<?php

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

function adwings_chat_enqueue_widget() {
    if (is_admin()) {
        return;
    }

    $site_key = get_option('adwings_chat_site_key');
    if (empty($site_key)) {
        return;
    }

    $server_url = get_option('adwings_chat_server_url');
    if (empty($server_url)) {
        $server_url = ADWINGS_CHAT_DEFAULT_SERVER_URL;
    }

    $color = get_option('adwings_chat_widget_color', '#4F46E5');
    $position = get_option('adwings_chat_widget_position', 'bottom-right');

    $widget_url = get_option('adwings_chat_widget_url');
    $script_url = !empty($widget_url)
        ? $widget_url
        : rtrim($server_url, '/') . '/chat.js';

    wp_enqueue_script(
        'adwings-chat-platform-widget',
        esc_url($script_url),
        [],
        ADWINGS_CHAT_VERSION,
        ['strategy' => 'defer', 'in_footer' => true]
    );

    add_filter('script_loader_tag', 'adwings_chat_filter_script_tag', 10, 2);
}

function adwings_chat_filter_script_tag($tag, $handle) {
    if ($handle !== 'adwings-chat-platform-widget') {
        return $tag;
    }

    $site_key = get_option('adwings_chat_site_key');
    $server_url = get_option('adwings_chat_server_url');
    if (empty($server_url)) {
        $server_url = ADWINGS_CHAT_DEFAULT_SERVER_URL;
    }
    $color = get_option('adwings_chat_widget_color', '#4F46E5');
    $position = get_option('adwings_chat_widget_position', 'bottom-right');
    $auto_open = get_option('adwings_chat_widget_auto_open', '0') === '1';

    return str_replace(
        ' src=',
        sprintf(
            ' data-key="%s" data-server="%s" data-color="%s" data-position="%s"%s src=',
            esc_attr($site_key),
            esc_url($server_url),
            esc_attr($color),
            esc_attr($position),
            $auto_open ? ' data-auto-open="true"' : ''
        ),
        $tag
    );
}

add_action('wp_enqueue_scripts', 'adwings_chat_enqueue_widget');