#############################################################################
##
## Copyright (C) 2018 The Qt Company Ltd.
## Contact: https://www.qt.io/licensing/
##
## This file is part of Qt for Python.
##
## $QT_BEGIN_LICENSE:LGPL$
## Commercial License Usage
## Licensees holding valid commercial Qt licenses may use this file in
## accordance with the commercial license agreement provided with the
## Software or, alternatively, in accordance with the terms contained in
## a written agreement between you and The Qt Company. For licensing terms
## and conditions see https://www.qt.io/terms-conditions. For further
## information use the contact form at https://www.qt.io/contact-us.
##
## GNU Lesser General Public License Usage
## Alternatively, this file may be used under the terms of the GNU Lesser
## General Public License version 3 as published by the Free Software
## Foundation and appearing in the file LICENSE.LGPL3 included in the
## packaging of this file. Please review the following information to
## ensure the GNU Lesser General Public License version 3 requirements
## will be met: https://www.gnu.org/licenses/lgpl-3.0.html.
##
## GNU General Public License Usage
## Alternatively, this file may be used under the terms of the GNU
## General Public License version 2.0 or (at your option) the GNU General
## Public license version 3 or any later version approved by the KDE Free
## Qt Foundation. The licenses are as published by the Free Software
## Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
## included in the packaging of this file. Please review the following
## information to ensure the GNU General Public License requirements will
## be met: https://www.gnu.org/licenses/gpl-2.0.html and
## https://www.gnu.org/licenses/gpl-3.0.html.
##
## $QT_END_LICENSE$
##
#############################################################################

from __future__ import print_function
import sys
import os


class Options(object):
    def __init__(self):

        # Dictionary containing values of all the possible options.
        self.dict = {}

    def has_option(self, name):
        """ Returns True if argument '--name' was passed on the command
        line. """
        try:
            sys.argv.remove("--{}".format(name))
            self.dict[name] = True
            return True
        except ValueError:
            pass
        return False

    def option_value(self, name, remove=True):
        """
        Returns the value of a command line option or environment
        variable.

        :param name: The name of the command line option or environment
         variable.

        :param remove: Whether the option and its value should be
         removed from sys.argv. Useful when there's a need to query for
         the value and also pass it along to setuptools for example.

        :return: Either the option value or None.
        """
        for index, option in enumerate(sys.argv):
            if option == '--' + name:
                if index + 1 >= len(sys.argv):
                    raise RuntimeError("The option {} requires a value".format(option))
                value = sys.argv[index + 1]

                if remove:
                    sys.argv[index:index + 2] = []

                self.dict[name] = value
                return value

            if option.startswith('--' + name + '='):
                value = option[len(name) + 3:]

                if remove:
                    sys.argv[index:index + 1] = []

                self.dict[name] = value
                return value

        env_val = os.getenv(name.upper().replace('-', '_'))
        self.dict[name] = env_val
        return env_val


options = Options()


def has_option(name):
    return options.has_option(name)


def option_value(*args,**kwargs):
    return options.option_value(*args,**kwargs)


# Declare options
OPTION_BUILD_TYPE = option_value("build-type")
OPTION_INTERNAL_BUILD_TYPE = option_value("internal-build-type")
OPTION_DEBUG = has_option("debug")
OPTION_RELWITHDEBINFO = has_option('relwithdebinfo')
OPTION_QMAKE = option_value("qmake")
OPTION_QT_VERSION = option_value("qt")
OPTION_CMAKE = option_value("cmake")
OPTION_OPENSSL = option_value("openssl")
OPTION_SHIBOKEN_CONFIG_DIR = option_value("shiboken-config-dir")
OPTION_ONLYPACKAGE = has_option("only-package")
OPTION_STANDALONE = has_option("standalone")
OPTION_MAKESPEC = option_value("make-spec")
OPTION_IGNOREGIT = has_option("ignore-git")
# don't generate documentation
OPTION_SKIP_DOCS = has_option("skip-docs")
# don't include pyside2-examples
OPTION_NOEXAMPLES = has_option("no-examples")
# number of parallel build jobs
OPTION_JOBS = option_value('jobs')
# Legacy, not used any more.
OPTION_JOM = has_option('jom')
# Do not use jom instead of nmake with msvc
OPTION_NO_JOM = has_option('no-jom')
OPTION_BUILDTESTS = has_option("build-tests")
OPTION_MACOS_ARCH = option_value("macos-arch")
OPTION_MACOS_USE_LIBCPP = has_option("macos-use-libc++")
OPTION_MACOS_SYSROOT = option_value("macos-sysroot")
OPTION_MACOS_DEPLOYMENT_TARGET = option_value("macos-deployment-target")
OPTION_XVFB = has_option("use-xvfb")
OPTION_REUSE_BUILD = has_option("reuse-build")
OPTION_SKIP_CMAKE = has_option("skip-cmake")
OPTION_SKIP_MAKE_INSTALL = has_option("skip-make-install")
OPTION_SKIP_PACKAGING = has_option("skip-packaging")
OPTION_SKIP_MODULES = option_value("skip-modules")
OPTION_MODULE_SUBSET = option_value("module-subset")
OPTION_RPATH_VALUES = option_value("rpath")
OPTION_QT_CONF_PREFIX = option_value("qt-conf-prefix")
OPTION_QT_SRC = option_value("qt-src-dir")
OPTION_VERBOSE_BUILD = has_option("verbose-build")
OPTION_SANITIZE_ADDRESS = has_option("sanitize-address")
OPTION_SNAPSHOT_BUILD = has_option("snapshot-build")
OPTION_LIMITED_API = option_value("limited-api")
OPTION_PACKAGE_TIMESTAMP = option_value("package-timestamp")

# This is used automatically by distutils.command.install object, to
# specify the final installation location.
OPTION_FINAL_INSTALL_PREFIX = option_value("prefix", remove=False)