<?php

class Mailer
{
	private static function sendMail($email, $subject, $content, $from = "contact")
	{
		global $MAIL_DOMAIN, $URL_BASE, $YEAR;

		$content = preg_replace("#{URL_BASE}#", $URL_BASE, $content);
		$content = preg_replace("#{YEAR}#", $YEAR, $content);

		$headers = "From: \"Contact TFJM²\" <" . $from . "@" . $MAIL_DOMAIN . ">\r\n";
		$headers .= "Reply-To: \"Contact TFJM²\" <contact@" . $MAIL_DOMAIN . ">\r\n";
		$headers .= "Content-Type: text/html; charset=UTF-8\r\n";

		mail($email, $subject, $content, $headers);
	}

	private static function broadcastToTeam(Team $team, $subject, $content, $from = "contact")
	{
		$content = preg_replace("#{TEAM_NAME}#", $team->getName(), $content);
		$content = preg_replace("#{TRIGRAM}#", $team->getTrigram(), $content);

		foreach ($team->getEncadrants() as $participant_id) {
			$participant = User::fromId($participant_id);
			if ($participant == null)
				continue;

			$c = preg_replace("#{FIRST_NAME}#", $participant->getFirstName(), $content);
			$c = preg_replace("#{SURNAME}#", $participant->getSurname(), $c);
			self::sendMail($participant->getEmail(), $subject, $c, $from);
		}

		foreach ($team->getParticipants() as $participant_id) {
			$participant = User::fromId($participant_id);
			if ($participant == null)
				continue;

			$c = preg_replace("#{FIRST_NAME}#", $participant->getFirstName(), $content);
			$c = preg_replace("#{SURNAME}#", $participant->getSurname(), $c);
			self::sendMail($participant->getEmail(), $subject, $c, $from);
		}
	}

	private static function broadcastToAdmins($subject, $content, $from = "contact")
	{
		/** @var User $admin */
		foreach (User::getAdmins() as $admin) {
			$c = preg_replace("#{FIRST_NAME}#", $admin->getFirstName(), $content);
			$c = preg_replace("#{SURNAME}#", $admin->getSurname(), $c);
			self::sendMail($admin->getEmail(), $subject, $c, $from);
		}
	}

	private static function brodcastToOrgas(Tournament $tournament, $subject, $content, $from = "contact")
	{
		foreach ($tournament->getOrganizers() as $orga) {
			if ($orga->getRole() == Role::ADMIN)
				continue;

			$c = preg_replace("#{FIRST_NAME}#", $orga->getFirstName(), $content);
			$c = preg_replace("#{SURNAME}#", $orga->getSurname(), $c);
			self::sendMail($orga->getEmail(), $subject, $c, $from);
		}

		self::broadcastToAdmins($subject, $content, $from);
	}

	private static function getTemplate($name)
	{
		global $LOCAL_PATH;
		return file_get_contents("$LOCAL_PATH/server_files/services/mail_templates/$name.html");
	}

	public static function sendRegisterMail(NewUser $new_user)
	{
		global $YEAR;

		$content = self::getTemplate("register");
		$content = preg_replace("#{FIRST_NAME}#", $new_user->first_name, $content);
		$content = preg_replace("#{SURNAME}#", $new_user->surname, $content);
		$content = preg_replace("#{TOKEN}#", $new_user->confirm_email_token, $content);

		self::sendMail($new_user->email, "Inscription au TFJM² $YEAR", $content);
	}

	public static function sendConfirmEmail(User $user)
	{
		global $YEAR;

		$content = self::getTemplate("confirm_email");
		$content = preg_replace("#{FIRST_NAME}#", $user->getFirstName(), $content);
		$content = preg_replace("#{SURNAME}#", $user->getSurname(), $content);
		$content = preg_replace("#{TOKEN}#", $user->getConfirmEmailToken(), $content);

		self::sendMail($user->getEmail(), "Confirmation d'adresse e-mail – TFJM² $YEAR", $content);
	}

	public static function sendChangeEmailAddressMail(User $user)
	{
		$content = self::getTemplate("change_email_address");
		$content = preg_replace("#{FIRST_NAME}#", $user->getFirstName(), $content);
		$content = preg_replace("#{SURNAME}#", $user->getSurname(), $content);
		$content = preg_replace("#{TOKEN}#", $user->getConfirmEmailToken(), $content);

