import gi
gi.require_version('Gtk', '3.0')
from gi.repository import Gtk
from widgets import ActiveCustomerCard


class ActiveView:
    """View for displaying active customer locations."""
    
    def __init__(self, callbacks):
        self.callbacks = callbacks
        self.widget = self._create_widget()
        
    def _create_widget(self):
        """Create the main container for active locations."""
        # Main container
        vbox = Gtk.Box(orientation=Gtk.Orientation.VERTICAL, spacing=12)
        
        # Scrolled window for content
        scrolled = Gtk.ScrolledWindow()
        scrolled.set_policy(Gtk.PolicyType.NEVER, Gtk.PolicyType.AUTOMATIC)
        scrolled.set_shadow_type(Gtk.ShadowType.NONE)
        vbox.pack_start(scrolled, True, True, 0)
        
        # Content box
        self.content_box = Gtk.Box(orientation=Gtk.Orientation.VERTICAL, spacing=12)
        scrolled.add(self.content_box)
        
        return vbox
    
    def update(self, customers):
        """Update the view with new customer data.
        
        Args:
            customers: List of Customer objects with active locations to display
        """
        # Clear existing content
        for child in self.content_box.get_children():
            child.destroy()
        
        if customers:
            # Add customer cards
            for customer in customers:
                customer_card = ActiveCustomerCard(customer, self.callbacks)
                self.content_box.pack_start(customer_card.widget, False, False, 0)
        else:
            # Show empty state message
            no_active_label = Gtk.Label()
            no_active_label.set_markup("<span alpha='50%'>No active locations</span>")
            no_active_label.set_margin_top(20)
            self.content_box.pack_start(no_active_label, False, False, 0)
        
        self.content_box.show_all()
    
    def set_visible(self, visible):
        """Set visibility of the entire view."""
        self.widget.set_visible(visible)
    
    def clear(self):
        """Clear all content from the view."""
        for child in self.content_box.get_children():
            child.destroy()