project('l2su', 'c', 'java', default_options : {'b_ndebug': 'if-release'})
add_global_arguments('-D_XOPEN_SOURCE=700', '-DPCRE2_CODE_UNIT_WIDTH=8', language : 'c')

curl_dep = dependency('libcurl')
jansson_dep = dependency('jansson')
pcre2_dep = dependency('libpcre2-8')
libzip_dep = dependency('libzip')
libjni_dep = dependency('jni', version : '>= 1.8.0', modules : [ 'jvm' ]).partial_dependency(
  compile_args : true,
  includes : true)

config_data = configuration_data()

config_data.set_quoted('PROJECT_NAME', 'l2su')
config_data.set_quoted('PROJECT_NAME_UPPER', 'L2SU')

if host_machine.endian() == 'little'
  config_data.set('L2SU_ENDIAN_LITTLE', true)
elif host_machine.endian() == 'big'
  config_data.set('L2SU_ENDIAN_BIG', true)
else
  error('Middle endian is unsupported')
endif

launcher_os = get_option('launcher_os')
launcher_arch_bits = get_option('launcher_arch_bits')
launcher_arch = get_option('launcher_arch')
launcher_jre_arch = get_option('launcher_jre_arch')
launcher_java_path_sep = get_option('launcher_java_path_sep')

if launcher_os == 'auto'
  if host_machine.system() == 'linux'
    launcher_os = 'linux'
  elif host_machine.system() == 'darwin'
    launcher_os = 'osx'
  elif host_machine.system() == 'windows'
    launcher_os = 'windows'
  else
    error('Unable to determine OS. Please use the launcher_os build option.')
  endif
endif

if launcher_arch_bits == 'auto'
  if host_machine.cpu_family() == 'x86'
    launcher_arch_bits = '32'
  elif host_machine.cpu_family() == 'x86_64' or host_machine.cpu_family() == 'arm64'
    launcher_arch_bits = '64'
  else
    error('Unable to determine launcher arch bits. Please use the launcher_arch_bits option.')
  endif
endif

if launcher_arch == ''
  launcher_arch = host_machine.cpu_family()
endif

if launcher_jre_arch == 'auto'
  if host_machine.system() == 'linux'
    if host_machine.cpu_family() == 'x86'
      launcher_jre_arch = 'linux-i386'
    elif host_machine.cpu_family() == 'x86_64'
      launcher_jre_arch = 'linux'
    else
      launcher_jre_arch = 'gamecore'
    endif
  elif host_machine.system() == 'darwin'
    if host_machine.cpu_family() == 'aarch64'
      launcher_jre_arch = 'mac-os-arm64'
    else
      launcher_jre_arch = 'mac-os'
    endif
  elif host_machine.system() == 'windows'
    if host_machine.cpu_family() == 'x86'
      launcher_jre_arch = 'windows-x86'
    elif host_machine.cpu_family() == 'x86_64'
      launcher_jre_arch = 'windows-x64'
    elif host_machine.cpu_family() == 'aarch64'
      launcher_jre_arch = 'windows-arm64'
    else
      launcher_jre_arch = 'gamecore'
    endif
  else
    launcher_jre_arch = 'gamecore'
  endif
endif

if launcher_java_path_sep == ''
  if host_machine.system() == 'windows'
    launcher_java_path_sep = ';'
  else
    launcher_java_path_sep = ':'
  endif
endif

message('Using launcher OS', launcher_os)
config_data.set_quoted('L2SU_LAUNCHER_OS', launcher_os)

if launcher_os == 'linux'
  config_data.set('L2SU_LAUNCHER_IS_LINUX', true)
elif launcher_os == 'osx'
  config_data.set('L2SU_LAUNCHER_IS_OSX', true)
elif launcher_os == 'windows'
  config_data.set('L2SU_LAUNCHER_IS_WINDOWS', true)
endif

message('Using launcher arch bits', launcher_arch_bits)
config_data.set_quoted('L2SU_LAUNCHER_ARCH_BITS', launcher_arch_bits)

message('Using launcher arch', launcher_arch)
config_data.set_quoted('L2SU_LAUNCHER_ARCH', launcher_arch)

message('Using launcher JRE arch', launcher_jre_arch)
config_data.set_quoted('L2SU_JRE_ARCH', launcher_jre_arch)

message('Using launcher classpath separator', launcher_java_path_sep)
config_data.set_quoted('L2SU_CLASSPATH_SEP', launcher_java_path_sep)

if launcher_jre_arch == 'gamecore'
  message('(launcher_jre_arch == gamecore, so JREs will most likely not be downloaded.)')
endif

subdir('src')
executable('l2su', launcher_srcs, dependencies : [curl_dep, jansson_dep, pcre2_dep, libzip_dep, libjni_dep], include_directories : [config_include_dir], override_options : {'c_std': 'c99'})