		self::sendMail($user->getEmail(), "Changement d'adresse e-mail – TFJM²", $content);
	}

	public static function sendForgottenPasswordProcedureMail(User $user)
	{
		$content = self::getTemplate("forgotten_password");
		$content = preg_replace("#{FIRST_NAME}#", $user->getFirstName(), $content);
		$content = preg_replace("#{SURNAME}#", $user->getSurname(), $content);
		$content = preg_replace("#{TOKEN}#", $user->getForgottenPasswordToken(), $content);

		self::sendMail($user->getEmail(), "Mot de passe oublié – TFJM²", $content);
	}

	public static function sendChangePasswordMail(User $user)
	{
		$content = self::getTemplate("change_password");
		$content = preg_replace("#{FIRST_NAME}#", $user->getFirstName(), $content);
		$content = preg_replace("#{SURNAME}#", $user->getSurname(), $content);

		self::sendMail($user->getEmail(), "Mot de passe changé – TFJM²", $content);
	}

	public static function sendAddTeamMail(User $user, Team $team, Tournament $tournament)
	{
		global $YEAR;

		$content = self::getTemplate("add_team");
		$content = preg_replace("#{FIRST_NAME}#", $user->getFirstName(), $content);
		$content = preg_replace("#{SURNAME}#", $user->getSurname(), $content);
		$content = preg_replace("#{TEAM_NAME}#", $team->getName(), $content);
		$content = preg_replace("#{TRIGRAM}#", $team->getTrigram(), $content);
		$content = preg_replace("#{TOURNAMENT_NAME}#", $tournament->getName(), $content);
		$content = preg_replace("#{ACCESS_CODE}#", $team->getAccessCode(), $content);

		self::sendMail($user->getEmail(), "Ajout d'une équipe TFJM² $YEAR", $content);
	}

	public static function sendJoinTeamMail(User $user, Team $team, Tournament $tournament)
	{
		global $YEAR;

		$content = self::getTemplate("join_team");
		$content = preg_replace("#{FIRST_NAME}#", $user->getFirstName(), $content);
		$content = preg_replace("#{SURNAME}#", $user->getSurname(), $content);
		$content = preg_replace("#{TEAM_NAME}#", $team->getName(), $content);
		$content = preg_replace("#{TRIGRAM}#", $team->getTrigram(), $content);
		$content = preg_replace("#{TOURNAMENT_NAME}#", $tournament->getName(), $content);

		self::sendMail($user->getEmail(), "Équipe rejointe TFJM² $YEAR", $content);
	}

	public static function sendAddOrganizerMail(NewOrganizer $new_orga)
	{
		global $YEAR;

		$content = self::getTemplate("add_organizer");
		$content = preg_replace("#{FIRST_NAME}#", $new_orga->first_name, $content);
		$content = preg_replace("#{SURNAME}#", $new_orga->surname, $content);
		$content = preg_replace("#{TOKEN}#", $new_orga->token, $content);

		self::sendMail($new_orga->email, "Ajout d'un organisateur – TFJM² $YEAR", $content);
	}

	public static function sendAddOrganizerForTournamentMail(User $organizer, Tournament $tournament)
	{
		global $YEAR;

		$content = self::getTemplate("add_organizer_for_tournament");
		$content = preg_replace("#{FIRST_NAME}#", $organizer->getFirstName(), $content);
		$content = preg_replace("#{SURNAME}#", $organizer->getSurname(), $content);
		$content = preg_replace("#{TOURNAMENT_NAME}#", $tournament->getName(), $content);

		self::sendMail($organizer->getEmail(), "Ajout d'un organisateur pour le tournoi " . $tournament->getName() . " – TFJM² $YEAR", $content);
	}

	public static function requestPaymentValidation(User $user, Team $team, Tournament $tournament, Payment $payment)
	{
		global $YEAR, $URL_BASE;

