<?php
/**
 * Plugin Name: Aiy Sales Chat for WooCommerce
 * Plugin URI: https://aiy.ro/aiy-sales-chat
 * Description: An AI-powered sales assistant for your store. Automatically answers customer questions using context from the product page.
 * Version: 1.0.0
 * Author: Beke
 * Author URI: https://aiy.ro/
 * License: GPLv2 or later
 * Text Domain: aiy-sales-chat
 */

if (!defined('ABSPATH')) {
    exit;
}

// Define Constants
if (!defined('WPAIC_VERSION')) {
    define('WPAIC_VERSION', '1.2.1');
}
if (!defined('WPAIC_PLUGIN_DIR')) {
    define('WPAIC_PLUGIN_DIR', plugin_dir_path(__FILE__));
}
if (!defined('WPAIC_PLUGIN_URL')) {
    define('WPAIC_PLUGIN_URL', plugin_dir_url(__FILE__));
}

// Include Classes
require_once WPAIC_PLUGIN_DIR . 'includes/class-settings.php';
require_once WPAIC_PLUGIN_DIR . 'includes/class-ajax.php';
require_once WPAIC_PLUGIN_DIR . 'includes/class-admin-ui.php';

// Initialize Plugin
if (!function_exists('wpaic_init')) {
    function wpaic_init()
    {
        // Text domain is loaded automatically by WordPress.org


        if (class_exists('WPAIC_Settings')) {
            $settings = new WPAIC_Settings();
        }
        if (class_exists('WPAIC_Ajax')) {
            $ajax = new WPAIC_Ajax();
        }
        if (class_exists('WPAIC_Admin_UI')) {
            $admin_ui = new WPAIC_Admin_UI();
        }
    }
}
add_action('plugins_loaded', 'wpaic_init');

// Activation Hook (Create DB Table)
register_activation_hook(__FILE__, 'wpaic_activate');
if (!function_exists('wpaic_activate')) {
    function wpaic_activate()
    {
        require_once WPAIC_PLUGIN_DIR . 'includes/class-activator.php';
        if (class_exists('WPAIC_Activator')) {
            WPAIC_Activator::activate();
        }
    }
}

// Enqueue Admin Scripts
if (!function_exists('wpaic_enqueue_admin_scripts')) {
    function wpaic_enqueue_admin_scripts()
    {
        wp_enqueue_style('wpaic-admin-style', WPAIC_PLUGIN_URL . 'assets/css/admin.css', array(), WPAIC_VERSION);
    }
}
add_action('admin_enqueue_scripts', 'wpaic_enqueue_admin_scripts');

// Enqueue Scripts & Styles (Frontend)
if (!function_exists('wpaic_enqueue_scripts')) {
    function wpaic_enqueue_scripts()
    {
        // 1. Display Location Logic
        $location = get_option('wpaic_display_location', 'all');
        $should_load = false;


        if ($location === 'all') {
            $should_load = true;
        } elseif ($location === 'shop_products' && function_exists('is_product') && (is_shop() || is_product() || is_product_category() || is_product_tag())) {
            $should_load = true;
        } elseif ($location === 'products' && function_exists('is_product') && is_product()) {
            $should_load = true;
        } elseif ($location === 'cart_checkout' && function_exists('is_cart') && (is_cart() || is_checkout())) {
            $should_load = true;
        }

        if (!$should_load) {
            return;
        }

        // Only load if AI Key is set
        $api_key = get_option('wpaic_gemini_api_key');
        if (empty($api_key)) {
            return;
        }

        wp_enqueue_style('wpaic-style', WPAIC_PLUGIN_URL . 'assets/css/style.css', array(), WPAIC_VERSION);
        wp_enqueue_script('wpaic-widget', WPAIC_PLUGIN_URL . 'assets/js/widget.js', array(), WPAIC_VERSION, true);

        // Get Product ID if available
        $current_product_id = 0;
        if (function_exists('is_product') && is_product()) {
            $current_product_id = get_the_ID();
        }

        // Pass PHP data to JS
        wp_localize_script('wpaic-widget', 'wpaic_vars', array(
            'ajax_url' => admin_url('admin-ajax.php'),
            'nonce' => wp_create_nonce('wpaic_nonce'),
            'brand_color' => get_option('wpaic_brand_color', '#007bff'),
            'welcome_message' => get_option('wpaic_welcome_message', 'Hi! How can I help you today?'),
            'chat_title' => get_option('wpaic_chat_title', 'Sales Assistant'),
            'bot_avatar_url' => get_option('wpaic_bot_avatar_url', ''),
            'copy_trigger_enabled' => get_option('wpaic_copy_trigger_enabled', '1'),
            'exit_intent_enabled' => get_option('wpaic_exit_intent_enabled', '0'),
            'time_trigger_enabled' => get_option('wpaic_time_trigger_enabled', '0'),
            'add_to_cart_enabled' => get_option('wpaic_add_to_cart_enabled', '0'),
            'copy_trigger_text' => get_option('wpaic_copy_trigger_text', "I noticed you copied the text. Are you comparing <b>{product_name}</b>? Let's chat about the best deal right here!"),
            'footer_text' => get_option('wpaic_footer_text', ''),
            'product_id' => $current_product_id,
            'site_url' => site_url(),
            'wc_ajax_url' => '/?wc-ajax='
        ));
    }
}
add_action('wp_enqueue_scripts', 'wpaic_enqueue_scripts');