura (keep folder structure)
        self.copy("*", src = self.cpp_info.bindirs[0], dst = self._base_dir, keep_path = False)
        self.copy("*", src = self.cpp_info.libdirs[0], dst = self._site_packages.joinpath("cura"), keep_path = True)
        self.copy("*", src = self.cpp_info.resdirs[0], dst = self._share_dir.joinpath("cura", "resources"), keep_path = True)
        self.copy("*", src = self.cpp_info.resdirs[1], dst = self._share_dir.joinpath("cura", "plugins"), keep_path = True)

        # Copy materials (flat)
        self.copy_deps("*.fdm_material", root_package = "fdm_materials", src = self.deps_cpp_info["fdm_materials"].resdirs[0],
                       dst = self._share_dir.joinpath("cura", "resources", "materials"), keep_path = False)
        self.copy_deps("*.sig", root_package = "fdm_materials", src = self.deps_cpp_info["fdm_materials"].resdirs[0],
                       dst = self._share_dir.joinpath("cura", "resources", "materials"), keep_path = False)

        # Copy internal resources
        if self.options.internal:
            self.copy_deps("*.fdm_material", root_package = "fdm_materials_private", src = self.deps_cpp_info["fdm_materials_private"].resdirs[0],
                           dst = self._share_dir.joinpath("cura", "resources", "materials"), keep_path = False)
            self.copy_deps("*.sig", root_package = "fdm_materials_private", src = self.deps_cpp_info["fdm_materials_private"].resdirs[0],
                           dst = self._share_dir.joinpath("cura", "resources", "materials"), keep_path = False)
            self.copy_deps("*", root_package = "cura_private_data", src = self.deps_cpp_info["cura_private_data"].resdirs[0],
                           dst = self._share_dir.joinpath("cura", "resources"), keep_path = True)

        # Copy resources of Uranium (keep folder structure)
        self.copy_deps("*", root_package = "uranium", src = self.deps_cpp_info["uranium"].resdirs[0],
                       dst = self._share_dir.joinpath("uranium", "resources"), keep_path = True)
        self.copy_deps("*", root_package = "uranium", src = self.deps_cpp_info["uranium"].resdirs[1],
                       dst = self._share_dir.joinpath("uranium", "plugins"), keep_path = True)
        self.copy_deps("*", root_package = "uranium", src = self.deps_cpp_info["uranium"].libdirs[0],
                       dst = self._site_packages.joinpath("UM"),
                       keep_path = True)
        self.copy_deps("*", root_package = "uranium", src = str(Path(self.deps_cpp_info["uranium"].libdirs[0], "Qt", "qml", "UM")),
                       dst = self._site_packages.joinpath("PyQt6", "Qt6", "qml", "UM"),
                       keep_path = True)

        # Copy resources of cura_binary_data
        self.copy_deps("*", root_package = "cura_binary_data", src = self.deps_cpp_info["cura_binary_data"].resdirs[0],
                       dst = self._share_dir.joinpath("cura"), keep_path = True)
        self.copy_deps("*", root_package = "cura_binary_data", src = self.deps_cpp_info["cura_binary_data"].resdirs[1],
                       dst = self._share_dir.joinpath("uranium"), keep_path = True)
        if self.settings.os == "Windows":
            self.copy_deps("*", root_package = "cura_binary_data", src = self.deps_cpp_info["cura_binary_data"].resdirs[2],
                           dst = self._share_dir.joinpath("windows"), keep_path = True)

        self.copy_deps("*.dll", src = "@bindirs", dst = self._site_packages)
        self.copy_deps("*.pyd", src = "@libdirs", dst = self._site_packages)
        self.copy_deps("*.pyi", src = "@libdirs", dst = self._site_packages)
        self.copy_deps("*.dylib", src = "@libdirs", dst = self._base_dir.joinpath("lib"))

        # Copy packaging scripts
        self.copy("*", src = self.cpp_info.resdirs[2], dst = self._base_dir.joinpath("packaging"))

        # Copy requirements.txt's
        self.copy("*.txt", src = self.cpp_info.resdirs[-1], dst = self._base_dir.joinpath("pip_requirements"))

