#!/bin/bash

OPENSSL_VERSION=3.3.1

API_LEVEL=28

BUILD_DIR=out/openssl_ios_build

BUILD_TARGETS="ios64-xcrun iossimulator-xcrun"

rm -rfv out/openssl-${OPENSSL_VERSION}

if [ ! -d out/openssl-${OPENSSL_VERSION} ]
then
    if [ ! -f out/openssl-${OPENSSL_VERSION}.tar.gz ]
    then
        curl https://www.openssl.org/source/openssl-${OPENSSL_VERSION}.tar.gz -o out/openssl-${OPENSSL_VERSION}.tar.gz || exit 128
    fi
    tar -C out/ -xzf out/openssl-${OPENSSL_VERSION}.tar.gz || exit 128
fi
WORK_DIR=out/openssl-${OPENSSL_VERSION}

##### export ndk directory. Required by openssl-build-scripts #####

##### build-function #####
build_the_thing() {
    export PATH=$TOOLCHAIN/$TRIBLE/bin:$TOOLCHAIN/bin:$PATH
    echo $PATH
    echo "./Configure $SSL_TARGET $OPTIONS" && \
    ./Configure $SSL_TARGET $OPTIONS no-tests && \
    make clean && \
    make build_generated && \
    make libcrypto.a libssl.a || exit 128
}

##### set variables according to build-tagret #####
for build_target in $BUILD_TARGETS
do
    echo "Building $build_target"
    pwd
    pushd $WORK_DIR || exit 128

    case $build_target in
    ios64-xcrun)
        TRIBLE="arm64-darwin-ios"
        OPTIONS="--static -static -ffunction-sections -fdata-sections -fPIC -Wno-macro-redefined"
        DESTDIR="/tmp/$BUILD_DIR/arm64-ios"
        SSL_TARGET="ios64-xcrun"
        CC=clang
    ;;
    iossimulator-xcrun)
        TRIBLE="x86_64-darwin-ios"
        OPTIONS="--static -static -ffunction-sections -fdata-sections -fPIC -Wno-macro-redefined"
        DESTDIR="/tmp/$BUILD_DIR/x86_64-iossim"
        SSL_TARGET="iossimulator-xcrun"
        CC=clang
    ;;
    esac

    rm -rf $DESTDIR
    build_the_thing
    popd
#### copy libraries and includes to output-directory #####
    echo WORK_DIR=$WORK_DIR
    rm -rf deps/openssl/ios/$build_target/
    mkdir -p deps/openssl/ios/$build_target/usr/local/include/
    mkdir -p deps/openssl/ios/$build_target/usr/local/lib/
    cp -R $WORK_DIR/include/* deps/openssl/ios/$build_target/usr/local/include/
    cp $WORK_DIR/*.a deps/openssl/ios/$build_target/usr/local/lib/
done

echo Success