# generate vcxproj file

from os.path import normpath, join, split, relpath
from os import access, F_OK
from enum import IntEnum

class Project_Type(IntEnum):
  APP = 0
  LIB = 1
  DLL = 2

app_ext = ('.exe', '.lib', '.dll')
app_str = ('Application', 'StaticLibrary', 'DynamicLibrary')

def vcx_proj_cfg(plat, outf):

  f1 = r'''  <ItemGroup Label="ProjectConfigurations">
'''
  f2 = r'''    <ProjectConfiguration Include="{1:s}|{0:s}">
      <Configuration>{1:s}</Configuration>
      <Platform>{0:s}</Platform>
    </ProjectConfiguration>
'''
  f3 = r'''  </ItemGroup>
'''
  outf.write(f1)
  for pl in plat:
    for conf in ('Release', 'Debug'):
      outf.write(f2.format(pl, conf))
  outf.write(f3)

def vcx_globals(name, guid, vs_info, outf):

  f1 = r'''  <PropertyGroup Label="Globals">
    <RootNamespace>{0:s}</RootNamespace>
    <Keyword>Win32Proj</Keyword>
    <ProjectGuid>{1:s}</ProjectGuid>
    <WindowsTargetPlatformVersion>{2:s}</WindowsTargetPlatformVersion>
  </PropertyGroup>
'''
  outf.write(f1.format(name, guid, vs_info['windows_sdk']))

def vcx_default_cpp_props(outf):

  f1 = r'''  <Import Project="$(VCTargetsPath)\Microsoft.Cpp.Default.props" />
'''
  outf.write(f1)

def vcx_library_type(plat, proj_type, vs_info, outf):

  f1 = r'''  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='{1:s}|{0:s}'" Label="Configuration">
    <ConfigurationType>{2:s}</ConfigurationType>
    <UseDebugLibraries>{3:s}</UseDebugLibraries>
    <PlatformToolset>v{4:s}</PlatformToolset>
  </PropertyGroup>
'''
  for pl in plat:
    for conf, bool in (('Release', 'false'), ('Debug', 'true')):
      outf.write(f1.format(pl, conf, app_str[proj_type], bool, vs_info['platform_toolset']))

def vcx_cpp_props(outf):

  f1 = r'''  <Import Project="$(VCTargetsPath)\Microsoft.Cpp.props" />
'''
  outf.write(f1)

def vcx_extensions(outf, dir):

  f1 = r'''  <ImportGroup Label="ExtensionSettings">
    <Import Project="{0:s}vsyasm.props" />
  </ImportGroup>
'''
  outf.write(f1.format(dir))

def vcx_user_props(plat, proj_type, outf):

  f1 = r'''  <ImportGroup Condition="'$(Configuration)|$(Platform)'=='{1:s}|{0:s}'" Label="PropertySheets">
    <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" />
    <Import Project="..\..\mpir_{2:s}_{3:s}.props" />
  </ImportGroup>
'''
  for pl in plat:
    for conf in ('Release', 'Debug'):
      outf.write(f1.format(pl, conf, conf.lower(), app_ext[proj_type][1:]))

def vcx_target_name_and_dirs(name, plat, proj_type, outf):

  f1 = r'''  <PropertyGroup>
    <_ProjectFileVersion>10.0.21006.1</_ProjectFileVersion>
'''
  f2 = r'''    <TargetName Condition="'$(Configuration)|$(Platform)'=='{1:s}|{0:s}'">{2:s}</TargetName>
'''
  f3 = r'''  </PropertyGroup>
'''
  outf.write(f1)
  for pl in plat:
    for conf in ('Release', 'Debug'):
      outf.write(f2.format(pl, conf, name))
  outf.write(f3)

def yasm_options(plat, proj_type, outf):

  f1 = r'''    <YASM>
      <Defines>{0:s}</Defines>
      <IncludePaths>..\..\..\mpn\x86{1:s}w\</IncludePaths>
      <Debug>true</Debug>
      <ObjectFile>$(IntDir)mpn\%(FileName).obj</ObjectFile>
    </YASM>
'''

  outf.write(f1.format('DLL' if proj_type == Project_Type.DLL else '', '' if plat == 'Win32' else '_64'))

def compiler_options(plat, proj_type, is_debug, is_avx2, outf):

  f1 = r'''    <ClCompile>
      <AdditionalIncludeDirectories>..\..\..\</AdditionalIncludeDirectories>
      <PreprocessorDefinitions>{0:s}%(PreprocessorDefinitions)</PreprocessorDefinitions>
'''
  f2 = r'''      <EnableEnhancedInstructionSet>AdvancedVectorExtensions2</EnableEnhancedInstructionSet>
'''
  f3 = r'''    </ClCompile>
'''
  if proj_type == Project_Type.APP:
    s1 = 'DEBUG;WIN32;_CONSOLE;'
  if proj_type == Project_Type.DLL:
    s1 = 'DEBUG;WIN32;HAVE_CONFIG_H;MSC_BUILD_DLL;'
  elif proj_type == Project_Type.LIB:
    s1 = 'DEBUG;WIN32;_LIB;HAVE_CONFIG_H;'
  else:
    pass
  if plat == 'x64':
    s1 = s1 + '_WIN64;'
  s1 = ('_' if is_debug else 'N') + s1
  outf.write(f1.format(s1))
  if is_avx2:
    outf.write(f2)
  outf.write(f3)

