"use client";

import { Building2, Check, LogOut, Plus, Sparkles } from "lucide-react";

import { Avatar, AvatarFallback, AvatarImage } from "@/components/ui/avatar";
import {
  DropdownMenu,
  DropdownMenuContent,
  DropdownMenuItem,
  DropdownMenuLabel,
  DropdownMenuSeparator,
  DropdownMenuTrigger,
} from "@/components/ui/dropdown-menu";
import {
  SidebarMenu,
  SidebarMenuButton,
  SidebarMenuItem,
  useSidebar,
} from "@/components/ui/sidebar";
import { useAuth } from "@/components/auth/auth-provider";
import type { Workspace } from "@/lib/types/api";
import { DEMO_WORKSPACE_ID } from "@/lib/demo";

export function NavUser({
  user,
  workspaceSwitcher,
}: {
  user: {
    name: string;
    email: string;
    avatar: string;
  };
  workspaceSwitcher?: {
    workspaces: Workspace[];
    currentWorkspaceId?: string;
    onSelect: (workspace: Workspace) => void;
    onCreate?: () => void;
  };
}) {
  const { isMobile } = useSidebar();
  const { logout } = useAuth();

  const handleLogout = () => {
    logout();
  };

  const getInitials = (name: string) => {
    return name
      .split(" ")
      .map((n) => n[0])
      .join("")
      .toUpperCase()
      .slice(0, 2);
  };

  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="h-8 w-8 rounded-lg">
                <AvatarImage src={user.avatar} alt={user.name} />
                <AvatarFallback className="rounded-lg">
                  {getInitials(user.name)}
                </AvatarFallback>
              </Avatar>
              <div className="grid flex-1 text-left text-sm leading-tight">
                <span className="truncate font-medium">{user.name}</span>
                <span className="text-muted-foreground truncate text-xs">
                  {user.email}
                </span>
              </div>
            </SidebarMenuButton>
          </DropdownMenuTrigger>
          <DropdownMenuContent
            className="w-56 rounded-lg"
            side={isMobile ? "bottom" : "right"}
            align="end"
            sideOffset={4}
          >
            <DropdownMenuLabel className="p-0 font-normal">
              <div className="flex items-center gap-2 px-2 py-1.5 text-left text-sm">
                <Avatar className="h-8 w-8 rounded-lg">
                  <AvatarImage src={user.avatar} alt={user.name} />
                  <AvatarFallback className="rounded-lg">
                    {getInitials(user.name)}
                  </AvatarFallback>
                </Avatar>
                <div className="grid flex-1 text-left text-sm leading-tight">
                  <span className="truncate font-medium">{user.name}</span>
                  <span className="text-muted-foreground truncate text-xs">
                    {user.email}
                  </span>
                </div>
              </div>
            </DropdownMenuLabel>
            {workspaceSwitcher && (
              <>
                <DropdownMenuSeparator />
                <DropdownMenuLabel className="text-xs text-muted-foreground">
                  Воркспейсы
                </DropdownMenuLabel>
                {workspaceSwitcher.workspaces.length > 0 ? (
                  workspaceSwitcher.workspaces.map((workspace) => {
                    const isDemo = workspace.id === DEMO_WORKSPACE_ID;
                    return (
                      <DropdownMenuItem
                        key={workspace.id}
                        onClick={() => workspaceSwitcher.onSelect(workspace)}
                        className="gap-2 p-2 text-sm"
                      >
                        <div className="flex size-6 items-center justify-center rounded-sm border">
                          {isDemo ? (
                            <Sparkles className="size-4 shrink-0 text-purple-500" />
                          ) : (
                            <Building2 className="size-4 shrink-0" />
                          )}
                        </div>
                        <span className="flex-1 truncate">
                          {workspace.name}
                          {isDemo && (
                            <span className="ml-2 text-xs text-muted-foreground">
                              (Демо)
                            </span>
                          )}
                        </span>
                        {workspaceSwitcher.currentWorkspaceId === workspace.id && (
                          <Check className="size-4 ml-auto" />
                        )}
                      </DropdownMenuItem>
                    );
                  })
                ) : (
                  <div className="px-2 py-1.5 text-sm text-muted-foreground">
                    Нет доступных воркспейсов
                  </div>
                )}
                {workspaceSwitcher.onCreate && (
                  <>
                    <DropdownMenuSeparator />
                    <DropdownMenuItem
                      onClick={workspaceSwitcher.onCreate}
                      className="gap-2 p-2"
                    >
                      <div className="flex size-6 items-center justify-center rounded-md border bg-background">
                        <Plus className="size-4" />
                      </div>
                      <span className="text-muted-foreground">
                        Создать воркспейс
                      </span>
                    </DropdownMenuItem>
                  </>
                )}
              </>
            )}
            <DropdownMenuSeparator />
            <DropdownMenuItem onClick={handleLogout}>
              <LogOut className="mr-2 h-4 w-4" />
              Выйти
            </DropdownMenuItem>
          </DropdownMenuContent>
        </DropdownMenu>
      </SidebarMenuItem>
    </SidebarMenu>
  );
}
