import { memo } from "react";

interface ProgressBarProps {
  progress: number;
  onSeek: (ratio: number) => void;
}

export const ProgressBar = memo(function ProgressBar({
  progress,
  onSeek,
}: ProgressBarProps) {
  const seekFromClientX = (clientX: number, element: HTMLElement): void => {
    const rect = element.getBoundingClientRect();
    if (rect.width <= 0) return;
    onSeek((clientX - rect.left) / rect.width);
  };

  return (
    <div
      className="relative h-1.5 rounded-full bg-white/25 overflow-hidden cursor-pointer touch-none"
      onClick={(e) => {
        seekFromClientX(e.clientX, e.currentTarget as HTMLElement);
      }}
      onPointerDown={(e) => {
        if (e.pointerType === "mouse" && e.button !== 0) return;
        e.currentTarget.setPointerCapture(e.pointerId);
        seekFromClientX(e.clientX, e.currentTarget);
      }}
      onPointerMove={(e) => {
        if (!e.currentTarget.hasPointerCapture(e.pointerId)) return;
        seekFromClientX(e.clientX, e.currentTarget);
      }}
      onPointerUp={(e) => {
        if (e.currentTarget.hasPointerCapture(e.pointerId)) {
          e.currentTarget.releasePointerCapture(e.pointerId);
        }
      }}
      onPointerCancel={(e) => {
        if (e.currentTarget.hasPointerCapture(e.pointerId)) {
          e.currentTarget.releasePointerCapture(e.pointerId);
        }
      }}
    >
      <div
        className="origin-left h-full bg-white will-change-transform"
        style={{ transform: `scaleX(${progress || 0})` }}
      />
    </div>
  );
});