install.sh

#!/bin/bash
set -euo pipefail

REPO="tomtev/loopwind"
INSTALL_DIR="$HOME/.loopwind"

# Colors
RED='\033[0;31m'
GREEN='\033[0;32m'
YELLOW='\033[1;33m'
CYAN='\033[0;36m'
BOLD='\033[1m'
NC='\033[0m'

info() { printf "${CYAN}%s${NC}\n" "$1"; }
success() { printf "${GREEN}%s${NC}\n" "$1"; }
warn() { printf "${YELLOW}%s${NC}\n" "$1"; }
error() { printf "${RED}%s${NC}\n" "$1" >&2; }

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

# Detect architecture
ARCH="$(uname -m)"
case "$ARCH" in
  x86_64)  ARCH="x64" ;;
  aarch64) ARCH="arm64" ;;
  arm64)   ARCH="arm64" ;;
  *)
    error "Unsupported architecture: $ARCH"
    exit 1
    ;;
esac

TARBALL="loopwind-${OS}-${ARCH}.tar.gz"
URL="https://github.com/${REPO}/releases/latest/download/${TARBALL}"

echo ""
printf "${BOLD}loopwind installer${NC}\n"
echo ""

# Check for Node.js
if ! command -v node &>/dev/null; then
  error "Node.js is required but not installed."
  echo "  Install it from https://nodejs.org/ (v18+)"
  exit 1
fi

NODE_VERSION="$(node -v)"
info "Found Node.js ${NODE_VERSION}"

# Download
info "Downloading ${TARBALL}..."
TMPDIR_PATH="$(mktemp -d)"
trap 'rm -rf "$TMPDIR_PATH"' EXIT

if ! curl -fsSL "$URL" -o "${TMPDIR_PATH}/${TARBALL}"; then
  error "Download failed. Check that a release exists for ${OS}-${ARCH}."
  echo "  ${URL}"
  exit 1
fi

# Extract
info "Installing to ${INSTALL_DIR}..."
rm -rf "$INSTALL_DIR"
mkdir -p "$INSTALL_DIR"
tar -xzf "${TMPDIR_PATH}/${TARBALL}" -C "$INSTALL_DIR" --strip-components=1

# Get version
VERSION="unknown"
if [ -f "$INSTALL_DIR/package.json" ]; then
  VERSION="$(node -e "console.log(require('$INSTALL_DIR/package.json').version)" 2>/dev/null || echo "unknown")"
fi

# Create wrapper script
WRAPPER='#!/bin/bash
exec node "$HOME/.loopwind/dist/cli.js" "$@"'

BIN_DIR="$HOME/.loopwind/bin"
mkdir -p "$BIN_DIR"
echo "$WRAPPER" > "$BIN_DIR/loopwind"
chmod +x "$BIN_DIR/loopwind"
WRAPPER_PATH="$BIN_DIR/loopwind"

# Add to PATH if not already there
if [[ ":$PATH:" != *":$BIN_DIR:"* ]]; then
  SHELL_NAME="$(basename "$SHELL")"
  case "$SHELL_NAME" in
    zsh)  PROFILE="$HOME/.zshrc" ;;
    bash) PROFILE="$HOME/.bashrc" ;;
    *)    PROFILE="$HOME/.profile" ;;
  esac

  if ! grep -q '.loopwind/bin' "$PROFILE" 2>/dev/null; then
    echo 'export PATH="$HOME/.loopwind/bin:$PATH"' >> "$PROFILE"
    info "Added ~/.loopwind/bin to PATH in ${PROFILE}"
    info "Run: source ${PROFILE}  (or open a new terminal)"
  fi
fi

echo ""
success "loopwind v${VERSION} installed successfully!"
echo ""
echo "  Location:  ${INSTALL_DIR}"
echo "  Command:   ${WRAPPER_PATH}"
echo ""
echo "  Get started:"
echo "    cd your-project/"
echo "    loopwind init"
echo "    loopwind add image-template"
echo "    loopwind render image-template '{\"title\":\"Hello World\"}'"
echo ""