#!/usr/bin/env bash
set -eu -o pipefail

unamestr=$(uname)
#if [[ "$unamestr" == 'Linux' && ${AUTOINSTALL:-1} != 0 ]]; then
#sudo apt install python3 dh-python python3-all-dev cython3 libasound2-dev \
#python3-dateutil python3-dnspython libssl-dev libv4l-dev libavcodec-dev \
#libavformat-dev libopencore-amrnb-dev libopencore-amrwb-dev libavutil-dev \
#libswscale-dev libx264-dev libvpx-dev libopus-dev libbcg729-dev libsqlite3-dev pkg-config \
#uuid-dev cython3 cython3-dbg python3-setuptools devscripts debhelper dh-python \
#python3-all-dev python3-all-dbg libasound2-dev libssl-dev libsqlite3-dev
#fi

cd deps

PJSIP_VERSION="${1:-2.12}"

#
# Update PJSIP
#
echo "Preparing PJSIP $PJSIP_VERSION sources..."
if [ ! -f $PJSIP_VERSION.tar.gz ]; then
    echo Downloading PJSIP $PJSIP_VERSION...
    wget https://github.com/pjsip/pjproject/archive/$PJSIP_VERSION.tar.gz
    if [ $? -eq 0 ]; then
        echo "PJSIP downloaded"
    else
       echo Fail to download PJSIP
       exit 1
    fi
fi

tar xzf $PJSIP_VERSION.tar.gz

if [ -d pjsip ]; then
   rm -r pjsip
fi

mkdir pjsip
mv pjproject*/* ./pjsip/

#
# Update ZSRTP
#

# Clone latest version from github
if [ ! -d ZRTPCPP ]; then
    echo Downloading ZRTP...
    git clone https://github.com/wernerd/ZRTPCPP.git
    if [ $? -eq 0 ]; then
        echo "ZRTP downloaded"
        cd ZRTPCPP
        git checkout 6b3cd8e6783642292bad0c21e3e5e5ce45ff3e03
        cd ..
    else
       echo Fail to download ZRTP
       exit 1
    fi
fi

# Copy wrapper from old version to third_party/zsrtp/
echo "Preparing ZRTP sources..."
mkdir ./pjsip/third_party/zsrtp
cp -r zsrtp/include ./pjsip/third_party/zsrtp/
cp -r zsrtp/srtp    ./pjsip/third_party/zsrtp/
cp -r zsrtp/build   ./pjsip/third_party/build/zsrtp

# Copy new version to third_party/zsrtp/
mkdir ./pjsip/third_party/zsrtp/zrtp
cp -r ZRTPCPP/bnlib ./pjsip/third_party/zsrtp/zrtp/
cp -r ZRTPCPP/common ./pjsip/third_party/zsrtp/zrtp/
cp -r ZRTPCPP/cryptcommon ./pjsip/third_party/zsrtp/zrtp/
cp -r ZRTPCPP/srtp ./pjsip/third_party/zsrtp/zrtp/
cp -r ZRTPCPP/zrtp ./pjsip/third_party/zsrtp/zrtp/
cp ZRTPCPP/COPYING ./pjsip/third_party/zsrtp/zrtp/
cp ZRTPCPP/README.md ./pjsip/third_party/zsrtp/zrtp/

# Single patch series: patches/01..19_*.patch.
# 01..12 are the pjsip 2.12 functional patches (split out from the old monolith).
# 13..19 are the auxiliary fixes (zsrtp, tls log, vpx, mac audio, ffmpeg, etc).
patches_dir="patches"
patches=( "${patches_dir}"/[0-9][0-9]_*.patch )

# Skip the FFmpeg-build patch on Apple Silicon — it doesn't apply cleanly there
# (see patches/apple-silicon.txt for background).
if uname -v | grep ARM64 | grep Darwin >/dev/null;
then
	patches_subset=()
	for path in "${patches[@]}";
	do
		case "${path}" in
			"${patches_dir}/17_fix_ffmpeg.patch") ;;
			*) patches_subset+=( "${path}" ) ;;
		esac
	done
	patches=( "${patches_subset[@]}" )
fi

for p in "${patches[@]}";
do
	echo "Applying patch ${p}"
	patch -p0 <"${p}"
done