import {
  Calendar,
  Shield,
  MapPin,
  Users,
  BarChart3,
  Bell,
  Settings,
  LogOut,
  UserCog,
  ClipboardList,
  Car,
  Briefcase,
  Navigation,
} from "lucide-react";
import { Link, useLocation } from "wouter";
import {
  Sidebar,
  SidebarContent,
  SidebarGroup,
  SidebarGroupContent,
  SidebarGroupLabel,
  SidebarMenu,
  SidebarMenuButton,
  SidebarMenuItem,
  SidebarHeader,
  SidebarFooter,
} from "@/components/ui/sidebar";
import { useAuth } from "@/hooks/useAuth";
import { Avatar, AvatarFallback, AvatarImage } from "@/components/ui/avatar";
import { Button } from "@/components/ui/button";
import { ThemeToggle } from "@/components/theme-toggle";

const dashboardItems = [
  {
    title: "Dashboard",
    url: "/",
    icon: Shield,
    roles: ["admin", "coordinator", "guard", "client"],
  },
];

const creationItems = [
  {
    title: "Turni Fissi",
    url: "/shifts",
    icon: Calendar,
    roles: ["admin", "coordinator"],
  },
  {
    title: "Pattuglie Mobile",
    url: "/planning-mobile",
    icon: Navigation,
    roles: ["admin", "coordinator"],
  },
];

const consultationItems = [
  {
    title: "Planning Agente Fisso",
    url: "/planning-view-fixed-agent",
    icon: Users,
    roles: ["admin", "coordinator"],
  },
  {
    title: "Planning Agente Mobile",
    url: "/planning-view-mobile-agent",
    icon: Navigation,
    roles: ["admin", "coordinator"],
  },
  {
    title: "Planning Sito",
    url: "/site-planning-view",
    icon: MapPin,
    roles: ["admin", "coordinator"],
  },
];

const personalItems = [
  {
    title: "I Miei Turni Fissi",
    url: "/my-shifts-fixed",
    icon: Calendar,
    roles: ["guard"],
  },
  {
    title: "Le Mie Pattuglie",
    url: "/my-shifts-mobile",
    icon: Navigation,
    roles: ["guard"],
  },
];

const registryItems = [
  {
    title: "Guardie",
    url: "/guards",
    icon: Users,
    roles: ["admin", "coordinator"],
  },
  {
    title: "Siti",
    url: "/sites",
    icon: MapPin,
    roles: ["admin", "coordinator", "client"],
  },
  {
    title: "Clienti",
    url: "/customers",
    icon: Briefcase,
    roles: ["admin", "coordinator"],
  },
  {
    title: "Servizi",
    url: "/services",
    icon: Briefcase,
    roles: ["admin", "coordinator"],
  },
  {
    title: "Parco Automezzi",
    url: "/vehicles",
    icon: Car,
    roles: ["admin", "coordinator"],
  },
];

const reportingItems = [
  {
    title: "Report",
    url: "/reports",
    icon: BarChart3,
    roles: ["admin", "coordinator", "client"],
  },
];

const systemItems = [
  {
    title: "Notifiche",
    url: "/notifications",
    icon: Bell,
    roles: ["admin", "coordinator", "guard"],
  },
  {
    title: "Utenti",
    url: "/users",
    icon: UserCog,
    roles: ["admin"],
  },
  {
    title: "Parametri",
    url: "/parameters",
    icon: Settings,
    roles: ["admin", "coordinator"],
  },
];

export function AppSidebar() {
  const { user } = useAuth();
  const [location] = useLocation();

  const filterItems = (items: typeof dashboardItems) =>
    items.filter((item) => user && item.roles.includes(user.role));

  const renderMenuItems = (items: typeof dashboardItems) => (
    <SidebarMenu>
      {items.map((item) => (
        <SidebarMenuItem key={item.title}>
          <SidebarMenuButton
            asChild
            isActive={location === item.url}
            data-testid={`link-${item.title.toLowerCase().replace(/\s+/g, "-")}`}
          >
            <Link href={item.url}>
              <item.icon className="h-4 w-4" />
              <span>{item.title}</span>
            </Link>
          </SidebarMenuButton>
        </SidebarMenuItem>
      ))}
    </SidebarMenu>
  );

  return (
    <Sidebar>
      <SidebarHeader className="p-4 border-b">
        <div className="flex items-center gap-3">
          <Shield className="h-8 w-8 text-primary" />
          <div>
            <h1 className="text-lg font-semibold">VigilanzaTurni</h1>
            <p className="text-xs text-muted-foreground">Sistema Gestione</p>
          </div>
        </div>
      </SidebarHeader>

