WooNooW/includes/Core/Notifications/TemplateProvider.php

<?php
/**
 * Notification Template Provider
 * 
 * Manages notification templates for all channels.
 * 
 * @package WooNooW\Core\Notifications
 */

namespace WooNooW\Core\Notifications;

class TemplateProvider {
	
	/**
	 * Option key for storing templates
	 */
	const OPTION_KEY = 'woonoow_notification_templates';
	
	/**
	 * Get all templates
	 * 
	 * @return array
	 */
	public static function get_templates() {
		$templates = get_option(self::OPTION_KEY, []);
		
		// Merge with defaults
		$defaults = self::get_default_templates();
		
		return array_merge($defaults, $templates);
	}
	
	/**
	 * Get template for specific event and channel
	 * 
	 * @param string $event_id Event ID
	 * @param string $channel_id Channel ID
	 * @return array|null
	 */
	public static function get_template($event_id, $channel_id) {
		$templates = self::get_templates();
		
		$key = "{$event_id}_{$channel_id}";
		
		if (isset($templates[$key])) {
			return $templates[$key];
		}
		
		// Return default if exists
		$defaults = self::get_default_templates();
		return $defaults[$key] ?? null;
	}
	
	/**
	 * Save template
	 * 
	 * @param string $event_id Event ID
	 * @param string $channel_id Channel ID
	 * @param array $template Template data
	 * @return bool
	 */
	public static function save_template($event_id, $channel_id, $template) {
		$templates = get_option(self::OPTION_KEY, []);
		
		$key = "{$event_id}_{$channel_id}";
		
		$templates[$key] = [
			'event_id' => $event_id,
			'channel_id' => $channel_id,
			'subject' => $template['subject'] ?? '',
			'body' => $template['body'] ?? '',
			'variables' => $template['variables'] ?? [],
			'updated_at' => current_time('mysql'),
		];
		
		return update_option(self::OPTION_KEY, $templates);
	}
	
	/**
	 * Delete template (revert to default)
	 * 
	 * @param string $event_id Event ID
	 * @param string $channel_id Channel ID
	 * @return bool
	 */
	public static function delete_template($event_id, $channel_id) {
		$templates = get_option(self::OPTION_KEY, []);
		
		$key = "{$event_id}_{$channel_id}";
		
		if (isset($templates[$key])) {
			unset($templates[$key]);
			return update_option(self::OPTION_KEY, $templates);
		}
		
		return false;
	}
	
	/**
	 * Get WooCommerce email template content
	 * 
	 * @param string $email_id WooCommerce email ID
	 * @return array|null
	 */
	private static function get_wc_email_template($email_id) {
		if (!function_exists('WC')) {
			return null;
		}
		
		$mailer = WC()->mailer();
		$emails = $mailer->get_emails();
		
		if (isset($emails[$email_id])) {
			$email = $emails[$email_id];
			return [
				'subject' => $email->get_subject(),
				'heading' => $email->get_heading(),
				'enabled' => $email->is_enabled(),
			];
		}
		
		return null;
	}
	
	/**
	 * Get default templates
	 * 
	 * @return array
	 */
	public static function get_default_templates() {
		// Try to load WooCommerce email templates
		$wc_new_order = self::get_wc_email_template('WC_Email_New_Order');
		$wc_processing = self::get_wc_email_template('WC_Email_Customer_Processing_Order');
		$wc_completed = self::get_wc_email_template('WC_Email_Customer_Completed_Order');
		$wc_refunded = self::get_wc_email_template('WC_Email_Customer_Refunded_Order');
		$wc_cancelled = self::get_wc_email_template('WC_Email_Cancelled_Order');
		$wc_new_account = self::get_wc_email_template('WC_Email_Customer_New_Account');
		$wc_customer_note = self::get_wc_email_template('WC_Email_Customer_Note');
		
