#!/usr/bin/env bash
# eSheep installer for Linux/Wayland
set -e

INSTALL_DIR="$HOME/.local/share/esheep"
BIN_DIR="$HOME/.local/bin"

echo "=== eSheep Wayland installer ==="

# Detect distro
if command -v apt-get &>/dev/null; then
    echo "Installing system dependencies (apt)..."
    sudo apt-get install -y \
        python3 \
        python3-gi \
        python3-gi-cairo \
        python3-pil \
        gir1.2-gtk-3.0 \
        gir1.2-gtklayershell-0.1 \
        python3-pip

    echo "Installing Python packages..."
    pip3 install --user numpy wayfire --break-system-packages 2>/dev/null || \
    pip3 install --user numpy wayfire

elif command -v pacman &>/dev/null; then
    echo "Installing system dependencies (pacman)..."
    sudo pacman -S --needed python python-gobject python-pillow gtk3 gtk-layer-shell python-numpy

    echo "Installing Python packages..."
    pip install --user wayfire

elif command -v dnf &>/dev/null; then
    echo "Installing system dependencies (dnf)..."
    sudo dnf install -y python3 python3-gobject python3-pillow gtk3 gtk-layer-shell python3-numpy
    pip3 install --user wayfire

else
    echo "WARNING: Unknown distro. Install manually:"
    echo "  - python3, python3-gi (PyGObject), python3-pil (Pillow), numpy"
    echo "  - GTK 3.0 GObject introspection"
    echo "  - gtk-layer-shell GObject introspection (gir1.2-gtklayershell-0.1)"
    echo "  - pip install wayfire"
fi

echo "Installing eSheep to $INSTALL_DIR..."
mkdir -p "$INSTALL_DIR" "$BIN_DIR"

cp "$(dirname "$0")/esheep.py"       "$INSTALL_DIR/"
cp "$(dirname "$0")/animations.xml"  "$INSTALL_DIR/"

# Launcher script
cat > "$BIN_DIR/esheep" << EOF
#!/usr/bin/env bash
exec python3 "$INSTALL_DIR/esheep.py" --xml "$INSTALL_DIR/animations.xml" "\$@"
EOF
chmod +x "$BIN_DIR/esheep"

# Desktop entry
mkdir -p "$HOME/.local/share/applications"
cat > "$HOME/.local/share/applications/esheep.desktop" << EOF
[Desktop Entry]
Name=eSheep
Comment=Desktop sheep for Wayland
Exec=$BIN_DIR/esheep
Icon=application-x-executable
Type=Application
Categories=Amusement;
Keywords=sheep;pet;desktop;
EOF

echo ""
echo "=== Installation complete! ==="
echo ""
echo "Run:  esheep"
echo "Run with multiple sheep:  esheep --count 3"
echo ""
echo "Make sure Wayfire's 'ipc' plugin is enabled for window walking:"
echo "  Add 'ipc' to the 'plugins' line in ~/.config/wayfire.ini"
echo ""