Add initial WPSlug plugin files

Introduce core plugin files including admin interface, conversion logic, settings, and supporting assets (CSS/JS). This sets up the main structure for slug conversion, optimization, and admin configuration.

wpslug.php

@@ -0,0 +1,228 @@
+<?php
+
+/*
+Plugin Name: WPSlug - Smart Permalink Manager
+Plugin URI: https://wpslug.com
+Description: Advanced slug management plugin with Chinese Pinyin support and SEO optimization.
+Version: 1.0.0
+Author: WPSlug.com
+Author URI: https://wpslug.com
+License: GPL2
+Text Domain: wpslug
+Domain Path: /languages
+*/
+
+if (!defined("ABSPATH")) {
+    exit();
+}
+
+define("WPSLUG_VERSION", "1.0.0");
+define("WPSLUG_PLUGIN_DIR", plugin_dir_path(__FILE__));
+define("WPSLUG_PLUGIN_URL", plugin_dir_url(__FILE__));
+define("WPSLUG_PLUGIN_BASENAME", plugin_basename(__FILE__));
+
+class WPSlug
+{
+    private static $instance = null;
+    private $core = null;
+
+    public static function getInstance()
+    {
+        if (self::$instance === null) {
+            self::$instance = new self();
+        }
+        return self::$instance;
+    }
+
+    private function __construct()
+    {
+        add_action("plugins_loaded", [$this, "loadPlugin"]);
+        register_activation_hook(__FILE__, [$this, "activate"]);
+        register_deactivation_hook(__FILE__, [$this, "deactivate"]);
+        register_uninstall_hook(__FILE__, ["WPSlug", "uninstall"]);
+        
+        add_action('init', [$this, 'initLanguages']);
+    }
+
+    public function loadPlugin()
+    {
+        if (!$this->checkRequirements()) {
+            return;
+        }
+
+        $this->loadDependencies();
+        $this->loadTextdomain();
+        $this->core = new WPSlug_Core();
+    }
+
+    private function checkRequirements()
+    {
+        if (version_compare(PHP_VERSION, "7.0", "<")) {
+            add_action('admin_notices', function() {
+                echo '<div class="notice notice-error"><p>';
+                echo esc_html__('WP Slug requires PHP 7.0 or higher. Please upgrade your PHP version.', 'wpslug');
+                echo '</p></div>';
+            });
+            return false;
+        }
+
+        if (version_compare(get_bloginfo("version"), "5.0", "<")) {
+            add_action('admin_notices', function() {
+                echo '<div class="notice notice-error"><p>';
+                echo esc_html__('WP Slug requires WordPress 5.0 or higher. Please upgrade your WordPress version.', 'wpslug');
+                echo '</p></div>';
+            });
+            return false;
+        }
+
+        return true;
+    }
+
+    private function loadDependencies()
+    {
+        require_once WPSLUG_PLUGIN_DIR . "includes/class-wpslug-validator.php";
+        require_once WPSLUG_PLUGIN_DIR . "includes/class-wpslug-settings.php";
+        require_once WPSLUG_PLUGIN_DIR . "includes/class-wpslug-pinyin.php";
+        require_once WPSLUG_PLUGIN_DIR . "includes/class-wpslug-optimizer.php";
+        require_once WPSLUG_PLUGIN_DIR . "includes/class-wpslug-transliterator.php";
+        require_once WPSLUG_PLUGIN_DIR . "includes/class-wpslug-translator.php";
+        require_once WPSLUG_PLUGIN_DIR . "includes/class-wpslug-converter.php";
+        require_once WPSLUG_PLUGIN_DIR . "includes/class-wpslug-core.php";
+
+        if (is_admin()) {
+            require_once WPSLUG_PLUGIN_DIR . "includes/class-wpslug-admin.php";
+        }
+    }
+
+    public function initLanguages()
+    {
+        $locale = apply_filters('plugin_locale', get_locale(), 'wpslug');
+        $mo_file = WPSLUG_PLUGIN_DIR . "languages/wpslug-{$locale}.mo";
+        
+        if (file_exists($mo_file)) {
+            load_textdomain('wpslug', $mo_file);
+        }
+    }
+
+    public function loadTextdomain()
+    {
+        load_plugin_textdomain(
+            "wpslug",
+            false,
+            dirname(plugin_basename(__FILE__)) . "/languages/"
+        );
+    }
+
+    public function activate()
+    {
+        if (!function_exists("is_plugin_active")) {
+            require_once ABSPATH . "wp-admin/includes/plugin.php";
+        }
+
+        if (!$this->checkRequirements()) {
+            deactivate_plugins(plugin_basename(__FILE__));
+            wp_die(
+                esc_html__('WP Slug plugin requirements not met. Please check your PHP and WordPress versions.', 'wpslug'),
+                esc_html__('Plugin Activation Error', 'wpslug'),
+                array('back_link' => true)
+            );
+        }
+
+        $this->loadDependencies();
+        
+        try {
+            $settings = new WPSlug_Settings();
+            $settings->createDefaultOptions();
+            
+            $core = new WPSlug_Core();
+            $core->activate();
+            
+            add_option('wpslug_activation_redirect', true);
+            
+        } catch (Exception $e) {
+            error_log('WP Slug activation error: ' . $e->getMessage());
+            wp_die(
+                esc_html__('An error occurred during plugin activation. Please check your server logs.', 'wpslug'),
+                esc_html__('Plugin Activation Error', 'wpslug'),
+                array('back_link' => true)
+            );
+        }
+    }
+
+    public function deactivate()
+    {
+        try {
+            if ($this->core) {
+                $this->core->deactivate();
+            }
+            
+            delete_option('wpslug_activation_redirect');
+            
+        } catch (Exception $e) {
+            error_log('WP Slug deactivation error: ' . $e->getMessage());
+        }
+    }
+
+    public static function uninstall()
+    {
+        try {
+            if (class_exists("WPSlug_Settings")) {
+                $settings = new WPSlug_Settings();
+                $settings->uninstall();
+            }
+            
+            delete_option('wpslug_activation_redirect');
+            
+        } catch (Exception $e) {
+            error_log('WP Slug uninstall error: ' . $e->getMessage());
+        }
+    }
+
+    public function getCore()
+    {
+        return $this->core;
+    }
+
+    public function getSettings()
+    {
+        if ($this->core) {
+            return $this->core->getSettings();
+        }
+        return null;
+    }
+
+    public function getConverter()
+    {
+        if ($this->core) {
+            return $this->core->getConverter();
+        }
+        return null;
+    }
+
+    public function getOptimizer()
+    {
+        if ($this->core) {
+            return $this->core->getOptimizer();
+        }
+        return null;
+    }
+}
+
+function wpslug()
+{
+    return WPSlug::getInstance();
+}
+
+if (is_admin()) {
+    add_action('admin_init', function() {
+        if (get_option('wpslug_activation_redirect', false)) {
+            delete_option('wpslug_activation_redirect');
+            if (!isset($_GET['activate-multi'])) {
+                wp_safe_redirect(admin_url('options-general.php?page=wpslug'));
+                exit;
+            }
+        }
+    });
+}
+
+wpslug();