'use strict';

// JSDoc has issues getting the name of `export default class NAME {}`
// this gross regex hacks around that issue until it is fixed.
// See: https://github.com/jsdoc3/jsdoc/issues/1137#issuecomment-174829004

const rgxGross = /(\/\*{2}[\W\w]+?\*\/)\s*export\s+default\s+class\s+([^\s]*)/g;
const grossReplace = 'export default $2;\n\n$1\nclass $2';

// JSDoc has issues with expressing member properties within a class
// this is another terrible hack to address this issue.
// See: https://github.com/jsdoc3/jsdoc/issues/1301

// eslint-disable-next-line no-useless-escape
const rgxMember = /(\@member \{[^\}]+\})(\n[^\/]+\/[\b\s]+)(this\.([^\s]+))/g;
const rgxClassName = /export (default )?class (.+?)\s/;
// eslint-disable-next-line no-useless-escape
const rgxNamespace = /\@memberof ([\.a-zA-Z0-9]+)\s/;

exports.handlers = {
    /**
     * Called before parsing a file, giving us a change to replace the source.
     *
     * @param {*} e - The `beforeParse` event data.
     * @param {string} e.filename - The name of the file being parsed.
     * @param {string} e.source - The source of the file being parsed.
     */
    beforeParse(e)    {
        const namespace = e.source.match(rgxNamespace);
        const className = e.source.match(rgxClassName);

        // Fix members not showing up attached to class
        if (namespace && className)        {
            // console.log(`${namespace[1]}.${className[2]}`);
            // Replaces "@member {Type}"" with "@member {Type} PIXI.ClassName#prop"
            e.source = e.source.replace(rgxMember, `$1 ${namespace[1]}.${className[2]}#$4$2$3`);
        }

        e.source = e.source.replace(rgxGross, grossReplace);
    },
};