#!/bin/bash

set -e

INSTALL_DIR="${PREFIX:-/usr/local}/bin"

COMPLETION_DIR="${PREFIX:-/usr/local}/etc/bash_completion.d"

SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"

echo ""

echo " Installing gshell..."

echo ""

# Helper to open a URL in the user's browser if possible

open_url() {

url="$1"

if command -v xdg-open >/dev/null 2>&1; then

xdg-open "$url" >/dev/null 2>&1 || true

elif command -v open >/dev/null 2>&1; then

open "$url" >/dev/null 2>&1 || true

elif command -v start >/dev/null 2>&1; then

start "$url" >/dev/null 2>&1 || true

else

echo " Visit: $url"

fi

}

# Check gcloud is installed (interactive)

if ! command -v gcloud &>/dev/null; then

echo " ⚠️ gcloud is not installed."

echo " Install it from: https://cloud.google.com/sdk/docs/install"

read -p "Open the installation page in your browser now? [y/N] " resp

if [ "$resp" = "y" ] || [ "$resp" = "Y" ]; then

open_url "https://cloud.google.com/sdk/docs/install"

echo " Opened browser. Follow the instructions and re-run this installer."

else

echo " Please install the Cloud SDK and re-run this script."

fi

exit 1

fi

echo " ✓ gcloud found: $(gcloud --version | head -n1)"

# Check for cloud-shell alpha subcommand and offer to install components

if ! gcloud alpha cloud-shell --help >/dev/null 2>&1; then

echo " ⚠️ Cloud Shell alpha subcommand not available. This script recommends installing the 'alpha' components."

read -p "Run 'gcloud components install alpha' now? [y/N] " resp

if [ "$resp" = "y" ] || [ "$resp" = "Y" ]; then

echo " Installing alpha components in background..."

gcloud components install alpha >/dev/null 2>&1 &

echo " Installation started in background; re-run installer after it completes."

exit 0

else

echo " You can enable it later with: gcloud components install alpha"

fi

fi

# Create install dir if needed

mkdir -p "$INSTALL_DIR"

mkdir -p "$COMPLETION_DIR"

# Copy gshell

cp "$SCRIPT_DIR/gshell" "$INSTALL_DIR/gshell"

chmod +x "$INSTALL_DIR/gshell"

echo " ✓ gshell installed to $INSTALL_DIR/gshell"

# Copy completion script

cp "$SCRIPT_DIR/gshell-completion.bash" "$COMPLETION_DIR/gshell-completion.bash"

echo " ✓ completion script installed to $COMPLETION_DIR/gshell-completion.bash"

# Source completion in .bashrc if not already there

if ! grep -q "gshell-completion" "$HOME/.bashrc"; then

echo "" >> "$HOME/.bashrc"

echo "# gshell completion" >> "$HOME/.bashrc"

echo "source \"$COMPLETION_DIR/gshell-completion.bash\"" >> "$HOME/.bashrc"

echo " ✓ Completion sourced in .bashrc"

fi

echo ""

echo " gshell installed successfully!"

echo " Run: source ~/.bashrc or open a new terminal to get started."

echo " Then type: gshell --help"

echo ""