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

SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
cd "$SCRIPT_DIR"

BUILD_DIR="${BUILD_DIR:-$SCRIPT_DIR/build_linux}"
BUILD_TYPE="${BUILD_TYPE:-Release}"
export CMAKE_BUILD_PARALLEL_LEVEL="${CMAKE_BUILD_PARALLEL_LEVEL:-2}"

if [[ "$(uname -s)" != Linux ]]; then
    echo "ERROR: build_linux.sh requires a Linux host." >&2
    exit 1
fi

for tool in cmake ninja pkg-config "${CC:-cc}" "${CXX:-c++}"; do
    if ! command -v "$tool" >/dev/null 2>&1; then
        echo "ERROR: $tool not found. See README.md prerequisites." >&2
        exit 1
    fi
done

echo "Configuring Linux production targets in $BUILD_DIR ($BUILD_TYPE)..."
cmake -S "$SCRIPT_DIR" -B "$BUILD_DIR" -G Ninja \
    -DCMAKE_BUILD_TYPE="$BUILD_TYPE" \
    -DSERUMALT_BUILD_PLUGIN=ON \
    -DSERUMALT_BUILD_TESTS=OFF

echo "Building Linux VST3 and standalone..."
cmake --build "$BUILD_DIR" --config "$BUILD_TYPE" --target SerumAlt_VST3 SerumAlt_Standalone

echo "Done. Linux artifacts: $BUILD_DIR/SerumAlt_artefacts/$BUILD_TYPE"