import React, { useState } from "react";

function Section({ title, children }: { title: string; children: React.ReactNode }) {
  return (
    <div className="mb-8">
      <h3 className="text-sm font-bold text-[var(--flux-heading)] mb-3">{title}</h3>
      <div className="p-6 rounded border border-[var(--flux-grey-100)] bg-[var(--flux-surface)]">
        {children}
      </div>
    </div>
  );
}

type Position = "top" | "right" | "bottom" | "left";

const positionClasses: Record<Position, string> = {
  top: "bottom-full left-1/2 -translate-x-1/2 mb-2",
  right: "left-full top-1/2 -translate-y-1/2 ml-2",
  bottom: "top-full left-1/2 -translate-x-1/2 mt-2",
  left: "right-full top-1/2 -translate-y-1/2 mr-2",
};

const arrowClasses: Record<Position, string> = {
  top: "top-full left-1/2 -translate-x-1/2 border-t-[var(--flux-primary-800)] border-x-transparent border-b-transparent",
  right: "right-full top-1/2 -translate-y-1/2 border-r-[var(--flux-primary-800)] border-y-transparent border-l-transparent",
  bottom: "bottom-full left-1/2 -translate-x-1/2 border-b-[var(--flux-primary-800)] border-x-transparent border-t-transparent",
  left: "left-full top-1/2 -translate-y-1/2 border-l-[var(--flux-primary-800)] border-y-transparent border-r-transparent",
};

function TooltipButton({
  label,
  position,
  tooltipText,
}: {
  label: string;
  position: Position;
  tooltipText: string;
}) {
  const [visible, setVisible] = useState(false);

  return (
    <div className="relative inline-flex">
      <button
        onMouseEnter={() => setVisible(true)}
        onMouseLeave={() => setVisible(false)}
        className="px-4 py-2 text-sm font-bold rounded border border-[var(--flux-grey-200)] text-[var(--flux-black)] hover:bg-[var(--flux-grey-100)] transition-colors"
      >
        {label}
      </button>
      {visible && (
        <div
          className={`absolute ${positionClasses[position]} bg-[var(--flux-primary-800)] text-white text-xs px-2.5 py-1.5 rounded shadow-lg whitespace-nowrap z-10`}
        >
          {tooltipText}
          <span
            className={`absolute ${arrowClasses[position]} border-4 w-0 h-0`}
          />
        </div>
      )}
    </div>
  );
}

export default function TooltipDemo() {
  return (
    <div>
      <Section title="Positions">
        <div className="flex items-center justify-center gap-6 py-8">
          <TooltipButton label="Top" position="top" tooltipText="Tooltip on top" />
          <TooltipButton label="Right" position="right" tooltipText="Tooltip on right" />
          <TooltipButton label="Bottom" position="bottom" tooltipText="Tooltip on bottom" />
          <TooltipButton label="Left" position="left" tooltipText="Tooltip on left" />
        </div>
      </Section>
    </div>
  );
}