CREATE TABLE `access_tokens` (
  `id` INT NOT NULL AUTO_INCREMENT,
  `user_id` INT NOT NULL,
  `name` VARCHAR(100) NOT NULL,
  `token` VARCHAR(255) NOT NULL UNIQUE,
  `permissions` JSON NOT NULL,
  `ip_restrictions` TEXT DEFAULT NULL,
  `expires_at` DATETIME DEFAULT NULL,
  `status` ENUM('active','revoked') DEFAULT 'active',
  `last_used` TIMESTAMP NULL DEFAULT NULL,
  `usage_count` INT DEFAULT 0,
  `metadata` JSON DEFAULT NULL,
  `created_at` TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
  PRIMARY KEY (`id`),
  KEY `idx_user_id` (`user_id`),
  KEY `idx_expires_at` (`expires_at`),
  CONSTRAINT `fk_access_tokens_user` FOREIGN KEY (`user_id`) REFERENCES `users` (`id`) ON DELETE CASCADE
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_0900_ai_ci;

CREATE TABLE `admin_payments` (
  `id` INT NOT NULL AUTO_INCREMENT,
  `user_id` INT NOT NULL,
  `amount` DECIMAL(10,2) NOT NULL,
  `mpesa_code` VARCHAR(20) UNIQUE NOT NULL,
  `phone_number` VARCHAR(20) NOT NULL,
  `status` ENUM('pending','verified','rejected') DEFAULT 'pending',
  `verified_by` INT DEFAULT NULL,
  `verified_at` TIMESTAMP NULL DEFAULT NULL,
  `created_at` TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
  PRIMARY KEY (`id`),
  KEY `idx_user_id` (`user_id`),
  CONSTRAINT `fk_admin_payments_user` FOREIGN KEY (`user_id`) REFERENCES `users` (`id`) ON DELETE CASCADE
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_0900_ai_ci;

CREATE TABLE `advertisement_payments` (
  `id` INT NOT NULL AUTO_INCREMENT,
  `advertisement_id` INT NOT NULL,
  `user_id` INT NOT NULL,
  `amount` DECIMAL(10,2) NOT NULL,
  `payment_method` ENUM('mpesa','bank_transfer','wallet','card') DEFAULT 'mpesa',
  `transaction_code` VARCHAR(100) UNIQUE,
  `status` ENUM('pending','completed','failed','refunded') DEFAULT 'pending',
  `payment_date` TIMESTAMP NULL DEFAULT NULL,
  `confirmed_by` INT DEFAULT NULL,
  `confirmed_at` TIMESTAMP NULL DEFAULT NULL,
  `created_at` TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
  PRIMARY KEY (`id`),
  KEY `idx_advertisement_id` (`advertisement_id`),
  KEY `idx_user_id` (`user_id`),
  KEY `idx_confirmed_by` (`confirmed_by`),
  CONSTRAINT `fk_adv_payments_advertisement` FOREIGN KEY (`advertisement_id`) REFERENCES `advertisements` (`id`) ON DELETE CASCADE,
  CONSTRAINT `fk_adv_payments_user` FOREIGN KEY (`user_id`) REFERENCES `users` (`id`) ON DELETE CASCADE,
  CONSTRAINT `fk_adv_payments_confirmer` FOREIGN KEY (`confirmed_by`) REFERENCES `users` (`id`) ON DELETE SET NULL
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_0900_ai_ci;

CREATE TABLE `advertisements` (
  `id` INT NOT NULL AUTO_INCREMENT,
  `user_id` INT NOT NULL,
  `agent_id` INT DEFAULT NULL,
  `title` VARCHAR(255) NOT NULL,
  `description` TEXT,
  `image_url` VARCHAR(500) DEFAULT NULL,
  `video_url` VARCHAR(500) DEFAULT NULL,
  `target_platform` ENUM('facebook','instagram','whatsapp','twitter','all') DEFAULT 'all',
  `budget` DECIMAL(10,2) NOT NULL,
  `duration_days` INT DEFAULT 7,
  `status` ENUM('pending','approved','rejected','active','completed','paused') DEFAULT 'pending',
  `admin_notes` TEXT,
  `approved_by` INT DEFAULT NULL,
  `approved_at` TIMESTAMP NULL DEFAULT NULL,
  `start_date` DATE DEFAULT NULL,
  `end_date` DATE DEFAULT NULL,
  `impressions` INT DEFAULT 0,
  `clicks` INT DEFAULT 0,
  `conversions` INT DEFAULT 0,
  `created_at` TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
  `updated_at` TIMESTAMP DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
  PRIMARY KEY (`id`),
  KEY `idx_user_id` (`user_id`),
  KEY `idx_agent_id` (`agent_id`),
  KEY `idx_approved_by` (`approved_by`),
  CONSTRAINT `fk_ads_user` FOREIGN KEY (`user_id`) REFERENCES `users` (`id`) ON DELETE CASCADE,
  CONSTRAINT `fk_ads_agent` FOREIGN KEY (`agent_id`) REFERENCES `users` (`id`) ON DELETE SET NULL,
  CONSTRAINT `fk_ads_approver` FOREIGN KEY (`approved_by`) REFERENCES `users` (`id`) ON DELETE SET NULL
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_0900_ai_ci;

CREATE TABLE `agent_applications` (
  `id` INT NOT NULL AUTO_INCREMENT,
  `user_id` INT NOT NULL,
  `sponsor_id` INT NOT NULL,
  `full_name` VARCHAR(255) NOT NULL,
  `phone` VARCHAR(20) NOT NULL,
  `email` VARCHAR(255) DEFAULT NULL,
  `location` VARCHAR(255) NOT NULL,
  `id_front` VARCHAR(500) DEFAULT NULL,
  `id_back` VARCHAR(500) DEFAULT NULL,
  `status` ENUM('pending','approved','rejected','documents_needed') DEFAULT 'pending',
  `applied_at` TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
  `reviewed_by` INT DEFAULT NULL,
  `reviewed_at` TIMESTAMP NULL DEFAULT NULL,
  `review_notes` TEXT,
  `commission_rate` DECIMAL(5,2) DEFAULT 10.00,
  `created_at` TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
  `updated_at` TIMESTAMP DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
  PRIMARY KEY (`id`),
  KEY `idx_user_id` (`user_id`),
  KEY `idx_sponsor_id` (`sponsor_id`),
  KEY `idx_reviewed_by` (`reviewed_by`),
  CONSTRAINT `fk_agent_user` FOREIGN KEY (`user_id`) REFERENCES `users` (`id`) ON DELETE CASCADE,
  CONSTRAINT `fk_agent_sponsor` FOREIGN KEY (`sponsor_id`) REFERENCES `users` (`id`) ON DELETE SET NULL,
  CONSTRAINT `fk_agent_reviewer` FOREIGN KEY (`reviewed_by`) REFERENCES `users` (`id`) ON DELETE SET NULL
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_0900_ai_ci;

