<?php

class Page_Main extends Page
{

	protected function doPreprocess()
	{
		User::load();
	}

	protected function doRender()
	{
		Render::addTemplate('main/_page', array('suite' => CONFIG_SUITE));
		if (!User::isLoggedIn()) {
			// Guest
			Render::addTemplate('main/guest', array('prefix' => CONFIG_PREFIX, 'suite' => CONFIG_SUITE, 'idm' => CONFIG_IDM));
			return;
		}
		// Logged in user --
		if (User::isLocalOnly()) {
			// Local test account
			$this->renderLocalAccount();
			return;
		}
		if (!User::isShibbolethAuth()) {
			// Should not be possible
			Message::addError('Sie sind nicht korrekt authentifiziert. Bitte melden Sie sich erneut an.');
			Session::delete();
			return;
		}
		// --- Below here we know the user via shibboleth
		if (User::isInDatabase()) {
			// User is also in DB, so he signed up for the service
			$this->renderShibbolethRegistered();
			return;
		}
		if (!User::isTutor()) {
			return;
		}
		// User is not in DB, so he might want so sign up for the service - see if conditions are met
		if (User::getOrganization() !== false) {
			// Organization is known, show signup form
			$this->renderShibbolethUnregistered();
			return;
		}
		// Nothing we can do here, show error message :-(
		if (User::getRemoteOrganizationId() !== false) {
			// Organization is not known, see if we at least have an idea
			Message::addWarning('Ihre Hochschule/Einrichtung {{0}} ist leider nicht bekannt. Bitte kontaktieren Sie den Support.', User::getRemoteOrganizationId());
		} else {
			// No idea where the user is coming from
			Message::addError('Ihr IdP sendet leider keine Informationen über Ihre Hochschul-/Einrichtungszugehörigkeit');
		}
	}

	private function renderShibbolethRegistered()
	{
		Render::addTemplate('main/logged-in', array('suite' => CONFIG_SUITE));
	}

	private function renderShibbolethUnregistered()
	{
		$data = User::getData();
		$data['organization'] = User::getOrganizationName();
		// Shoe testacc merge form if organization has test accounts
		$res = Database::queryFirst('SELECT Count(*) as cnt FROM user WHERE organizationid = :oid', array(
			'oid' => User::getOrganizationId()
		));
		if ($res !== false && $res['cnt'] > 0) {
			$data['testacc'] = true;
			$mail = trim(User::getMail());
			if (!empty($mail)) {
				$existing = Database::queryFirst('SELECT userid FROM user WHERE email = :email LIMIT 1', array(
					'email' => $mail
				));
				if ($existing !== false) {
					$data['testlogin'] = $existing['userid'];
				}
			}
		}
		$data['suite'] = CONFIG_SUITE;
		$data['idm'] = CONFIG_IDM;
		Render::addTemplate('main/deploy', $data);
	}

	private function renderLocalAccount()
	{
		$data = User::getData();
		$data['organization'] = User::getOrganizationName();
		Render::addTemplate('main/logged-in-testacc', $data);
	}

}