		return [
			// Email templates - Staff
			'order_placed_email' => [
				'event_id' => 'order_placed',
				'channel_id' => 'email',
				'subject' => $wc_new_order['subject'] ?? __('New Order #{order_number}', 'woonoow'),
				'body' => __("Hi Admin,\n\nYou have received a new order.\n\nOrder Number: {order_number}\nOrder Total: {order_total}\nCustomer: {customer_name}\nEmail: {customer_email}\n\nView order: {order_url}", 'woonoow'),
				'variables' => self::get_order_variables(),
				'wc_email_id' => 'WC_Email_New_Order',
			],
			'order_processing_email' => [
				'event_id' => 'order_processing',
				'channel_id' => 'email',
				'subject' => $wc_processing['subject'] ?? __('Your order #{order_number} is being processed', 'woonoow'),
				'body' => __("Hi {customer_name},\n\nThank you for your order! We're now processing it.\n\nOrder Number: {order_number}\nOrder Total: {order_total}\nPayment Method: {payment_method}\n\nYou can track your order here: {order_url}\n\nBest regards,\n{store_name}", 'woonoow'),
				'variables' => self::get_order_variables(),
				'wc_email_id' => 'WC_Email_Customer_Processing_Order',
			],
			'order_completed_email' => [
				'event_id' => 'order_completed',
				'channel_id' => 'email',
				'subject' => $wc_completed['subject'] ?? __('Your order #{order_number} is complete', 'woonoow'),
				'body' => __("Hi {customer_name},\n\nYour order has been completed and shipped!\n\nOrder Number: {order_number}\nOrder Total: {order_total}\nTracking Number: {tracking_number}\n\nThank you for shopping with us!\n\nBest regards,\n{store_name}", 'woonoow'),
				'variables' => self::get_order_variables(),
				'wc_email_id' => 'WC_Email_Customer_Completed_Order',
			],
			'order_cancelled_email' => [
				'event_id' => 'order_cancelled',
				'channel_id' => 'email',
				'subject' => $wc_cancelled['subject'] ?? __('Order #{order_number} has been cancelled', 'woonoow'),
				'body' => __("Hi Admin,\n\nOrder #{order_number} has been cancelled.\n\nOrder Number: {order_number}\nOrder Total: {order_total}\nCustomer: {customer_name}\n\nView order: {order_url}", 'woonoow'),
				'variables' => self::get_order_variables(),
				'wc_email_id' => 'WC_Email_Cancelled_Order',
			],
			'order_refunded_email' => [
				'event_id' => 'order_refunded',
				'channel_id' => 'email',
				'subject' => $wc_refunded['subject'] ?? __('Your order #{order_number} has been refunded', 'woonoow'),
				'body' => __("Hi {customer_name},\n\nYour order has been refunded.\n\nOrder Number: {order_number}\nRefund Amount: {refund_amount}\n\nThe refund will be processed within 5-7 business days.\n\nBest regards,\n{store_name}", 'woonoow'),
				'variables' => self::get_order_variables(),
				'wc_email_id' => 'WC_Email_Customer_Refunded_Order',
			],
			'low_stock_email' => [
				'event_id' => 'low_stock',
				'channel_id' => 'email',
				'subject' => __('Low Stock Alert: {product_name}', 'woonoow'),
				'body' => __("Hi Admin,\n\nThe following product is running low on stock:\n\nProduct: {product_name}\nSKU: {product_sku}\nCurrent Stock: {stock_quantity}\n\nPlease restock soon.\n\nView product: {product_url}", 'woonoow'),
				'variables' => self::get_product_variables(),
			],
			'out_of_stock_email' => [
				'event_id' => 'out_of_stock',
				'channel_id' => 'email',
				'subject' => __('Out of Stock Alert: {product_name}', 'woonoow'),
				'body' => __("Hi Admin,\n\nThe following product is now out of stock:\n\nProduct: {product_name}\nSKU: {product_sku}\n\nPlease restock immediately.\n\nView product: {product_url}", 'woonoow'),
				'variables' => self::get_product_variables(),
			],
			'new_customer_email' => [
				'event_id' => 'new_customer',
				'channel_id' => 'email',
				'subject' => $wc_new_account['subject'] ?? __('Welcome to {store_name}!', 'woonoow'),
				'body' => __("Hi {customer_name},\n\nWelcome to {store_name}!\n\nYour account has been created successfully.\n\nEmail: {customer_email}\n\nYou can now browse our products and place orders.\n\nVisit our store: {store_url}\n\nBest regards,\n{store_name}", 'woonoow'),
				'variables' => self::get_customer_variables(),
				'wc_email_id' => 'WC_Email_Customer_New_Account',
			],
			'customer_note_email' => [
				'event_id' => 'customer_note',
				'channel_id' => 'email',
				'subject' => $wc_customer_note['subject'] ?? __('Note added to your order #{order_number}', 'woonoow'),
				'body' => __("Hi {customer_name},\n\nA note has been added to your order:\n\nOrder Number: {order_number}\nNote: {note_content}\n\nView order: {order_url}\n\nBest regards,\n{store_name}", 'woonoow'),
				'variables' => self::get_order_variables(),
				'wc_email_id' => 'WC_Email_Customer_Note',
			],
			
