<?php
/**
 * Admin Functions for NotiPulse
 *
 * @package NotiPulse
 */

if ( ! defined( 'ABSPATH' ) ) {
	exit; // Exit if accessed directly.
}

/**
 * Register Custom Post Type for NotiPulse.
 */
function notipulse_create_cpt() {
	$labels = array(
		'name'               => _x( 'All Notifications', 'post type general name', 'notipulse' ),
		'singular_name'      => _x( 'Notification', 'post type singular name', 'notipulse' ),
		'add_new'            => _x( 'Add New', 'Notification', 'notipulse' ),
		'add_new_item'       => __( 'Add New Notification', 'notipulse' ),
		'edit_item'          => __( 'Edit Notification', 'notipulse' ),
		'new_item'           => __( 'New Notification', 'notipulse' ),
		'all_items'          => __( 'All Notifications', 'notipulse' ),
		'view_item'          => __( 'View Notification', 'notipulse' ),
		'search_items'       => __( 'Search Notifications', 'notipulse' ),
		'not_found'          => __( 'No Notifications found', 'notipulse' ),
		'not_found_in_trash' => __( 'No Notifications found in the Trash', 'notipulse' ),
		'menu_name'          => __( 'NotiPulse', 'notipulse' ),
	);

	$args = array(
		'labels'             => $labels,
		'supports'           => array( 'title' ),
		'public'             => false,
		'show_ui'            => true,
		'show_in_menu'       => true,
		'menu_icon'          => 'dashicons-bell',
		'has_archive'        => false,
		'rewrite'            => false,
		'capability_type'    => 'post',
		'show_in_rest'       => false,
	);

	register_post_type( 'notipulse', $args );
}

/**
 * Create Submenu for Overview Page.
 */
function notipulse_add_submenu_in_cpt() {
	add_submenu_page(
		'edit.php?post_type=notipulse',
		__( 'Overview', 'notipulse' ),
		__( 'Overview', 'notipulse' ),
		'manage_options',
		'overview-page',
		'notipulse_overview_page'
	);
}

/**
 * Render Overview Page callback.
 */
function notipulse_overview_page() {
	if ( ! current_user_can( 'manage_options' ) ) {
		return;
	}
	$file = NOTIPULSE_DIR . 'functions/overview-page.php';
	if ( file_exists( $file ) ) {
		include $file;
	}
}

/**
 * Meta box class for NotiPulse.
 */
abstract class NotiPulse_Meta_Box {

	/**
	 * Set up and add the meta box.
	 */
	public static function add_meta_box_for_plugin_options() {
		add_meta_box(
			'notipulse_settings',
			__( 'Notification Settings', 'notipulse' ),
			array( __CLASS__, 'notipulse_admin_screen' ),
			'notipulse',
			'normal',
			'high'
		);
	}

	/**
	 * Save the meta box selections.
	 *
	 * @param int $post_id The post ID.
	 */
	public static function save_data_for_plugin_options( $post_id ) {
		// Nonce verification.
		if ( ! isset( $_POST['notipulse_meta_box_nonce'] ) ) {
			return;
		}

		$nonce = sanitize_key( wp_unslash( $_POST['notipulse_meta_box_nonce'] ) );

		if ( ! wp_verify_nonce( $nonce, 'notipulse_save_meta_box_data' ) ) {
			return;
		}

		// Prevent autosave from overwriting data.
		if ( defined( 'DOING_AUTOSAVE' ) && DOING_AUTOSAVE ) {
			return;
		}

		// Check user permissions.
		if ( ! current_user_can( 'edit_post', $post_id ) ) {
			return;
		}

		// Check post type.
		if ( isset( $_POST['post_type'] ) && 'notipulse' !== $_POST['post_type'] ) {
			return;
		}

		// Avoid updating revisions.
		if ( wp_is_post_revision( $post_id ) ) {
			return;
		}

		$display_in = '';
		if ( ! empty( $_POST['display_in'] ) && is_array( $_POST['display_in'] ) ) {
			$clean_display = array_map( 'sanitize_text_field', wp_unslash( $_POST['display_in'] ) );
			$display_in    = implode( ',', $clean_display );
		}

