<?php

namespace EB\WPNotice;

use EB\WPNotice\Utils\Base;
use EB\WPNotice\Utils\Storage;
use EB\WPNotice\Utils\Helper;

use function property_exists;

class Notice extends Base
{
	use Helper;

	private $app = null;

	private $id      = null;
	private $content = null;
	public  $dismiss = null;

	private $queue = [];

	/**
	 * @var array $options<string|int|bool|null>
	 */
	private $options = [
		// 'start'       =>  192933, // timestamp
		// 'expire'       => 1029339, // timestamp
		'classes'     => '',
		'recurrence'  => false,
		'scope'       => 'user',
		'screens'     => null,
		'type'        => 'info',
		'capability'  => null,
		'dismissible' => false,
	];

	public function __construct(...$args)
	{
		list($id, $content, $options, $queue, $app) = $args;

		$this->app     = $app;
		$this->id      = $id;
		$this->content = $content;
		$this->queue   = $queue;
		$this->options = wp_parse_args($options, $this->options);

		$this->dismiss = new Dismiss($this->id, $this->options, $this->app);

		if (!isset($queue[$id]) || (!empty($this->options['refresh']) && (empty($queue[$id]['refresh']) || $queue[$id]['refresh'] != $this->options['refresh']))) {
			$queue[$id] = [];
			$_eligible_keys = ['start', 'expire', 'recurrence', 'refresh'];
			array_walk($options, function ($value, $key) use ($id, &$queue, $_eligible_keys) {
				if (in_array($key, $_eligible_keys, true)) {
					$queue[$id][$key] = $value;
				}
			});

			$this->queue = $queue;
			$this->app->storage()->save($queue); // saved in queue
		} else {
			$this->options = wp_parse_args($queue[$id], $this->options);
		}

		if (!empty($this->options['do_action'])) {
			$this->do_action();
		}
	}

	public function do_action()
	{
		do_action($this->options['do_action'], $this);
	}

	private function get_content()
	{
		if (is_callable($this->content)) {
			ob_start();
			call_user_func($this->content);
			return ob_get_clean();
		}
		return $this->content;
	}

	public function display($force = false)
	{
		if (!$force && !$this->show()) {
			return;
		}

		$content = $this->get_content();
		if (empty($content)) {
			return; // Return if notice is empty.
		}

		$links = $this->get_links();

		// Print the notice.
		printf(
			'<div style="display: grid; grid-template-columns: 50px 1fr; align-items: center;" id="%1$s" class="%2$s">%3$s<div class="wpnotice-content-wrapper">%4$s%5$s</div></div>',
			'wpnotice-' . esc_attr($this->app->app) . '-' . esc_attr($this->id), // The ID.
			esc_attr($this->get_classes()), // The classes.
			!empty($content['thumbnail']) ? $this->get_thumbnail($content['thumbnail']) : '',
			!empty($content['html']) ? $content['html'] : $content,
			!empty($links) ? $this->links($links) : ''
		);
	}

	public function get_links()
	{
		return !empty($this->content['links']) ? $this->content['links'] : (!empty($this->options['links']) ?  $this->options['links'] : []);
	}

	// 'later' => array(
	// 	'link' => 'https://wpdeveloper.com/review-notificationx',
	// 	'target' => '_blank',
	// 	'label' => __( 'Ok, you deserve it!', 'notificationx' ),
	// 	'icon_class' => 'dashicons dashicons-external',
	// ),
	public function links($links)
	{
		$_attributes = '';

		$output = '<ul style="display: flex; width: 100%; align-items: center;" class="notice-links ' . $this->app->app . '-notice-links">';
		foreach ($links as $_key => $link) {
			$class  = !empty($link['class']) ? $link['class'] : '';

			if (!empty($link['attributes'])) {
				$link['attributes']['target'] = '_top';
				$_attributes  = $this->attributes($link['attributes']);
				$link['link']  = !empty($link['link']) ? $link['link'] : '#';
			}

			$output .= '<li style="margin: 0 15px 0 0;" class="notice-link-item ' . $class . '">';
			$output .= !empty($link['link']) ? '<a href="' . esc_url($link['link']) . '" ' . $_attributes . '>' : '';
			if (isset($link['icon_class'])) {
				$output .= '<span style="margin-right: 5px" class="' . esc_attr($link['icon_class']) . '"></span>';
			}
			$output .= $link['label'];
			$output .= !empty($link['link']) ? '</a>' : '';
			$output .= '</li>';
		}