        # Generate the GitHub Action version info Environment
        cura_version = tools.Version(self.version)
        env_prefix = "Env:" if self.settings.os == "Windows" else ""
        activate_github_actions_version_env = Template(r"""echo "CURA_VERSION_MAJOR={{ cura_version_major }}" >> ${{ env_prefix }}GITHUB_ENV
echo "CURA_VERSION_MINOR={{ cura_version_minor }}" >> ${{ env_prefix }}GITHUB_ENV
echo "CURA_VERSION_PATCH={{ cura_version_patch }}" >> ${{ env_prefix }}GITHUB_ENV
echo "CURA_VERSION_BUILD={{ cura_version_build }}" >> ${{ env_prefix }}GITHUB_ENV
echo "CURA_VERSION_FULL={{ cura_version_full }}" >> ${{ env_prefix }}GITHUB_ENV
        """).render(cura_version_major = cura_version.major,
                    cura_version_minor = cura_version.minor,
                    cura_version_patch = cura_version.patch,
                    cura_version_build = cura_version.build if cura_version.build != "" else "0",
                    cura_version_full = self.version,
                    env_prefix = env_prefix)

        ext = ".sh" if self.settings.os != "Windows" else ".ps1"
        files.save(self, self._script_dir.joinpath(f"activate_github_actions_version_env{ext}"), activate_github_actions_version_env)

        self._generate_cura_version(Path(self._site_packages, "cura"))

        entitlements_file = "'{}'".format(Path(self.cpp_info.res_paths[2], "dmg", "cura.entitlements"))
        self._generate_pyinstaller_spec(location = self._base_dir,
                                        entrypoint_location = "'{}'".format(Path(self.cpp_info.bin_paths[0], self._um_data()["runinfo"]["entrypoint"])).replace("\\", "\\\\"),
                                        icon_path = "'{}'".format(Path(self.cpp_info.res_paths[2], self._um_data()["pyinstaller"]["icon"][str(self.settings.os)])).replace("\\", "\\\\"),
                                        entitlements_file = entitlements_file if self.settings.os == "Macos" else "None")

    def package(self):
        self.copy("cura_app.py", src = ".", dst = self.cpp.package.bindirs[0])
        self.copy("*", src = "cura", dst = self.cpp.package.libdirs[0])
        self.copy("*", src = "resources", dst = self.cpp.package.resdirs[0])
        self.copy("*", src = "plugins", dst = self.cpp.package.resdirs[1])
        self.copy("requirement*.txt", src = ".", dst = self.cpp.package.resdirs[-1])
        self.copy("*", src = "packaging", dst = self.cpp.package.resdirs[2])

    def package_info(self):
        self.user_info.pip_requirements = "requirements.txt"
        self.user_info.pip_requirements_git = "requirements-ultimaker.txt"
        self.user_info.pip_requirements_build = "requirements-dev.txt"

        if self.in_local_cache:
            self.runenv_info.append_path("PYTHONPATH", str(Path(self.cpp_info.lib_paths[0]).parent))
            self.runenv_info.append_path("PYTHONPATH", self.cpp_info.res_paths[1])  # Add plugins to PYTHONPATH
        else:
            self.runenv_info.append_path("PYTHONPATH", self.source_folder)
            self.runenv_info.append_path("PYTHONPATH", os.path.join(self.source_folder, "plugins"))

    def package_id(self):
        del self.info.settings.os
        del self.info.settings.compiler
        del self.info.settings.build_type
        del self.info.settings.arch

        # The following options shouldn't be used to determine the hash, since these are only used to set the CuraVersion.py
        # which will als be generated by the deploy method during the `conan install cura/5.1.0@_/_`
        del self.info.options.enterprise
        del self.info.options.staging
        del self.info.options.devtools
        del self.info.options.cloud_api_version
        del self.info.options.display_name
        del self.info.options.cura_debug_mode

        # TODO: Use the hash of requirements.txt and requirements-ultimaker.txt, Because changing these will actually result in a different
        #  Cura. This is needed because the requirements.txt aren't managed by Conan and therefor not resolved in the package_id. This isn't
        #  ideal but an acceptable solution for now.