<?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!');
}


/*
* checks if the current page is owned by the logged in partner
* dont work in 'init' hook
* works in 'wp' hook
*
*/
function is_own_partner_CIPF() {
	Plgntls::debug_infos(2);
	$role_partner = Cipf::ROLE_PARTNER;

	if (!is_partner_CIPF()) {
		return false;
	}
	if (!is_single()) {
		return false;
	}
	Plgntls::debug_infos();

	global $post;
	if (is_null($post)) {
		return false;
	}
	$current_post_author_id = (int)($post->post_author);
	$current_user_id = (int)get_current_user_id();
	if ($current_user_id !== $current_post_author_id) {
		return false;
	}

	return true;
}


/*
* action to be done at the init state of the page
*
*/
function partner_page_init_CIPF() {
	Plgntls::debug_infos(2);

	if (!is_partner_CIPF()) {
		return;
	}
	Plgntls::debug_infos();


	// https://developer.wordpress.org/reference/functions/get_query_var/#more-information
	global $wp; 
	$wp->add_query_var('action');
}
add_action('init','partner_page_init_CIPF');


/*
* upload scripts and styles on partner page
*
*/
function partner_page_scripts_CIPF() {
	Plgntls::debug_infos(2);

	/*
	* if on post, load css
	* - to hide partner own stuff
	* - for states
	*
	*/
	if (!is_single()) {
		return;
	}
	Plgntls::debug_infos();
	Plgntls::add_to_front(array('css/partner_page.css'));
	$post_id = get_the_ID();
	display_states_css_CIPF($post_id);

	/*
	* then check if is partner own page
	*
	*/
	if (!is_own_partner_CIPF()) {
		return;
	}

	/*
	* on partner own page, load css to show own stuff
	*
	*/
	Plgntls::add_to_front(array('css/partner_page_own.css'));
}
add_action('wp_enqueue_scripts', 'partner_page_scripts_CIPF', 11);


/*
* prevent access to the post if in draft
*
*/
function restrict_partner_page_draft_CIPF() {
	Plgntls::debug_infos(2);

	/*
	* the restrictions only concerns logged in users
	* and on post (partner pages)
	* -> own partners are not restricted
	* -> also not admin and fipf
	*
	*/
	if (!is_single()) {
		return;
	}
	if (!is_user_logged_in()) {
		return;
	}
	if (is_fipf_CIPF()) {
		return;
	}
	if (is_admin_CIPF()) {
		return;
	}
	if (is_own_partner_CIPF()) {
		return;
	}
	Plgntls::debug_infos();

	/*
	* get the post id and object
	*
	*/
	$post_id = get_the_ID();
	$current_post = get_post($post_id);
	if (is_null($current_post)) {
		return;
	}

	/*
	* if post is draft, nobody should see it,
	* except own partner (but they are already out this function)
	*
	*/
	if ($current_post->post_status === 'draft') {
		redirect_home_CIPF();
	}
}
add_action('template_redirect', 'restrict_partner_page_draft_CIPF');


/*
* listen to the front button to toggle page publish/draft
*
*/
function toggle_partner_page_CIPF() {
	Plgntls::debug_infos(2);
	$toggle_partner_page = Cipf::QUERY_TOGGLE_PARTNER_PAGE;

	/*
	* check if :
	* - is own partner
	* - has query action
	* to check for 'action' query, add 'action' to query vars in 'init' hook
	* -> https://developer.wordpress.org/reference/functions/get_query_var/#more-information
	*
	*/
	if (!is_own_partner_CIPF()) {
		return;
	}
	Plgntls::debug_infos();
	$is_action_toggle = get_query_var('action', false);
	if ($is_action_toggle !== $toggle_partner_page) {
		return;
	}

	/*
	* get the post id and object
	*
	*/
	$post_id = get_the_ID();
	$current_post = get_post($post_id);
	if (is_null($current_post)) {
		return;
	}

	/*
	* toogle the status
	*
	*/
	if ($current_post->post_status === 'publish') {
		wp_update_post(array(
			'ID' => $post_id,
			'post_status' => 'draft',
		));
		set_page_draft_CIPF($post_id);
	}
	else if ($current_post->post_status === 'draft') {
		wp_update_post(array(
			'ID' => $post_id,
			'post_status' => 'publish',
		));
		set_page_publish_CIPF($post_id);
	}
		
	/*
	* redirects without the query
	*
	*/
	$url = remove_query_arg('action');
	wp_safe_redirect($url);
	exit;


}
add_action('template_redirect', 'toggle_partner_page_CIPF', 5);


/*
* if url uses post id, ex: /?p=40772
* make redirects to its post_name version, ex: /la-fipf
*
*/
function partner_page_check_url_CIPF() {
	Plgntls::debug_infos(2);
	if (!is_own_partner_CIPF()) {
		return;
	}
	Plgntls::debug_infos();

	/*
	* get the post name
	*
	*/
	$post_id = get_the_ID();
	$current_post = get_post($post_id);
	if (is_null($current_post)) {
		return;
	}

	/*
	* 
	*
	*/
	$current_slug = trim($_SERVER['REQUEST_URI'], '/');
	$slug = trim($current_post->post_name, '/');

	if ($slug !== $current_slug) {
		wp_safe_redirect(home_url($slug));
		exit;
	}
}
add_action('template_redirect', 'partner_page_check_url_CIPF', 9);


/*
* early checks on partner page
*
*/
function page_partner_check_CIPF() {
	Plgntls::debug_infos(2);

	// is partner own page
	if (!is_own_partner_CIPF()) {
		return;
	}
	Plgntls::debug_infos();

	$post_id = get_the_ID();
	$current_post = get_post($post_id);

	/*
	* checks if the acf state field is set accrodingly to page state
	*
	*/
	if ($current_post->post_status === 'publish') {
		set_page_publish_CIPF($post_id);
	}
	else if ($current_post->post_status === 'draft') {
		set_page_draft_CIPF($post_id);
	}
}
add_action('wp', 'page_partner_check_CIPF', 11);


?>