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"use client"; import { useEffect, useState, useRef } from "react"; const A4_WIDTH_MM = 210; // A4 width in mm const A4_HEIGHT_MM = 297; // A4 height in mm const Preview = ({ data }: { data: any }) => { const [scale, setScale] = useState(1); const containerRef = useRef<HTMLDivElement>(null); // Ref for the resume-preview container useEffect(() => { const calculateA4DimensionsInPixels = () => { // Calculate the screen's DPI (dots per inch) const dpi = window.devicePixelRatio * 96; // 96 is the standard DPI for most screens const mmToInch = 25.4; // 1 inch = 25.4 mm // Convert A4 dimensions from mm to pixels const A4_WIDTH_PX = (A4_WIDTH_MM / mmToInch) * dpi; const A4_HEIGHT_PX = (A4_HEIGHT_MM / mmToInch) * dpi; return { A4_WIDTH_PX, A4_HEIGHT_PX }; }; const handleResize = () => { if (!containerRef.current) return; // Ensure the ref is available const { A4_WIDTH_PX, A4_HEIGHT_PX } = calculateA4DimensionsInPixels(); // Get the dimensions of the resume-preview container const containerWidth = containerRef.current.offsetWidth; const containerHeight = containerRef.current.offsetHeight; // Calculate the scale based on the container dimensions const scaleWidth = containerWidth / A4_WIDTH_PX; const scaleHeight = containerHeight / A4_HEIGHT_PX; const calculatedScale = Math.min(scaleWidth, scaleHeight); // Update the scale state setScale(calculatedScale); }; // Attach the resize event listener window.addEventListener("resize", handleResize); // Use ResizeObserver to track changes in the container's dimensions const resizeObserver = new ResizeObserver(handleResize); if (containerRef.current) { resizeObserver.observe(containerRef.current); } // Initial calculation handleResize(); // Cleanup return () => { window.removeEventListener("resize", handleResize); resizeObserver.disconnect(); }; }, []); return ( <div id="pdf-preview" ref={containerRef} // Attach the ref to the resume-preview container className={`max-w-[${A4_WIDTH_MM}mm] max-h-[${A4_HEIGHT_MM}mm] h-full w-full overflow-hidden bg-white`} // Make the container responsive > <div id="preview" style={{ transform: `scale(${scale})`, transformOrigin: "left top", }} > <PdfPreview /> </div> </div> ); }; export const Body = () => { const data = useResumeStore((state) => state.data); if (!data) return null; return ( <div className="flex h-full flex-col items-center justify-center bg-slate-200" > <Preview data={data} /> </div> ); };

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