def linker_options(outf):

  f1 = r'''    <Link>
    </Link>
'''
  outf.write(f1)

def vcx_pre_build(name, plat, vs_info, outf):

  f1 = r'''    <PreBuildEvent>
      <Command>cd ..\..\
prebuild {0:s} {1:s} {2:s}
      </Command>
    </PreBuildEvent>
'''
  outf.write(f1.format(name, plat, vs_info['visual studio']))

def vcx_post_build(is_cpp, vs_info, outf):

  f1 = r'''    <PostBuildEvent>
      <Command>cd ..\..\
postbuild "$(TargetPath)" {0:s}
      </Command>
    </PostBuildEvent>
'''

  outf.write(f1.format(vs_info['visual studio']))

def vcx_tool_options(config, plat, proj_type, is_cpp, af_list, add_prebuild, vs_info, outf):

  f1 = r'''  <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='{1:s}|{0:s}'">
'''
  f2 = r'''  </ItemDefinitionGroup>
'''
  for pl in plat:
    for is_debug in (False, True):
      outf.write(f1.format(pl, 'Debug' if is_debug else 'Release'))
      if add_prebuild and not is_cpp:
        vcx_pre_build(config, pl, vs_info, outf)
      if af_list:
        yasm_options(pl, proj_type, outf)
      compiler_options(pl, proj_type, is_debug, config.endswith('\\avx'), outf)
      if proj_type != Project_Type.LIB:
        linker_options(outf)
      vcx_post_build(is_cpp, vs_info, outf)
      outf.write(f2)

def vcx_external_props(outf):

  f1 = r'''  <ImportGroup>
    <Import Condition="exists('$(MPIR_Props_External)')" Project="$(MPIR_Props_External)" />
  </ImportGroup>
'''
  outf.write(f1)

def vcx_hdr_items(hdr_list, relp, outf):

  f1 = r'''  <ItemGroup>
'''
  f2 = r'''    <ClInclude Include="{}{}" />
'''
  f3 = r'''  </ItemGroup>
'''
  outf.write(f1)
  for i in hdr_list:
    outf.write(f2.format(relp, i))
  outf.write(f3)

def vcx_c_items(cf_list, plat, relp, outf):

  f1 = r'''  <ItemGroup>
'''
  f2 = r'''    <ClCompile Include="{0:s}{1[0]:s}{1[1]:s}" />
'''
  f3 = r'''    <ClCompile Include="{0:s}{1[2]:s}\{1[0]:s}{1[1]:s}" />
'''
  f6 = r'''  </ItemGroup>
'''
  outf.write(f1)
  for nxd in cf_list:
    if nxd[2] == '':
      outf.write(f2.format(relp, nxd))
    else:
      outf.write(f3.format(relp, nxd))

  outf.write(f6)

def vcx_a_items(af_list, relp, outf):

  f1 = r'''  <ItemGroup>
'''
  f2 = r'''    <YASM Include="{0:s}{1[2]:s}\{1[0]:s}{1[1]:s}" />
'''
  f3 = r'''  </ItemGroup>
'''
  outf.write(f1)
  for nxd in af_list:
    outf.write(f2.format(relp, nxd))
  outf.write(f3)

def gen_vcxproj(path, root_dir, proj_name, guid, config, plat, proj_type,
                is_cpp, hf_list, cf_list, af_list, add_prebuild, vs_info):

  f1 = r'''<?xml version="1.0" encoding="utf-8"?>
<Project DefaultTargets="Build" ToolsVersion="{}" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
'''
  f2 = r'''  <PropertyGroup Label="UserMacros" />
'''
  f3 = r'''  <Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />
'''
  f4 = r'''  <ImportGroup Label="ExtensionTargets">
    <Import Project="{0:s}vsyasm.targets" />
    </ImportGroup>
'''

  f5 = r'''<ItemGroup>
    <None Include="..\..\..\gmp-h.in" />
    </ItemGroup>
</Project>
'''

  relp = split(relpath(root_dir, path))[0] + '\\'
  vsy_path = split(path)[0] + '\\..\\vsyasm.targets'
  dir = '..\\' if access(vsy_path, F_OK) else '..\\..\\'
  with open(path, 'w') as outf:
    outf.write(f1.format(vs_info['vcx_tool']))
    vcx_proj_cfg(plat, outf)
    vcx_globals(proj_name, guid, vs_info, outf)
    vcx_default_cpp_props(outf)
    vcx_library_type(plat, proj_type, vs_info, outf)
    vcx_cpp_props(outf)
    if af_list:
      vcx_extensions(outf, dir)
    vcx_user_props(plat, proj_type, outf)
    outf.write(f2)
    vcx_target_name_and_dirs(proj_name, plat, proj_type, outf)
    vcx_tool_options(config, plat, proj_type, is_cpp, af_list, add_prebuild, vs_info, outf)
    vcx_external_props(outf)
    if hf_list:
      vcx_hdr_items(hf_list, relp, outf)
    vcx_c_items(cf_list, plat, relp, outf)
    vcx_a_items(af_list, relp, outf)
    outf.write(f3)
    if af_list:
      outf.write(f4.format(dir))
    outf.write(f5)