<?php
if (!defined('ABSPATH')) {
    exit;
}

class Accelvia_Connect_Admin
{

    private $plugin_name;
    private $version;
    private $option_name = 'accelvia_connect_buttons';

    public function __construct($plugin_name, $version)
    {
        $this->plugin_name = $plugin_name;
        $this->version = $version;
    }

    public function enqueue_styles($hook)
    {
        if ('settings_page_accelvia-connect' !== $hook) {
            return;
        }
        wp_enqueue_style($this->plugin_name, plugin_dir_url(dirname(__FILE__)) . 'admin/css/accelvia-connect-admin.css', array(), $this->version, 'all');
    }

    public function enqueue_scripts($hook)
    {
        if ('settings_page_accelvia-connect' !== $hook) {
            return;
        }
        wp_enqueue_media();
        wp_enqueue_script($this->plugin_name, plugin_dir_url(dirname(__FILE__)) . 'admin/js/accelvia-connect-admin.js', array('jquery', 'jquery-ui-sortable'), $this->version, false);
        wp_localize_script(
            $this->plugin_name,
            'accelviaAdminData',
            array(
                'confirmRemove' => __('Are you sure you want to remove this button?', 'accelvia-connect-floating-cta'),
                'selectIcon'    => __('Select Custom Icon', 'accelvia-connect-floating-cta'),
                'useIcon'       => __('Use this icon', 'accelvia-connect-floating-cta'),
                'scrollPercent' => __('Scroll Percentage (%)', 'accelvia-connect-floating-cta'),
                'delaySeconds'  => __('Delay in seconds', 'accelvia-connect-floating-cta'),
            )
        );
    }

    public function add_plugin_admin_menu()
    {
        add_options_page(
            __('Accelvia Connect - Floating CTA', 'accelvia-connect-floating-cta'),
            __('Accelvia Connect - Floating CTA', 'accelvia-connect-floating-cta'),
            'manage_options',
            $this->plugin_name,
            array($this, 'display_plugin_setup_page')
        );
    }

    public function register_settings()
    {
        register_setting(
            'accelvia_connect_option_group',
            $this->option_name,
            array(
                'type'              => 'array',
                'sanitize_callback' => array($this, 'sanitize_buttons_data')
            )
        );
    }

    /**
     * Sanitize the plugin settings array
     */
    public function sanitize_buttons_data($input)
    {
        $sanitized = array();

        // Sanitize global settings
        if (isset($input['global'])) {
            $sanitized['global']['position'] = in_array($input['global']['position'], array('left', 'right')) ? $input['global']['position'] : 'right';
            $sanitized['global']['animation'] = in_array($input['global']['animation'], array('none', 'bounce', 'pulse', 'shake', 'spin', 'fade')) ? $input['global']['animation'] : 'bounce';
            $sanitized['global']['spacing'] = absint($input['global']['spacing']);
            $sanitized['global']['horizontal_offset'] = absint(isset($input['global']['horizontal_offset']) ? $input['global']['horizontal_offset'] : 20);
            $sanitized['global']['button_size'] = max(30, min(120, absint(isset($input['global']['button_size']) ? $input['global']['button_size'] : 60)));
            $sanitized['global']['vertical_position'] = in_array(
                isset($input['global']['vertical_position']) ? $input['global']['vertical_position'] : 'bottom',
                array('bottom', 'middle', 'top')
            ) ? $input['global']['vertical_position'] : 'bottom';

            // Smart Visibility
            $sanitized['global']['visibility'] = in_array(
                isset($input['global']['visibility']) ? $input['global']['visibility'] : 'everywhere',
                array('everywhere', 'homepage', 'exclude_pages')
            ) ? $input['global']['visibility'] : 'everywhere';
            $sanitized['global']['exclude_pages'] = sanitize_text_field(isset($input['global']['exclude_pages']) ? $input['global']['exclude_pages'] : '');

            // Display Triggers
            $sanitized['global']['trigger_type'] = in_array(
                isset($input['global']['trigger_type']) ? $input['global']['trigger_type'] : 'immediate',
                array('immediate', 'delay', 'scroll')
            ) ? $input['global']['trigger_type'] : 'immediate';
            $sanitized['global']['trigger_value'] = absint(isset($input['global']['trigger_value']) ? $input['global']['trigger_value'] : 0);

