<?php

/*
* it means someone outside wp is accessing the file, in this case kill it.
*/
if (!defined('ABSPATH')) {
	die('You can not access this file!');
}


/*
* if the acf field for transfert validation is checked,
* it means we need to validate the transfert
*
*/
function handle_transfert_validation_CIPF($user_id) {
	Plgntls::debug_infos();

	/*
	* check and reset the acf fielf for transfert
	*
	*/
	if (false === is_transfert_success_CIPF($user_id)) {
		return;
	}
	reset_acf_transfert_CIPF($user_id);

	/*
	* if the account is not in transfert state, nothing to do
	*
	*/
	if (false === is_account_waiting_transfert_CIPF($user_id)) {
		return;
	}

	/*
	* set account valid
	* create card number
	* add one year
	* change state 'commande'->'renouvellement'
	*
	*/
	set_account_valid_CIPF($user_id);
	update_card_date_expiration_CIPF($user_id);
	set_card_number_CIPF($user_id);
	set_card_renew_CIPF($user_id);
	send_emails_CIPF('transfert_success', $user_id);
}


/*
* if card expire, makes some changes
*
*/
function handle_card_expire_CIPF($user_id) {
	Plgntls::debug_infos();
	if (false === isset_acf_card_expiration_CIPF($user_id)) {
		return;
	}
	if (is_card_date_expired_CIPF($user_id)) {
		if (is_account_waiting_transfert_CIPF($user_id)) {
			set_account_waiting_invalid_CIPF($user_id);
		}
		else {
			set_account_expired_CIPF($user_id);
		}
		send_emails_CIPF('account_expired', $user_id);
	}
	else {
		if (is_account_waiting_transfert_CIPF($user_id)) {
			set_account_waiting_valid_CIPF($user_id);
		}
		else {
			set_account_valid_CIPF($user_id);
		}
	}
}


/*
* this function will delete the account if the deletion date is expired
* it is called both by e scheduled event, and every time a prof go on its page
*
*/
function handle_prof_account_deletion_CIPF($user_id) {
	Plgntls::debug_infos();

	/*
	* check if account still exists
	*
	*/
	if (false === get_user_by('id', $user_id)) {
		return;
	}

	/*
	* check if account should be deleted
	*
	*/
	if (!is_prof_account_deletion_date_exceeded_CIPF($user_id)) {
		return;
	}

	send_emails_CIPF('account_deleted', $user_id);
	include_once(ABSPATH.'wp-admin/includes/user.php');
	wp_delete_user($user_id);
}


/*
* this function will check if users should be sent an email
* to remind them of their card expiration date
*
*/
function handle_reminders_before_card_expire_CIPF($user_id) {
	Plgntls::debug_infos();
	$card_reminders = Cipf::DURATION_REMINDERS_BEFORE_ACCOUNT_EXPIRE;
	$emails_reminders = Cipf:: ACF_EMAILS_REMINDERS;

	if (!isset_acf_card_expiration_CIPF($user_id)) {
		return;
	}
	if (is_card_date_expired_CIPF($user_id)) {
		return;
	}
	$date_limit = get_card_date_expiration_CIPF($user_id);
	if (false === $date_limit) {
		return;
	}

	foreach ($card_reminders as $duration) {
		$date_reminder = $date_limit->modify($duration);
		$date_diff = date_diff($date_limit, $date_reminder);
		$date_diff = (int)$date_diff->format('%R%a');

		$date_now = date_create('now');
		$current_date_diff = date_diff($date_limit, $date_now);
		$current_date_diff = (int)$current_date_diff->format('%R%a');

		$diff = abs($current_date_diff - $date_diff);

		if ($diff === 0) {
		//	send_emails_CIPF('card_will_expire', $user_id);
		//	return; // don't send multiple emails
		}
	}
}


/*
* this function will check if users should be sent an email
* to remind them of their account beeing soon deleted
*
*/
function handle_reminders_before_account_deleted_CIPF($user_id) {
	Plgntls::debug_infos();
	$account_reminders = Cipf::DURATION_REMINDERS_BEFORE_ACCOUNT_DELETE;
	$duration_deletion = Cipf::DURATION_ACCOUNT_DELETE_AFTER_EXPIRE;

	if (!isset_acf_card_expiration_CIPF($user_id)) {
		return;
	}
	if (!is_card_date_expired_CIPF($user_id)) {
		return;
	}
	$date_limit = get_card_date_expiration_CIPF($user_id);
	if (false === $date_limit) {
		return;
	}
	$date_deletion = $date_limit->modify($duration_deletion);

	foreach ($account_reminders as $reminder) {
		$date_reminder = $date_deletion->modify($reminder);
		$date_diff = date_diff($date_deletion, $date_reminder);
		$date_diff = (int)$date_diff->format('%R%a');

		$date_now = date_create('now');
		$current_date_diff = date_diff($date_deletion, $date_now);
		$current_date_diff = (int)$current_date_diff->format('%R%a');

		// i add +3 in case there is a difference of maximum 3 days between a 31 days month and a 28 days february
		if (abs($current_date_diff) <= (abs($date_diff) + 3)) {
		//	send_emails_CIPF('account_will_be_deleted', $user_id);
		//	return; // don't send multiple emails
		}
	}
}


?>