import { Label, Listbox, ListboxButton, ListboxOption, ListboxOptions } from "@headlessui/react";
import { useEffect, useState } from "react";
import { useTheme } from "@/hooks/useTheme";
import clsx from "clsx";

const themes = [
  { name: "Clair", value: "light", icon: LightIcon },
  { name: "Sombre", value: "dark", icon: DarkIcon },
];

function LightIcon(props: React.ComponentPropsWithoutRef<"svg">) {
  return (
    <svg aria-hidden="true" viewBox="0 0 16 16" {...props}>
      <path
        fillRule="evenodd"
        clipRule="evenodd"
        d="M7 1a1 1 0 0 1 2 0v1a1 1 0 1 1-2 0V1Zm4 7a3 3 0 1 1-6 0 3 3 0 0 1 6 0Zm2.657-5.657a1 1 0 0 0-1.414 0l-.707.707a1 1 0 0 0 1.414 1.414l.707-.707a1 1 0 0 0 0-1.414Zm-1.415 11.313-.707-.707a1 1 0 0 1 1.415-1.415l.707.708a1 1 0 0 1-1.415 1.414ZM16 7.999a1 1 0 0 0-1-1h-1a1 1 0 1 0 0 2h1a1 1 0 0 0 1-1ZM7 14a1 1 0 1 1 2 0v1a1 1 0 1 1-2 0v-1Zm-2.536-2.464a1 1 0 0 0-1.414 0l-.707.707a1 1 0 0 0 1.414 1.414l.707-.707a1 1 0 0 0 0-1.414Zm0-8.486A1 1 0 0 1 3.05 4.464l-.707-.707a1 1 0 0 1 1.414-1.414l.707.707ZM3 8a1 1 0 0 0-1-1H1a1 1 0 0 0 0 2h1a1 1 0 0 0 1-1Z"
      />
    </svg>
  );
}

function DarkIcon(props: React.ComponentPropsWithoutRef<"svg">) {
  return (
    <svg aria-hidden="true" viewBox="0 0 16 16" {...props}>
      <path
        fillRule="evenodd"
        clipRule="evenodd"
        d="M7.23 3.333C7.757 2.905 7.68 2 7 2a6 6 0 1 0 0 12c.68 0 .758-.905.23-1.332A5.989 5.989 0 0 1 5 8c0-1.885.87-3.568 2.23-4.668ZM12 5a1 1 0 0 1 1 1 1 1 0 0 0 1 1 1 1 0 1 1 0 2 1 1 0 0 0-1 1 1 1 0 1 1-2 0 1 1 0 0 0-1-1 1 1 0 1 1 0-2 1 1 0 0 0 1-1 1 1 0 0 1 1-1Z"
      />
    </svg>
  );
}

export function ThemeSelector(props: React.ComponentPropsWithoutRef<typeof Listbox<"div">>) {
  let [mounted, setMounted] = useState(false);
  let { theme, setTheme } = useTheme();

  useEffect(() => {
    setMounted(true);
  }, []);

  if (!mounted) {
    return <div className="h-6 w-6" />;
  }

  return (
    <Listbox as="div" value={theme} onChange={setTheme} {...props}>
      <Label className="sr-only">Theme</Label>
      <ListboxButton
        className="flex h-6 w-6 items-center justify-center rounded-lg ring-1 shadow-md shadow-black/5 ring-black/5 dark:bg-slate-700 dark:ring-white/5 dark:ring-inset"
        aria-label="Theme"
      >
        <LightIcon className={clsx("h-4 w-4 dark:hidden", "fill-violet-400")} />
        <DarkIcon className={clsx("hidden h-4 w-4 dark:block", "fill-violet-400")} />
      </ListboxButton>
      <ListboxOptions className="absolute top-full left-1/2 mt-3 w-36 -translate-x-1/2 space-y-1 rounded-xl bg-white p-3 text-sm font-medium ring-1 shadow-md shadow-black/5 ring-black/5 dark:bg-slate-800 dark:ring-white/5">
        {themes.map((theme) => (
          <ListboxOption
            key={theme.value}
            value={theme.value}
            className={({ focus, selected }) =>
              clsx("flex cursor-pointer items-center rounded-[0.625rem] p-1 select-none", {
                "text-violet-500": selected,
                "text-slate-900 dark:text-white": focus && !selected,
                "text-slate-700 dark:text-slate-400": !focus && !selected,
                "bg-slate-100 dark:bg-slate-900/40": focus,
              })
            }
          >
            {({ selected }) => (
              <>
                <div className="rounded-md bg-white p-1 ring-1 shadow-sm ring-slate-900/5 dark:bg-slate-700 dark:ring-white/5 dark:ring-inset">
                  <theme.icon
                    className={clsx("h-4 w-4", selected ? "fill-violet-400 dark:fill-violet-400" : "fill-slate-400")}
                  />
                </div>
                <div className="ml-3">{theme.name}</div>
              </>
            )}
          </ListboxOption>
        ))}
      </ListboxOptions>
    </Listbox>
  );
}
