#! perl -w
#
# Copyright (C) 2003 chromatic 
# Copyright (C) 2004 David J. Goehrig
# Copyright (C) 2010 Kartik Thakore

use strict;
use warnings;
use Carp;

use lib 'inc';
use Alien::SDL;

print STDERR <<BROKENMSG;
*************************** !!!WARNING!!! ********************************
This Release breaks back compatibility support with versions 2.2 and below
**************************************************************************
BROKENMSG

### we need the platform-specific module
my %platforms =(
	MSWin32      => 'Windows',
	MacOS        => 'MacOS',
	darwin       => 'Darwin',
	cygwin       => 'Unix',
	freebsd      => 'Unix',
	gnukfreebsd  => 'Unix',
	linux        => 'Unix',
	netbsd       => 'Unix',
	openbsd      => 'Unix',
	solaris      => 'Unix',
);
my $package = 'My::Builder::' . ($platforms{$^O} || 'Unix');
print "Gonna use '$package' class ...\n";
eval "require $package" or croak "Require '$package' failed: $@\n";

### subsystems to build
#    <subsystem>
#        <file> = hash of the following 2 values:
#	     <from> = location of source file
#            <to>   = location of build file to get name right
#        <libraries> = list reqiured libraries, names the same as keys to hash %libraries
my %subsystems =
(
	SDL => {
		file      => {
			from  => 'src/SDL.xs',
			to    => 'lib/SDL_perl.xs',
		},
		libraries => [qw( SDL )],
	},
	Time => {
		file      => {
			from  => 'src/Core/Time.xs',
			to    => 'lib/SDL/Time.xs',
		},
		libraries => [qw( SDL )],
	},
	Events => {
		file      => {
			from  => 'src/Core/Events.xs',
			to    => 'lib/SDL/Events.xs',
		},
		libraries => [qw( SDL )],
	},
	Event => {
		file      => {
			from  => 'src/Core/objects/Event.xs',
			to    => 'lib/SDL/Event.xs',
		},
		libraries => [qw( SDL )],
	},
	GFX => {
		file      => {
			from  => 'src/GFX/GFX.xs',
			to    => 'lib/SDL/GFX.xs',
		},
		libraries => [qw( SDL SDL_gfx_primitives )],
	},
	BlitFunc => {
		file      => {
			from  => 'src/GFX/BlitFunc.xs',
			to    => 'lib/SDL/GFX/BlitFunc.xs',
		},
		libraries => [qw( SDL SDL_gfx_blitfunc )],
	},
	Framerate => {
		file      => {
			from  => 'src/GFX/Framerate.xs',
			to    => 'lib/SDL/GFX/Framerate.xs',
		},
		libraries => [qw( SDL SDL_gfx_framerate )],
	},
	FPSManager => {
		file      => {
			from  => 'src/GFX/FPSManager.xs',
			to    => 'lib/SDL/GFX/FPSManager.xs',
		},
		libraries => [qw( SDL SDL_gfx_framerate )],
	},
	ImageFilter => {
		file      => {
			from  => 'src/GFX/ImageFilter.xs',
			to    => 'lib/SDL/GFX/ImageFilter.xs',
		},
		libraries => [qw( SDL SDL_gfx_imagefilter )],
	},
	Primitives => {
		file      => {
			from  => 'src/GFX/Primitives.xs',
			to    => 'lib/SDL/GFX/Primitives.xs',
		},
		libraries => [qw( SDL SDL_gfx_primitives )],
	},
	Rotozoom => {
		file      => {
			from  => 'src/GFX/Rotozoom.xs',
			to    => 'lib/SDL/GFX/Rotozoom.xs',
		},
		libraries => [qw( SDL SDL_gfx_rotozoom )],
	},
	MultiThread => {
		file      => {
			from  => 'src/Core/MultiThread.xs',
			to    => 'lib/SDL/MultiThread.xs',
		},
		libraries => [qw( SDL )],
	},
	Video => {
		file      => {
			from  => 'src/Core/Video.xs',
			to    => 'lib/SDL/Video.xs',
		},
		libraries => [qw( SDL )],
	},
	Audio => {
		file      => {
			from  => 'src/Core/Audio.xs',
			to    => 'lib/SDL/Audio.xs',
		},
		libraries => [qw( SDL )],
	},
	Rect => {
		file      => {
			from  => 'src/Core/objects/Rect.xs',
			to    => 'lib/SDL/Rect.xs',
		},
		libraries => [qw( SDL )],
	},
	Color => {
		file      => {
			from  => 'src/Core/objects/Color.xs',
			to    => 'lib/SDL/Color.xs',
		},
		libraries => [qw( SDL )],
	},
	Surface => {
		file      => {
			from  => 'src/Core/objects/Surface.xs',
			to    => 'lib/SDL/Surface.xs',
		},
		libraries => [qw( SDL )],
	},
	Overlay => {
		file      => {
			from  => 'src/Core/objects/Overlay.xs',
			to    => 'lib/SDL/Overlay.xs',
		},
		libraries => [qw( SDL )],
	},
	RWOps => {
		file      => {
			from  => 'src/Core/objects/RWOps.xs',
			to    => 'lib/SDL/RWOps.xs',
		},
		libraries => [qw( SDL )],
	},
	PixelFormat => {
		file      => {
			from  => 'src/Core/objects/PixelFormat.xs',
