#!/bin/bash

export XBPS_ARCH=${1:-armv7l}
void_repository=https://alpha.us.repo.voidlinux.org/

set -eo pipefail
command -v curl tar zstd xz 7z zcat sudo rsync
if [ ! -f external/freshplayerplugin/CMakeLists.txt ] || [ ! -f external/nspluginwrapper/configure ] ; then
    echo "Missing build files for freshplayerplugin and/or nspluginwrapper."
    echo "Do you need to run git submodule update --init --recursive ?"
    exit 1
fi

mkdir -p workdir
cd workdir

if [ ! -x usr/bin/xbps-install.static ] ; then
    mkdir -p etc/xbps.d
    cat > etc/xbps.d/00-repository-main.conf <<EOF
repository=$void_repository/current
ignorepkg=rpi-userland
EOF
    curl $void_repository/static/xbps-static-latest.$XBPS_ARCH-musl.tar.xz | tar xJ
fi

if [ ! -f ../dist/lib/plugins/libpepflashplayer.so ] ; then
    chromeos_url=`curl https://dl.google.com/dl/edgedl/chromeos/recovery/recovery.conf | grep -o 'https://dl.google.com/dl/edgedl/chromeos/recovery/chromeos_.*_elm_recovery_stable-channel_mp-v2.bin.zip'`
    curl "$chromeos_url" | zcat > chromeos.bin
    7z e chromeos.bin ROOT-A.img -y
    test -f ROOT-A.img
    rm chromeos.bin
    7z e ROOT-A.img libpepflashplayer.so -r -y
    test -f libpepflashplayer.so
    rm ROOT-A.img
    mkdir -p ../dist/lib/plugins
    mv libpepflashplayer.so ../dist/lib/plugins/
fi

if [ ! -f ../dist/lib/alsa-lib/libasound_module_pcm_pulse.so ] ; then
    cat ../pkglist | xargs usr/bin/xbps-install.static -r $PWD -SDy

    set +e
    for i in var/cache/xbps/*.xbps; do
        tar --wildcards -xf $i ./usr/lib/\* 2>/dev/null
    done
    set -e
    tar --wildcards -xf var/cache/xbps/bc-*.xbps ./usr/bin/\*bc

    mkdir -p ../dist/lib/alsa-lib ../dist/bin
    cp usr/bin/*bc ../dist/bin/bc
    cp usr/lib/lib*.so.* ../dist/lib/
    rm ../dist/lib/lib*.so.*.*
    cp usr/lib/ld-linux-armhf.so.3 ../dist/lib/
    cp usr/lib/pulseaudio/libpulsecommon-*.so ../dist/lib/
    cp usr/lib/alsa-lib/libasound_module_pcm_pulse.so ../dist/lib/alsa-lib/
    chmod -x ../dist/lib/lib* ../dist/lib/alsa-lib/libasound_module_pcm_pulse.so
fi

if [ ! -x /lib/ld-linux-armhf.so.3 ] ; then
    echo "/lib/ld-linux-armhf.so.3 not found, installing..."
    sudo cp -v ../dist/lib/ld-linux-armhf.so.3 /lib/
fi

if [ ! -x ../dist/bin/npplayer ] ; then
    cat ../devpkglist | xargs usr/bin/xbps-install.static -r $PWD -Sy
    ln -sf usr/lib .
    ln -sf usr/bin .
    mkdir -p src tmp dev
    touch dev/null
    cp -al ../external/* src/

    cat > inner-build.sh <<EOF
#!/usr/bin/bash
set -e
cd /src/freshplayerplugin
cmake -B_build -H. -DWITH_GLES2=TRUE -DWITH_{HWDEC,JACK,PULSEAUDIO,LIBV4L2}=FALSE
make -C_build -j`nproc`
cd /src/nspluginwrapper
linux32 ./configure --target-cpu=arm
make -j`nproc` npplayer
EOF
    chmod +x inner-build.sh
    userspec="$USER:$(id -gn)"
    sudo -n true || echo "need sudo to chroot for the compile..."
    set -x
    sudo mount -o bind /dev/null dev/null
    cleanup() {
        sudo umount dev/null
    }
    trap cleanup EXIT
    sudo chroot --userspec=$userspec . /inner-build.sh
    set +x

    cp src/freshplayerplugin/_build/libfreshwrapper-flashplayer.so ../dist/lib/plugins/
    chmod -x ../dist/lib/plugins/libfreshwrapper-flashplayer.so
    cp src/nspluginwrapper/npplayer ../dist/bin/
fi

rsync -av ../sourcefiles/ ../dist