if (!$) { throw new Error('JQuery is required') }
if (!_) { throw new Error('Lodash is required') }

var simulados = {};

simulados.host = 'https://simulados.debolso.com.br';
simulados.practiceTestId = '4bZokWwxWCcfMtG3u4GxMD';

simulados.subscribe = subscribe.bind(simulados);
simulados.getServerTime = getServerTime.bind(simulados);
simulados.getSubscription = getSubscription.bind(simulados);
simulados.getCurrentPracticeTest = getCurrentPracticeTest.bind(simulados);
simulados.getReport = getReport.bind(simulados);

function getServerTime () {
	var self = this;

	return new Promise(function(resolve, reject) {
		$.ajax({
			method: 'GET',
			url: self.host + '/api/time',
			crossDomain: true,
			json: true,
			success: function (data, status, xhr) {
				return resolve({
					data: data,
					status: status,
					xhr: xhr
				})
			},
			error: function (xhr, status, error) {
				return reject({
					error: error,
					status: status,
					xhr: xhr
				})
			}
		});
	});
}

function getCurrentPracticeTest () {
	var self = this;

	return new Promise(function(resolve, reject) {
		$.ajax({
			method: 'GET',
			url: self.host + '/api/practicetests/' + self.practiceTestId,
			crossDomain: true,
			json: true,
			success: function (data, status, xhr) {
				return resolve({
					data: data,
					status: status,
					xhr: xhr
				})
			},
			error: function (xhr, status, error) {
				return reject({
					error: error,
					status: status,
					xhr: xhr
				})
			}
		});
	});
}

function getSubscription (email) {
	var self = this;

	return new Promise(function(resolve, reject) {
		$.ajax({
			method: 'GET',
			url: self.host + '/api/subscriptions?filter[email]=' + encodeURIComponent(email) + '&filter[practicetestid]=' + simulados.practiceTestId,
			crossDomain: true,
			json: true,
			success: function (data, status, xhr) {
				return resolve({
					data: data,
					status: status,
					xhr: xhr
				})
			},
			error: function (xhr, status, error) {
				var response = {
					error: error,
					status: xhr.status,
					data: null,
					xhr: xhr
				}

				try {
					response.data = JSON.parse(xhr.responseText);
				} catch (error) {
					response.data = xhr.responseText;
				}

				return reject(response);
			}
		});
	});
}

function subscribe(email, fullName, discipline) {
	var self = this;

	return new Promise(function (resolve, reject) {
		$.ajax({
			method: 'POST',
			url: self.host + '/api/subscriptions',
			json: true,
			crossDomain: true,
			dataType: 'json',
			contentType:'application/json',
			data: JSON.stringify({
				email: _.deburr(_.trim(email.toLowerCase())),
				fullName: _.startCase(_.trim(fullName.toLowerCase())),
				discipline: discipline,
				practiceTestId: self.practiceTestId
			}),
			success: function (data, status, xhr) {
				return resolve({
					data: data,
					status: status,
					xhr: xhr
				})
			},
			error: function (xhr, status, error) {
				var response = {
					error: error,
					status: xhr.status,
					data: null,
					xhr: xhr
				}

				try {
					response.data = JSON.parse(xhr.responseText);
				} catch (error) {
					response.data = xhr.responseText;
				}

				return reject(response);
			}
		});
	});
}

function getReport(email, practiceTest) {
	return new Promise(function (resolve, reject) {
		$.ajax({
			method: 'GET',
			url: '/report/' + encodeURIComponent(email) + '?noredir=true' + (practiceTest ? ('&practicetest=' + practiceTest) : ''),
			success: function (data, status, xhr) {
				return resolve({
					data: data,
					status: status,
					xhr: xhr
				})
			},
			error: function (xhr, status, error) {
				var response = {
					error: error,
					status: xhr.status,
					data: null,
					xhr: xhr
				}

				try {
					response.data = JSON.parse(xhr.responseText);
				} catch (error) {
					response.data = xhr.responseText;
				}

				return reject(response);
			}
		});
	});
}