		$notipulse_options = array(
			'notipulse_type'          => isset( $_POST['notipulse_type'] ) ? sanitize_text_field( wp_unslash( $_POST['notipulse_type'] ) ) : 'Simple',
			'bg_color'                => isset( $_POST['bg_color'] ) ? sanitize_hex_color( wp_unslash( $_POST['bg_color'] ) ) : '',
			'bg_color_opacity'        => isset( $_POST['bg_color_opacity'] ) ? intval( $_POST['bg_color_opacity'] ) : 6,
			'notipulse_position'      => isset( $_POST['notipulse_position'] ) ? sanitize_text_field( wp_unslash( $_POST['notipulse_position'] ) ) : 'Top',
			'notipulse_head'          => isset( $_POST['notipulse_head'] ) ? sanitize_text_field( wp_unslash( $_POST['notipulse_head'] ) ) : '',
			'head_tags'               => isset( $_POST['head_tags'] ) ? sanitize_text_field( wp_unslash( $_POST['head_tags'] ) ) : 'h2',
			'headline_color'          => isset( $_POST['headline_color'] ) ? sanitize_hex_color( wp_unslash( $_POST['headline_color'] ) ) : '',
			'head_top_mar'            => isset( $_POST['head_top_mar'] ) ? intval( $_POST['head_top_mar'] ) : 0,
			'head_btm_mar'            => isset( $_POST['head_btm_mar'] ) ? intval( $_POST['head_btm_mar'] ) : 0,
			'head_lft_mar'            => isset( $_POST['head_lft_mar'] ) ? intval( $_POST['head_lft_mar'] ) : 0,
			'head_ryt_mar'            => isset( $_POST['head_ryt_mar'] ) ? intval( $_POST['head_ryt_mar'] ) : 0,
			'head_top_pad'            => isset( $_POST['head_top_pad'] ) ? intval( $_POST['head_top_pad'] ) : 0,
			'head_btm_pad'            => isset( $_POST['head_btm_pad'] ) ? intval( $_POST['head_btm_pad'] ) : 0,
			'head_lft_pad'            => isset( $_POST['head_lft_pad'] ) ? intval( $_POST['head_lft_pad'] ) : 0,
			'head_ryt_pad'            => isset( $_POST['head_ryt_pad'] ) ? intval( $_POST['head_ryt_pad'] ) : 0,
			'notipulse_content'       => isset( $_POST['notipulse_content'] ) ? wp_kses_post( wp_unslash( $_POST['notipulse_content'] ) ) : '',
			'text_color'              => isset( $_POST['text_color'] ) ? sanitize_hex_color( wp_unslash( $_POST['text_color'] ) ) : '',
			'font_size'               => isset( $_POST['font_size'] ) ? intval( $_POST['font_size'] ) : 18,
			'line_height'             => isset( $_POST['line_height'] ) ? intval( $_POST['line_height'] ) : 28,
			'content_top_mar'         => isset( $_POST['content_top_mar'] ) ? intval( $_POST['content_top_mar'] ) : 0,
			'content_btm_mar'         => isset( $_POST['content_btm_mar'] ) ? intval( $_POST['content_btm_mar'] ) : 0,
			'content_lft_mar'         => isset( $_POST['content_lft_mar'] ) ? intval( $_POST['content_lft_mar'] ) : 0,
			'content_ryt_mar'         => isset( $_POST['content_ryt_mar'] ) ? intval( $_POST['content_ryt_mar'] ) : 0,
			'content_top_pad'         => isset( $_POST['content_top_pad'] ) ? intval( $_POST['content_top_pad'] ) : 0,
			'content_btm_pad'         => isset( $_POST['content_btm_pad'] ) ? intval( $_POST['content_btm_pad'] ) : 0,
			'content_lft_pad'         => isset( $_POST['content_lft_pad'] ) ? intval( $_POST['content_lft_pad'] ) : 0,
			'content_ryt_pad'         => isset( $_POST['content_ryt_pad'] ) ? intval( $_POST['content_ryt_pad'] ) : 0,
