<?php
/**
 * Plugin Name: A11yKit Accessibility
 * Plugin URI:  https://wordpress.org/plugins/a11ykit-accessibility
 * Description: A comprehensive accessibility plugin for WordPress with all WCAG 2.1 options including skip links, focus management, screen reader tools, contrast controls, font sizing, keyboard navigation, ARIA landmarks, and more.
 * Version:     1.0.0
 * Author: Md. Shahinur Islam
 * Author URI: https://profiles.wordpress.org/shahinurislam
 * License:     GPL-2.0+
 * License URI: http://www.gnu.org/licenses/gpl-2.0.txt
 * Text Domain: a11ykit-accessibility
 */

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

define( 'WPAS_VERSION',     '1.0.0' );
define( 'WPAS_PLUGIN_DIR',  plugin_dir_path( __FILE__ ) );
define( 'WPAS_PLUGIN_URL',  plugin_dir_url( __FILE__ ) );
define( 'WPAS_PLUGIN_FILE', __FILE__ );

// Default settings
function wpas_default_settings() {
    return array(
        // Skip Links
        'skip_links_enabled'          => 1,
        'skip_to_content_text'        => 'Skip to content',
        'skip_to_nav_text'            => 'Skip to navigation',
        'skip_to_footer_text'         => 'Skip to footer',
        'skip_links_style'            => 'default',

        // Focus Management
        'focus_outline_enabled'       => 1,
        'focus_outline_color'         => '#005fcc',
        'focus_outline_width'         => '3',
        'focus_outline_style'         => 'solid',
        'remove_outline_disabled'     => 0,

        // Font Size Controls
        'font_resizer_enabled'        => 1,
        'font_resizer_position'       => 'bottom-right',
        'font_min_size'               => '80',
        'font_max_size'               => '150',
        'font_default_size'           => '100',
        'font_step'                   => '10',

        // Color / Contrast
        'contrast_switcher_enabled'   => 1,
        'high_contrast_enabled'       => 1,
        'dark_mode_enabled'           => 1,
        'grayscale_enabled'           => 1,
        'invert_colors_enabled'       => 1,
        'contrast_position'           => 'bottom-right',

        // Links
        'underline_links'             => 0,
        'highlight_links'             => 0,
        'link_indicator_enabled'      => 0,
        'external_link_indicator'     => 1,
        'new_tab_warning'             => 1,

        // Images
        'image_alt_check'             => 1,
        'show_missing_alt_admin'      => 1,
        'decorative_empty_alt'        => 1,

        // Forms
        'label_check_enabled'         => 1,
        'required_field_indicator'    => 1,
        'error_summary_enabled'       => 1,

        // Keyboard Navigation
        'keyboard_nav_enabled'        => 1,
        'tab_index_fix'               => 1,
        'arrow_key_nav'               => 0,

        // Screen Reader
        'sr_only_css_enabled'         => 1,
        'screen_reader_text_links'    => 1,
        'read_more_text'              => 'Read more about %s',

        // ARIA & Landmarks
        'aria_landmarks_enabled'      => 1,
        'auto_aria_labels'            => 1,
        'page_title_aria'             => 1,

        // Animation / Motion
        'reduce_motion_enabled'       => 1,
        'pause_animations'            => 1,

        // Toolbar
        'toolbar_enabled'             => 1,
        'toolbar_position'            => 'bottom-right',
        'toolbar_color'               => '#1a73e8',
        'toolbar_show_font_resize'    => 1,
        'toolbar_show_contrast'       => 1,
        'toolbar_show_grayscale'      => 1,
        'toolbar_show_links'          => 1,
        'toolbar_show_cursor'         => 1,
        'toolbar_show_reading_guide'  => 1,
        'toolbar_show_dyslexia_font'  => 1,

        // Dyslexia
        'dyslexia_font_enabled'       => 1,

        // Reading Guide
        'reading_guide_enabled'       => 1,

        // Big Cursor
        'big_cursor_enabled'          => 1,

        // Page Structure
        'heading_structure_check'     => 1,
        'auto_fix_heading_order'      => 0,

        // Tables
        'table_accessibility'         => 1,
        'table_scope_fix'             => 1,

        // Media
        'video_captions_notice'       => 1,
        'audio_transcript_notice'     => 1,
    );
}

// Install / activation
register_activation_hook( __FILE__, 'wpas_activate' );
function wpas_activate() {
    $defaults = wpas_default_settings();
    if ( ! get_option( 'wpas_settings' ) ) {
        update_option( 'wpas_settings', $defaults );
    }
}

register_deactivation_hook( __FILE__, 'wpas_deactivate' );
function wpas_deactivate() {
    // Nothing destructive on deactivate
}

// Load includes
require_once WPAS_PLUGIN_DIR . 'includes/helpers.php';
require_once WPAS_PLUGIN_DIR . 'includes/frontend.php';
require_once WPAS_PLUGIN_DIR . 'includes/checks.php';
require_once WPAS_PLUGIN_DIR . 'admin/admin-page.php';