#!/usr/bin/perl -w
use strict;

my $audiodriver;

BEGIN {
    use Config;
    if ( !$Config{'useithreads'} ) {
        print("1..0 # Skip: Perl not compiled with 'useithreads'\n");
        exit(0);
    }
    use SDL;
    use SDL::Config;
    use Test::More;
    use lib 't/lib';
    use SDL::TestTool;

    $audiodriver = $ENV{SDL_AUDIODRIVER};
    $ENV{SDL_AUDIODRIVER} = 'dummy' unless $ENV{SDL_RELEASE_TESTING};

    if ( !SDL::TestTool->init(SDL_INIT_AUDIO) ) {
        plan( skip_all => 'Failed to init sound' );
    }
    elsif ( !SDL::Config->has('SDL_mixer') ) {
        plan( skip_all => 'SDL_mixer support not compiled' );
    }
}
use threads;
use threads::shared;
use SDL::Mixer;
use SDL::Mixer::Music;
use SDL::Mixer::Samples;
use SDL::Version;

my $v = SDL::Mixer::linked_version();

is( SDL::Mixer::open_audio( 44100, SDL::Audio::AUDIO_S16SYS, 2, 4096 ),
    0, '[open_audio] ran' );

my $finished : shared        = 0;
my $mix_func_called : shared = 0;

sub mix_func {
    my $position = shift;    # position
    my $length   = shift;    # length of bytes we have to put in stream
    my @stream   = '';

    $mix_func_called++;

# printf("[hook_music] callback: position=%8s, stream length=%6s\n", $position, $length);

    for ( my $i = 0 ; $i < $length ; $i++ ) {
        push( @stream, ( ( $i + $position ) & 0xFF ) );
    }

    return @stream;
}

my $delay           = 100;
my $audio_test_file = 'test/data/silence.wav';
my $volume1         = 2;
my $volume2         = 1;

if ( $ENV{'SDL_RELEASE_TESTING'} ) {
    $delay           = 2000;
    $audio_test_file = 'test/data/sample.wav';
    $volume1         = 20;
    $volume2         = 10;
}

SDL::Mixer::Music::volume_music($volume1);
is( SDL::Mixer::Music::volume_music($volume2),
    $volume1, "[volume_music] was $volume1, now set to $volume2" );

sub callback {

    # printf("[hook_music_finished] callback called\n", shift);
    $finished++;
}

SKIP:
{
    skip( 'No sound unless SDL_RELEASE_TESTING', 5 )
      unless $ENV{'SDL_RELEASE_TESTING'};
    SDL::Mixer::Music::hook_music_finished('main::callback');
    pass '[hook_music_finished] registered callback';

    SDL::Mixer::Music::hook_music( 'main::mix_func', 0 );
    pass '[hook_music] registered custom music player';
    is( SDL::Mixer::Music::get_music_hook_data(),
        0, "[get_music_hook_data] should return 0" );

    SDL::delay(1000);

    SDL::Mixer::Music::hook_music();
    pass '[hook_music] unregistered custom music player';
    SDL::delay($delay);
    is( $mix_func_called > 0, 1, "[hook_music] called $mix_func_called times" );
}

my $sample_music = SDL::Mixer::Music::load_MUS($audio_test_file);
isa_ok( $sample_music, 'SDL::Mixer::MixMusic', '[load_MUS]' );
is( SDL::Mixer::Music::play_music( $sample_music, 0 ),
    0, "[play_music] plays $audio_test_file" );

SKIP:
{
    skip( 'Version 1.2.9 needed', 2 )
      unless ( $v->major >= 1 && $v->minor >= 2 && $v->patch >= 9 );

    my $num_decoders = SDL::Mixer::Music::get_num_music_decoders();
    is( $num_decoders >= 0,
        1, "[get_num_music_decoders] $num_decoders decoders available" );

    my $decoder = SDL::Mixer::Music::get_music_decoder(0);
    isnt( $decoder, undef, "[get_music_decoder] got $decoder" );
}

SDL::delay($delay);

is( SDL::Mixer::Music::playing_music(), 1, "[playing_music] music is playing" );
is( SDL::Mixer::Music::get_music_type($sample_music),
    MUS_WAV, "[get_music_type] $audio_test_file is MUS_WAV" );
is( SDL::Mixer::Music::get_music_type(),
    MUS_WAV, "[get_music_type] currently playing MUS_WAV" );

SDL::delay($delay);

is( SDL::Mixer::Music::pause_music(), undef, "[pause_music] ran" );
is( SDL::Mixer::Music::paused_music(), 1, "[paused_music] music is paused" );

SDL::delay($delay);

is( SDL::Mixer::Music::resume_music(), undef, "[resume_music] ran" );
is( SDL::Mixer::Music::playing_music(), 1, "[paused_music] music is playing" );
is( SDL::Mixer::Music::fading_music(),
    MIX_NO_FADING, "[fading_music] music is not fading" );
is( SDL::Mixer::Music::rewind_music(), undef, "[rewind_music] ran" );

SDL::delay($delay);

is( SDL::Mixer::Music::fade_out_music(2000), 1, "[fade_out_music] $delay ms" );
is( SDL::Mixer::Music::fading_music(),
    MIX_FADING_OUT, "[fading_music] music is fading out" );

SDL::delay(3000);

is( SDL::Mixer::Music::halt_music(), 0, '[halt_music]' );
is( SDL::Mixer::Music::set_music_cmd("mpeg123 -q"),
    0, '[set_music_cmd] we can specify an external player' );
is( SDL::Mixer::Music::set_music_cmd(),
    0, '[set_music_cmd] return to the internal player' );
is( SDL::Mixer::Music::fade_in_music( $sample_music, 0, 2000 ),
    0, "[fade_in_music] $delay ms" );

SDL::delay(100);

is( SDL::Mixer::Music::fading_music(),
    MIX_FADING_IN, "[fading_music] music is fading in" );
is( SDL::Mixer::Music::halt_music(), 0, '[halt_music]' );

SKIP:
{
    skip( 'We need an MOD/OGG/MP3 for positioning', 2 )
      unless $audio_test_file =~ /\.(ogg|mod|mp3)$/;
    is( SDL::Mixer::Music::fade_in_music_pos( $sample_music, 0, 2000, 2.5 ),
        0, "[fade_in_music_pos] $delay ms, beginning at 2.5 ms" );
    is( SDL::Mixer::Music::set_music_position(2.5),
        0, "[set_music_position] skipping 2.5 ms" );
    SDL::Mixer::Music::halt_music();
}

SKIP:
{
    skip( 'No sound unless SDL_RELEASE_TESTING', 2 )
      unless $ENV{'SDL_RELEASE_TESTING'};
    is( $finished > 0,
        1, "[hook_music_finished] called the callback $finished times" );
    SDL::Mixer::Music::hook_music_finished();
    pass '[hook_music_finished] unregistered callback';
}
SDL::delay($delay);

SDL::Mixer::close_audio();
pass '[close_audio] ran';

if ($audiodriver) {
    $ENV{SDL_AUDIODRIVER} = $audiodriver;
}
else {
    delete $ENV{SDL_AUDIODRIVER};
}

done_testing();