#!/bin/bash
set -e

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

case "$ARCH" in
  x86_64) ARCH="amd64" ;;
  arm64|aarch64) ARCH="arm64" ;;
  *) echo "unsupported architecture: $ARCH" && exit 1 ;;
esac

# set install dir
INSTALL_DIR="./"

# resolve download url
if [ "$VERSION" = "latest" ]; then
  URL=$(curl -fsSL https://dist.inference.sh/engine/manifest.json | grep -o "\"$OS-$ARCH\":{[^}]*}" | grep -o 'https[^"]*')
else
  URL="https://dist.inference.sh/engine/inferencesh-engine-${VERSION}-${OS}-${ARCH}.tar.gz"
fi

NAME=$(basename "$URL" .tar.gz)
TMP=$(mktemp -d)
trap 'rm -rf "$TMP"' EXIT

echo "downloading engine $VERSION for $OS-$ARCH..."
curl -fsSL "$URL" -o "$TMP/engine.tar.gz"
tar -xzf "$TMP/engine.tar.gz" -C "$TMP"
BIN="$TMP/$NAME"

chmod +x "$BIN"
rm -f "$INSTALL_DIR/inferencesh-engine"
mv "$BIN" "$INSTALL_DIR/inferencesh-engine" 

echo "installed to $INSTALL_DIR"
echo "run '$INSTALL_DIR/inferencesh-engine' to start the engine"
echo "run '$INSTALL_DIR/inferencesh-engine --tui' to run the engine in TUI mode"
echo "run '$INSTALL_DIR/inferencesh-engine --quiet' to run the engine in quiet mode"