CREATE TABLE `agent_claims` (
  `id` INT NOT NULL AUTO_INCREMENT,
  `user_id` INT NOT NULL,
  `claim_type` ENUM('commission','bonus','referral','override','other') NOT NULL,
  `amount` DECIMAL(15,2) NOT NULL,
  `description` TEXT,
  `claim_period` VARCHAR(50) DEFAULT NULL,
  `status` ENUM('pending','approved','rejected','processing') DEFAULT 'pending',
  `approved_by` INT DEFAULT NULL,
  `approved_amount` DECIMAL(15,2) DEFAULT NULL,
  `approval_notes` TEXT,
  `approved_at` DATETIME DEFAULT NULL,
  `supporting_docs` JSON DEFAULT NULL,
  `created_at` TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
  `updated_at` TIMESTAMP DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
  PRIMARY KEY (`id`),
  KEY `idx_approved_by` (`approved_by`),
  KEY `idx_user_id` (`user_id`),
  KEY `idx_status` (`status`),
  KEY `idx_created_at` (`created_at`),
  CONSTRAINT `fk_claim_user` FOREIGN KEY (`user_id`) REFERENCES `users` (`id`) ON DELETE CASCADE,
  CONSTRAINT `fk_claim_approved_by` FOREIGN KEY (`approved_by`) REFERENCES `users` (`id`) ON DELETE SET NULL
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_0900_ai_ci;

CREATE TABLE `agent_hierarchy` (
  `id` INT NOT NULL AUTO_INCREMENT,
  `upline_id` INT NOT NULL,
  `downline_id` INT NOT NULL,
  `level` INT NOT NULL,
  `created_at` TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
  PRIMARY KEY (`id`),
  KEY `idx_upline_id` (`upline_id`),
  KEY `idx_downline_id` (`downline_id`),
  CONSTRAINT `fk_hierarchy_upline` FOREIGN KEY (`upline_id`) REFERENCES `users` (`id`) ON DELETE CASCADE,
  CONSTRAINT `fk_hierarchy_downline` FOREIGN KEY (`downline_id`) REFERENCES `users` (`id`) ON DELETE CASCADE
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_0900_ai_ci;

CREATE TABLE `agents` (
  `id` INT NOT NULL AUTO_INCREMENT,
  `user_id` INT NOT NULL,
  `full_name` VARCHAR(100) NOT NULL,
  `phone` VARCHAR(20) NOT NULL,
  `location` VARCHAR(100) NOT NULL,
  `id_front` VARCHAR(255) DEFAULT NULL,
  `id_back` VARCHAR(255) DEFAULT NULL,
  `status` ENUM('pending','approved','rejected','documents_needed') DEFAULT 'pending',
  `applied_at` TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
  `reviewed_at` TIMESTAMP DEFAULT NULL,
  `reviewed_by` INT DEFAULT NULL,
  `notes` TEXT,
  PRIMARY KEY (`id`),
  KEY `idx_user_id` (`user_id`),
  KEY `idx_reviewed_by` (`reviewed_by`),
  CONSTRAINT `fk_agents_user` FOREIGN KEY (`user_id`) REFERENCES `users` (`id`) ON DELETE CASCADE,
  CONSTRAINT `fk_agents_reviewed_by` FOREIGN KEY (`reviewed_by`) REFERENCES `users` (`id`) ON DELETE SET NULL
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_0900_ai_ci;

CREATE TABLE `audit_logs` (
  `id` INT NOT NULL AUTO_INCREMENT,
  `user_id` INT DEFAULT NULL,
  `action` VARCHAR(100) NOT NULL,
  `description` TEXT,
  `ip_address` VARCHAR(45) DEFAULT NULL,
  `user_agent` TEXT,
  `metadata` JSON DEFAULT NULL,
  `created_at` TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
  PRIMARY KEY (`id`),
  KEY `idx_user_id` (`user_id`),
  CONSTRAINT `fk_audit_logs_user` FOREIGN KEY (`user_id`) REFERENCES `users` (`id`) ON DELETE SET NULL
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_0900_ai_ci;

CREATE TABLE `balance_history` (
  `id` INT NOT NULL AUTO_INCREMENT,
  `user_id` INT NOT NULL,
  `transaction_id` INT DEFAULT NULL,
  `amount` DECIMAL(10,2) NOT NULL,
  `balance_before` DECIMAL(10,2) NOT NULL,
  `balance_after` DECIMAL(10,2) NOT NULL,
  `type` ENUM('transfer_sent','transfer_received','deposit','withdrawal') DEFAULT NULL,
  `created_at` TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
  PRIMARY KEY (`id`),
  KEY `idx_user_id` (`user_id`),
  KEY `idx_transaction_id` (`transaction_id`),
  CONSTRAINT `fk_balance_history_user` FOREIGN KEY (`user_id`) REFERENCES `users` (`id`) ON DELETE CASCADE,
  CONSTRAINT `fk_balance_history_transaction` FOREIGN KEY (`transaction_id`) REFERENCES `transactions` (`id`) ON DELETE SET NULL
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_0900_ai_ci;

CREATE TABLE `commissions` (
  `id` INT NOT NULL AUTO_INCREMENT,
  `upline_id` INT NOT NULL,
  `downline_id` INT NOT NULL,
  `advertisement_id` INT NOT NULL,
  `amount` DECIMAL(10,2) NOT NULL,
  `commission_rate` DECIMAL(5,2) NOT NULL,
  `commission_amount` DECIMAL(10,2) NOT NULL,
  `percentage` DECIMAL(5,2) NOT NULL,
  `description` VARCHAR(255) DEFAULT NULL,
  `status` ENUM('pending','paid','cancelled') DEFAULT 'pending',
  `paid_at` TIMESTAMP NULL DEFAULT NULL,
  `created_at` TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
  PRIMARY KEY (`id`),
  KEY `idx_upline_id` (`upline_id`),
  KEY `idx_downline_id` (`downline_id`),
  KEY `idx_advertisement_id` (`advertisement_id`),
  CONSTRAINT `fk_commissions_upline` FOREIGN KEY (`upline_id`) REFERENCES `users` (`id`) ON DELETE CASCADE,
  CONSTRAINT `fk_commissions_downline` FOREIGN KEY (`downline_id`) REFERENCES `users` (`id`) ON DELETE CASCADE,
  CONSTRAINT `fk_commissions_advertisement` FOREIGN KEY (`advertisement_id`) REFERENCES `advertisements` (`id`) ON DELETE SET NULL
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_0900_ai_ci;