		$output .= '</ul>';

		return $output;
	}

	public function attributes($params = [])
	{
		$_attr = [];
		
		$classname = '';
		if (isset($params['data-dismiss']) && $params['data-dismiss']) {
			$classname = 'dismiss-btn ';
		}

		if (!empty($params['class'])) {
			$classname .= $params['class'];
			unset($params['class']);
		}

		$_attr[] = 'class="' . esc_attr($classname) . '"';

		$_attr[] = 'target="_blank"';
		if (!empty($params)) {
			foreach ($params as $key => $value) {
				$_attr[] = "$key='$value'";
			}
		}

		return \implode(' ', $_attr);
	}

	public function url($params = [])
	{
		$nonce = wp_create_nonce('wpnotice_dismiss_notice_' . $this->id);

		return esc_url(add_query_arg([
			'action' => 'wpnotice_dismiss_notice',
			'id'     => $this->id,
			'nonce'  => $nonce,
		], admin_url('/')));
	}
	/**
	 * Get the notice classes.
	 *
	 * @access public
	 * @since 1.0
	 * @return string
	 */
	public function get_classes()
	{
		$classes = ['wpnotice-wrapper notice', $this->app->app];

		// Add the class for notice-type.
		$classes[] = $this->options['classes'];
		$classes[] = 'notice-' . $this->options['type'];
		$classes[] = 'notice-' . $this->app->app . '-' . $this->id;

		if ($this->options['dismissible']) {
			$classes[] = 'is-dismissible';
		}

		// Combine classes to a string.
		return implode(' ', $classes);
	}

	/**
	 * Determine if the notice should be shown or not.
	 *
	 * @access public
	 * @since 1.0
	 * @return bool
	 */
	public function show()
	{
		// External Condition Check
		if (isset($this->options['display_if']) && !$this->options['display_if']) {
			return false;
		}
		// Don't show if the user doesn't have the required capability.
		if (!is_null($this->options['capability']) && !current_user_can($this->options['capability'])) {
			return false;
		}

		// Don't show if we're not on the right screen.
		if (!$this->is_screen()) {
			return false;
		}

		// Don't show if notice has been dismissed.
		if ($this->dismiss->is_dismissed()) {
			return false;
		}

		// Start and Expiration Check.
		if ($this->time() <= $this->options['start']) {
			return false;
		}

		if ($this->is_expired()) {
			if ($this->options['recurrence']) {
				$_recurrence = intval($this->options['recurrence']);
				$this->queue[$this->id]['start'] = $this->strtotime("+$_recurrence days");
				$this->queue[$this->id]['expire'] = $this->strtotime("+" . ($_recurrence + 3) . " days");
				$this->app->storage()->save($this->queue);
			}

			return false;
		}

		return true;
	}

	/**
	 * Evaluate if we're on the right place depending on the "screens" argument.
	 *
	 * @access private
	 * @since 1.0
	 * @return bool
	 */
	private function is_screen()
	{
		// If screen is empty we want this shown on all screens.
		if (empty($this->options['screens'])) {
			return true;
		}

		// Make sure the get_current_screen function exists.
		if (!function_exists('get_current_screen')) {
			require_once ABSPATH . 'wp-admin/includes/screen.php';
		}

		/** @var \WP_Screen $current_screen */
		$current_screen = get_current_screen();
		return (in_array($current_screen->id, $this->options['screens'], true));
	}

	public function is_expired()
	{
		if (isset($this->options['expire']) && $this->time() >= $this->options['expire']) {
			return true;
		}

		return false;
	}

	public function __call($name, $args)
	{
		if (property_exists($this, $name)) {
			return $this->{$name}[$args[0]];
		}
	}

	public function get_thumbnail($image)
	{
		$output      = '<div style="padding: 10px 10px 10px 0px; box-sizing: border-box;" class="wpnotice-thumbnail-wrapper">';
		$output .= '<img style="max-width: 100%;" src="' . esc_url($image) . '">';
		$output     .= '</div>'; 
		return wp_kses_post($output);
	}
}