import type Konva from "konva";

import type { ExportImageFormat } from "@/lib/image-editor-types";

export function downloadStageImage(
  stage: Konva.Stage,
  format: ExportImageFormat,
  quality: number
): void {
  const mimeType =
    format === "png"
      ? "image/png"
      : format === "jpg"
        ? "image/jpeg"
        : "image/webp";

  const dataUrl = stage.toDataURL({
    pixelRatio: 2,
    mimeType,
    quality: format === "png" ? 1 : quality / 100,
  });

  const link = document.createElement("a");
  link.download = `design-${Date.now()}.${format}`;
  link.href = dataUrl;
  link.click();
}