"use client";

import {
  ArrowRight,
  BadgeCheck,
  BarChart3,
  Briefcase,
  ChevronRight,
  ChevronsUpDown,
  ClipboardList,
  Clock3,
  FileText,
  Folder,
  Globe2,
  HelpCircle,
  LayoutDashboard,
  LogOut,
  Settings,
  Sparkles,
  Star,
  User,
  Users,
} from "lucide-react";
import * as React from "react";

import { Avatar, AvatarFallback, AvatarImage } from "@/components/ui/avatar";
import {
  Breadcrumb,
  BreadcrumbItem,
  BreadcrumbLink,
  BreadcrumbList,
  BreadcrumbPage,
  BreadcrumbSeparator,
} from "@/components/ui/breadcrumb";
import {
  DropdownMenu,
  DropdownMenuContent,
  DropdownMenuItem,
  DropdownMenuLabel,
  DropdownMenuSeparator,
  DropdownMenuTrigger,
} from "@/components/ui/dropdown-menu";
import { Separator } from "@/components/ui/separator";
import {
  Sidebar,
  SidebarContent,
  SidebarFooter,
  SidebarGroup,
  SidebarGroupContent,
  SidebarGroupLabel,
  SidebarHeader,
  SidebarInset,
  SidebarMenu,
  SidebarMenuButton,
  SidebarMenuItem,
  SidebarProvider,
  SidebarRail,
  SidebarTrigger,
} from "@/components/ui/sidebar";
import { cn } from "@/lib/utils";

// Base nav item - used by simple sidebars
type NavItem = {
  label: string;
  icon: React.ComponentType<React.SVGProps<SVGSVGElement>>;
  href: string;
  isActive?: boolean;
  // Optional children for submenus (Sidebar3+)
  children?: NavItem[];
};

// Nav group with optional collapsible state
type NavGroup = {
  title: string;
  items: NavItem[];
  // Optional: default collapsed state (Sidebar2+)
  defaultOpen?: boolean;
};

// User data for footer (Sidebar6+)
type UserData = {
  name: string;
  email: string;
  avatar: string;
};

// Complete sidebar data structure
type SidebarData = {
  // Logo/branding (all sidebars)
  logo: {
    src: string;
    alt: string;
    title: string;
    description: string;
  };
  // Main navigation groups (all sidebars)
  navGroups: NavGroup[];
  // Footer navigation group (all sidebars)
  footerGroup: NavGroup;
  // User data for user footer (Sidebar6+)
  user?: UserData;
  // Workspaces for switcher (Sidebar7+)
  workspaces?: Array<{
    id: string;
    name: string;
    logo: string;
    plan: string;
  }>;
  // Currently active workspace (Sidebar7+)
  activeWorkspace?: string;
};

// Shared sidebar data - works with all sidebar variations
const sidebarData: SidebarData = {
  logo: {
    src: "/block-media/shadcnblocks/block/logos/ShadcnBlocks-logo.svg",
    alt: "وندوک",
    title: "وندوک",
    description: "CRM فروش B2B",
  },
  navGroups: [
    {
      title: "نمای کلی",
      defaultOpen: true,
      items: [
        {
          label: "داشبورد",
          icon: LayoutDashboard,
          href: "#",
          isActive: true,
        },
        { label: "فعالیت‌ها", icon: ClipboardList, href: "#" },
        { label: "قیف فروش", icon: BarChart3, href: "#" },
      ],
    },
    {
      title: "حساب‌ها",
      defaultOpen: true,
      items: [
        {
          label: "حساب‌های فعال",
          icon: Briefcase,
          href: "#",
          children: [
            { label: "حساب آریا تک", icon: FileText, href: "#" },
            { label: "حساب نوآوران", icon: FileText, href: "#" },
            { label: "حساب سپهر", icon: FileText, href: "#" },
          ],
        },
        {
          label: "بایگانی",
          icon: Folder,
          href: "#",
          children: [
            { label: "بایگانی ۱۴۰۳", icon: FileText, href: "#" },
            { label: "بایگانی ۱۴۰۲", icon: FileText, href: "#" },
          ],
        },
      ],
    },
    {
      title: "تیم فروش",
      defaultOpen: false,
      items: [
        { label: "نمایندگان", icon: Users, href: "#" },
        { label: "اهداف فصلی", icon: Clock3, href: "#" },
        { label: "تأییدها", icon: BadgeCheck, href: "#" },
        { label: "بازبینی معاملات", icon: Star, href: "#" },
      ],
    },
    {
      title: "فضای کار",
      defaultOpen: false,
      items: [
        { label: "یکپارچه‌سازی‌ها", icon: Globe2, href: "#" },
        { label: "اتوماسیون‌ها", icon: Sparkles, href: "#" },
      ],
    },
  ],
  footerGroup: {
    title: "پشتیبانی",
    items: [
      { label: "مرکز راهنما", icon: HelpCircle, href: "#" },
      { label: "تنظیمات", icon: Settings, href: "#" },
    ],
  },
  user: {
    name: "علی رضایی",
    email: "ali@example.com",
    avatar:
      "/block-media/shadcnblocks/block/avatar-5.webp",
  },
  workspaces: [
    {
      id: "1",
      name: "ShadcnBlocks",
      logo: "/block-media/shadcnblocks/block/logos/ShadcnBlocks-logo.svg",
      plan: "سازمانی",
    },
    {
      id: "2",
      name: "قالب‌های وندوک",
      logo: "/block-media/shadcnblocks/block/logos/ShadcnBlocks-logo.svg",
      plan: "تیم فروش در حال رشد",
    },
    {
      id: "3",
      name: "ماژول‌های وندوک",
      logo: "/block-media/shadcnblocks/block/logos/ShadcnBlocks-logo.svg",
      plan: "آزمایشی",
    },
  ],
  activeWorkspace: "1",
};

