#!/bin/bash
set -e

BASE_URL="${APEX_BASE_URL:-https://get.abundance.sh}"
INSTALL_DIR="${APEX_INSTALL_DIR:-$HOME/.local/bin}"
VERSION="${APEX_VERSION:-$(curl -fsSL "$BASE_URL/version.txt")}"

OS="$(uname -s | tr '[:upper:]' '[:lower:]')"
ARCH="$(uname -m)"
case "$ARCH" in
  x86_64) ARCH="x64" ;;
  aarch64|arm64) ARCH="arm64" ;;
esac

TARBALL="apex-${OS}-${ARCH}-v${VERSION}.tar.gz"
URL="${BASE_URL}/${TARBALL}"

echo "Installing Apex Code v${VERSION} ($OS/$ARCH)..."

mkdir -p "$INSTALL_DIR"

TMP="$(mktemp -d)"
trap 'rm -rf "$TMP"' EXIT

curl -fsSL "$URL" -o "$TMP/$TARBALL"
tar -xzf "$TMP/$TARBALL" -C "$TMP"

BINARY="$TMP/apex"
if [ ! -f "$BINARY" ]; then
  echo "Error: Your platform ($OS/$ARCH) is not supported yet."
  exit 1
fi

if [ "$OS" = "darwin" ]; then
  xattr -c "$BINARY" 2>/dev/null || true
fi

chmod +x "$BINARY"
mv "$BINARY" "$INSTALL_DIR/apex"

echo ""
echo "Apex Code v${VERSION} installed to $INSTALL_DIR/apex"

if ! echo "$PATH" | tr ':' '\n' | grep -qx "$INSTALL_DIR"; then
  SHELL_NAME="$(basename "$SHELL")"
  RC="~/.${SHELL_NAME}rc"
  echo ""
  echo "Add to your PATH by running:"
  echo "  echo 'export PATH=\"$INSTALL_DIR:\$PATH\"' >> $RC && source $RC"
fi

echo ""
echo "Run 'apex' to get started."