			to    => 'lib/SDL/PixelFormat.xs',
		},
		libraries => [qw( SDL )],
	},
	AudioSpec => {
		file      => {
			from  => 'src/Core/objects/AudioSpec.xs',
			to    => 'lib/SDL/AudioSpec.xs',
		},
		libraries => [qw( SDL )],
	},
	AudioCVT => {
		file      => {
			from  => 'src/Core/objects/AudioCVT.xs',
			to    => 'lib/SDL/AudioCVT.xs',
		},
		libraries => [qw( SDL )],
	},
	Mixer => {
		file      => {
			from  => 'src/Mixer/Mixer.xs',
			to    => 'lib/SDL/Mixer.xs',
		},
		libraries => [qw( SDL SDL_mixer )],
	},
	MixerSamples => {
		file      => {
			from  => 'src/Mixer/Samples.xs',
			to    => 'lib/SDL/Mixer/Samples.xs',
		},
		libraries => [qw( SDL SDL_mixer )],
	},
	MixerChannels => {
		file      => {
			from  => 'src/Mixer/Channels.xs',
			to    => 'lib/SDL/Mixer/Channels.xs',
		},
		libraries => [qw( SDL SDL_mixer )],
	},
	MixerGroups => {
		file      => {
			from  => 'src/Mixer/Groups.xs',
			to    => 'lib/SDL/Mixer/Groups.xs',
		},
		libraries => [qw( SDL SDL_mixer )],
	},
	MixerMusic => {
		file      => {
			from  => 'src/Mixer/Music.xs',
			to    => 'lib/SDL/Mixer/Music.xs',
		},
		libraries => [qw( SDL SDL_mixer )],
	},
	MixerEffects => {
		file      => {
			from  => 'src/Mixer/Effects.xs',
			to    => 'lib/SDL/Mixer/Effects.xs',
		},
		libraries => [qw( SDL SDL_mixer )],
	},
	MixChunk => {
		file      => {
			from  => 'src/Mixer/objects/MixChunk.xs',
			to    => 'lib/SDL/Mixer/MixChunk.xs',
		},
		libraries => [qw( SDL SDL_mixer )],
	},
	MixMusic => {
		file      => {
			from  => 'src/Mixer/objects/MixMusic.xs',
			to    => 'lib/SDL/Mixer/MixMusic.xs',
		},
		libraries => [qw( SDL SDL_mixer )],
	},
	Palette => {
		file      => {
			from  => 'src/Core/objects/Palette.xs',
			to    => 'lib/SDL/Palette.xs',
		},
		libraries => [qw( SDL )],
	},
	VideoInfo => {
		file      => {
			from  => 'src/Core/objects/VideoInfo.xs',
			to    => 'lib/SDL/VideoInfo.xs',
		},
		libraries => [qw( SDL )],
	},
	Mouse => {
		file      => {
			from  => 'src/Core/Mouse.xs',
			to    => 'lib/SDL/Mouse.xs',
		},
		libraries => [qw( SDL )],
	},
	Cursor => {
		file      => {
			from  => 'src/Core/objects/Cursor.xs',
			to    => 'lib/SDL/Cursor.xs',
		},
		libraries => [qw( SDL )],
	},
	Joystick => {
		file      => {
			from  => 'src/Core/Joystick.xs',
			to    => 'lib/SDL/Joystick.xs',
		},
		libraries => [qw( SDL )],
	},
	CDROM => {
		file      => {
			from  => 'src/Core/CDROM.xs',
			to    => 'lib/SDL/CDROM.xs',
		},
		libraries => [qw( SDL )],
	},
	CDTrack => {
		file      => {
			from  => 'src/Core/objects/CDTrack.xs',
			to    => 'lib/SDL/CDTrack.xs',
		},
		libraries => [qw( SDL )],
	},
	CD => {
		file      => {
			from  => 'src/Core/objects/CD.xs',
			to    => 'lib/SDL/CD.xs',
		},
		libraries => [qw( SDL )],
	},
	TTF => {
		file      => {
			from  => 'src/TTF/TTF.xs',
			to    => 'lib/SDL/TTF.xs',
		},
		libraries => [qw( SDL SDL_ttf )],
	},
	TTF_Font => {
		file      => {
			from  => 'src/TTF/objects/Font.xs',
			to    => 'lib/SDL/TTF/Font.xs',
		},
		libraries => [qw( SDL SDL_ttf )],
	},
	Version => {
		file      => {
			from  => 'src/Core/objects/Version.xs',
			to    => 'lib/SDL/Version.xs',
		},
		libraries => [qw( SDL )],
	},
	OpenGL => {
		file      => {
			from => 'src/OpenGL.xs',
			to   => 'lib/SDL/OpenGL.xs', 
		},
		libraries => [qw( SDL GL GLU )],
	},
	Image => {
		file	=> {
			from => 'src/Image.xs',
			to   =>	'lib/SDL/Image.xs',
		},
		libraries => [qw( SDL SDL_image jpeg png tiff)],
	},
#	Net => {
#		file      => {
#			from  => 'src/Net/Net.xs',
#			to    => 'lib/SDL/Net.xs',
#		},
#		libraries => [qw( SDL SDL_net )],
#	},
#	TCP => {
#		file      => {
#			from  => 'src/Net/TCP.xs',
#			to    => 'lib/SDL/Net/TCP.xs',
#		},
#		libraries => [qw( SDL SDL_net )],
#	},
#	UDP => {
#		file      => {
#			from  => 'src/Net/UDP.xs',
#			to    => 'lib/SDL/Net/UDP.xs',
#		},
#		libraries => [qw( SDL SDL_net )],
#	},
#	IPaddress => {
#		file      => {
#			from  => 'src/Net/objects/IPaddress.xs',
#			to    => 'lib/SDL/Net/IPaddress.xs',
#		},
#		libraries => [qw( SDL SDL_net )],
#	},

