feat: Add automatic XIVLauncher installation to the installer script and update the README to reflect this new capability.

installer.sh

@@ -12,6 +12,122 @@ ICON_DIR="$HOME/.local/share/icons/hicolor/512x512/apps"
 echo "XIVLauncher Wrapper - Installer"
 echo "=========================================="
 
+# ------------------------------------------------------------------
+# Helper Functions
+# ------------------------------------------------------------------
+
+check_xivlauncher_installed() {
+    # Check for Flatpak
+    if command -v flatpak >/dev/null 2>&1; then
+        if flatpak list --app | grep -q "dev.goats.xivlauncher"; then
+            echo "Found XIVLauncher (Flatpak)."
+            return 0
+        fi
+    fi
+
+    # Check for Native
+    if command -v xivlauncher >/dev/null 2>&1 || \
+       command -v xivlauncher-core >/dev/null 2>&1 || \
+       command -v xivlauncher-rb >/dev/null 2>&1; then
+        echo "Found XIVLauncher (Native)."
+        return 0
+    fi
+
+    return 1
+}
+
+install_flatpak_version() {
+    echo "Attempting to install XIVLauncher via Flatpak..."
+    if ! command -v flatpak >/dev/null 2>&1; then
+        echo "Error: 'flatpak' command not found. Cannot install Flatpak version."
+        return 1
+    fi
+
+    # Ensure Flathub repo exists (common issue if not set up)
+    flatpak remote-add --if-not-exists flathub https://flathub.org/repo/flathub.flatpakrepo
+
+    # Install
+    flatpak install -y flathub dev.goats.xivlauncher
+}
+
+install_aur_version() {
+    local helper="$1"
+    echo "Attempting to install XIVLauncher via AUR ($helper)..."
+    
+    # Using xivlauncher-bin for faster installation
+    $helper -S --noconfirm xivlauncher-bin
+}
+
+# ------------------------------------------------------------------
+# Main Logic
+# ------------------------------------------------------------------
+
+echo "Checking for XIVLauncher installation..."
+
+if ! check_xivlauncher_installed; then
+    echo "XIVLauncher not found. Attempting auto-installation..."
+
+    if [ -f "/etc/os-release" ]; then
+        . /etc/os-release
+    fi
+
+    INSTALLED=false
+    OS_ID="${ID:-linux}"
+    OS_LIKE="${ID_LIKE:-}"
+
+    # Logic for SteamOS / Bazzite (Force Flatpak)
+    # Bazzite often identifies as bazzite or fedora but has image-based constraints. 
+    # Usually recommended to use Flatpaks.
+    if [[ "$OS_ID" == "steamos" ]] || [[ "$OS_ID" == "bazzite" ]] || [[ "$OS_ID" == "chimeraos" ]]; then
+        echo "Detected Gaming OS ($OS_ID). Using Flatpak."
+        install_flatpak_version
+        if check_xivlauncher_installed; then INSTALLED=true; fi
+
+    # Logic for Arch / CachyOS (Try AUR, Fallback to Flatpak)
+    elif [[ "$OS_ID" == "arch" ]] || [[ "$OS_ID" == "cachyos" ]] || [[ "$OS_LIKE" == *"arch"* ]]; then
+        echo "Detected Arch-based OS ($OS_ID)."
+        
+        if command -v yay >/dev/null 2>&1; then
+            install_aur_version "yay"
+            INSTALLED=true
+        elif command -v paru >/dev/null 2>&1; then
+            install_aur_version "paru"
+            INSTALLED=true
+        else
+            echo "No AUR helper (yay/paru) found. Falling back to Flatpak."
+            install_flatpak_version
+            if check_xivlauncher_installed; then INSTALLED=true; fi
+        fi
+
+    # Fallback for others
+    else
+        echo "Detected OS: $OS_ID."
+        
+        if command -v flatpak >/dev/null 2>&1; then
+            echo "Flatpak found. Defaulting to Flatpak version."
+            install_flatpak_version
+            if check_xivlauncher_installed; then INSTALLED=true; fi
+        else
+            echo "Flatpak is not installed."
+            echo "We recommend installing XIVLauncher via Flatpak on this distribution."
+            echo "Please install Flatpak using your package manager, then run this script again."
+        fi
+    fi
+
+    # Final Check
+    if ! check_xivlauncher_installed; then
+        echo "WARNING: Automated installation failed or XIVLauncher is still not detected."
+        echo "You will need to install XIVLauncher manually."
+        read -p "Press Enter to continue with wrapper installation anyway..." _
+    else
+        echo "XIVLauncher installed successfully!"
+    fi
+else
+    echo "XIVLauncher is already present."
+fi
+
+echo ""
+
 # Create config directory if it doesn't exist
 mkdir -p "$CONFIG_DIR"