const SidebarLogo = ({ logo }: { logo: SidebarData["logo"] }) => {
  return (
    <SidebarMenu>
      <SidebarMenuItem>
        <SidebarMenuButton size="lg">
          <div className="flex aspect-square size-8 items-center justify-center rounded-sm bg-primary">
            <img
              src={logo.src}
              alt={logo.alt}
              className="size-6 text-primary-foreground invert dark:invert-0"
            />
          </div>
          <div className="flex flex-col gap-0.5 leading-none">
            <span className="font-medium">{logo.title}</span>
            <span className="text-xs text-muted-foreground">
              {logo.description}
            </span>
          </div>
        </SidebarMenuButton>
      </SidebarMenuItem>
    </SidebarMenu>
  );
};

const NavUser = ({ user }: { user: UserData }) => {
  return (
    <SidebarMenu>
      <SidebarMenuItem>
        <DropdownMenu>
          <DropdownMenuTrigger asChild>
            <SidebarMenuButton
              size="lg"
              className="data-[state=open]:bg-sidebar-accent data-[state=open]:text-sidebar-accent-foreground"
            >
              <Avatar className="size-8 rounded-lg">
                <AvatarImage src={user.avatar} alt={user.name} />
                <AvatarFallback className="rounded-lg">
                  {user.name
                    .split(" ")
                    .map((n) => n[0])
                    .join("")}
                </AvatarFallback>
              </Avatar>
              <div className="grid flex-1 text-start text-sm leading-tight">
                <span className="truncate font-medium">{user.name}</span>
                <span className="truncate text-xs text-muted-foreground">
                  {user.email}
                </span>
              </div>
              <ChevronsUpDown className="ms-auto size-4" />
            </SidebarMenuButton>
          </DropdownMenuTrigger>
          <DropdownMenuContent
            className="w-(--radix-dropdown-menu-trigger-width) min-w-56 rounded-lg"
            side="bottom"
            align="start"
            sideOffset={4}
          >
            <DropdownMenuLabel className="p-0 font-normal">
              <div className="flex items-center gap-2 px-1 py-1.5 text-start text-sm">
                <Avatar className="size-8 rounded-lg">
                  <AvatarImage src={user.avatar} alt={user.name} />
                  <AvatarFallback className="rounded-lg">
                    {user.name
                      .split(" ")
                      .map((n) => n[0])
                      .join("")}
                  </AvatarFallback>
                </Avatar>
                <div className="grid flex-1 text-start text-sm leading-tight">
                  <span className="truncate font-medium">{user.name}</span>
                  <span className="truncate text-xs text-muted-foreground">
                    {user.email}
                  </span>
                </div>
              </div>
            </DropdownMenuLabel>
            <DropdownMenuSeparator />
            <DropdownMenuItem>
              <User className="me-2 size-4" />
              حساب کاربری
            </DropdownMenuItem>
            <DropdownMenuSeparator />
            <DropdownMenuItem>
              <LogOut className="me-2 size-4" />
              خروج
            </DropdownMenuItem>
          </DropdownMenuContent>
        </DropdownMenu>
      </SidebarMenuItem>
    </SidebarMenu>
  );
};

const AppSidebar = ({ ...props }: React.ComponentProps<typeof Sidebar>) => {
  const [activeItem, setActiveItem] = React.useState<NavItem | null>(null);