			'notipulse_link'          => isset( $_POST['notipulse_link'] ) ? esc_url_raw( wp_unslash( $_POST['notipulse_link'] ) ) : '',
			'notipulse_btn_txt'       => isset( $_POST['notipulse_btn_txt'] ) ? sanitize_text_field( wp_unslash( $_POST['notipulse_btn_txt'] ) ) : '',
			'open_in'                 => isset( $_POST['open_in'] ) ? sanitize_text_field( wp_unslash( $_POST['open_in'] ) ) : 'Same Window',
			'notipulse_btn_bg_clr'    => isset( $_POST['notipulse_btn_bg_clr'] ) ? sanitize_hex_color( wp_unslash( $_POST['notipulse_btn_bg_clr'] ) ) : '',
			'notipulse_btn_txt_clr'   => isset( $_POST['notipulse_btn_txt_clr'] ) ? sanitize_hex_color( wp_unslash( $_POST['notipulse_btn_txt_clr'] ) ) : '',
			'notipulse_btn_size'      => isset( $_POST['notipulse_btn_size'] ) ? sanitize_text_field( wp_unslash( $_POST['notipulse_btn_size'] ) ) : 'Medium',
			'countdown_on_off'        => isset( $_POST['countdown_on_off'] ) ? sanitize_text_field( wp_unslash( $_POST['countdown_on_off'] ) ) : 'Off',
			'countdown_date_time'     => isset( $_POST['countdown_date_time'] ) ? sanitize_text_field( wp_unslash( $_POST['countdown_date_time'] ) ) : '',
			'countdown_top_mar'       => isset( $_POST['countdown_top_mar'] ) ? intval( $_POST['countdown_top_mar'] ) : 0,
			'countdown_btm_mar'       => isset( $_POST['countdown_btm_mar'] ) ? intval( $_POST['countdown_btm_mar'] ) : 0,
			'countdown_lft_mar'       => isset( $_POST['countdown_lft_mar'] ) ? intval( $_POST['countdown_lft_mar'] ) : 0,
			'countdown_ryt_mar'       => isset( $_POST['countdown_ryt_mar'] ) ? intval( $_POST['countdown_ryt_mar'] ) : 0,
			'countdown_top_pad'       => isset( $_POST['countdown_top_pad'] ) ? intval( $_POST['countdown_top_pad'] ) : 0,
			'countdown_btm_pad'       => isset( $_POST['countdown_btm_pad'] ) ? intval( $_POST['countdown_btm_pad'] ) : 0,
			'countdown_lft_pad'       => isset( $_POST['countdown_lft_pad'] ) ? intval( $_POST['countdown_lft_pad'] ) : 0,
			'countdown_ryt_pad'       => isset( $_POST['countdown_ryt_pad'] ) ? intval( $_POST['countdown_ryt_pad'] ) : 0,
			'countdown_font_size'     => isset( $_POST['countdown_font_size'] ) ? intval( $_POST['countdown_font_size'] ) : 16,
			'countdown_bg_clr'        => isset( $_POST['countdown_bg_clr'] ) ? sanitize_hex_color( wp_unslash( $_POST['countdown_bg_clr'] ) ) : '',
			'countdown_txt_clr'       => isset( $_POST['countdown_txt_clr'] ) ? sanitize_hex_color( wp_unslash( $_POST['countdown_txt_clr'] ) ) : '',
			'display_in'              => sanitize_text_field( $display_in ),
			'user_roles'              => isset( $_POST['user_roles'] ) ? sanitize_text_field( wp_unslash( $_POST['user_roles'] ) ) : '',
			'notipulse_time'          => isset( $_POST['notipulse_time'] ) ? sanitize_text_field( wp_unslash( $_POST['notipulse_time'] ) ) : 'Every Time On Page Load',
			'notipulse_close_when'    => isset( $_POST['notipulse_close_when'] ) ? sanitize_text_field( wp_unslash( $_POST['notipulse_close_when'] ) ) : 'Do not close - visitor will have to manually close.',
			'notipulse_how_much_time' => isset( $_POST['notipulse_how_much_time'] ) ? intval( $_POST['notipulse_how_much_time'] ) : 0,
			'last_updated'            => current_time( 'mysql' ),
		);

