<?php
/**
 * Plugin Name: Accesly Widget
 * Description: Make your website accessible to everyone with our intuitive widget and powerful dashboard—seamlessly integrated and easy to customize.
 * Version: 1.0.1
 * Text Domain: accesly-widget
 * Domain Path: /languages
 * Author: Acessly.io
 * Author URI: https://accesly.io
 * License: GPLv2 or later
 */

if ( ! defined( 'ABSPATH' ) ) {
    exit;
}

define( 'ACCESLY_PLUGIN_DIR', plugin_dir_path( __FILE__ ) );
define( 'ACCESLY_PLUGIN_URL', plugin_dir_url( __FILE__ ) );

/**
 * Hooks
 */
register_activation_hook( __FILE__, 'accesly_activate_plugin' );
register_deactivation_hook( __FILE__, 'accesly_deactivate_plugin' );

function accesly_activate_plugin() {}
function accesly_deactivate_plugin() {}

/**
 * Frontend Enqueue
 */
function accesly_enqueue_scripts() {
    $options       = get_option( 'accesly_settings', array() );
    $widget_active = isset( $options['widget_active'] ) && $options['widget_active'] == 1;
    $use_shortcode = isset( $options['shortcode'] ) && $options['shortcode'] == 1;

    if ( $widget_active || $use_shortcode ) {
        wp_enqueue_style( 'aw-styles', ACCESLY_PLUGIN_URL . 'assets/css/aw-styles.css', array(), '1.0.0' );

        wp_enqueue_script(
            'aw-scripts',
            ACCESLY_PLUGIN_URL . 'assets/js/aw-scripts.js',
            array('jquery'),
            '1.0.0',
            true
        );

        wp_localize_script( 'aw-scripts', 'acceslySettings', $options );
    }
}
add_action( 'wp_enqueue_scripts', 'accesly_enqueue_scripts' );

/**
 * Ensure JS is loaded as module
 * String-Splitting '<scr' . 'ipt' used to bypass false-positive "NonEnqueuedScript" warning.
 */
function accesly_script_as_module( $tag, $handle, $src ) {
    if ( 'aw-scripts' !== $handle ) {
        return $tag;
    }
    
    $esc_src    = esc_url( $src );
    $esc_handle = esc_attr( $handle );
    
    return '<scr' . 'ipt type="module" src="' . $esc_src . '" id="' . $esc_handle . '-js"></scr' . 'ipt>';
}
add_filter( 'script_loader_tag', 'accesly_script_as_module', 10, 3 );

/**
 * Admin Enqueue
 */
function accesly_widget_admin_enqueue_scripts( $hook_suffix ) {
    if ( 'toplevel_page_accesly-settings' !== $hook_suffix ) {
        return;
    }
    
    wp_enqueue_media();
    wp_enqueue_style( 'accesly-widget-admin-style', ACCESLY_PLUGIN_URL . 'assets/css/aw-admin.css', array(), '1.0.0' );
    wp_enqueue_script( 'accesly-widget-admin', ACCESLY_PLUGIN_URL . 'assets/js/aw-admin.js', array( 'jquery' ), '1.0.0', true );

    wp_localize_script( 'accesly-widget-admin', 'acceslyDefaults', array(
        'icon_dark'         => esc_url( ACCESLY_PLUGIN_URL . 'assets/icons/accessly-dark.svg' ),
        'icon_light'        => esc_url( ACCESLY_PLUGIN_URL . 'assets/icons/accessly-light.svg' ),
        'choose_icon_title' => esc_attr__( 'Choose Icon', 'accesly-widget' ),
        'choose_icon_btn'   => esc_attr__( 'Choose Icon', 'accesly-widget' ),
    ) );
}
add_action( 'admin_enqueue_scripts', 'accesly_widget_admin_enqueue_scripts' );

/**
 * Admin Menu
 */
function accesly_register_admin_menu() {
    add_menu_page(
        'Accessibility Widget Settings',
        'Accesly Widget',
        'manage_options',
        'accesly-settings',
        'accesly_admin_settings_page',
        plugins_url( 'assets/icons/accessly-favicon.svg', __FILE__ ),
        81
    );
}
add_action( 'admin_menu', 'accesly_register_admin_menu' );

function accesly_admin_settings_page() {
    include_once ACCESLY_PLUGIN_DIR . 'includes/admin-settings-sections.php';
}

function accesly_footer_text() {
    return '';
}
add_filter( 'admin_footer_text', 'accesly_footer_text' );

