#!/bin/bash

set -e

# source the common build functions
SCRIPT_DIR=$(dirname "$0")
source "${SCRIPT_DIR}/ios_build_functions.sh"

function setup ()
{
    if [ -f "${ROOT_PATH}/External/libssh2-ios/lib/libssh2-ios.a" ]
    then
        echo "No update needed."
        exit 0
    fi
    LIBRARY_NAME="libssh2"
}

function build_ssh2 () 
{
    mkdir -p "${ROOT_PATH}/External/libssh2-ios/lib" "${ROOT_PATH}/External/libssh2-ios/lib" "${ROOT_PATH}/External/libssh2-ios/src"

    rm -rf "${ROOT_PATH}/External/libssh2-ios/src/libssh2"
    cp -R "${ROOT_PATH}/External/libssh2" "${ROOT_PATH}/External/libssh2-ios/src/"
    pushd "${ROOT_PATH}/External/libssh2-ios/src/libssh2" > /dev/null

    export CFLAGS="-arch ${ARCH} -fembed-bitcode -pipe -no-cpp-precomp -isysroot ${SDKROOT} -miphoneos-version-min=${IPHONEOS_DEPLOYMENT_TARGET}"
    export CPPFLAGS="-arch ${ARCH} -fembed-bitcode -pipe -no-cpp-precomp -isysroot ${SDKROOT} -miphoneos-version-min=${IPHONEOS_DEPLOYMENT_TARGET}"

    mkdir -p "${ROOT_PATH}/External/libssh2-ios/bin/${SDKNAME}-${ARCH}.sdk"
    LOG="${ROOT_PATH}/External/libssh2-ios/bin/${SDKNAME}-${ARCH}.sdk/build-libssh2.log"

    echo "${LOG}"

    ./buildconf >> "${LOG}" 2>&1
    ./configure --host=${HOST} --prefix="${ROOT_PATH}/External/libssh2-ios/bin/${SDKNAME}-${ARCH}.sdk" --with-openssl --with-libssl-prefix="${ROOT_PATH}/External/ios-openssl" --disable-shared --enable-static >> "${LOG}" 2>&1
    make >> "${LOG}" 2>&1
    make install >> "${LOG}" 2>&1
    popd > /dev/null

    BUILT_LIBS+=("${ROOT_PATH}/External/libssh2-ios/bin/${SDKNAME}-${ARCH}.sdk/lib/libssh2.a")
}

function fat_binary ()
{
    echo "Building fat binary..."

    lipo -create "${BUILT_LIBS[@]}" -output "${ROOT_PATH}/External/libssh2-ios/lib/libssh2-ios.a"
    mkdir -p "${ROOT_PATH}/External/libssh2-ios/include/libssh2"
    cp -R "${ROOT_PATH}/External/libssh2-ios/bin/iphonesimulator${SDKVERSION}-i386.sdk/include/libssh2.h" "${ROOT_PATH}/External/libssh2-ios/include/libssh2/"

    echo "Building done."
}

build_all_archs setup build_ssh2 fat_binary