# Copyright (C) 2010 Google Inc. All rights reserved.
# Copyright (C) 2013-2019 Apple Inc. All rights reserved.
# Copyright (C) 2013 Nokia Corporation and/or its subsidiary(-ies).
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"""Factory method to retrieve the appropriate port implementation."""

import fnmatch
import optparse
import re

from webkitpy.port import builders
from webkitpy.port import config
from webkitpy.common.system import executive
from webkitpy.common.system import filesystem


def platform_options(use_globs=False):
    return [
        optparse.make_option('--platform', action='store',
            help=('Glob-style list of platform/ports to use (e.g., "mac*")' if use_globs else 'Platform to use (e.g., "mac-lion")')),
        optparse.make_option('--ios-simulator', action='store_const', dest='platform',
            const=('ios-simulator'),
            help=('Alias for --platform=ios-simulator')),
        optparse.make_option('--iphone-simulator', action='store_const', dest='platform',
            const=('iphone-simulator'),
            help=('Alias for --platform=iphone-simulator')),
        optparse.make_option('--ipad-simulator', action='store_const', dest='platform',
            const=('ipad-simulator'),
            help=('Alias for --platform=ipad-simulator')),
        optparse.make_option('--simulator', action='store_const', dest='platform',
            const=('ios-simulator'),
            help=('DEPRECATED alias for --platform=ios-simulator')),
        optparse.make_option('--gtk', action='store_const', dest='platform',
            const=('gtk*' if use_globs else 'gtk'),
            help=('Alias for --platform=gtk*' if use_globs else 'Alias for --platform=gtk')),
        optparse.make_option('--wpe', action='store_const', dest='platform',
            const=('wpe*' if use_globs else 'wpe'),
            help=('Alias for --platform=wpe')),
        optparse.make_option('--wincairo', action='store_const', dest='platform',
            const=('wincairo'),
            help=('Alias for --platform=wincairo')),
        optparse.make_option('--ftw', action='store_const', dest='platform',
            const=('ftw'),
            help=('Alias for --platform=ftw')),
        optparse.make_option('--maccatalyst', action='store_const', dest='platform',
            const=('maccatalyst'),
            help=('Alias for --platform=maccatalyst')),
        ] + (config.apple_additions().platform_options() if config.apple_additions() else [])


def configuration_options():
    return [
        optparse.make_option("-t", "--target", default=config.Config(executive.Executive(), filesystem.FileSystem()).default_configuration(), dest="configuration", help="(DEPRECATED) (default: %default)"),
        optparse.make_option('--debug', action='store_const', const='Debug', dest="configuration",
            help='Set the configuration to Debug'),
        optparse.make_option('--release', action='store_const', const='Release', dest="configuration",
            help='Set the configuration to Release'),
        optparse.make_option('--64-bit', action='store_const', const='x86_64', default=None, dest="architecture",
            help='use 64-bit binaries by default (x86_64 instead of x86)'),
        optparse.make_option('--32-bit', action='store_const', const='x86', default=None, dest="architecture",
            help='use 32-bit binaries by default (x86 instead of x86_64)'),
        ]


def _builder_options(builder_name):
    configuration = "Debug" if re.search(r"[d|D](ebu|b)g", builder_name) else "Release"
    is_webkit2 = builder_name.find("WK2") != -1
    return optparse.Values({'builder_name': builder_name, 'configuration': configuration, 'webkit_test_runner': is_webkit2})


class PortFactory(object):
    # Order matters.  For port classes that have a port_name with a
    # common prefix, the more specific port class should be listed
    # first.
    PORT_CLASSES = (
        'gtk.GtkPort',
        'ios_simulator.IOSSimulatorPort',
        'ios_simulator.IPhoneSimulatorPort',
        'ios_simulator.IPadSimulatorPort',
        'ios_device.IOSDevicePort',
        'watch_simulator.WatchSimulatorPort',
        'watch_device.WatchDevicePort',
        'jsc_only.JscOnlyPort',
        'mac.MacCatalystPort',
        'mac.MacPort',
        'mock_drt.MockDRTPort',
        'test.TestPort',
        'win.FTWPort',
        'win.WinCairoPort',
        'win.WinPort',
        'wpe.WPEPort',
    )

    def __init__(self, host):
        self._host = host

    def _default_port(self, options):
        platform = self._host.platform
        if platform.is_linux() or platform.is_freebsd():
            return 'gtk'
        elif platform.is_mac():
            return 'mac'
        elif platform.is_win():
            return 'win'
        raise NotImplementedError('unknown platform: %s' % platform)

    def get(self, port_name=None, options=None, **kwargs):
        """Returns an object implementing the Port interface. If
        port_name is None, this routine attempts to guess at the most
        appropriate port on this platform."""
        port_name = port_name or self._default_port(options)

        classes = []
        for port_class in self.PORT_CLASSES:
            module_name, class_name = port_class.rsplit('.', 1)
            module = __import__('webkitpy.port.{}'.format(module_name), globals(), locals(), [], 0)
            cls = module.__dict__.get('port').__dict__.get(module_name).__dict__.get(class_name)
            if cls:
                classes.append(cls)
        if config.apple_additions() and hasattr(config.apple_additions(), 'ports'):
            classes += config.apple_additions().ports()

        for cls in classes:
            if port_name.startswith(cls.port_name):
                port_name = cls.determine_full_port_name(self._host, options, port_name)
                return cls(self._host, port_name, options=options, **kwargs)
        raise NotImplementedError('unsupported platform: "%s"' % port_name)

    def all_port_names(self, platform=None):
        """Return a list of all valid, fully-specified, "real" port names.

        This is the list of directories that are used as actual baseline_paths()
        by real ports. This does not include any "fake" names like "test"
        or "mock-mac", and it does not include any directories that are not.

        If platform is not specified, we will glob-match all ports"""
        platform = platform or '*'
        return fnmatch.filter(builders.all_port_names(), platform)

    def get_from_builder_name(self, builder_name):
        port_name = builders.port_name_for_builder_name(builder_name)
        assert port_name, "unrecognized builder name '%s'" % builder_name
        return self.get(port_name, _builder_options(builder_name))