);

### external libraries
#    <library name> = symbolic library name
#        <define> = value that will be used as -D<value> option when compiling XS code
#        <header> = header related to the library that will be used for avalability detection,
#                   could be a sigle value or an array of values                  
#        <lib>    = value that will be used as -l<value> option when linking XS code
my %libraries = (
	SDL         => {
		define => 'HAVE_SDL', 
		header => 'SDL.h',
		lib    => 'SDL',
	},
	SDL_image   => {
		define => 'HAVE_SDL_IMAGE',   
		header => 'SDL_image.h',
		lib    => 'SDL_image',
	},
	SDL_mixer   => {
		define => 'HAVE_SDL_MIXER',   
		header => 'SDL_mixer.h',
		lib    => 'SDL_mixer',
	},
#	SDL_net     => {
#		define => 'HAVE_SDL_NET',     
#		header => 'SDL_net.h',
#		lib    => 'SDL_net',
#	},
	SDL_ttf     => {
		define => 'HAVE_SDL_TTF',     
		header => 'SDL_ttf.h',
		lib    => 'SDL_ttf',
	},
	SDL_gfx     => {
		define => 'HAVE_SDL_GFX',     
		header => 'SDL_gfxPrimitives.h',
		lib    => 'SDL_gfx',
	},
	SDL_gfx_blitfunc    => {
		define => 'HAVE_SDL_GFX_BLITFUNC',     
		header => 'SDL_gfxBlitFunc.h',
		lib    => 'SDL_gfx',
	},
	SDL_gfx_framerate   => {
		define => 'HAVE_SDL_GFX_FRAMERATE',     
		header => 'SDL_framerate.h',
		lib    => 'SDL_gfx',
	},
	SDL_gfx_imagefilter => {
		define => 'HAVE_SDL_GFX_IMAGEFILTER',     
		header => 'SDL_imageFilter.h',
		lib    => 'SDL_gfx',
	},
	SDL_gfx_primitives  => {
		define => 'HAVE_SDL_GFX_PRIMITIVES',     
		header => 'SDL_gfxPrimitives.h',
		lib    => 'SDL_gfx',
	},
	SDL_gfx_rotozoom    => {
		define => 'HAVE_SDL_GFX_ROTOZOOM',     
		header => 'SDL_rotozoom.h',
		lib    => 'SDL_gfx',
	},
	SDL_Pango    => {
		define => 'HAVE_SDL_PANGO',     
		header => 'SDL_Pango.h',
		lib    => 'SDL_Pango',
	},
	png         => {
		define => 'HAVE_PNG',
		header => 'png.h',
		lib    => 'png',
	},
	jpeg        => {	
		define => 'HAVE_JPEG',
		header => 'jpeglib.h',
		lib    => 'jpeg',
	},
	tiff       => {	
		define => 'HAVE_TIFF',
		header => 'tiff.h',
		lib    => 'tiff',
	},