CREATE TABLE `currency_rates` (
  `id` INT NOT NULL AUTO_INCREMENT,
  `base_currency` VARCHAR(3) NOT NULL DEFAULT 'KES',
  `target_currency` VARCHAR(3) NOT NULL,
  `exchange_rate` DECIMAL(10,4) NOT NULL DEFAULT 1.0000,
  `updated_at` TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
  PRIMARY KEY (`id`),
  UNIQUE KEY `idx_currency_pair` (`base_currency`, `target_currency`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_0900_ai_ci;

CREATE TABLE `daily_earnings` (
  `id` INT NOT NULL AUTO_INCREMENT,
  `investment_id` INT NOT NULL,
  `user_id` INT NOT NULL,
  `amount` DECIMAL(15,2) NOT NULL DEFAULT 0.00,
  `earning_date` DATE NOT NULL,
  `status` ENUM('pending','paid','reinvested') NOT NULL DEFAULT 'pending',
  `created_at` TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP,
  PRIMARY KEY (`id`),
  KEY `idx_investment_id` (`investment_id`),
  KEY `idx_user_id` (`user_id`),
  CONSTRAINT `daily_earnings_ibfk_1` FOREIGN KEY (`investment_id`) REFERENCES `user_investments` (`id`) ON DELETE CASCADE,
  CONSTRAINT `daily_earnings_ibfk_2` FOREIGN KEY (`user_id`) REFERENCES `users` (`id`) ON DELETE CASCADE
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_0900_ai_ci;

CREATE TABLE `daily_token_stats` (
  `id` INT NOT NULL AUTO_INCREMENT,
  `user_id` INT NOT NULL,
  `date` DATE NOT NULL,
  `tokens_generated` INT NOT NULL DEFAULT 0,
  `tokens_revoked` INT NOT NULL DEFAULT 0,
  `api_calls` INT NOT NULL DEFAULT 0,
  `total_processing_time_ms` INT NOT NULL DEFAULT 0,
  `unique_endpoints` INT NOT NULL DEFAULT 0,
  `created_at` TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP,
  PRIMARY KEY (`id`),
  UNIQUE KEY `unique_user_date` (`user_id`,`date`),
  KEY `idx_date` (`date`),
  CONSTRAINT `daily_token_stats_ibfk_1` FOREIGN KEY (`user_id`) REFERENCES `users` (`id`) ON DELETE CASCADE
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_0900_ai_ci;

CREATE TABLE `eligibility_criteria` (
  `id` INT NOT NULL AUTO_INCREMENT,
  `min_deposit_amount` DECIMAL(15,2) NOT NULL DEFAULT 20000.00,
  `min_account_age_months` INT NOT NULL DEFAULT 6,
  `min_successful_uploads` INT NOT NULL DEFAULT 10,
  `is_active` TINYINT(1) NOT NULL DEFAULT 1,
  `cooling_period_days` INT NOT NULL DEFAULT 30,
  `created_at` TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP,
  `updated_at` TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
  PRIMARY KEY (`id`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_0900_ai_ci;

CREATE TABLE `faqs` (
  `id` INT NOT NULL AUTO_INCREMENT,
  `question` TEXT NOT NULL,
  `answer` TEXT NOT NULL,
  `category` VARCHAR(50) DEFAULT NULL,
  `is_active` TINYINT(1) NOT NULL DEFAULT 1,
  `created_at` TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP,
  PRIMARY KEY (`id`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_0900_ai_ci;

CREATE TABLE `ledger` (
  `id` INT NOT NULL AUTO_INCREMENT,
  `user_id` INT NOT NULL,
  `change_amount` DECIMAL(15,2) NOT NULL,
  `balance_after` DECIMAL(15,2) NOT NULL,
  `type` ENUM('deposit','withdrawal','transfer','reward','fee') NOT NULL,
  `reference` VARCHAR(100) NOT NULL,
  `description` TEXT DEFAULT NULL,
  `created_at` TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP,
  PRIMARY KEY (`id`),
  KEY `user_id` (`user_id`),
  CONSTRAINT `ledger_ibfk_1` FOREIGN KEY (`user_id`) REFERENCES `users` (`id`) ON DELETE CASCADE
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_0900_ai_ci;

CREATE TABLE `loan_applications` (
  `id` INT NOT NULL AUTO_INCREMENT,
  `user_id` INT NOT NULL,
  `amount` DECIMAL(15,2) NOT NULL,
  `duration_days` INT NOT NULL,
  `purpose` VARCHAR(255) NOT NULL,
  `disbursement_method` ENUM('mpesa','bank','paypal') NOT NULL,
  `mpesa_phone` VARCHAR(15) DEFAULT NULL,
  `bank_name` VARCHAR(100) DEFAULT NULL,
  `account_number` VARCHAR(50) DEFAULT NULL,
  `account_name` VARCHAR(100) DEFAULT NULL,
  `paypal_email` VARCHAR(100) DEFAULT NULL,
  `notification_number` VARCHAR(15) NOT NULL,
  `status` ENUM('pending','approved','rejected','disbursed','completed') NOT NULL DEFAULT 'pending',
  `application_date` TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP,
  `approval_date` TIMESTAMP NULL DEFAULT NULL,
  `due_date` DATE DEFAULT NULL,
  `processing_fee` DECIMAL(15,2) NOT NULL DEFAULT 0.00,
  `interest_rate` DECIMAL(5,2) NOT NULL DEFAULT 5.00,
  `total_repayment` DECIMAL(15,2) NOT NULL DEFAULT 0.00,
  PRIMARY KEY (`id`),
  KEY `user_id` (`user_id`),
  CONSTRAINT `loan_applications_ibfk_1` FOREIGN KEY (`user_id`) REFERENCES `users` (`id`) ON DELETE CASCADE
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_0900_ai_ci;