		update_post_meta( $post_id, 'notipulse_meta_key', $notipulse_options );
	}

	/**
	 * Display the meta box HTML to the user.
	 *
	 * @param WP_Post $post Post object.
	 */
	public static function notipulse_admin_screen( $post ) {
		$file = NOTIPULSE_DIR . 'functions/admin-ui.php';
		if ( file_exists( $file ) ) {
			include $file;
		}
	}
}

/**
 * Enqueue scripts & styles for admin screens.
 *
 * @param string $hook Current admin page hook.
 */
function notipulse_backend_enqueue( $hook ) {
	global $post_type;

	$is_notipulse_screen = ( 'notipulse' === $post_type ) || ( isset( $_GET['page'] ) && 'overview-page' === $_GET['page'] ); // phpcs:ignore WordPress.Security.NonceVerification.Recommended

	if ( ! $is_notipulse_screen ) {
		return;
	}

	// Enqueue color picker for NotiPulse admin screens.
	wp_enqueue_style( 'wp-color-picker' );
	wp_enqueue_script( 'wp-color-picker' );

	wp_enqueue_style( 'notipulse-admin', NOTIPULSE_URL . 'assets/css/style.css', array( 'wp-color-picker' ), NOTIPULSE_VERSION );
	wp_enqueue_style( 'notipulse-responsive', NOTIPULSE_URL . 'assets/css/responsive.css', array( 'notipulse-admin' ), NOTIPULSE_VERSION );
	wp_enqueue_script( 'notipulse-admin-js', NOTIPULSE_URL . 'assets/js/main.js', array( 'jquery', 'wp-color-picker' ), NOTIPULSE_VERSION, true );
}

/**
 * Add custom body class on the frontend.
 *
 * @param array $classes Current body classes.
 * @return array
 */
function notipulse_body_class( $classes ) {
	$classes[] = 'activated_notipulse_plugin';
	$classes[] = 'activated_np_plugin';
	return $classes;
}

/**
 * Add custom column headers in CPT list.
 *
 * @param array $cols Columns array.
 * @return array
 */
function notipulse_columns_key( $cols ) {
	$cols['notipulse_type']     = __( 'Notification Type', 'notipulse' );
	$cols['notipulse_position'] = __( 'Notification Position', 'notipulse' );
	return $cols;
}

/**
 * Render custom column content in CPT list.
 *
 * @param string $col Column key.
 * @param int    $post_id Post ID.
 */
function notipulse_columns_value( $col, $post_id ) {
	$meta = get_post_meta( $post_id, 'notipulse_meta_key', true );
	if ( ! is_array( $meta ) ) {
		$meta = maybe_unserialize( $meta );
	}

	if ( ! is_array( $meta ) ) {
		return;
	}

	switch ( $col ) {
		case 'notipulse_type':
			if ( ! empty( $meta['notipulse_type'] ) ) {
				echo esc_html( $meta['notipulse_type'] );
			}
			break;

		case 'notipulse_position':
			if ( ! empty( $meta['notipulse_position'] ) ) {
				echo esc_html( $meta['notipulse_position'] );
			}
			break;
	}
}

/**
 * Reorder custom columns in CPT list.
 *
 * @param array $defaults Default columns.
 * @return array
 */
function notipulse_columns_head( $defaults ) {
	global $post_type;

	if ( 'notipulse' !== $post_type ) {
		return $defaults;
	}

	$new = array();
	$type_col = isset( $defaults['notipulse_type'] ) ? $defaults['notipulse_type'] : '';
	$pos_col  = isset( $defaults['notipulse_position'] ) ? $defaults['notipulse_position'] : '';

	foreach ( $defaults as $key => $value ) {
		if ( 'date' === $key ) {
			if ( $type_col ) {
				$new['notipulse_type'] = $type_col;
			}
			if ( $pos_col ) {
				$new['notipulse_position'] = $pos_col;
			}
		}
		$new[ $key ] = $value;
	}
	return $new;
}