install.sh

#!/bin/bash

# Installation script for WallPicker

set -e

INSTALL_DIR="$HOME/.local/share/wallpicker"
BIN_DIR="$HOME/.local/bin"
DESKTOP_DIR="$HOME/.local/share/applications"
ICON_DIR="$HOME/.local/share/icons/hicolor/scalable/apps"
SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"

echo "Installing WallPicker..."

# Check Python 3
if ! command -v python3 &> /dev/null; then
    echo "Error: python3 not found. Please install Python 3."
    exit 1
fi

# Install system dependencies
echo "Installing system dependencies..."
if command -v apt-get &> /dev/null; then
    # Ubuntu/Debian
    sudo apt-get update
    sudo apt-get install -y python3-pip python3-venv python3-gi libgirepository1.0-dev \
        gir1.2-gtk-4.0 gir1.2-adw-1
elif command -v dnf &> /dev/null; then
    # Fedora
    sudo dnf install -y python3-pip python3-gobject gtk4 libadwaita-devel
elif command -v pacman &> /dev/null; then
    # Arch
    sudo pacman -S --needed python python-pip python-gobject gtk4 \
        libadwaita
else
    echo "Warning: Could not detect package manager. Please install manually."
    echo "Required: python3, python3-gobject, gtk4, libadwaita"
fi

# Create installation directories
echo "Creating installation directories..."
mkdir -p "$INSTALL_DIR"

# Install Python dependencies into a dedicated virtualenv (PEP 668-safe).
echo "Installing Python dependencies..."
if python3 -m venv "$INSTALL_DIR/venv" 2>/dev/null; then
    "$INSTALL_DIR/venv/bin/pip" install --upgrade pip >/dev/null
    "$INSTALL_DIR/venv/bin/pip" install -r "$SCRIPT_DIR/requirements.txt"
    USE_VENV=1
else
    echo "Warning: could not create a virtualenv (is 'python3-venv' installed?)."
    # Fall back to --break-system-packages for PEP 668 (externally managed) systems.
    if ! pip3 install --user -r "$SCRIPT_DIR/requirements.txt" 2>/dev/null; then
        pip3 install --user --break-system-packages -r "$SCRIPT_DIR/requirements.txt"
    fi
    USE_VENV=0
fi

# Create remaining directories
mkdir -p "$BIN_DIR"
mkdir -p ~/.config/wallpicker
mkdir -p ~/.cache/wallpicker/thumbnails

# Copy source files
echo "Copying source files..."
cp -r "$SCRIPT_DIR/src" "$INSTALL_DIR/"
cp -r "$SCRIPT_DIR/data" "$INSTALL_DIR/" 2>/dev/null || true
cp "$SCRIPT_DIR/wallpicker" "$INSTALL_DIR/"

# Make entry point executable
chmod +x "$INSTALL_DIR/wallpicker"

# Create launcher in bin directory (uses the virtualenv when available)
echo "Creating executable launcher..."
if [ "$USE_VENV" = "1" ]; then
    cat > "$BIN_DIR/wallpicker" << EOF
#!/bin/bash
exec "$INSTALL_DIR/venv/bin/python" "$INSTALL_DIR/wallpicker" "\$@"
EOF
    chmod +x "$BIN_DIR/wallpicker"
else
    ln -sf "$INSTALL_DIR/wallpicker" "$BIN_DIR/wallpicker"
fi

# Install icon
echo "Installing icon..."
mkdir -p "$ICON_DIR"
if [ -f "$SCRIPT_DIR/data/wallpaper-icon.svg" ]; then
    cp "$SCRIPT_DIR/data/wallpaper-icon.svg" "$ICON_DIR/wallpicker.svg"
fi

# Install desktop entry
echo "Creating desktop entry..."
mkdir -p "$DESKTOP_DIR"

if [ -f "$SCRIPT_DIR/wallpicker.desktop" ]; then
    # Use existing desktop file and update paths to the actual entries
    sed -e "s|^Exec=/usr/bin/wallpicker|Exec=$BIN_DIR/wallpicker|" \
        -e "s|^Icon=wallpicker\$|Icon=$ICON_DIR/wallpicker.svg|" \
        "$SCRIPT_DIR/wallpicker.desktop" > "$DESKTOP_DIR/wallpicker.desktop"
else
    # Fallback: create desktop entry from scratch
    cat > "$DESKTOP_DIR/wallpicker.desktop" << EOF
[Desktop Entry]
Version=1.0
Type=Application
Name=WallPicker
Comment=Browse and set wallpapers from Wallhaven and local collection
Exec=$BIN_DIR/wallpicker
Icon=$ICON_DIR/wallpicker.svg
Terminal=false
StartupNotify=true
Categories=Utility;Graphics;
Keywords=wallpaper;background;desktop;wallhaven;
X-GNOME-UsesNotifications=true
EOF
fi

# Update desktop database
if command -v update-desktop-database &> /dev/null; then
    update-desktop-database "$DESKTOP_DIR" 2>/dev/null || true
fi

# Update icon cache
if command -v gtk-update-icon-cache &> /dev/null; then
    gtk-update-icon-cache "$HOME/.local/share/icons/hicolor" 2>/dev/null || true
fi

echo ""
echo "Installation complete!"
echo ""
echo "To run WallPicker:"
echo "  - From terminal: wallpicker"
echo "  - From menu: WallPicker"
echo ""
echo "Note: Make sure ~/.local/bin is in your PATH. Add this to your ~/.bashrc or ~/.zshrc:"
echo "  export PATH=\"\$HOME/.local/bin:\$PATH\""
echo ""