  // Get all items with children for drill-down
  const drillableItems = sidebarData.navGroups.flatMap((group) =>
    group.items.filter((item) => item.children && item.children.length > 0),
  );

  const handleItemClick = (item: NavItem) => {
    if (item.children && item.children.length > 0) {
      setActiveItem(item);
    }
  };

  const handleBackToMain = () => {
    setActiveItem(null);
  };

  // Main view - show all nav groups
  if (!activeItem) {
    return (
      <Sidebar side="right" {...props}>
        <SidebarHeader>
          <SidebarLogo logo={sidebarData.logo} />
        </SidebarHeader>
        <SidebarContent>
          {sidebarData.navGroups.map((group) => (
            <SidebarGroup key={group.title}>
              <SidebarGroupLabel>{group.title}</SidebarGroupLabel>
              <SidebarGroupContent>
                <SidebarMenu>
                  {group.items.map((item) => {
                    const Icon = item.icon;
                    const hasChildren =
                      item.children && item.children.length > 0;

                    return (
                      <SidebarMenuItem key={item.label}>
                        {hasChildren ? (
                          <SidebarMenuButton
                            isActive={item.isActive}
                            onClick={() => handleItemClick(item)}
                          >
                            <Icon className="size-4" />
                            <span>{item.label}</span>
                            <ChevronRight className="ms-auto size-4" />
                          </SidebarMenuButton>
                        ) : (
                          <SidebarMenuButton asChild isActive={item.isActive}>
                            <a href={item.href}>
                              <Icon className="size-4" />
                              <span>{item.label}</span>
                            </a>
                          </SidebarMenuButton>
                        )}
                      </SidebarMenuItem>
                    );
                  })}
                </SidebarMenu>
              </SidebarGroupContent>
            </SidebarGroup>
          ))}
        </SidebarContent>
        <SidebarFooter>
          {sidebarData.user && <NavUser user={sidebarData.user} />}
        </SidebarFooter>
        <SidebarRail />
      </Sidebar>
    );
  }

  // Drill-down view - show sub-items
  const Icon = activeItem.icon;

  return (
    <Sidebar side="right" {...props}>
      <SidebarHeader className="border-b">
        <div className="flex items-center gap-2 px-2 py-1">
          <button
            type="button"
            onClick={handleBackToMain}
            aria-label="بازگشت"
            className="flex size-8 items-center justify-center rounded-md hover:bg-sidebar-accent"
          >
            <ArrowRight className="size-4" />
          </button>
          <div className="flex flex-1 items-center gap-2">
            <Icon className="size-4" />
            <span className="font-medium">{activeItem.label}</span>
          </div>
        </div>
      </SidebarHeader>
      <SidebarContent>
        <SidebarGroup>
          <SidebarGroupContent>
            <SidebarMenu>
              {activeItem.children!.map((child) => {
                const ChildIcon = child.icon;
                return (
                  <SidebarMenuItem key={child.label}>
                    <SidebarMenuButton asChild isActive={child.isActive}>
                      <a href={child.href}>
                        <ChildIcon className="size-4" />
                        <span>{child.label}</span>
                      </a>
                    </SidebarMenuButton>
                  </SidebarMenuItem>
                );
              })}
            </SidebarMenu>
          </SidebarGroupContent>
        </SidebarGroup>
      </SidebarContent>
      <SidebarFooter>
        {sidebarData.user && <NavUser user={sidebarData.user} />}
      </SidebarFooter>
      <SidebarRail />
    </Sidebar>
  );
};

interface Sidebar21Props {
  className?: string;
}

const Sidebar21 = ({ className }: Sidebar21Props) => {
  return (
    <SidebarProvider dir="rtl" lang="fa" className={cn(className)}>
      <AppSidebar />
      <SidebarInset>
        <header className="flex h-16 shrink-0 items-center gap-2 border-b px-4">
          <SidebarTrigger className="-ms-1" />
          <Separator
            orientation="vertical"
            className="ms-2 data-[orientation=vertical]:h-4"
          />
          <Breadcrumb>
            <BreadcrumbList>
              <BreadcrumbItem className="hidden md:block">
                <BreadcrumbLink href="#">نمای کلی</BreadcrumbLink>
              </BreadcrumbItem>
              <BreadcrumbSeparator className="hidden md:block" />
              <BreadcrumbItem>
                <BreadcrumbPage>داشبورد</BreadcrumbPage>
              </BreadcrumbItem>
            </BreadcrumbList>
          </Breadcrumb>
        </header>
        <div className="flex flex-1 flex-col gap-4 p-4">
          <div className="min-h-[100vh] flex-1 rounded-xl bg-muted/50 md:min-h-min" />
        </div>
      </SidebarInset>
    </SidebarProvider>
  );
};

export { Sidebar21 };