const fs = require('fs');

function getType(t){
    return (t?.type.names[0] || '').replace(/^Array\.\<(.*)\>$/, '$1*')
}

function graft(childNodes, parentLongname) {
    let result = '';
    childNodes.filter(({memberof}) => memberof === parentLongname)
    .forEach(element => {
        if (element.kind === 'function') {
            result += `${getType(element.returns?.[0]) || 'void'} ${element.name}(${ element.params?.map(p=>
                `/* ${p.description || ''} */ ${getType(p)} ${p.name}`
            ).join(', ') || ''});\n`;
        }
        else if (element.kind === 'member') {
            result += `/* ${element.description || ''} */ ${getType(element)} ${element.name};`
        }
        
        else if (element.kind === 'class') {
            result+= `/** ${element.classdesc || ''} */\nclass ${element.name}{\n public: \n`;
            result += graft(childNodes, element.longname);
            result+= '\n};\n';
       }
    });
    return result;
}

/**
    @param {TAFFY} data
    @param {object} opts
 */
exports.publish = (data, {destination, query}) => {
    let docs;

    data({undocumented: true}).remove();
    docs = data().get(); // <-- an array of Doclet objects

    fs.promises.writeFile('./result.json', JSON.stringify(docs), {encoding:'utf-8'})
    
    let result = graft(docs);
    console.log(result)

    if (destination === 'console') {
        if (query && query.format === 'xml') {
            //console.log( xml.parse('xs:schema', root) );
        }
        else {
            //console.log( require('jsdoc/util/dumper').dump(root) );
        }
    }
    else {
        console.log('This template only supports output to the console. Use the option "-d console" when you run JSDoc.');
    }
};