let PSD = require('psd');



let args = process.argv.splice(2);

let filename = args[0];
let imagePath = args[1];

let psd = PSD.fromFile(filename);
psd.parse();

//let tree = psd.tree().children()[5].saveAsPng('./output.png');

let document = psd.tree().export().document;
let psdInfo = {};
psdInfo['width'] = document.width;
psdInfo['height'] = document.height;

let layers = [];

function psdDump(tree) {
    for (let idx in tree) {
        let layer = tree[idx];
        if (layer.type == 'group') {
            psdDump(layer.children())
        }
        let info = layer.export();
        let layerInfo = {};
        layerInfo['name'] = info.name;
        layerInfo['visible'] = info.visible;
        layerInfo['opacity'] = info.opacity;
        layerInfo['left'] = info.left;
        layerInfo['top'] = info.top;
        layerInfo['width'] = info.width;
        layerInfo['height'] = info.height;
        if (layer.export().text) {
            layerInfo['text'] = info.text.value;
            layerInfo['font'] = info.text.font;
            layerInfo['type'] = 'text';
        } else {
            let imgName = layer.name.replace('\\', '_').replace('/', '_');
            let src = imagePath + '/' + imgName + '_'+ idx + '.png';
            layer.saveAsPng(src).catch(e => {});
            layerInfo['image'] = src;
            layerInfo['type'] = 'image';
        }
        layers.push(layerInfo);
    }
}

psdDump(psd.tree().children());
psdInfo['layers'] = layers;
console.log(JSON.stringify(psdInfo));