	smpeg       => {
		define => 'HAVE_SMPEG',
		header => 'smpeg/smpeg.h',
		lib    => 'smpeg',
	},
	GL          => {
		define => 'HAVE_GL',  
		header => [ 'GL/gl.h', 'GL/glext.h' ],
		lib    => ($^O =~ /^(MSWin32|cygwin)$/) ? 'opengl32' : 'GL', # xxx not nice
	},
	GLU         => {
		define => 'HAVE_GLU', 
		header => 'GL/glu.h',
		lib    => ($^O =~ /^(MSWin32|cygwin)$/) ? 'glu32' : 'GLU', # xxx not nice
	},
);

### mangle the compilable files into a format Module::Build can understand
my %xs = map { $subsystems{$_}{file}{from} => $subsystems{$_}{file}{to} } keys %subsystems;

### stadard Module::Build stuff
my $build = $package->new(
	module_name          => 'SDL',
	dist_name            => 'SDL', 
	license		     => 'lgpl',
	dist_version_from    => 'lib/SDL.pm',
	configure_requires	      =>
	{
		'YAML'	=> '0.68',
		'ExtUtils::CBuilder' => '0.260301',
		'Alien::SDL' => '1.2',
		'File::Find' => '0'
	},
	build_requires =>
	{
		'Test::Simple' => '0.88',
		'IO::CaptureOutput' => '0',
		'Test::Most' => '0.21',
		'Alien::SDL' => '1.2',
	},
	build_recommends     =>
	{
		'Pod::ToDemo'  => '0.20'		
	},
	c_source	     => 'src',
	xs_files             => \%xs,
	meta_add	     =>	     
	{
	},
	#create_readme => 1, ### make sense only if there is some POD doc in the file specified by dist_version_from
	meta_merge => {
		resources  => {
			bugtracker => 'http://sdlperl.ath.cx/projects/SDLPerl',
			repository => 'http://github.com/kthakore/SDL_perl'
		}
	},
	dist_abstract => 'SDL bindings to Perl',
	dist_author	     => 'Kartik Thakore <KTHAKORE@cpan.org>',
);

### Alien::SDL quick check
warn "###WARNING### Alien::SDL seems to be broken" unless Alien::SDL->config('prefix');

### see which subsystems can be built -- do we have headers for them?
print "Gonna autodetect available libraries ...\n";
my $build_systems = $build->find_subsystems(\%subsystems, \%libraries);
my $lib_translate = $build->translate_table(\%subsystems, \%libraries);

### save info about available subsystems for future SDL::ConfigData
print "Gonna write config_data ...\n";
$build->config_data('SDL_cfg', $build_systems);
$build->config_data('SDL_lib_translate', $lib_translate);
$build->config_data('subsystems', \%subsystems);
$build->config_data('libraries', \%libraries);

### something that was originally special to MacOS/Darwin
# somebody MacOS/Darwin friendly should review whether it is still necessary
$build->special_build_settings();

### get some info into M::B notes
print "Gonna save some info to 'notes' ...\n";
$build->notes('subsystems', \%subsystems);
$build->notes('libraries', \%libraries);
$build->notes('build_systems', $build_systems);
$build->notes('sdl_cflags', Alien::SDL->config('cflags'));
$build->notes('sdl_libs', Alien::SDL->config('libs'));
$build->set_file_flags();   # creates notes('file_flags')

# now we're ready to go!
$build->create_build_script();