      <SidebarContent>
        {/* Dashboard */}
        {filterItems(dashboardItems).length > 0 && (
          <SidebarGroup>
            <SidebarGroupContent>
              {renderMenuItems(filterItems(dashboardItems))}
            </SidebarGroupContent>
          </SidebarGroup>
        )}

        {/* Planning Operativo - Creazione */}
        {filterItems(creationItems).length > 0 && (
          <SidebarGroup>
            <SidebarGroupLabel>Planning - Creazione</SidebarGroupLabel>
            <SidebarGroupContent>
              {renderMenuItems(filterItems(creationItems))}
            </SidebarGroupContent>
          </SidebarGroup>
        )}

        {/* Planning Operativo - Consultazione */}
        {filterItems(consultationItems).length > 0 && (
          <SidebarGroup>
            <SidebarGroupLabel>Planning - Consultazione</SidebarGroupLabel>
            <SidebarGroupContent>
              {renderMenuItems(filterItems(consultationItems))}
            </SidebarGroupContent>
          </SidebarGroup>
        )}

        {/* Viste Personali (Guard) */}
        {filterItems(personalItems).length > 0 && (
          <SidebarGroup>
            <SidebarGroupLabel>I Miei Turni</SidebarGroupLabel>
            <SidebarGroupContent>
              {renderMenuItems(filterItems(personalItems))}
            </SidebarGroupContent>
          </SidebarGroup>
        )}

        {/* Anagrafica */}
        {filterItems(registryItems).length > 0 && (
          <SidebarGroup>
            <SidebarGroupLabel>Anagrafica</SidebarGroupLabel>
            <SidebarGroupContent>
              {renderMenuItems(filterItems(registryItems))}
            </SidebarGroupContent>
          </SidebarGroup>
        )}

        {/* Report */}
        {filterItems(reportingItems).length > 0 && (
          <SidebarGroup>
            <SidebarGroupLabel>Reporting</SidebarGroupLabel>
            <SidebarGroupContent>
              {renderMenuItems(filterItems(reportingItems))}
            </SidebarGroupContent>
          </SidebarGroup>
        )}

        {/* Sistema */}
        {filterItems(systemItems).length > 0 && (
          <SidebarGroup>
            <SidebarGroupLabel>Sistema</SidebarGroupLabel>
            <SidebarGroupContent>
              {renderMenuItems(filterItems(systemItems))}
            </SidebarGroupContent>
          </SidebarGroup>
        )}
      </SidebarContent>

      <SidebarFooter className="p-4 border-t space-y-4">
        <div className="flex items-center justify-between gap-3">
          <div className="flex items-center gap-3 min-w-0">
            <Avatar className="h-8 w-8">
              <AvatarImage src={user?.profileImageUrl || undefined} />
              <AvatarFallback>
                {user?.firstName?.[0]}{user?.lastName?.[0]}
              </AvatarFallback>
            </Avatar>
            <div className="min-w-0">
              <p className="text-sm font-medium truncate">
                {user?.firstName} {user?.lastName}
              </p>
              <p className="text-xs text-muted-foreground capitalize">
                {user?.role}
              </p>
            </div>
          </div>
          <ThemeToggle />
        </div>
        
        <div className="flex gap-2">
          <Button
            variant="outline"
            size="sm"
            className="flex-1"
            onClick={() => window.location.href = '/api/logout'}
            data-testid="button-logout"
          >
            <LogOut className="h-4 w-4 mr-2" />
            Esci
          </Button>
        </div>
      </SidebarFooter>
    </Sidebar>
  );
}