function OnInit(initData) {
    initData.name = 'CopyMeta';
    initData.version = '2022-09-03';
    initData.copyright = 'CopyMeta';
    initData.url = 'https://resource.dopus.com/t/script-command-copymeta-copy-metadata-between-files/42137';
    initData.desc = 'Copy metadata from the first selected file to other files';
    initData.default_enable = true;
    initData.min_version = '12.0';
}

function OnAddCommands(addCmdData) {
    var cmd = addCmdData.AddCommand();
    cmd.name = 'CopyMeta';
    cmd.method = 'OnCopyMeta';
    cmd.desc = 'CopyMeta';
    cmd.label = 'CopyMeta';
    cmd.template = 'createdate/s,lastmodifieddate/s,comment/s,rating/s,gps/s,tags/s,labels/s';
    cmd.hide = false;
    cmd.icon = 'script';
}

function OnCopyMeta(scriptCmdData) {
    var cmd = scriptCmdData.func.command;
    var tab = scriptCmdData.func.sourcetab;
    var dtab = scriptCmdData.func.desttab;
    var dlg = scriptCmdData.func.Dlg();
    var args = scriptCmdData.func.args;

    cmd.deselect = false;

    if (tab.selected.count == 0) return;

    cmd.RunCommand('Set UTILITY=otherlog');
    DOpus.ClearOutput();

    var item = tab.selected(0);
    if (item.metadata == 'none') {
        DOpus.Output(item);
        DOpus.Output('... contains no metadata.');
        return;
    }
    
    var all = scriptCmdData.func.argsmap.empty;
    var tmp;
    var cmdLine = '';

    cmd.Clear();

    if (all || args.createdate) {
        tmp = item.create.Format('D#yyyy-MM-dd T#HH:mm:ss');
        cmdLine += ' "createdate:' + tmp + '"';
    }

    if (all || args.lastmodifieddate) {
        tmp = item.modify.Format('D#yyyy-MM-dd T#HH:mm:ss');
        cmdLine += ' "lastmodifieddate:' + tmp + '"';
    }

    if (all || args.comment) {
        tmp = item.metadata.other.usercomment;
        if (typeof tmp == 'undefined') tmp = '';
        cmdLine += ' "comment:' + tmp + '"';
    }

    if (all || args.rating) {
        tmp = item.metadata.other.rating;
        if (typeof tmp != 'number') tmp = 0;
        cmdLine += ' rating:' + tmp;
    }

    if (all || args.gps) {
        tmp = item.metadata.image.latitude;
        if (typeof tmp != 'number') tmp = 0;
        cmdLine += ' gpslatitude:' + tmp;

        tmp = item.metadata.image.longitude;
        if (typeof tmp != 'number') tmp = 0;
        cmdLine += ' gpslongitude:' + tmp;

        tmp = item.metadata.image.altitude;
        if (typeof tmp != 'number') tmp = 0;
        cmdLine += ' gpsaltitude:' + tmp;
    }

    if (all || args.tags) {
        tmp = '';
        if (item.metadata.tags.count > 0) {
            for (var e = new Enumerator(item.metadata.tags); !e.atEnd(); e.moveNext()) {
                tmp += e.item() + ';';
            }
            tmp = tmp.slice(0, -1);
        }
        cmdLine += ' "tags:' + tmp + '"';
    }

    if (cmdLine != '') {
        cmdLine = 'SetAttr META' + cmdLine;
        DOpus.Output(cmdLine);
        cmd.AddLine(cmdLine);
    }

    if (all || args.labels) {
        tmp = '';
        var itemLabels = item.Labels();
        if (itemLabels.count > 0) {
            for (var e = new Enumerator(itemLabels); !e.atEnd(); e.moveNext()) {
                tmp += e.item() + ',';
            }
            tmp = tmp.slice(0, -1);
        }
        var cmdLine = 'Properties SETLABEL="' + tmp + '"';
        DOpus.Output(cmdLine);
        cmd.AddLine(cmdLine);
    }

    if (dtab && dtab.selected.count > 0) {
        cmd.SetFiles(dtab.selected);
    } else {
        cmd.RemoveFile(item); // We leave the file untouched whose metadata we copy
    }

    if (cmd.filecount == 0) {
        DOpus.Output('');
        DOpus.Output('No copy targets selected.');
        return;
    }

    // Outcomment the following line, if the dialog gets in the way
    if (dlg.Request('Copy metadata from\n\n' + item.name + '\n\nto ' + cmd.filecount + ' files?') == 0) return;

    cmd.Run();

    DOpus.Output('');
    DOpus.Output('Metadata copied from:');
    DOpus.Output(item);
    DOpus.Output('');
    DOpus.Output('To:');
    for (var e = new Enumerator(cmd.files); !e.atEnd(); e.moveNext()) {
        DOpus.Output(e.item());
    }
}