# vim: set sts=2 ts=8 sw=2 tw=99 et ft=python:
import os

def ResolveEnvPath(env, folder):
  if env in os.environ and os.path.isdir(os.environ[env]):
    return os.environ[env]
  head = os.getcwd()
  oldhead = None
  while head != oldhead:
    path = os.path.join(head, folder)
    if os.path.isdir(path):
      return path
    oldhead = head
    head = os.path.dirname(head)
  return None

mms_root = os.path.abspath(builder.options.mms_path)
SdkHelpers = builder.Eval(os.path.join(builder.options.hl2sdk_manifests, 'SdkHelpers.ambuild'), {
  'Project': 'metamod'
})

class SendProxyConfig(object):
  def __init__(self):
    self.plugin_name = 'sendproxy'
    self.plugin_alias = 'sendproxy'
    self.binaries = []
    self.all_targets = []
    for arch in builder.options.targets.split(','):
      self.all_targets.append(builder.DetectCxx(target_arch=arch))

  def findSdkPath(self, sdk_name):
    path = os.path.join(builder.options.hl2sdk_root, 'hl2sdk-{}'.format(sdk_name))
    if os.path.exists(path):
      return path
    return ResolveEnvPath('HL2SDK{}'.format(sdk_name.upper()), 'hl2sdk-{}'.format(sdk_name))

  def configure(self):
    SdkHelpers.find_sdk_path = self.findSdkPath
    SdkHelpers.findSdks(builder, self.all_targets, [s for s in builder.options.sdks.split(',') if s])
    if len(SdkHelpers.sdks) != 1:
      raise Exception('Build exactly one SDK, expected cs2.')

    for sdk_target in SdkHelpers.sdk_targets:
      self.configureTarget(sdk_target.cxx, sdk_target.sdk)

  def configureCommon(self, cxx):
    if cxx.behavior == 'gcc':
      cxx.defines += [
        'stricmp=strcasecmp', '_stricmp=strcasecmp', '_snprintf=snprintf',
        '_vsnprintf=vsnprintf', 'HAVE_STDINT_H', 'GNUC',
      ]
      cxx.cflags += ['-pipe', '-fno-strict-aliasing', '-Wall', '-Wno-unused', '-Wno-switch', '-msse', '-fPIC', '-fno-omit-frame-pointer']
      cxx.cxxflags += ['-std=c++20', '-fno-exceptions', '-fno-threadsafe-statics', '-Wno-non-virtual-dtor', '-Wno-overloaded-virtual', '-Wno-register', '-Wno-invalid-offsetof']
      cxx.cflags += ['-fvisibility=hidden']
      cxx.cxxflags += ['-fvisibility-inlines-hidden']
      if cxx.family == 'gcc':
        cxx.cflags += ['-mfpmath=sse']
      if builder.options.opt == '1':
        cxx.defines += ['NDEBUG']
        cxx.cflags += ['-O2']
      if builder.options.debug == '1':
        cxx.defines += ['DEBUG', '_DEBUG']
        cxx.cflags += ['-g3']

    if cxx.target.platform == 'linux':
      cxx.defines += ['LINUX', '_LINUX', 'POSIX', '_FILE_OFFSET_BITS=64', 'META_IS_SOURCE2']
      cxx.linkflags += ['-static-libgcc', '-static-libstdc++']

  def configureTarget(self, cxx, sdk):
    self.configureCommon(cxx)
    binary = cxx.Library(self.plugin_name)
    cxx = binary.compiler

    cxx.cxxincludes += [
      os.path.join(builder.sourcePath, 'src'),
      os.path.join(mms_root, 'core'),
      os.path.join(mms_root, 'core', 'sourcehook'),
      os.path.join(sdk['path'], 'public'),
      os.path.join(sdk['path'], 'public', 'tier0'),
      os.path.join(sdk['path'], 'public', 'tier1'),
      os.path.join(sdk['path'], 'public', 'entity2'),
      os.path.join('/home/csgo/am/STFixes-metamod/vendor/funchook/include'),
      os.path.join('/home/csgo/am/STFixes-metamod/protobuf/generated'),
    ]
    for manifest in SdkHelpers.sdk_manifests:
      cxx.defines += ['SE_{}={}'.format(manifest['define'], manifest['code'])]

    SdkHelpers.configureCxx(builder, binary, sdk)
    binary.sources += [
      os.path.join(sdk['path'], 'public', 'tier0', 'memoverride.cpp'),
      os.path.join(sdk['path'], 'tier1', 'convar.cpp'),
      'src/plugin.cpp',
      'src/module.cpp',
      'src/gameconfig.cpp',
      'src/schema.cpp',
      'src/overrides.cpp',
      'src/detour.cpp',
    ]
    binary.compiler.postlink += [
      '/home/csgo/am/STFixes-metamod/vendor/funchook/lib/Release/libfunchook.a',
      '/home/csgo/am/STFixes-metamod/vendor/funchook/lib/Release/libdistorm.a',
    ]
    nodes = builder.Add(binary)
    self.binaries += [nodes]

SendProxy = SendProxyConfig()
SendProxy.configure()

BuildScripts = ['PackageScript']
builder.Build(BuildScripts, {'MMSPlugin': SendProxy})