CREATE TABLE `loan_repayments` (
  `id` INT NOT NULL AUTO_INCREMENT,
  `loan_id` INT NOT NULL,
  `due_date` DATE NOT NULL,
  `amount_due` DECIMAL(15,2) NOT NULL,
  `amount_paid` DECIMAL(15,2) NOT NULL DEFAULT 0.00,
  `status` ENUM('pending','partial','paid','overdue') NOT NULL DEFAULT 'pending',
  `payment_date` TIMESTAMP NULL DEFAULT NULL,
  PRIMARY KEY (`id`),
  KEY `loan_id` (`loan_id`),
  CONSTRAINT `loan_repayments_ibfk_1` FOREIGN KEY (`loan_id`) REFERENCES `loan_applications` (`id`) ON DELETE CASCADE
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_0900_ai_ci;

CREATE TABLE `loans` (
  `id` INT NOT NULL AUTO_INCREMENT,
  `user_id` INT NOT NULL,
  `amount` DECIMAL(15,2) NOT NULL,
  `interest_rate` DECIMAL(5,2) NOT NULL DEFAULT 5.00,
  `duration_days` INT NOT NULL,
  `purpose` TEXT DEFAULT NULL,
  `status` ENUM('pending','approved','rejected','active','paid') NOT NULL DEFAULT 'pending',
  `approved_by` INT DEFAULT NULL,
  `approved_at` DATETIME DEFAULT NULL,
  `due_date` DATE DEFAULT NULL,
  `amount_paid` DECIMAL(15,2) NOT NULL DEFAULT 0.00,
  `created_at` TIMESTAMP NULL DEFAULT CURRENT_TIMESTAMP,
  `updated_at` TIMESTAMP NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
  PRIMARY KEY (`id`),
  KEY `user_id` (`user_id`),
  KEY `approved_by` (`approved_by`),
  CONSTRAINT `loans_ibfk_1` FOREIGN KEY (`user_id`) REFERENCES `users` (`id`) ON DELETE CASCADE,
  CONSTRAINT `loans_ibfk_2` FOREIGN KEY (`approved_by`) REFERENCES `users` (`id`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_0900_ai_ci;

CREATE TABLE `main_account` (
  `id` INT NOT NULL AUTO_INCREMENT,
  `account_name` VARCHAR(100) NOT NULL DEFAULT 'JMotors Main Account',
  `paybill_number` VARCHAR(20) DEFAULT NULL,
  `account_number` VARCHAR(50) DEFAULT NULL,
  `account_type` ENUM('paybill','bank','mpesa') NOT NULL DEFAULT 'paybill',
  `total_balance` DECIMAL(15,2) NOT NULL DEFAULT 0.00,
  `total_deposits` DECIMAL(15,2) NOT NULL DEFAULT 0.00,
  `total_withdrawals` DECIMAL(15,2) NOT NULL DEFAULT 0.00,
  `currency` VARCHAR(3) NOT NULL DEFAULT 'KES',
  `mpesa_phone` VARCHAR(20) DEFAULT NULL,
  `created_at` TIMESTAMP NULL DEFAULT CURRENT_TIMESTAMP,
  `updated_at` TIMESTAMP NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
  PRIMARY KEY (`id`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_0900_ai_ci;

CREATE TABLE `meta_uploads` (
  `id` INT NOT NULL AUTO_INCREMENT,
  `user_id` INT NOT NULL,
  `file_name` VARCHAR(255) NOT NULL,
  `file_type` VARCHAR(50) NOT NULL,
  `file_size` BIGINT NOT NULL,
  `file_path` VARCHAR(500) NOT NULL,
  `upload_date` DATE NOT NULL,
  `status` ENUM('pending','approved','rejected') NOT NULL DEFAULT 'pending',
  `reward_amount` DECIMAL(10,2) NOT NULL DEFAULT 0.00,
  `reviewed_by` INT DEFAULT NULL,
  `reviewed_at` TIMESTAMP NULL DEFAULT NULL,
  `created_at` TIMESTAMP NULL DEFAULT CURRENT_TIMESTAMP,
  PRIMARY KEY (`id`),
  KEY `user_id` (`user_id`),
  KEY `reviewed_by` (`reviewed_by`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_0900_ai_ci;

CREATE TABLE `packages` (
  `id` INT NOT NULL AUTO_INCREMENT,
  `name` VARCHAR(50) NOT NULL,
  `min_investment` DECIMAL(15,2) NOT NULL DEFAULT 0.00,
  `max_investment` DECIMAL(15,2) NOT NULL DEFAULT 0.00,
  `daily_return` DECIMAL(5,2) NOT NULL DEFAULT 0.00,
  `price` DECIMAL(10,2) NOT NULL DEFAULT 0.00,
  `award` DECIMAL(10,2) NOT NULL DEFAULT 0.00,
  `return_amount` DECIMAL(10,2) NOT NULL DEFAULT 0.00,
  `duration_days` INT NOT NULL DEFAULT 0,
  `referral_bonus` DECIMAL(5,2) NOT NULL DEFAULT 0.00,
  `daily_return_percent` DECIMAL(5,2) NOT NULL DEFAULT 0.00,
  `features` TEXT,
  `is_active` TINYINT(1) NOT NULL DEFAULT 1,
  `created_at` TIMESTAMP NULL DEFAULT CURRENT_TIMESTAMP,
  `updated_at` TIMESTAMP NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
  PRIMARY KEY (`id`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_0900_ai_ci;

CREATE TABLE `pin_setup` (
  `id` INT NOT NULL AUTO_INCREMENT,
  `user_id` INT NOT NULL,
  `pin_hash` VARCHAR(255) NOT NULL DEFAULT '',
  `setup_date` TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP,
  PRIMARY KEY (`id`),
  KEY `user_id` (`user_id`),
  CONSTRAINT `pin_setup_ibfk_1` FOREIGN KEY (`user_id`) REFERENCES `users` (`id`) ON DELETE CASCADE
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_0900_ai_ci;