		$content = self::getTemplate("request_payment_validation");
		$content = preg_replace("#{USER_FIRST_NAME}#", $user->getFirstName(), $content);
		$content = preg_replace("#{USER_SURNAME}#", $user->getSurname(), $content);
		$content = preg_replace("#{USER_ID}#", $user->getId(), $content);
		$content = preg_replace("#{TEAM_NAME}#", $team->getName(), $content);
		$content = preg_replace("#{TRIGRAM}#", $team->getTrigram(), $content);
		$content = preg_replace("#{TOURNAMENT_NAME}#", $tournament->getName(), $content);
		$content = preg_replace("#{AMOUNT}#", $payment->getAmount(), $content);
		$content = preg_replace("#{PAYMENT_METHOD}#", PaymentMethod::getTranslatedName($payment->getMethod()), $content);
		if ($payment->getMethod() == PaymentMethod::SCHOLARSHIP)
			$content = preg_replace("#{PAYMENT_INFOS}#", "<a href=\"$URL_BASE/file/" . $payment->getTransactionInfos() . "\">Voir la notification de bourse</a>", $content);
		else
			$content = preg_replace("#{PAYMENT_INFOS}#", $payment->getTransactionInfos(), $content);

		self::broadcastToAdmins("Demande de validation de paiement pour le tournoi " . $tournament->getName() . " – TFJM² $YEAR", $content);
	}

	public static function sendRequestValidationMail(Team $team, Tournament $tournament)
	{
		global $YEAR;

		$content = self::getTemplate("request_validation");
		$content = preg_replace("#{TEAM_NAME}#", $team->getName(), $content);
		$content = preg_replace("#{TRIGRAM}#", $team->getTrigram(), $content);
		$content = preg_replace("#{TOURNAMENT}#", $tournament->getName(), $content);
		$content = preg_replace("#{ACCESS_CODE}#", $team->getAccessCode(), $content);

		self::brodcastToOrgas($tournament, "Demande de validation – Correspondances des Jeunes Mathématicien·ne·s $YEAR - " . ($YEAR + 1), $content);
	}

	public static function sendValidateTeam($team, $message)
	{
		global $YEAR;

		$content = self::getTemplate("validate_team");
		if (strlen($message) > 0)
			$message = " L'équipe d'organisation vous transmet le message suivant :\n\n" . $message;
		$message = preg_replace("#\n#", "<br/>\n", $message);
		$content = preg_replace("#{MESSAGE}#", $message, $content);

		self::broadcastToTeam($team, "Équipe validée – Correspondances des Jeunes Mathématicien·ne·s $YEAR - " . ($YEAR + 1), $content);
	}

	public static function sendUnvalidateTeam($team, $message)
	{
		global $YEAR;

		$content = self::getTemplate("unvalidate_team");
		if (strlen($message) > 0)
			$message = " L'équipe d'organisation vous transmet le message suivant :\n\n" . $message;
		$message = preg_replace("#\n#", "<br/>\n", $message);
		$content = preg_replace("#{MESSAGE}#", $message, $content);

		self::broadcastToTeam($team, "Équipe non validée – Correspondances des Jeunes Mathématicien·ne·s $YEAR - " . ($YEAR + 1), $content);
	}

	public static function sendValidatePayment(User $user, Team $team, Tournament $tournament, Payment $payment, $message)
	{
		global $YEAR, $URL_BASE;

		$content = self::getTemplate($payment->getValidationStatus() == ValidationStatus::VALIDATED ? "validate_payment" : "unvalidate_payment");
		$content = preg_replace("#{FIRST_NAME}#", $user->getFirstName(), $content);
		$content = preg_replace("#{SURNAME}#", $user->getSurname(), $content);
		$content = preg_replace("#{TEAM_NAME}#", $team->getName(), $content);
		$content = preg_replace("#{TRIGRAM}#", $team->getTrigram(), $content);
		$content = preg_replace("#{TOURNAMENT_NAME}#", $tournament->getName(), $content);
		$content = preg_replace("#{AMOUNT}#", $payment->getAmount(), $content);
		$content = preg_replace("#{PAYMENT_METHOD}#", PaymentMethod::getTranslatedName($payment->getMethod()), $content);
		if ($payment->getMethod() == PaymentMethod::SCHOLARSHIP)
			$content = preg_replace("#{PAYMENT_INFOS}#", "<a href=\"$URL_BASE/file/" . $payment->getTransactionInfos() . "\">Voir la notification de bourse</a>", $content);
		else
			$content = preg_replace("#{PAYMENT_INFOS}#", $payment->getTransactionInfos(), $content);
		if (isset($message) && strlen($message) > 0) {
			$content = preg_replace("#{MESSAGE}#", "L'équipe d'organisation vous transmet les informations suivantes :<br /><br />" . $message . "<br />", $content);
		}

		self::sendMail($user->getEmail(), "Paiement pour le tournoi " . $tournament->getName() . " – TFJM² $YEAR", $content);
	}
}