"use client";

import { useEffect, useId, useRef, useState } from "react";
import Link from "next/link";
import { ChevronDown, Moon, Settings, Sun, UserRound } from "lucide-react";
import { useTheme } from "./ThemeProvider";
import { LogoutButton } from "./auth/LogoutButton";

export function AccountMenu({ name, email }: { name: string; email: string }) {
  const [open, setOpen] = useState(false);
  const root = useRef<HTMLDivElement>(null);
  const trigger = useRef<HTMLButtonElement>(null);
  const panelId = useId();
  const { theme, toggle } = useTheme();

  useEffect(() => {
    if (!open) return;
    const closeOutside = (event: Event) => {
      if (!root.current?.contains(event.target as Node)) setOpen(false);
    };
    const closeOnEscape = (event: KeyboardEvent) => {
      if (event.key === "Escape") {
        setOpen(false);
        trigger.current?.focus();
      }
    };
    document.addEventListener("pointerdown", closeOutside);
    document.addEventListener("focusin", closeOutside);
    document.addEventListener("keydown", closeOnEscape);
    return () => {
      document.removeEventListener("pointerdown", closeOutside);
      document.removeEventListener("focusin", closeOutside);
      document.removeEventListener("keydown", closeOnEscape);
    };
  }, [open]);

  const itemClass = "flex min-h-11 w-full items-center gap-3 rounded-lg px-3 text-sm text-text hover:bg-gray-100 focus-visible:outline-2 focus-visible:outline-[#30638E] dark:hover:bg-white/5";

  return <div ref={root} className="relative">
    <button ref={trigger} type="button" aria-label="Account and settings" title="Account and settings" aria-expanded={open} aria-controls={panelId}
      onClick={() => setOpen(!open)}
      className="flex min-h-11 min-w-11 items-center justify-center gap-2 rounded-xl border border-border px-1.5 text-text transition hover:bg-gray-100 focus-visible:outline-2 focus-visible:outline-[#30638E] dark:hover:bg-white/5 md:px-3">
      <span className="grid h-8 w-8 shrink-0 place-items-center rounded-lg bg-[#30638E]/10 text-[#30638E] dark:text-indigo-ink"><UserRound className="h-4 w-4" /></span>
      <span className="hidden max-w-32 truncate text-sm font-medium md:block">{name || "Account"}</span>
      <ChevronDown className="hidden h-4 w-4 text-text-muted md:block" />
    </button>
    {open && <div id={panelId} className="absolute right-0 top-full mt-2 w-72 max-w-[calc(100vw-2rem)] rounded-xl border border-border bg-surface p-2 shadow-xl">
      <div className="border-b border-border px-3 pb-3 pt-2">
        <p className="break-words text-sm font-semibold text-text">{name || "Your account"}</p>
        <p className="mt-1 break-all text-xs text-text-muted">{email}</p>
      </div>
      <nav aria-label="Account options" className="mt-2">
        <Link href="/settings" className={itemClass} onClick={() => setOpen(false)}><Settings className="h-4 w-4" />Settings</Link>
        <button type="button" onClick={toggle} className={itemClass}>
          {theme === "dark" ? <Sun className="h-4 w-4" /> : <Moon className="h-4 w-4" />}
          {theme === "dark" ? "Switch to light mode" : "Switch to dark mode"}
        </button>
        <div className="mt-2 border-t border-border pt-2"><LogoutButton fullWidth /></div>
      </nav>
    </div>}
  </div>;
}