CREATE TABLE `products` (
  `id` INT NOT NULL AUTO_INCREMENT,
  `name` VARCHAR(100) NOT NULL DEFAULT '',
  `value` DECIMAL(15,2) NOT NULL DEFAULT 0.00,
  `package_requirement` VARCHAR(50) NOT NULL DEFAULT 'all',
  `image_url` VARCHAR(500) DEFAULT NULL,
  `stock` INT NOT NULL DEFAULT 0,
  `description` TEXT DEFAULT NULL,
  `price` DECIMAL(10,2) NOT NULL DEFAULT 0.00,
  `image_code` VARCHAR(10) NOT NULL DEFAULT '',
  `cashback_amount` DECIMAL(10,2) NOT NULL DEFAULT 0.00,
  `is_active` TINYINT(1) NOT NULL DEFAULT 1,
  `created_at` TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP,
  PRIMARY KEY (`id`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_0900_ai_ci;

CREATE TABLE `recharge_transactions` (
  `id` INT NOT NULL AUTO_INCREMENT,
  `user_id` INT NOT NULL,
  `main_account_id` INT NOT NULL,
  `amount` DECIMAL(10,2) NOT NULL DEFAULT 0.00,
  `virtual_balance_before` DECIMAL(10,2) NOT NULL DEFAULT 0.00,
  `virtual_balance_after` DECIMAL(10,2) NOT NULL DEFAULT 0.00,
  `main_balance_before` DECIMAL(10,2) NOT NULL DEFAULT 0.00,
  `main_balance_after` DECIMAL(10,2) NOT NULL DEFAULT 0.00,
  `currency` VARCHAR(3) NOT NULL DEFAULT 'KES',
  `payment_method` VARCHAR(50) NOT NULL DEFAULT '',
  `phone_number` VARCHAR(20) NOT NULL DEFAULT '',
  `mpesa_receipt` VARCHAR(100) DEFAULT NULL,
  `transaction_id` VARCHAR(100) DEFAULT NULL,
  `paybill_number` VARCHAR(20) NOT NULL DEFAULT '542542',
  `account_number` VARCHAR(50) NOT NULL DEFAULT '00106664176150',
  `status` ENUM('pending','completed','failed','verified') NOT NULL DEFAULT 'pending',
  `bonus_amount` DECIMAL(10,2) NOT NULL DEFAULT 0.00,
  `verified_by` INT DEFAULT NULL,
  `verified_at` TIMESTAMP NULL DEFAULT NULL,
  `created_at` TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP,
  `updated_at` TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
  PRIMARY KEY (`id`),
  KEY `user_id` (`user_id`),
  KEY `fk_recharge_main` (`main_account_id`),
  CONSTRAINT `fk_recharge_main` FOREIGN KEY (`main_account_id`) REFERENCES `main_account` (`id`),
  CONSTRAINT `recharge_transactions_ibfk_1` FOREIGN KEY (`user_id`) REFERENCES `users` (`id`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_0900_ai_ci;

CREATE TABLE `referrals` (
  `id` INT NOT NULL AUTO_INCREMENT,
  `referrer_id` INT NOT NULL,
  `referred_id` INT NOT NULL,
  `status` ENUM('pending','completed','cancelled') NOT NULL DEFAULT 'pending',
  `commission_earned` DECIMAL(10,2) NOT NULL DEFAULT 0.00,
  `created_at` TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP,
  PRIMARY KEY (`id`),
  KEY `referrer_id` (`referrer_id`),
  KEY `referred_id` (`referred_id`),
  CONSTRAINT `referrals_ibfk_1` FOREIGN KEY (`referrer_id`) REFERENCES `users` (`id`) ON DELETE CASCADE,
  CONSTRAINT `referrals_ibfk_2` FOREIGN KEY (`referred_id`) REFERENCES `users` (`id`) ON DELETE CASCADE
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_0900_ai_ci;

CREATE TABLE `reward_settings` (
  `id` INT NOT NULL AUTO_INCREMENT,
  `setting_key` VARCHAR(50) NOT NULL,
  `setting_value` VARCHAR(255) NOT NULL,
  `description` TEXT DEFAULT NULL,
  `updated_at` TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
  PRIMARY KEY (`id`),
  UNIQUE KEY `setting_key` (`setting_key`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_0900_ai_ci;

CREATE TABLE `reward_transactions` (
  `id` INT NOT NULL AUTO_INCREMENT,
  `user_id` INT NOT NULL,
  `type` ENUM('upload','bonus','withdrawal') NOT NULL,
  `amount` DECIMAL(10,2) NOT NULL,
  `description` VARCHAR(255) DEFAULT NULL,
  `reference_id` INT DEFAULT NULL,
  `status` ENUM('pending','completed','failed') NOT NULL DEFAULT 'completed',
  `created_at` TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP,
  PRIMARY KEY (`id`),
  KEY `user_id` (`user_id`),
  CONSTRAINT `reward_transactions_ibfk_1` FOREIGN KEY (`user_id`) REFERENCES `users` (`id`) ON DELETE CASCADE
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_0900_ai_ci;

CREATE TABLE `sessions` (
  `id` INT NOT NULL AUTO_INCREMENT,
  `user_id` INT NOT NULL,
  `session_token` VARCHAR(255) NOT NULL,
  `ip_address` VARCHAR(45) DEFAULT NULL,
  `user_agent` TEXT,
  `expires_at` DATETIME NOT NULL,
  `is_active` TINYINT(1) NOT NULL DEFAULT 1,
  `created_at` TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP,
  PRIMARY KEY (`id`),
  UNIQUE KEY `session_token` (`session_token`),
  KEY `user_id` (`user_id`),
  CONSTRAINT `sessions_ibfk_1` FOREIGN KEY (`user_id`) REFERENCES `users` (`id`) ON DELETE CASCADE
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_0900_ai_ci;

CREATE TABLE `support_agents` (
  `id` INT NOT NULL AUTO_INCREMENT,
  `name` VARCHAR(100) NOT NULL,
  `email` VARCHAR(255) NOT NULL,
  `phone` VARCHAR(20) DEFAULT NULL,
  `department` VARCHAR(50) DEFAULT NULL,
  `is_active` TINYINT(1) NOT NULL DEFAULT 1,
  `created_at` TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP,
  PRIMARY KEY (`id`),
  UNIQUE KEY `email` (`email`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_0900_ai_ci;

