import {

  BarChart3,

  Bot,

  History,

  Inbox,

  LayoutDashboard,

  LogOut,

  Moon,

  Plus,

  Settings,

  Sun,

} from 'lucide-react';

import {

  Avatar,

  AvatarFallback,

  AvatarImage,

} from '@/components/ui/avatar';

import {

  DropdownMenu,

  DropdownMenuContent,

  DropdownMenuItem,

  DropdownMenuSeparator,

  DropdownMenuTrigger,

} from '@/components/ui/dropdown-menu';

import {

  Sidebar,

  SidebarContent,

  SidebarFooter,

  SidebarGroup,

  SidebarGroupContent,

  SidebarHeader,

  SidebarMenu,

  SidebarMenuBadge,

  SidebarMenuButton,

  SidebarMenuItem,

  SidebarRail,

  SidebarSeparator,

  useSidebar,

} from '@/components/ui/sidebar';

import { pageMeta, primaryNav, type Page } from '@/lib/navigation';

import { initials } from '@/lib/utils';

const navIcons = {

  dashboard: LayoutDashboard,

  history: History,

  conversations: Inbox,

  agents: Bot,

  insights: BarChart3,

  connect: Plus,

  settings: Settings,

} as const;

export type ShellUser = {

  name?: string;

  email?: string;

  picture?: string;

};

export type NavBadges = {

  dashboard: number;

  conversations: number;

  connect: number;

};

export function AppSidebar({

  page,

  navigate,

  user,

  theme,

  onToggleTheme,

  onSignOut,

  badges,

}: {

  page: Page;

  navigate: (page: Page) => void;

  user: ShellUser;

  theme: 'dark' | 'light';

  onToggleTheme: () => void;

  onSignOut: () => void;

  badges: NavBadges;

}) {

  const { setOpenMobile } = useSidebar();

  const go = (next: Page) => {

    navigate(next);

    setOpenMobile(false);

  };

  const name = user.name || 'OpenClasp user';

  const email = user.email || 'Signed in';

  return (

    <Sidebar collapsible="icon">

      <SidebarHeader>

        <SidebarMenu>

          <SidebarMenuItem>

            <SidebarMenuButton

              size="lg"

              tooltip="OpenClasp"

              onClick={() => go('dashboard')}

            >

              <span className="mark">OC</span>

              <span className="grid min-w-0 text-left leading-tight">

                <span className="truncate font-semibold">OpenClasp</span>

                <span className="truncate text-[11px] text-muted-foreground">

                  Messages stay off-network

                </span>

              </span>

            </SidebarMenuButton>

          </SidebarMenuItem>

        </SidebarMenu>

      </SidebarHeader>

      <SidebarContent>

        <SidebarGroup>

          <SidebarGroupContent>

            <SidebarMenu>

              {primaryNav.map((item) => {

                const Icon = navIcons[item];

                const count = item in badges ? badges[item as keyof NavBadges] : 0;

                return (

                  <SidebarMenuItem key={item}>

                    <SidebarMenuButton

                      isActive={page === item}

                      tooltip={pageMeta[item].label}

                      onClick={() => go(item)}

                      className="data-[active=true]:bg-sidebar-primary data-[active=true]:text-sidebar-primary-foreground data-[active=true]:hover:bg-sidebar-primary data-[active=true]:hover:text-sidebar-primary-foreground"

                    >

                      <Icon />

                      <span>{pageMeta[item].label}</span>

                    </SidebarMenuButton>

                    {count > 0 ? (

                      <SidebarMenuBadge className="bg-sidebar-primary text-sidebar-primary-foreground peer-data-[active=true]/menu-button:bg-white peer-data-[active=true]/menu-button:text-sidebar-primary">

                        {count}

                      </SidebarMenuBadge>

                    ) : null}

                  </SidebarMenuItem>

                );

              })}

            </SidebarMenu>

          </SidebarGroupContent>

        </SidebarGroup>

        <SidebarSeparator />

        <SidebarGroup>

          <SidebarGroupContent>

            <SidebarMenu>

              <SidebarMenuItem>

                <SidebarMenuButton

                  isActive={page === 'settings'}

                  tooltip="Settings"

                  onClick={() => go('settings')}

                  className="data-[active=true]:bg-sidebar-primary data-[active=true]:text-sidebar-primary-foreground data-[active=true]:hover:bg-sidebar-primary data-[active=true]:hover:text-sidebar-primary-foreground"

                >

                  <Settings />

                  <span>Settings</span>

                </SidebarMenuButton>

              </SidebarMenuItem>

            </SidebarMenu>

          </SidebarGroupContent>

        </SidebarGroup>

      </SidebarContent>

      <SidebarFooter>

        <SidebarMenu>

          <SidebarMenuItem>

            <DropdownMenu>

              <DropdownMenuTrigger asChild>

                <SidebarMenuButton

                  size="lg"

                  className="data-[state=open]:bg-sidebar-accent"

                >

                  <Avatar size="sm" className="rounded-lg">

                    {user.picture ? <AvatarImage src={user.picture} alt="" /> : null}

                    <AvatarFallback className="rounded-lg bg-primary text-[10px] font-semibold text-primary-foreground">

                      {initials(name)}

                    </AvatarFallback>

                  </Avatar>

                  <span className="grid min-w-0 flex-1 text-left text-sm leading-tight">

                    <span className="truncate font-medium">{name}</span>

                    <span className="truncate text-[11px] text-muted-foreground">{email}</span>

                  </span>

                </SidebarMenuButton>

              </DropdownMenuTrigger>

              <DropdownMenuContent

                className="min-w-56"

                side="top"

                align="start"

                sideOffset={6}

              >

                <DropdownMenuItem onClick={onToggleTheme}>

                  {theme === 'dark' ? <Sun /> : <Moon />}

                  {theme === 'dark' ? 'Light theme' : 'Dark theme'}

                </DropdownMenuItem>

                <DropdownMenuItem onClick={() => go('settings')}>

                  <Settings />

                  Settings

                </DropdownMenuItem>

                <DropdownMenuSeparator />

                <DropdownMenuItem variant="destructive" onClick={onSignOut}>

                  <LogOut />

                  Sign out

                </DropdownMenuItem>

              </DropdownMenuContent>

            </DropdownMenu>

          </SidebarMenuItem>

        </SidebarMenu>

      </SidebarFooter>

      <SidebarRail />

    </Sidebar>

  );

}