/**
 * Module Name: Admin
 * Description: Set of commands which only one who is a DepressionBot
 * administrator can run - as such, it has its own command execution listener.
 */
var fs = require('fs'),
    _ = require('underscore')._;

var admin = function(dbot) {
    this.internalAPI = {
        'getCurrentConfig': function(configKey, callback) {
            if(configKey) {
                this.db.read('config', configKey, function(err, cRecord) {
                    if(cRecord) {
                        callback(cRecord.value)
                    } else {
                        var configPath = dbot.config;
                        configKey = configKey.split('.');  

                        for(var i=0;i<configKey.length;i++) {
                            if(_.has(configPath, configKey[i])) {
                                configPath = configPath[configKey[i]]; 
                            } else {
                                callback(false);
                                break;
                            }
                        }

                        process.nextTick(function() {
                            callback(configPath);
                        });
                    }
                });
            } else {
                callback(dbot.config);
            }
        }.bind(this)
    };

    this.onLoad = function() {
        var configMap = dbot.config;
        this.db.scan('config', function(config) {
            if(config) {
                var currentPath = configMap,
                    key = config.key.split('.'),
                    value = config.value;

                for(var i=0;i<key.length-1;i++) {
                    if(_.has(currentPath, key[i])) {
                        currentPath = currentPath[key[i]];
                    }
                }

                currentPath[key[i]] = value;
            }
        }, function(err) { });
    }.bind(this);
};

exports.fetch = function(dbot) {
    return new admin(dbot);
};