CREATE TABLE `support_tickets` (
  `id` int NOT NULL AUTO_INCREMENT,
  `user_id` int DEFAULT NULL,
  `ticket_number` varchar(20) NOT NULL,
  `issue_type` enum('technical','account','payment','product','other') NOT NULL,
  `subject` varchar(200) NOT NULL,
  `description` text NOT NULL,
  `status` enum('open','in_progress','resolved','closed') DEFAULT 'open',
  `priority` enum('low','medium','high','urgent') DEFAULT 'medium',
  `created_at` timestamp NULL DEFAULT CURRENT_TIMESTAMP,
  `updated_at` timestamp NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
  PRIMARY KEY (`id`),
  UNIQUE KEY `ticket_number` (`ticket_number`),
  KEY `user_id` (`user_id`),
  CONSTRAINT `support_tickets_ibfk_1` FOREIGN KEY (`user_id`) REFERENCES `users` (`id`) ON DELETE CASCADE
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_0900_ai_ci;

CREATE TABLE `support_users` (
  `id` INT NOT NULL AUTO_INCREMENT,
  `username` VARCHAR(100) NOT NULL,
  `email` VARCHAR(255) NOT NULL,
  `tier` VARCHAR(50) NOT NULL DEFAULT 'standard',
  `package` VARCHAR(50) NOT NULL DEFAULT 'basic',
  `created_at` TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP,
  PRIMARY KEY (`id`),
  UNIQUE KEY `email` (`email`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_0900_ai_ci;

CREATE TABLE `system_config` (
  `id` INT NOT NULL AUTO_INCREMENT,
  `config_key` VARCHAR(100) NOT NULL,
  `config_value` TEXT NOT NULL,
  `updated_at` TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
  PRIMARY KEY (`id`),
  UNIQUE KEY `config_key` (`config_key`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_0900_ai_ci;

CREATE TABLE `team_relationships` (
  `id` INT NOT NULL AUTO_INCREMENT,
  `sponsor_id` INT NOT NULL,
  `agent_id` INT NOT NULL,
  `level` INT NOT NULL,
  `status` ENUM('active','inactive') NOT NULL DEFAULT 'active',
  `created_at` TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP,
  PRIMARY KEY (`id`),
  UNIQUE KEY `unique_relationship` (`sponsor_id`,`agent_id`),
  KEY `agent_id` (`agent_id`),
  CONSTRAINT `team_relationships_ibfk_1` FOREIGN KEY (`sponsor_id`) REFERENCES `users` (`id`) ON DELETE CASCADE,
  CONSTRAINT `team_relationships_ibfk_2` FOREIGN KEY (`agent_id`) REFERENCES `users` (`id`) ON DELETE CASCADE
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_0900_ai_ci;

CREATE TABLE `ticket_assignments` (
  `id` INT NOT NULL AUTO_INCREMENT,
  `ticket_id` INT NOT NULL,
  `agent_id` INT NOT NULL,
  `assigned_at` TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP,
  PRIMARY KEY (`id`),
  KEY `ticket_id` (`ticket_id`),
  KEY `agent_id` (`agent_id`),
  CONSTRAINT `ticket_assignments_ibfk_1` FOREIGN KEY (`ticket_id`) REFERENCES `support_tickets` (`id`) ON DELETE CASCADE,
  CONSTRAINT `ticket_assignments_ibfk_2` FOREIGN KEY (`agent_id`) REFERENCES `support_agents` (`id`) ON DELETE CASCADE
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_0900_ai_ci;

CREATE TABLE `ticket_responses` (
  `id` INT NOT NULL AUTO_INCREMENT,
  `ticket_id` INT NOT NULL,
  `responder_type` ENUM('user','support_agent') NOT NULL,
  `message` TEXT NOT NULL,
  `attachments` TEXT,
  `created_at` TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP,
  PRIMARY KEY (`id`),
  KEY `ticket_id` (`ticket_id`),
  CONSTRAINT `ticket_responses_ibfk_1` FOREIGN KEY (`ticket_id`) REFERENCES `support_tickets` (`id`) ON DELETE CASCADE
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_0900_ai_ci;

CREATE TABLE `token_usage_logs` (
  `id` INT NOT NULL AUTO_INCREMENT,
  `token_id` INT NOT NULL,
  `user_id` INT NOT NULL,
  `endpoint` VARCHAR(100) NOT NULL,
  `ip_address` VARCHAR(45),
  `user_agent` TEXT,
  `request_method` VARCHAR(10),
  `response_code` INT,
  `processing_time_ms` INT,
  `created_at` TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP,
  PRIMARY KEY (`id`),
  KEY `user_id` (`user_id`),
  KEY `idx_created_at` (`created_at`),
  KEY `idx_token_id` (`token_id`),
  CONSTRAINT `token_usage_logs_ibfk_1` FOREIGN KEY (`token_id`) REFERENCES `access_tokens` (`id`) ON DELETE CASCADE,
  CONSTRAINT `token_usage_logs_ibfk_2` FOREIGN KEY (`user_id`) REFERENCES `users` (`id`) ON DELETE CASCADE
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_0900_ai_ci;

CREATE TABLE `transactions` (
  `id` INT NOT NULL AUTO_INCREMENT,
  `sender_id` INT NOT NULL,
  `user_id` INT NOT NULL,
  `recipient_id` INT NOT NULL,
  `type` ENUM('deposit','withdrawal','product_purchase','cashback') NOT NULL,
  `amount` DECIMAL(10,2) NOT NULL,
  `balance_after` DECIMAL(10,2) NOT NULL,
  `description` TEXT,
  `message` TEXT,
  `transaction_date` TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP,
  `reference` VARCHAR(100),
  `status` ENUM('pending','completed','failed') DEFAULT 'pending',
  `created_at` TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP,
  `completed_at` TIMESTAMP,
  PRIMARY KEY (`id`),
  KEY `fk_sender` (`sender_id`),
  KEY `fk_recipient` (`recipient_id`),
  KEY `fk_transactions_user` (`user_id`),
  CONSTRAINT `fk_sender` FOREIGN KEY (`sender_id`) REFERENCES `users` (`id`),
  CONSTRAINT `fk_recipient` FOREIGN KEY (`recipient_id`) REFERENCES `users` (`id`),
  CONSTRAINT `fk_transactions_user` FOREIGN KEY (`user_id`) REFERENCES `users` (`id`) ON DELETE CASCADE
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_0900_ai_ci;

