#!/usr/bin/env bash
# download-icebug.sh - fetch the platform-specific icebug prebuilt into vendor/
# Usage: ./scripts/download-icebug.sh [version]
#   version  optional tag, e.g. "12.9" (default: 12.9)
set -euo pipefail

REPO="Ladybug-Memory/icebug"
VENDOR_DIR="${ICEBUG_VENDOR_DIR:-$(cd "$(dirname "$0")/.." && pwd)/vendor}"
DEFAULT_TAG="12.9"

if [[ "${1:-}" != "" ]]; then
  TAG="$1"
else
  TAG="${ICEBUG_VERSION:-${DEFAULT_TAG}}"
fi
BASE_URL="https://github.com/${REPO}/releases/download/${TAG}"

echo "icebug release: ${TAG}"

OS_RAW="$(uname -s)"
ARCH_RAW="$(uname -m)"

case "${OS_RAW}" in
  Darwin) OS="macos" ;;
  Linux) OS="linux" ;;
  MINGW* | MSYS* | CYGWIN*) OS="win" ;;
  *)
    echo "error: unsupported OS '${OS_RAW}'" >&2
    exit 1
    ;;
esac

case "${ARCH_RAW}" in
  arm64 | aarch64) ARCH="arm64" ;;
  x86_64)
    ARCH="x86_64"
    [[ "${OS}" == "win" ]] && ARCH="amd64"
    ;;
  *)
    echo "error: unsupported architecture '${ARCH_RAW}' on ${OS_RAW}" >&2
    exit 1
    ;;
esac

if [[ "${OS}" == "win" ]]; then
  ASSET="icebug-${OS}-${ARCH}.zip"
else
  ASSET="icebug-${OS}-${ARCH}.tar.gz"
fi

DOWNLOAD_URL="${BASE_URL}/${ASSET}"
ARCHIVE="${VENDOR_DIR}/${ASSET}"

echo "Asset:  ${ASSET}"
echo "URL:    ${DOWNLOAD_URL}"
echo "Vendor: ${VENDOR_DIR}"

mkdir -p "${VENDOR_DIR}"
echo "Downloading..."
curl -fSL --progress-bar -o "${ARCHIVE}" "${DOWNLOAD_URL}"

echo "Extracting..."
rm -rf "${VENDOR_DIR}/include" "${VENDOR_DIR}/lib"

if [[ "${ASSET}" == *.zip ]]; then
  unzip -q "${ARCHIVE}" -d "${VENDOR_DIR}"
else
  tar -xzf "${ARCHIVE}" -C "${VENDOR_DIR}"
fi

rm "${ARCHIVE}"

echo "Done. Contents of ${VENDOR_DIR}:"
ls "${VENDOR_DIR}"