'use strict';

exports = module.exports = {
    removePrivateFields: removePrivateFields,
    injectPrivateFields: injectPrivateFields,
    upsert: upsert,
    get: get,
    del: del,
    wait: wait,
    verifyDnsConfig: verifyDnsConfig
};

var assert = require('assert'),
    debug = require('debug')('box:dns/noop'),
    util = require('util');

function removePrivateFields(domainObject) {
    return domainObject;
}

// eslint-disable-next-line no-unused-vars
function injectPrivateFields(newConfig, currentConfig) {
}

function upsert(domainObject, location, type, values, callback) {
    assert.strictEqual(typeof domainObject, 'object');
    assert.strictEqual(typeof location, 'string');
    assert.strictEqual(typeof type, 'string');
    assert(Array.isArray(values));
    assert.strictEqual(typeof callback, 'function');

    debug('upsert: %s for zone %s of type %s with values %j', location, domainObject.zoneName, type, values);

    return callback(null);
}

function get(domainObject, location, type, callback) {
    assert.strictEqual(typeof domainObject, 'object');
    assert.strictEqual(typeof location, 'string');
    assert.strictEqual(typeof type, 'string');
    assert.strictEqual(typeof callback, 'function');

    callback(null, [ ]); // returning ip confuses apptask into thinking the entry already exists
}

function del(domainObject, location, type, values, callback) {
    assert.strictEqual(typeof domainObject, 'object');
    assert.strictEqual(typeof location, 'string');
    assert.strictEqual(typeof type, 'string');
    assert(Array.isArray(values));
    assert.strictEqual(typeof callback, 'function');

    return callback();
}

function wait(domainObject, location, type, value, options, callback) {
    assert.strictEqual(typeof domainObject, 'object');
    assert.strictEqual(typeof location, 'string');
    assert.strictEqual(typeof type, 'string');
    assert.strictEqual(typeof value, 'string');
    assert(options && typeof options === 'object'); // { interval: 5000, times: 50000 }
    assert.strictEqual(typeof callback, 'function');

    callback();
}

function verifyDnsConfig(domainObject, callback) {
    assert.strictEqual(typeof domainObject, 'object');
    assert.strictEqual(typeof callback, 'function');

    return callback(null, { });
}