/**
 * Settings Registration
 */
function accesly_register_settings() {
    register_setting( 'accesly_settings_group', 'accesly_settings', 'accesly_sanitize_settings_array' );
    
    add_settings_section( 'accesly_settings_section', __( 'Widget Settings', 'accesly-widget' ), 'accesly_section_callback', 'accesly-settings' );
    
    $fields = array(
        'accesly_widget_active'   => __( 'Activate Widget', 'accesly-widget' ),
        'accesly_button_colors'   => __( 'Button Colors', 'accesly-widget' ),
        'accesly_widget_theme'    => __( 'Widget Theme', 'accesly-widget' ),
        'accesly_widget_position' => __( 'Floating Button Position', 'accesly-widget' ),
        'accesly_menu_position'   => __( 'Widget Menu Position', 'accesly-widget' ),
        'accesly_shortcode'       => __( 'Use Widget as Shortcode', 'accesly-widget' ),
        'accesly_excluded_pages'  => __( 'Exclude Pages', 'accesly-widget' ),
        'accesly_custom_icon'     => __( 'Custom Floating Button Icon', 'accesly-widget' ),
        'accesly_remove_branding' => __( 'Remove Branding', 'accesly-widget' ),
        'accesly_language'        => __( 'Language Settings', 'accesly-widget' ),
    );

    foreach ( $fields as $id => $title ) {
        add_settings_field( $id, $title, $id . '_callback', 'accesly-settings', 'accesly_settings_section' );
    }
}
add_action( 'admin_init', 'accesly_register_settings' );

function accesly_sanitize_settings_array( $input ) {
    if ( ! is_array( $input ) ) {
        return array();
    }
    // Basic sanitization for the array
    return array_map( function( $value ) {
        return is_array( $value ) ? $value : sanitize_text_field( $value );
    }, $input );
}

function accesly_section_callback() {
    echo '<p>' . esc_html__( 'Configure the settings for the Accessibility Widget here.', 'accesly-widget' ) . '</p>';
}

/**
 * Field Callbacks
 */
function accesly_widget_active_callback() {
    $options = get_option( 'accesly_settings' );
    $active = isset( $options['widget_active'] ) ? $options['widget_active'] : 0;
    echo '<input type="checkbox" name="accesly_settings[widget_active]" value="1" ' . checked( 1, $active, false ) . ' />';
}

function accesly_button_colors_callback() {
    $options = get_option( 'accesly_settings' );
    $colors = isset( $options['button_colors'] ) ? $options['button_colors'] : array('accent' => '#ff0000', 'background' => '#ffffff', 'text' => '#000000');
    foreach ( $colors as $key => $val ) {
        echo '<label>' . esc_html( ucfirst( $key ) ) . ': <input type="color" name="accesly_settings[button_colors][' . esc_attr( $key ) . ']" value="' . esc_attr( $val ) . '" /></label><br>';
    }
}

function accesly_widget_theme_callback() {
    $options = get_option( 'accesly_settings' );
    $theme = isset( $options['widget_theme'] ) ? $options['widget_theme'] : 'modern';
    echo '<select name="accesly_settings[widget_theme]">
        <option value="modern" ' . selected( $theme, 'modern', false ) . '>Modern</option>
        <option value="classic" ' . selected( $theme, 'classic', false ) . '>Classic</option>
    </select>';
}

function accesly_widget_position_callback() {
    $options = get_option( 'accesly_settings' );
    $pos = isset( $options['widget_position'] ) ? $options['widget_position'] : 'unten rechts';
    echo '<select name="accesly_settings[widget_position]">';
    foreach ( array( 'oben rechts', 'oben links', 'unten rechts', 'unten links' ) as $p ) {
        echo '<option value="' . esc_attr( $p ) . '" ' . selected( $pos, $p, false ) . '>' . esc_html( ucwords( $p ) ) . '</option>';
    }
    echo '</select>';
}

function accesly_menu_position_callback() {
    $options = get_option( 'accesly_settings' );
    $menuPos = isset( $options['menu_position'] ) ? $options['menu_position'] : 'rechts';
    echo '<select name="accesly_settings[menu_position]">
        <option value="rechts" ' . selected( $menuPos, 'rechts', false ) . '>Right</option>
        <option value="links" ' . selected( $menuPos, 'links', false ) . '>Left</option>
    </select>';
}

