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

[ -n "$ASDF_INSTALL_VERSION" ] || { echo "ASDF_INSTALL_VERSION is required" >&2; exit 1; }
[ -n "$ASDF_DOWNLOAD_PATH" ] || { echo "ASDF_DOWNLOAD_PATH is required" >&2; exit 1; }

OS=$(uname -s | tr '[:upper:]' '[:lower:]')
ARCH=$(uname -m)

case "$ARCH" in
  x86_64) ARCH="amd64" ;;
  aarch64) ARCH="arm64" ;;
esac

URL="https://github.com/versenilvis/iris/releases/download/v${ASDF_INSTALL_VERSION}/iris_${OS}_${ARCH}.tar.gz"

echo "Downloading Iris from $URL"
curl -sSL "$URL" -o "$ASDF_DOWNLOAD_PATH/iris.tar.gz"
tar -xzf "$ASDF_DOWNLOAD_PATH/iris.tar.gz" -C "$ASDF_DOWNLOAD_PATH"
rm "$ASDF_DOWNLOAD_PATH/iris.tar.gz"