// SPDX-FileCopyrightText: Chris Pressey, the creator of this work, has dedicated it to the public domain.
// For more information, please refer to <https://unlicense.org/>
// SPDX-License-Identifier: Unlicense

/* dam-download-image-button.js version 0.2-2025.12 */

(function() {
    function makeDownloadImageButton(config) {
        var button = DAM.maker('button');

        var canvas = config.canvas;
        var label = config.label || "Download Image";
        var basename = config.basename || "canvas";

        return button(label, {
            onclick: function() {
                const timestamp = new Date().toISOString().slice(0, 19).replace(/[T:]/g, '-');
                const filename = basename + "-" + timestamp + ".png";
          
                canvas.toBlob(function(blob) {
                    const url = URL.createObjectURL(blob);
                    const link = document.createElement('a');
                    link.download = filename;
                    link.href = url;
                    link.click();
                    URL.revokeObjectURL(url);
                }, 'image/png');
            }
        })
    }

    if (typeof module !== 'undefined') {
        module.exports = { makeDownloadImageButton: makeDownloadImageButton };
    } else if (typeof window !== 'undefined') {
        window.DAM = window.DAM || {};
        DAM.makeDownloadImageButton = makeDownloadImageButton;
    }
})();