-- Migration: Add tables for push notifications, loyalty program, and integration settings
-- Run this in phpMyAdmin

-- Push notification subscriptions
CREATE TABLE IF NOT EXISTS `push_subscriptions` (
  `id` INT AUTO_INCREMENT PRIMARY KEY,
  `customer_id` VARCHAR(50) DEFAULT NULL,
  `endpoint` TEXT NOT NULL,
  `p256dh_key` VARCHAR(255) NOT NULL,
  `auth_key` VARCHAR(255) NOT NULL,
  `is_active` TINYINT(1) DEFAULT 1,
  `created_at` TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
  `updated_at` TIMESTAMP DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
  INDEX `idx_customer` (`customer_id`),
  INDEX `idx_active` (`is_active`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;

-- Push notifications queue
CREATE TABLE IF NOT EXISTS `push_notifications` (
  `id` INT AUTO_INCREMENT PRIMARY KEY,
  `notification_id` VARCHAR(50) NOT NULL UNIQUE,
  `subscription_endpoint` TEXT NOT NULL,
  `payload` TEXT NOT NULL,
  `status` ENUM('pending', 'sent', 'failed') DEFAULT 'pending',
  `error_message` TEXT DEFAULT NULL,
  `created_at` TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
  `sent_at` TIMESTAMP NULL DEFAULT NULL,
  INDEX `idx_status` (`status`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;

-- Loyalty transactions history
CREATE TABLE IF NOT EXISTS `loyalty_transactions` (
  `id` INT AUTO_INCREMENT PRIMARY KEY,
  `transaction_id` VARCHAR(50) NOT NULL UNIQUE,
  `customer_id` VARCHAR(50) NOT NULL,
  `points` INT NOT NULL,
  `type` ENUM('earn', 'redeem', 'tier_upgrade', 'birthday_bonus', 'referral_bonus', 'referral_welcome', 'adjustment', 'expiry') NOT NULL,
  `description` VARCHAR(255) DEFAULT NULL,
  `reference_amount` DECIMAL(10,2) DEFAULT NULL,
  `created_at` TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
  INDEX `idx_customer` (`customer_id`),
  INDEX `idx_type` (`type`),
  INDEX `idx_created` (`created_at`),
  FOREIGN KEY (`customer_id`) REFERENCES `customers`(`customer_id`) ON DELETE CASCADE
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;

-- Add lifetime_points and loyalty_tier to customers
ALTER TABLE `customers` 
  ADD COLUMN IF NOT EXISTS `lifetime_points` INT DEFAULT 0 AFTER `reward_points`,
  ADD COLUMN IF NOT EXISTS `loyalty_tier` ENUM('bronze', 'silver', 'gold', 'platinum') DEFAULT 'bronze' AFTER `lifetime_points`,
  ADD COLUMN IF NOT EXISTS `birthday` DATE DEFAULT NULL AFTER `loyalty_tier`,
  ADD COLUMN IF NOT EXISTS `referral_code` VARCHAR(20) DEFAULT NULL AFTER `birthday`,
  ADD COLUMN IF NOT EXISTS `referred_by` VARCHAR(50) DEFAULT NULL AFTER `referral_code`;

-- Add unique index on referral_code
ALTER TABLE `customers` ADD UNIQUE INDEX IF NOT EXISTS `idx_referral_code` (`referral_code`);

-- Update settings table with integration keys (INSERT IGNORE to not overwrite existing)
INSERT IGNORE INTO `settings` (`setting_key`, `setting_value`, `updated_at`) VALUES 
('sendgrid_api_key', '', NOW()),
('sendgrid_from_email', 'noreply@tomsjavajive.com', NOW()),
('sendgrid_from_name', 'Tom''s Java Jive', NOW()),
('twilio_account_sid', '', NOW()),
('twilio_auth_token', '', NOW()),
('twilio_phone_number', '', NOW()),
('vapid_public_key', '', NOW()),
('vapid_private_key', '', NOW()),
('loyalty_enabled', '1', NOW()),
('email_notifications_enabled', '1', NOW()),
('sms_notifications_enabled', '0', NOW()),
('push_notifications_enabled', '1', NOW());

-- Add Stripe checkout session column to orders
ALTER TABLE `orders` ADD COLUMN IF NOT EXISTS `stripe_checkout_session` VARCHAR(255) DEFAULT NULL AFTER `stripe_payment_intent`;

-- Payment transactions table for tracking payment attempts
CREATE TABLE IF NOT EXISTS `payment_transactions` (
  `id` INT AUTO_INCREMENT PRIMARY KEY,
  `transaction_id` VARCHAR(50) NOT NULL UNIQUE,
  `order_id` VARCHAR(50) NOT NULL,
  `customer_id` VARCHAR(50) DEFAULT NULL,
  `amount` DECIMAL(10,2) NOT NULL,
  `currency` VARCHAR(3) DEFAULT 'USD',
  `payment_method` VARCHAR(50) DEFAULT 'stripe',
  `stripe_session_id` VARCHAR(255) DEFAULT NULL,
  `stripe_payment_intent` VARCHAR(255) DEFAULT NULL,
  `status` ENUM('initiated', 'pending', 'processing', 'succeeded', 'failed', 'cancelled', 'refunded') DEFAULT 'initiated',
  `metadata` JSON DEFAULT NULL,
  `created_at` TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
  `updated_at` TIMESTAMP DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
  INDEX `idx_order` (`order_id`),
  INDEX `idx_customer` (`customer_id`),
  INDEX `idx_status` (`status`),
  INDEX `idx_stripe_session` (`stripe_session_id`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;