function accesly_shortcode_callback() {
    $options = get_option( 'accesly_settings' );
    $shortcode = isset( $options['shortcode'] ) ? $options['shortcode'] : 0;
    echo '<input type="checkbox" name="accesly_settings[shortcode]" value="1" ' . checked( 1, $shortcode, false ) . ' /> <span>[accesly_widget]</span>';
}

function accesly_excluded_pages_callback() {
    $options = get_option( 'accesly_settings' );
    $excluded = isset( $options['excluded_pages'] ) ? (array)$options['excluded_pages'] : array();
    $pages = get_pages();
    foreach ( $pages as $page ) {
        echo '<label><input type="checkbox" name="accesly_settings[excluded_pages][]" value="' . esc_attr( $page->ID ) . '" ' . checked( in_array( $page->ID, $excluded ), true, false ) . '> ' . esc_html( $page->post_title ) . '</label><br>';
    }
}

function accesly_custom_icon_callback() {
    $options = get_option( 'accesly_settings' );
    $icon = isset( $options['custom_icon'] ) ? $options['custom_icon'] : '';
    echo '<input type="text" id="accesly_custom_icon_url" name="accesly_settings[custom_icon]" value="' . esc_attr( $icon ) . '" />
          <button type="button" id="accesly_upload_icon_button" class="button">' . esc_html__( 'Upload Icon', 'accesly-widget' ) . '</button>';
}

function accesly_remove_branding_callback() {
    $options = get_option( 'accesly_settings' );
    $remove = isset( $options['remove_branding'] ) ? $options['remove_branding'] : 0;
    echo '<input type="checkbox" name="accesly_settings[remove_branding]" value="1" ' . checked( 1, $remove, false ) . ' />';
}

function accesly_language_callback() {
    $options = get_option( 'accesly_settings' );
    $lang = isset( $options['language'] ) ? $options['language'] : 'en';
    $langs = array('browser' => 'Browser Detection', 'de' => 'German', 'en' => 'English', 'fr' => 'French', 'es' => 'Spanish');
    echo '<select name="accesly_settings[language]">';
    foreach ( $langs as $code => $label ) {
        echo '<option value="' . esc_attr( $code ) . '" ' . selected( $lang, $code, false ) . '>' . esc_html( $label ) . '</option>';
    }
    echo '</select>';
}

/**
 * Shortcode & Frontend Include
 */
function accesly_shortcode_widget() {
    ob_start();
    echo '<a href="#" class="aw-shortcode-link" onclick="awOpenMenu(); return false;">' . esc_html__( 'Accessibility Settings', 'accesly-widget' ) . '</a>';
    return ob_get_clean();
}
add_shortcode( 'accesly_widget', 'accesly_shortcode_widget' );

require_once ACCESLY_PLUGIN_DIR . 'includes/widget-frontend.php';

/**
 * License & Cron Handling
 */
add_action( 'admin_post_accesly_activate_license', 'accesly_handle_license_activation' );
add_action( 'admin_post_accesly_deactivate_license', 'accesly_handle_license_deactivation' );
add_action( 'accesly_daily_license_check', 'accesly_daily_license_check' );

function accesly_handle_license_activation() {
    if ( ! isset( $_POST['accesly_license_nonce'] ) || ! wp_verify_nonce( sanitize_key( wp_unslash( $_POST['accesly_license_nonce'] ) ), 'accesly_license_action' ) ) {
        wp_die( esc_html__( 'Security check failed.', 'accesly-widget' ) );
    }

    if ( isset( $_POST['accesly_license_key'] ) ) {
        $key = sanitize_text_field( wp_unslash( $_POST['accesly_license_key'] ) );
        update_option( 'accesly_license_key', $key );
        update_option( 'accesly_license_status', 'active' );
    }

    wp_redirect( admin_url( 'admin.php?page=accesly-settings' ) );
    exit;
}

function accesly_handle_license_deactivation() {
    update_option( 'accesly_license_status', 'inactive' );
    update_option( 'accesly_license_key', '' );
    wp_redirect( admin_url( 'admin.php?page=accesly-settings' ) );
    exit;
}

function accesly_daily_license_check() {}

function accesly_schedule_license_check() {
    if ( ! wp_next_scheduled( 'accesly_daily_license_check' ) ) {
        wp_schedule_event( time(), 'daily', 'accesly_daily_license_check' );
    }
}
add_action( 'wp', 'accesly_schedule_license_check' );