            // Analytics
            $sanitized['global']['analytics_ga4'] = isset($input['global']['analytics_ga4']) ? '1' : '0';
            $sanitized['global']['analytics_meta'] = isset($input['global']['analytics_meta']) ? '1' : '0';

            // Business Hours
            $sanitized['global']['business_hours_enabled'] = isset($input['global']['business_hours_enabled']) ? '1' : '0';
            $sanitized['global']['business_hours_start'] = sanitize_text_field(isset($input['global']['business_hours_start']) ? $input['global']['business_hours_start'] : '09:00');
            $sanitized['global']['business_hours_end'] = sanitize_text_field(isset($input['global']['business_hours_end']) ? $input['global']['business_hours_end'] : '17:00');

            // Business hours days
            $valid_days = array('mon', 'tue', 'wed', 'thu', 'fri', 'sat', 'sun');
            $selected_days = isset($input['global']['business_hours_days']) && is_array($input['global']['business_hours_days'])
                ? array_intersect($input['global']['business_hours_days'], $valid_days)
                : array();
            $sanitized['global']['business_hours_days'] = array_values($selected_days);

        }

        // Sanitize buttons array
        if (isset($input['buttons']) && is_array($input['buttons'])) {
            foreach ($input['buttons'] as $index => $button) {
                $sanitized_button = array();

                $sanitized_button['type'] = in_array($button['type'], array('whatsapp', 'call', 'email', 'link', 'telegram', 'discord')) ? $button['type'] : 'link';
                
                // Type-aware sanitization
                switch ($sanitized_button['type']) {
                    case 'link':
                    case 'discord':
                        $sanitized_button['link'] = esc_url_raw($button['link']);
                        break;
                    case 'email':
                        $sanitized_button['link'] = sanitize_email($button['link']);
                        break;
                    case 'whatsapp':
                    case 'call':
                    case 'telegram':
                    default:
                        $sanitized_button['link'] = sanitize_text_field($button['link']);
                        break;
                }
                $sanitized_button['color'] = sanitize_hex_color($button['color']);
                $sanitized_button['bg_opacity'] = isset($button['bg_opacity']) ? max(0, min(100, intval($button['bg_opacity']))) : 100;
                $sanitized_button['label'] = sanitize_text_field(isset($button['label']) ? $button['label'] : '');
                $sanitized_button['whatsapp_message'] = sanitize_text_field(isset($button['whatsapp_message']) ? $button['whatsapp_message'] : '');
                $sanitized_button['hide_mobile'] = isset($button['hide_mobile']) ? '1' : '0';
                $sanitized_button['hide_desktop'] = isset($button['hide_desktop']) ? '1' : '0';

                // Badge & Greeting
                $sanitized_button['badge_text'] = sanitize_text_field(isset($button['badge_text']) ? $button['badge_text'] : '');
                $sanitized_button['greeting_text'] = sanitize_text_field(isset($button['greeting_text']) ? $button['greeting_text'] : '');
                $sanitized_button['greeting_delay'] = absint(isset($button['greeting_delay']) ? $button['greeting_delay'] : 3);
                $sanitized_button['custom_class'] = sanitize_html_class(isset($button['custom_class']) ? $button['custom_class'] : '');
                $sanitized_button['custom_icon'] = esc_url_raw(isset($button['custom_icon']) ? $button['custom_icon'] : '');
                $sanitized_button['lottie_url'] = esc_url_raw(isset($button['lottie_url']) ? $button['lottie_url'] : '');
                $sanitized_button['lottie_hide_bg'] = isset($button['lottie_hide_bg']) ? '1' : '0';

                // Skip adding completely empty buttons
                if (!empty($sanitized_button['link']) || $sanitized_button['type'] !== 'link' || !empty($sanitized_button['label'])) {
                    $sanitized['buttons'][] = $sanitized_button;
                }
            }
        }

        return $sanitized;
    }

    public function display_plugin_setup_page()
    {
        require_once plugin_dir_path(dirname(__FILE__)) . 'admin/views/settings-page.php';
    }
}