#!/usr/bin/env bash

set -euo pipefail

step="initializing"

on_error() {

local status="$1"

echo "error: libbitcoinkernel ${step} failed for ${platform:-unknown platform} (exit ${status})." >&2

echo "error: Inspect the 'Embed libbitcoinkernel' build phase log for details." >&2

exit "${status}"

}

trap 'on_error $?' ERR

platform="${1:-${PLATFORM_NAME:-}}"

srcroot="${2:-${SRCROOT:-}}"

target_build_dir="${3:-${TARGET_BUILD_DIR:-}}"

frameworks_folder_path="${4:-${FRAMEWORKS_FOLDER_PATH:-}}"

code_sign_identity="${5:-${EXPANDED_CODE_SIGN_IDENTITY:-}}"

derived_file_dir="${6:-${DERIVED_FILE_DIR:-}}"

target_temp_dir="${7:-${TARGET_TEMP_DIR:-}}"

require_value() {

local name="$1"

local value="$2"

if [[ -z "${value}" ]]; then

echo "error: Missing required build setting '${name}'." >&2

exit 1

fi

}

require_value "PLATFORM_NAME" "${platform}"

require_value "SRCROOT" "${srcroot}"

require_value "TARGET_BUILD_DIR" "${target_build_dir}"

require_value "FRAMEWORKS_FOLDER_PATH" "${frameworks_folder_path}"

require_value "DERIVED_FILE_DIR" "${derived_file_dir}"

require_value "TARGET_TEMP_DIR" "${target_temp_dir}"

kernel_build_root="${target_temp_dir}/libbitcoinkernel"

kernel_install_root="${derived_file_dir}/libbitcoinkernel"

case "${platform}" in

macosx)

platform_slug="macos"

;;

iphonesimulator)

platform_slug="iossim"

;;

iphoneos)

platform_slug="ios"

;;

*)

echo "note: Skipping libbitcoinkernel embed for ${platform}; kernel sync is currently unsupported on this platform."

exit 0

;;

esac

build_dir="${kernel_build_root}/${platform_slug}"

install_prefix="${kernel_install_root}/${platform_slug}"

source_lib="${install_prefix}/lib/libbitcoinkernel.dylib"

step="building libbitcoinkernel"

/bin/bash "${srcroot}/scripts/build-libbitcoinkernel.sh" "${platform}" "${srcroot}" "${build_dir}" "${install_prefix}"

dest_dir="${target_build_dir}/${frameworks_folder_path}"

dest_lib="${dest_dir}/libbitcoinkernel.dylib"

step="verifying libbitcoinkernel output"

if [[ ! -f "${source_lib}" ]]; then

echo "error: Missing libbitcoinkernel at ${source_lib} after build." >&2

exit 1

fi

step="embedding libbitcoinkernel"

mkdir -p "${dest_dir}"

cp -f "${source_lib}" "${dest_lib}"

chmod 755 "${dest_lib}"

if [[ -n "${code_sign_identity}" ]]; then

step="codesigning libbitcoinkernel"

/usr/bin/codesign --force --sign "${code_sign_identity}" --timestamp=none "${dest_lib}"

fi