#!/usr/bin/env bash
set -euo pipefail

export PATH="/opt/homebrew/bin:/usr/local/bin:/usr/bin:/bin:/usr/sbin:/sbin:$PATH:$HOME/.cargo/bin"
export RUSTC="$(rustup which --toolchain stable rustc)"
export RUSTDOC="$(rustup which --toolchain stable rustdoc)"
export CARGO_TARGET_DIR="$DERIVED_FILE_DIR/cargo"
export CARGO_PROFILE_RELEASE_DEBUG="${CARGO_PROFILE_RELEASE_DEBUG:-1}"

if [[ "$CONFIGURATION" == "Debug" ]]; then
    profile=debug
else
    profile=release
fi

if [[ "${LLVM_TARGET_TRIPLE_SUFFIX:-}" == "-simulator" ]]; then
    separator=$'\x1f'
    entitlement_flags="-Clink-arg=-Wl,-sectcreate,__TEXT,__entitlements,$LD_ENTITLEMENTS_SECTION"
    entitlement_flags+="$separator-Clink-arg=-Wl,-sectcreate,__TEXT,__ents_der,$LD_ENTITLEMENTS_SECTION_DER"
    export CARGO_ENCODED_RUSTFLAGS="${CARGO_ENCODED_RUSTFLAGS:+$CARGO_ENCODED_RUSTFLAGS$separator}$entitlement_flags"
fi

executables=()
for arch in $ARCHS; do
    if [[ "$arch" == "arm64" && "${LLVM_TARGET_TRIPLE_SUFFIX:-}" == "-simulator" ]]; then
        target=aarch64-apple-ios-sim
    elif [[ "$arch" == "arm64" ]]; then
        target=aarch64-apple-ios
    elif [[ "$arch" == "x86_64" ]]; then
        target=x86_64-apple-ios
    else
        echo "Unsupported iOS architecture: $arch" >&2
        exit 1
    fi

    if [[ "$profile" == "debug" ]]; then
        rustup run stable cargo build --locked --target "$target" --bin "$1"
    else
        rustup run stable cargo build --locked --release --target "$target" --bin "$1"
    fi
    executables+=("$CARGO_TARGET_DIR/$target/$profile/$1")
done

lipo -create -output "$TARGET_BUILD_DIR/$EXECUTABLE_PATH" "${executables[@]}"

if [[ -n "${DWARF_DSYM_FOLDER_PATH:-}" && -n "${DWARF_DSYM_FILE_NAME:-}" ]]; then
    dsymutil "$TARGET_BUILD_DIR/$EXECUTABLE_PATH" -o "$DWARF_DSYM_FOLDER_PATH/$DWARF_DSYM_FILE_NAME"
fi