CREATE TABLE `transaction_verifications` (
  `id` INT NOT NULL AUTO_INCREMENT,
  `transaction_id` INT,
  `user_id` INT,
  `amount` DECIMAL(10,2),
  `paybill_number` VARCHAR(20),
  `account_number` VARCHAR(50),
  `mpesa_receipt` VARCHAR(100),
  `screenshot_path` VARCHAR(255),
  `status` ENUM('pending','approved','rejected') DEFAULT 'pending',
  `reviewed_by` INT,
  `reviewed_at` TIMESTAMP,
  `notes` TEXT,
  `created_at` TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP,
  PRIMARY KEY (`id`),
  KEY `fk_transaction` (`transaction_id`),
  KEY `fk_user` (`user_id`),
  CONSTRAINT `fk_transaction` FOREIGN KEY (`transaction_id`) REFERENCES `recharge_transactions` (`id`) ON DELETE SET NULL,
  CONSTRAINT `fk_user` FOREIGN KEY (`user_id`) REFERENCES `users` (`id`) ON DELETE SET NULL
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_0900_ai_ci;

CREATE TABLE `upload_rewards` (
  `id` INT NOT NULL AUTO_INCREMENT,
  `user_id` INT NOT NULL,
  `upload_date` DATE NOT NULL,
  `total_uploads` INT DEFAULT 0,
  `completed_uploads` INT DEFAULT 0,
  `total_reward` DECIMAL(10,2) DEFAULT 0.00,
  `status` ENUM('pending','processed') DEFAULT 'pending',
  `processed_at` TIMESTAMP,
  `created_at` TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP,
  PRIMARY KEY (`id`),
  UNIQUE KEY `unique_user_date` (`user_id`,`upload_date`),
  CONSTRAINT `fk_upload_rewards_user` FOREIGN KEY (`user_id`) REFERENCES `users` (`id`) ON DELETE CASCADE
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_0900_ai_ci;

CREATE TABLE `user_accounts` (
  `id` INT NOT NULL AUTO_INCREMENT,
  `user_id` INT,
  `virtual_account_number` VARCHAR(50) UNIQUE,
  `current_balance` DECIMAL(15,2) DEFAULT 0.00,
  `total_invested` DECIMAL(15,2) DEFAULT 0.00,
  `total_earnings` DECIMAL(15,2) DEFAULT 0.00,
  `total_withdrawn` DECIMAL(15,2) DEFAULT 0.00,
  `currency` VARCHAR(3) DEFAULT 'KES',
  `status` ENUM('active','suspended','closed') DEFAULT 'active',
  `created_at` TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP,
  `updated_at` TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
  PRIMARY KEY (`id`),
  KEY `idx_user_id` (`user_id`),
  CONSTRAINT `fk_user_accounts_user` FOREIGN KEY (`user_id`) REFERENCES `users` (`id`) ON DELETE CASCADE
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_0900_ai_ci;

CREATE TABLE `user_activity` (
  `id` INT NOT NULL AUTO_INCREMENT,
  `user_id` INT,
  `activity_type` VARCHAR(50),
  `description` TEXT,
  `ip_address` VARCHAR(45),
  `created_at` TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP,
  PRIMARY KEY (`id`),
  KEY `idx_user_id` (`user_id`),
  CONSTRAINT `fk_user_activity_user` FOREIGN KEY (`user_id`) REFERENCES `users` (`id`) ON DELETE CASCADE
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_0900_ai_ci;

CREATE TABLE `user_channel_subscriptions` (
  `id` INT NOT NULL AUTO_INCREMENT,
  `user_id` INT,
  `channel_id` INT,
  `subscribed_at` TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP,
  PRIMARY KEY (`id`),
  UNIQUE KEY `uniq_user_channel` (`user_id`,`channel_id`),
  KEY `idx_channel_id` (`channel_id`),
  CONSTRAINT `fk_user_channel_subscriptions_user` FOREIGN KEY (`user_id`) REFERENCES `users` (`id`) ON DELETE CASCADE,
  CONSTRAINT `fk_user_channel_subscriptions_channel` FOREIGN KEY (`channel_id`) REFERENCES `whatsapp_channels` (`id`) ON DELETE CASCADE
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_0900_ai_ci;

CREATE TABLE `user_investments` (
  `id` INT NOT NULL AUTO_INCREMENT,
  `user_id` INT NOT NULL,
  `package_id` INT NOT NULL,
  `amount` DECIMAL(15,2) NOT NULL,
  `start_date` DATETIME NOT NULL,
  `end_date` DATETIME NOT NULL,
  `status` ENUM('active','completed','cancelled') NOT NULL DEFAULT 'active',
  `total_earnings` DECIMAL(15,2) NOT NULL DEFAULT 0.00,
  `created_at` TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP,
  PRIMARY KEY (`id`),
  KEY `idx_user_id` (`user_id`),
  KEY `idx_package_id` (`package_id`),
  CONSTRAINT `fk_user_investments_user` FOREIGN KEY (`user_id`) REFERENCES `users` (`id`) ON DELETE CASCADE,
  CONSTRAINT `fk_user_investments_package` FOREIGN KEY (`package_id`) REFERENCES `packages` (`id`) ON DELETE CASCADE
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_0900_ai_ci;

CREATE TABLE `user_packages` (
  `id` INT NOT NULL AUTO_INCREMENT,
  `user_id` INT NOT NULL,
  `package_id` INT NOT NULL,
  `purchase_date` TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP,
  `start_date` DATETIME NULL DEFAULT NULL,
  `end_date` DATETIME NULL DEFAULT NULL,
  `amount_paid` DECIMAL(10,2) NOT NULL DEFAULT 0.00,
  `status` ENUM('active','completed','cancelled') NOT NULL DEFAULT 'active',
  `investment_amount` DECIMAL(10,2) NOT NULL,
  `expected_return` DECIMAL(10,2) NOT NULL,
  PRIMARY KEY (`id`),
  KEY `idx_user_id` (`user_id`),
  KEY `idx_package_id` (`package_id`),
  CONSTRAINT `fk_user_packages_user` FOREIGN KEY (`user_id`) REFERENCES `users` (`id`) ON DELETE CASCADE,
  CONSTRAINT `fk_user_packages_package` FOREIGN KEY (`package_id`) REFERENCES `packages` (`id`) ON DELETE CASCADE
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_0900_ai_ci;

