"use client"

import * as React from "react"

import {
    BadgeCheck,
    Bell,
    ChevronsUpDown,
    CreditCard,
    LogOut,
    Sparkles,
} from "lucide-react"

import {
    Avatar,
    AvatarFallback,
    AvatarImage,
} from "@/components/ui/avatar"
import {
    DropdownMenu,
    DropdownMenuContent,
    DropdownMenuGroup,
    DropdownMenuItem,
    DropdownMenuLabel,
    DropdownMenuSeparator,
    DropdownMenuTrigger,
} from "@/components/ui/dropdown-menu"
import {
    SidebarMenu,
    SidebarMenuButton,
    SidebarMenuItem,
    useSidebar,
} from "@/components/ui/sidebar"
import { useAuthActions } from "@convex-dev/auth/react"

export function NavUser({
    user,
}: {
    user: {
        name: string
        email: string
        avatar: string
    }
}) {
    const { isMobile } = useSidebar()
    const { signOut } = useAuthActions()
    const seed = React.useMemo(() => {
        const base = user.email || user.name || "";
        return base.trim() || "user";
    }, [user.email, user.name]);
    const avatarUrl = user.avatar || `https://api.dicebear.com/7.x/bottts/svg?seed=${encodeURIComponent(seed)}`;
    const fallbackText = React.useMemo(() => {
        const base = user.name || user.email || "";
        const trimmed = base.trim();
        if (!trimmed) return "";
        const parts = trimmed.split(/\s+/);
        if (parts.length === 1) return parts[0].slice(0, 2).toUpperCase();
        return `${parts[0][0]}${parts[parts.length - 1][0]}`.toUpperCase();
    }, [user.name, user.email])

    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={avatarUrl} alt={user.name} />
                                <AvatarFallback className="rounded-lg">{fallbackText}</AvatarFallback>
                            </Avatar>
                            <div className="grid flex-1 text-left text-sm leading-tight">
                                <span className="truncate font-semibold">{user.name}</span>
                                <span className="truncate text-xs">{user.email}</span>
                            </div>
                            <ChevronsUpDown className="ml-auto size-4" />
                        </SidebarMenuButton>
                    </DropdownMenuTrigger>
                    <DropdownMenuContent
                        className="w-[--radix-dropdown-menu-trigger-width] min-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-1 py-1.5 text-left text-sm">
                                <Avatar className="h-8 w-8 rounded-lg">
                                    <AvatarImage src={avatarUrl} alt={user.name} />
                                    <AvatarFallback className="rounded-lg">{fallbackText}</AvatarFallback>
                                </Avatar>
                                <div className="grid flex-1 text-left text-sm leading-tight">
                                    <span className="truncate font-semibold">{user.name}</span>
                                    <span className="truncate text-xs">{user.email}</span>
                                </div>
                            </div>
                        </DropdownMenuLabel>
                        <DropdownMenuSeparator />
                        <DropdownMenuGroup>
                            <DropdownMenuItem>
                                <Sparkles />
                                Upgrade to Pro
                            </DropdownMenuItem>
                        </DropdownMenuGroup>
                        <DropdownMenuSeparator />
                        <DropdownMenuGroup>
                            <DropdownMenuItem>
                                <BadgeCheck />
                                Account
                            </DropdownMenuItem>
                            <DropdownMenuItem>
                                <CreditCard />
                                Billing
                            </DropdownMenuItem>
                            <DropdownMenuItem>
                                <Bell />
                                Notifications
                            </DropdownMenuItem>
                        </DropdownMenuGroup>
                        <DropdownMenuSeparator />
                        <DropdownMenuItem onClick={() => signOut()}>
                            <LogOut />
                            Log out
                        </DropdownMenuItem>
                    </DropdownMenuContent>
                </DropdownMenu>
            </SidebarMenuItem>
        </SidebarMenu>
    )
}