			// Push notification templates
			'order_placed_push' => [
				'event_id' => 'order_placed',
				'channel_id' => 'push',
				'subject' => __('New Order #{order_number}', 'woonoow'),
				'body' => __('New order from {customer_name} - {order_total}', 'woonoow'),
				'variables' => self::get_order_variables(),
			],
			'order_processing_push' => [
				'event_id' => 'order_processing',
				'channel_id' => 'push',
				'subject' => __('Order Processing', 'woonoow'),
				'body' => __('Your order #{order_number} is being processed', 'woonoow'),
				'variables' => self::get_order_variables(),
			],
			'order_completed_push' => [
				'event_id' => 'order_completed',
				'channel_id' => 'push',
				'subject' => __('Order Completed', 'woonoow'),
				'body' => __('Your order #{order_number} has been completed!', 'woonoow'),
				'variables' => self::get_order_variables(),
			],
			'low_stock_push' => [
				'event_id' => 'low_stock',
				'channel_id' => 'push',
				'subject' => __('Low Stock Alert', 'woonoow'),
				'body' => __('{product_name} is running low on stock', 'woonoow'),
				'variables' => self::get_product_variables(),
			],
		];
	}
	
	/**
	 * Get available order variables
	 * 
	 * @return array
	 */
	public static function get_order_variables() {
		return [
			'order_number' => __('Order Number', 'woonoow'),
			'order_total' => __('Order Total', 'woonoow'),
			'order_status' => __('Order Status', 'woonoow'),
			'order_date' => __('Order Date', 'woonoow'),
			'order_url' => __('Order URL', 'woonoow'),
			'payment_method' => __('Payment Method', 'woonoow'),
			'shipping_method' => __('Shipping Method', 'woonoow'),
			'tracking_number' => __('Tracking Number', 'woonoow'),
			'refund_amount' => __('Refund Amount', 'woonoow'),
			'customer_name' => __('Customer Name', 'woonoow'),
			'customer_email' => __('Customer Email', 'woonoow'),
			'customer_phone' => __('Customer Phone', 'woonoow'),
			'billing_address' => __('Billing Address', 'woonoow'),
			'shipping_address' => __('Shipping Address', 'woonoow'),
			'store_name' => __('Store Name', 'woonoow'),
			'store_url' => __('Store URL', 'woonoow'),
			'store_email' => __('Store Email', 'woonoow'),
		];
	}
	
	/**
	 * Get available product variables
	 * 
	 * @return array
	 */
	public static function get_product_variables() {
		return [
			'product_name' => __('Product Name', 'woonoow'),
			'product_sku' => __('Product SKU', 'woonoow'),
			'product_url' => __('Product URL', 'woonoow'),
			'stock_quantity' => __('Stock Quantity', 'woonoow'),
			'store_name' => __('Store Name', 'woonoow'),
			'store_url' => __('Store URL', 'woonoow'),
		];
	}
	
	/**
	 * Get available customer variables
	 * 
	 * @return array
	 */
	public static function get_customer_variables() {
		return [
			'customer_name' => __('Customer Name', 'woonoow'),
			'customer_email' => __('Customer Email', 'woonoow'),
			'customer_phone' => __('Customer Phone', 'woonoow'),
			'store_name' => __('Store Name', 'woonoow'),
			'store_url' => __('Store URL', 'woonoow'),
			'store_email' => __('Store Email', 'woonoow'),
		];
	}
	
	/**
	 * Replace variables in template
	 * 
	 * @param string $content Content with variables
	 * @param array $data Data to replace variables
	 * @return string
	 */
	public static function replace_variables($content, $data) {
		foreach ($data as $key => $value) {
			$content = str_replace('{' . $key . '}', $value, $content);
		}
		
		return $content;
	}
}