ForFarm/frontend/components/google-map-with-drawing.tsx

"use client";

import { GoogleMap, LoadScript, DrawingManager } from "@react-google-maps/api";
import { useState, useCallback } from "react";

const containerStyle = {
  width: "100%",
  height: "500px",
};

const center = { lat: 13.7563, lng: 100.5018 }; // Example: Bangkok, Thailand

const GoogleMapWithDrawing = () => {
  const [map, setMap] = useState<google.maps.Map | null>(null);

  // Handles drawing complete
  const onDrawingComplete = useCallback((overlay: google.maps.drawing.OverlayCompleteEvent) => {
    console.log("Drawing complete:", overlay);
  }, []);

  return (
    <LoadScript googleMapsApiKey={process.env.NEXT_PUBLIC_GOOGLE_MAPS_API_KEY!} libraries={["drawing"]}>
      <GoogleMap mapContainerStyle={containerStyle} center={center} zoom={10} onLoad={(map) => setMap(map)}>
        {map && (
          <DrawingManager
            onOverlayComplete={onDrawingComplete}
            options={{
              drawingControl: true,
              drawingControlOptions: {
                position: google.maps.ControlPosition.TOP_CENTER,
                drawingModes: [
                  google.maps.drawing.OverlayType.POLYGON,
                  google.maps.drawing.OverlayType.RECTANGLE,
                  google.maps.drawing.OverlayType.CIRCLE,
                  google.maps.drawing.OverlayType.POLYLINE,
                ],
              },
              polygonOptions: {
                fillColor: "#FF0000",
                fillOpacity: 0.5,
                strokeWeight: 2,
              },
              rectangleOptions: {
                fillColor: "#00FF00",
                fillOpacity: 0.5,
                strokeWeight: 2,
              },
            }}
          />
        )}
      </GoogleMap>
    </LoadScript>
  );
};

export default GoogleMapWithDrawing;