var self = this;

if (typeof opts.subdomain === "undefined")

throw new Error('The Harvest API client requires a subdomain');

this.use_oauth = (typeof opts.identifier !== "undefined" &&

typeof opts.secret !== "undefined");

this.use_basic_auth = (typeof opts.email !== "undefined" &&

typeof opts.password !== "undefined");

if (!this.use_oauth && !this.use_basic_auth)

throw new Error('The Harvest API client requires credentials for basic authentication or an identifier and secret for OAuth');

this.subdomain = opts.subdomain;

this.host = "https://" + this.subdomain + ".harvestapp.com";

this.email = opts.email;

this.password = opts.password;

this.identifier = opts.identifier;

this.secret = opts.secret;

this.user_agent = opts.user_agent;

var restService = restler.service(function(u, p) {

this.defaults.username = u;

this.defaults.password = p;

}, {

baseURL: self.host

}, {

run: function(type, url, data) {

console.log('run', type, url, data);

var opts = {};

opts.headers = {

'Content-Type': 'application/xml',

'Accept': 'application/xml'

};

if (typeof data !== 'undefined') {

if (typeof data === 'object') {

opts.headers['Content-Length'] = querystring.stringify(data).length;

} else {

opts.headers['Content-Length'] = data.length;

}

} else {

opts.headers['Content-Length'] = 0;

}

opts.data = data;

switch(type) {

case 'get':

return this.get(url, opts);

break;

case 'post':

return this.post(url, opts);

break;

case 'put':

return this.put(url, opts);

break;

case 'delete':

return this.del(url, opts);

break;

}

return this;

}

});

this.processRequest = function(res, cb) {

//console.log('processRequest', cb);

if (typeof cb !== "function") throw new Error('processRequest: Callback is not defined');

res.addListener('success', function(data, res) {

//console.log('success', util.inspect(data, false, 10));

// TODO Xml sucks and the JSON it generates is horrendous

// this default response could be greatly simplified for all requests

cb(null, data);

}).addListener('error', cb);

};

this.service = new restService(this.email, this.password);

this.client = {

get: function(url, data, cb) {

self.processRequest(self.service.run('get', url, data), cb);

},

patch: function(url, data, cb) {

self.processRequest(self.service.run('patch', url, data), cb);

},

post: function(url, data, cb) {

self.processRequest(self.service.run('post', url, data), cb);

},

put: function(url, data, cb) {

self.processRequest(self.service.run('put', url, data), cb);

},

delete: function(url, data, cb) {

self.processRequest(self.service.run('delete', url, data), cb);

}

};

var TimeTracking = require('./lib/time-tracking');

var Clients = require('./lib/clients');

var ClientContacts = require('./lib/client-contacts');

var Projects = require('./lib/projects');

var Tasks = require('./lib/tasks');

var People = require('./lib/people');

var ExpenseCategories = require('./lib/expense-categories');

var Expenses = require('./lib/expenses');

var UserAssignment = require('./lib/user-assignment');

var TaskAssignment = require('./lib/task-assignment');

var Reports = require('./lib/reports');

var Invoices = require('./lib/invoices');

var InvoiceMessages = require('./lib/invoice-messages');

var InvoicePayments = require('./lib/invoice-payments');

var InvoiceCategories = require('./lib/invoice-categories');

this.TimeTracking = new TimeTracking(this);

this.Clients = new Clients(this);

this.ClientContacts = new ClientContacts(this);

this.Projects = new Projects(this);

this.Tasks = new Tasks(this);

this.People = new People(this);

this.ExpenseCategories = new ExpenseCategories(this);

this.Expenses = new Expenses(this);

this.UserAssignment = new UserAssignment(this);

this.TaskAssignment = new TaskAssignment(this);

this.Reports = new Reports(this);

this.Invoices = new Invoices(this);

this.InvoiceMessages = new InvoiceMessages(this);

this.InvoicePayments = new InvoicePayments(this);

this.InvoiceCategories = new InvoiceCategories(this);

return this;