<?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();

	$acf_id = 'user_'.$user_id;
	/*
	* 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);
	reset_emails_reminders_choices_CIPF($acf_id);
	send_emails_CIPF('transfert_success', $user_id);
}


/*
* if card expire, makes some changes
*
*/
function handle_card_expire_CIPF($user_id) {
	Plgntls::debug_infos();
	$acf_id = 'user_'.$user_id;

	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);
		}
		if (!is_email_reminder_choice_CIPF('card_expired', $acf_id)) {
			set_email_reminder_choice_CIPF('card_expired', $acf_id);
			send_emails_CIPF('card_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);
		}
		reset_emails_reminders_box_CIPF('account_deletion', $acf_id);
		unset_email_reminder_choice_CIPF('card_expired', $acf_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');
	$user = get_user_by('id', $user_id);
	// dont delete,  for log
	error_log("delete prof: " . $user->user_login);
	wp_delete_user($user_id);
}

/*
* it should not be necessary, but just in case
*
*/
function prof_deletion_ensure_images_are_deleted_CIPF($user_id, $reassign, $user) {
	Plgntls::debug_infos();
	$role_prof = Cipf::ROLE_PROF;

	if (!in_array($role_prof, $user->roles)) {
		return;
	}

	$images = get_posts(array(
		'post_type' => 'attachment',
		'post_mime_type' => 'image',
		'posts_per_page' => -1,
		'author' => $user_id,
	));
	if (empty($images)) {
		return;
	}
	foreach ($images as $image) {
		$image_id = $image->ID;
		// Set the second argument to true to permanently delete the attachment
		$result = wp_delete_attachment($image_id, true);
		if ($result === false) {
			error_log('- failed to delete image: ' . $image_id);
		}
		else {
			error_log('- delete image: ' . $image_id);
		}
	}
}
add_action('deleted_user', 'prof_deletion_ensure_images_are_deleted_CIPF', 10, 3);


/*
* 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();
	$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;
	}

	handle_send_reminders_CIPF('user_'.$user_id, $user_id, $date_limit, 'card_expiration', 'card_will_expire');
}


/*
* 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();
	$duration_deletion = Cipf::DURATION_ACCOUNT_DELETE_AFTER_EXPIRE;

	if (!isset_acf_card_expiration_CIPF($user_id)) {
		return;
	}
	$acf_id = 'user_'.$user_id;
	if (!is_card_date_expired_CIPF($user_id)) {
		reset_emails_reminders_box_CIPF('account_deletion', $acf_id);
		return;
	}
	$date_limit = get_card_date_expiration_CIPF($user_id);
	if (false === $date_limit) {
		return;
	}
	$date_deletion = $date_limit->modify($duration_deletion);

	handle_send_reminders_CIPF($acf_id, $user_id, $date_deletion, 'account_deletion', 'account_will_be_deleted');

}


?>