// Debug
const { DebugBuilder } = require("../utilities/debugBuilder.js");
const log = new DebugBuilder("client", "updateConfig");
// Modules
const replace = require('replace-in-file');

class Options {
    constructor(key, updatedValue) {
        this.files = "./.env";
        // A regex of the line containing the key in the config file
        this.from = new RegExp(`${key}="(.+)",`, "g");
        // Check to see if the value is a string and needs to be wrapped in double quotes
        if (Array(["string", "number"]).includes(typeof updatedValue)) this.to = `${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) => {
    this.updateConfig('id', updatedId);
}

/**
 * 
 * @param {string} key The config file key to update with the value
 * @param {string} value The value to update the key with 
 */
exports.updateConfig = function updateConfig(key, value) {
    const options = new Options(key, value);

    updateConfigFile(options, (updatedFiles) => {
        // Do Something
        log.DEBUG("Updated config file: ", updatedFiles);
    })
}


/**
 * 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);
        log.DEBUG('Modified files:', changedFiles);
        callback(changedFiles);
    });
}