#!/bin/bash

NDK=/opt/android-ndk-r19

openssl_ver=1.0.2q
srt_version=1.3.1
#srt_branch=dev

# Determine the path of the executing script
BASE_DIR=$(readlink -f $0 | xargs dirname)

wget -N https://www.openssl.org/source/openssl-$openssl_ver.tar.gz

if [ ! -d $BASE_DIR/srt ]; then
 git clone https://github.com/Haivision/srt srt
# git -C $BASE_DIR/srt checkout v${srt_version}
# git -C $BASE_DIR/srt checkout -b $srt_branch origin/$srt_branch
fi

# Clang, binutils, the sysroot, and other toolchain pieces are all installed to $NDK/toolchains/llvm/prebuilt/<host-tag>
toolchain=$NDK/toolchains/llvm/prebuilt/linux-x86_64

# Cross-compiler tool prefix
declare -A target_hosts
target_hosts=(
 [arm]=arm-linux-androideabi
 [arm64]=aarch64-linux-android
 [x86]=i686-linux-android
 [x86_64]=x86_64-linux-android
)

# Cross-compiler prefix for -clang and -clang++ has api version
declare -A target_api
target_api=(
 [arm]=armv7a-linux-androideabi16
 [arm64]=aarch64-linux-android21
 [x86]=i686-linux-android16
 [x86_64]=x86_64-linux-android21
)

declare -A sysroots
sysroots=(
 [arm]=$BASE_DIR/armeabi-v7a
 [arm64]=$BASE_DIR/arm64-v8a
 [x86]=$BASE_DIR/x86
 [x86_64]=$BASE_DIR/x86_64
)

for arch in arm arm64 x86 x86_64; do
 rm -rf $BASE_DIR/openssl-$openssl_ver
 tar xf $BASE_DIR/openssl-$openssl_ver.tar.gz
 $BASE_DIR/mkssl -t $toolchain -h ${target_hosts[$arch]} -a ${target_api[$arch]} -s $BASE_DIR/openssl-$openssl_ver -i ${sysroots[$arch]}

 git -C $BASE_DIR/srt clean -fd
 $BASE_DIR/mksrt -t $toolchain -h ${target_hosts[$arch]} -a ${target_api[$arch]} -s $BASE_DIR/srt -i ${sysroots[$arch]}
done