#!/bin/sh
set -e

REPO="gupsammy/brave-cli"
BINARY="brave-cli"
INSTALL_DIR="/usr/local/bin"

# Detect OS
case "$(uname -s)" in
  Darwin) OS="darwin" ;;
  Linux)  OS="linux" ;;
  *)
    echo "Unsupported OS: $(uname -s)"
    exit 1
    ;;
esac

# Detect architecture
case "$(uname -m)" in
  x86_64|amd64) ARCH="amd64" ;;
  arm64|aarch64) ARCH="arm64" ;;
  *)
    echo "Unsupported architecture: $(uname -m)"
    exit 1
    ;;
esac

ARCHIVE="${BINARY}_${OS}_${ARCH}.tar.gz"
URL="https://github.com/${REPO}/releases/latest/download/${ARCHIVE}"

echo "Downloading ${BINARY} (${OS}/${ARCH})..."
TMP_DIR="$(mktemp -d)"
trap 'rm -rf "$TMP_DIR"' EXIT

curl -fsSL "$URL" -o "${TMP_DIR}/${ARCHIVE}"
tar -xzf "${TMP_DIR}/${ARCHIVE}" -C "$TMP_DIR"

# Install to /usr/local/bin if writable, otherwise ~/.local/bin
if [ -w "$INSTALL_DIR" ]; then
  mv "${TMP_DIR}/${BINARY}" "${INSTALL_DIR}/${BINARY}"
else
  INSTALL_DIR="${HOME}/.local/bin"
  mkdir -p "$INSTALL_DIR"
  mv "${TMP_DIR}/${BINARY}" "${INSTALL_DIR}/${BINARY}"
  echo "Installed to ${INSTALL_DIR}/${BINARY}"
  echo "Add ${INSTALL_DIR} to your PATH if it is not already included."
fi

echo "Installed ${BINARY} to ${INSTALL_DIR}/${BINARY}"
"${INSTALL_DIR}/${BINARY}" --help > /dev/null && echo "OK — ${BINARY} is ready."