'use client';

import Link from 'next/link';

import {
  CreditCard,
  Github,
  Key,
  LogOut,
  User as LucideUser,
  Monitor,
  Moon,
  Sun,
  UserCog,
} from 'lucide-react';
import { signOut } from 'next-auth/react';
import { useTheme } from 'next-themes';

import { isAdmin } from '@documenso/lib/';
import { User } from '@documenso/prisma/client';
import { Avatar, AvatarFallback } from '@documenso/ui/primitives/avatar';
import { Button } from '@documenso/ui/primitives/button';
import {
  DropdownMenu,
  DropdownMenuContent,
  DropdownMenuItem,
  DropdownMenuLabel,
  DropdownMenuSeparator,
  DropdownMenuTrigger,
} from '@documenso/ui/primitives/dropdown-menu';

import { useFeatureFlags } from '~/providers/feature-flag';

export type ProfileDropdownProps = {
  user: User;
};

export const ProfileDropdown = ({ user }: ProfileDropdownProps) => {
  const { theme, setTheme } = useTheme();
  const { getFlag } = useFeatureFlags();
  const isUserAdmin = isAdmin(user);

  const isBillingEnabled = getFlag('app_billing');

  const initials =
    user.name
      ?.split(' ')
      .map((name: string) => name.slice(0, 1).toUpperCase())
      .slice(0, 2)
      .join('') ?? 'UK';

  return (
    <DropdownMenu>
      <DropdownMenuTrigger asChild>
        <Button variant="ghost" className="relative h-10 w-10 rounded-full">
          <Avatar className="h-10 w-10">
            <AvatarFallback>{initials}</AvatarFallback>
          </Avatar>
        </Button>
      </DropdownMenuTrigger>

      <DropdownMenuContent className="w-56" align="end" forceMount>
        <DropdownMenuLabel>Account</DropdownMenuLabel>

        <DropdownMenuItem asChild>
          <Link href="/settings/profile" className="cursor-pointer">
            <LucideUser className="mr-2 h-4 w-4" />
            Profile
          </Link>
        </DropdownMenuItem>

        {isUserAdmin && (
          <DropdownMenuItem asChild>
            <Link href="/admin" className="cursor-pointer">
              <UserCog className="mr-2 h-4 w-4" />
              Admin
            </Link>
          </DropdownMenuItem>
        )}

        <DropdownMenuItem asChild>
          <Link href="/settings/password" className="cursor-pointer">
            <Key className="mr-2 h-4 w-4" />
            Password
          </Link>
        </DropdownMenuItem>

        {isBillingEnabled && (
          <DropdownMenuItem asChild>
            <Link href="/settings/billing" className="cursor-pointer">
              <CreditCard className="mr-2 h-4 w-4" />
              Billing
            </Link>
          </DropdownMenuItem>
        )}

        <DropdownMenuSeparator />

        {theme === 'light' ? null : (
          <DropdownMenuItem onClick={() => setTheme('light')}>
            <Sun className="mr-2 h-4 w-4" />
            Light Mode
          </DropdownMenuItem>
        )}
        {theme === 'dark' ? null : (
          <DropdownMenuItem onClick={() => setTheme('dark')}>
            <Moon className="mr-2 h-4 w-4" />
            Dark Mode
          </DropdownMenuItem>
        )}

        {theme === 'system' ? null : (
          <DropdownMenuItem onClick={() => setTheme('system')}>
            <Monitor className="mr-2 h-4 w-4" />
            System Theme
          </DropdownMenuItem>
        )}

        <DropdownMenuSeparator />

        <DropdownMenuItem asChild>
          <Link href="https://github.com/documenso/documenso" className="cursor-pointer">
            <Github className="mr-2 h-4 w-4" />
            Star on Github
          </Link>
        </DropdownMenuItem>

        <DropdownMenuSeparator />

        <DropdownMenuItem
          onSelect={() =>
            void signOut({
              callbackUrl: '/',
            })
          }
        >
          <LogOut className="mr-2 h-4 w-4" />
          Sign Out
        </DropdownMenuItem>
      </DropdownMenuContent>
    </DropdownMenu>
  );
};