// Debug
const debug = require('debug')('client:updateConfig');
// Modules
const replace = require('replace-in-file');

class Options {
    constructor(key, updatedValue) {
        this.files = "./config/clientConfig.js";
        // A regex of the line containing the key in the config file
        this.from = new RegExp(`"${key}": (.+),`, "g");
        // Check to see if the value is a string and needs to be wrapped in double quotes
        if (typeof updatedValue === "string") this.to = `"${key}": "${updatedValue}",`;
        else this.to = `"${key}": ${updatedValue},`;
    }
}

/**
 * Wrapper to update the client's saved ID
 * @param updatedId The updated ID assigned to the bot
 */
exports.updateId = (updatedId) => {
    const options = new Options("id", updatedId);

    updateConfigFile(options, (updatedFiles) => {
        // Do Something
    })
}


/**
 * Wrapper to write changes to the file
 * @param options An instance of the Objects class specified to the key being updated
 * @param callback Callback when the files have been modified
 */
function updateConfigFile(options, callback){
    replace(options, (error, changedFiles) => {
        if (error) return console.error('Error occurred:', error);
        debug('Modified files:', changedFiles);
        callback(changedFiles);
    });
}