setup.sh

#!/bin/bash
set -e

# === Config ===
# Folder where this script lives = project root
PROJECT_DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
VENV_DIR="$PROJECT_DIR/venv"
LAUNCHER="$HOME/ros2_debug_desktop_launcher.sh"
ALIAS_NAME="bug"   # shortcut command name

echo "=== Setting up ROS 2 Debug Desktop App ==="
echo "Project dir : $PROJECT_DIR"
echo "Venv dir    : $VENV_DIR"
echo "Alias       : $ALIAS_NAME"
echo

# 1) Create venv if not exists
if [ ! -d "$VENV_DIR" ]; then
    echo "[1/3] Creating virtual environment..."
    python3 -m venv "$VENV_DIR"
else
    echo "[1/3] Virtual environment already exists -> $VENV_DIR"
fi

# 2) Install dependencies
echo "[2/3] Installing Python dependencies..."
# shellcheck source=/dev/null
source "$VENV_DIR/bin/activate"
pip install --upgrade pip

if [ -f "$PROJECT_DIR/requirements.txt" ]; then
    pip install -r "$PROJECT_DIR/requirements.txt"
else
    echo "ERROR: requirements.txt not found in $PROJECT_DIR"
    exit 1
fi

# 3) Create launcher script
echo "[3/3] Creating launcher -> $LAUNCHER"

cat > "$LAUNCHER" <<EOL
#!/bin/bash
set -e

PROJECT_DIR="$PROJECT_DIR"
VENV_DIR="\$PROJECT_DIR/venv"

# Activate venv
# shellcheck source=/dev/null
source "\$VENV_DIR/bin/activate"

cd "\$PROJECT_DIR"

# Run app
python3 ros2_debug_desktop/main.py
EOL

chmod +x "$LAUNCHER"

# Add alias in ~/.bashrc if not present
if ! grep -q "alias $ALIAS_NAME=" "$HOME/.bashrc"; then
    echo "alias $ALIAS_NAME=\"$LAUNCHER\"" >> "$HOME/.bashrc"
    echo "Alias '$ALIAS_NAME' added to ~/.bashrc"
else
    echo "Alias '$ALIAS_NAME' already exists in ~/.bashrc"
fi

echo
echo "=== Setup complete ==="
echo "Now run:  source ~/.bashrc"
echo "Then launch app from anywhere using:  $ALIAS_NAME"