CREATE TABLE `user_products` (
  `id` INT NOT NULL AUTO_INCREMENT,
  `user_id` INT NOT NULL,
  `product_id` INT NOT NULL,
  `investment_id` INT NOT NULL,
  `assigned_date` DATE NOT NULL,
  `purchase_price` DECIMAL(10,2) NOT NULL,
  `cashback_received` DECIMAL(10,2) NOT NULL DEFAULT 0.00,
  `purchase_date` TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP,
  `status` ENUM('active','completed','cancelled') NOT NULL DEFAULT 'active',
  `created_at` TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP,
  PRIMARY KEY (`id`),
  KEY `idx_user_id` (`user_id`),
  KEY `idx_product_id` (`product_id`),
  CONSTRAINT `fk_user_products_user` FOREIGN KEY (`user_id`) REFERENCES `users` (`id`) ON DELETE CASCADE,
  CONSTRAINT `fk_user_products_product` FOREIGN KEY (`product_id`) REFERENCES `products` (`id`) ON DELETE CASCADE
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_0900_ai_ci;

CREATE TABLE `user_profiles` (
  `id` INT NOT NULL AUTO_INCREMENT,
  `user_id` INT NOT NULL,
  `first_name` VARCHAR(50),
  `last_name` VARCHAR(50),
  `date_of_birth` DATE,
  `gender` ENUM('Male','Female','Other'),
  `profile_picture` VARCHAR(255),
  `address` TEXT,
  `city` VARCHAR(50),
  `state` VARCHAR(50),
  `zip_code` VARCHAR(20),
  `bio` TEXT,
  `created_at` TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP,
  `updated_at` TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
  PRIMARY KEY (`id`),
  KEY `idx_user_id` (`user_id`),
  CONSTRAINT `fk_user_profiles_user` FOREIGN KEY (`user_id`) REFERENCES `users` (`id`) ON DELETE CASCADE
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_0900_ai_ci;

CREATE TABLE `users` (
  `id` INT NOT NULL AUTO_INCREMENT,
  `user_type` ENUM('marketer','agent','admin') NOT NULL DEFAULT 'marketer',
  `referred_by` INT,
  `username` VARCHAR(50) NOT NULL,
  `email` VARCHAR(100) NOT NULL,
  `country` CHAR(2) NOT NULL,
  `phone_number` VARCHAR(20) NOT NULL,
  `tier` ENUM('Basic','Premium') NOT NULL DEFAULT 'Basic',
  `current_package_id` INT,
  `package_start_date` DATETIME,
  `package_end_date` DATETIME,
  `package` ENUM('None','NOVA','SUPERIOR','GOLD') NOT NULL DEFAULT 'None',
  `balance` DECIMAL(15,2) NOT NULL DEFAULT 0.00,
  `verification_token` VARCHAR(100),
  `reset_token` VARCHAR(100),
  `reset_token_expiry` DATETIME,
  `total_invested` DECIMAL(15,2) NOT NULL DEFAULT 0.00,
  `total_earnings` DECIMAL(15,2) NOT NULL DEFAULT 0.00,
  `total_deposits` DECIMAL(15,2) NOT NULL DEFAULT 0.00,
  `total_withdrawals` DECIMAL(15,2) NOT NULL DEFAULT 0.00,
  `rewards` DECIMAL(15,2) NOT NULL DEFAULT 0.00,
  `meta_earnings` DECIMAL(15,2) NOT NULL DEFAULT 0.00,
  `created_at` TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP,
  `updated_at` TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
  `last_login` TIMESTAMP,
  `pin_hash` VARCHAR(255) NOT NULL,
  `password_hash` VARCHAR(255) NOT NULL,
  `currency` CHAR(3) NOT NULL DEFAULT 'KES',
  `exchange_rate` DECIMAL(10,4) NOT NULL DEFAULT 1.0000,
  `referral_code` VARCHAR(20),
  PRIMARY KEY (`id`),
  UNIQUE KEY `uk_users_username` (`username`),
  UNIQUE KEY `uk_users_email` (`email`),
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_0900_ai_ci;

CREATE TABLE `user_security` (
  `id` INT NOT NULL AUTO_INCREMENT,
  `user_id` INT NOT NULL,
  `two_factor_enabled` TINYINT(1) NOT NULL DEFAULT 0,
  `two_factor_secret` VARCHAR(32),
  `password_reset_token` VARCHAR(100),
  `reset_token_expires` TIMESTAMP,
  `login_attempts` INT NOT NULL DEFAULT 0,
  `last_login_attempt` TIMESTAMP,
  PRIMARY KEY (`id`),
  UNIQUE KEY `uk_user_security_user_id` (`user_id`),
  CONSTRAINT `fk_user_security_user` FOREIGN KEY (`user_id`) REFERENCES `users` (`id`) ON DELETE CASCADE
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_0900_ai_ci;

CREATE TABLE `user_settings` (
  `id` INT NOT NULL AUTO_INCREMENT,
  `user_id` INT NOT NULL,
  `dark_mode` TINYINT(1) NOT NULL DEFAULT 1,
  `language` VARCHAR(10) NOT NULL DEFAULT 'en',
  `currency` VARCHAR(3) NOT NULL DEFAULT 'KES',
  `auto_logout` TINYINT(1) NOT NULL DEFAULT 1,
  `email_notifications` TINYINT(1) NOT NULL DEFAULT 1,
  `push_notifications` TINYINT(1) NOT NULL DEFAULT 1,
  PRIMARY KEY (`id`),
  UNIQUE KEY `uk_user_settings_user_id` (`user_id`),
  CONSTRAINT `fk_user_settings_user` FOREIGN KEY (`user_id`) REFERENCES `users` (`id`) ON DELETE CASCADE
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_0900_ai_ci;

CREATE TABLE `whatsapp_channels` (
  `id` INT NOT NULL AUTO_INCREMENT,
  `channel_name` VARCHAR(100) NOT NULL,
  `channel_type` ENUM('group','channel','tips','elite') NOT NULL,
  `whatsapp_link` VARCHAR(500) NOT NULL,
  `description` TEXT DEFAULT NULL,
  `icon_class` VARCHAR(50) DEFAULT NULL,
  `color_class` VARCHAR(50) DEFAULT NULL,
  `is_active` TINYINT(1) NOT NULL DEFAULT 1,
  `member_count` INT NOT NULL DEFAULT 0,
  `max_capacity` INT NOT NULL DEFAULT 1000,
  `created_at` TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP,
  PRIMARY KEY (`id`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_0900_ai_ci;

CREATE TABLE `withdrawal_destinations` (
  `id` INT NOT NULL AUTO_INCREMENT,
  `user_id` INT NOT NULL,
  `type` ENUM('mpesa','bank','airtel','tkash') NOT NULL,
  `details` VARCHAR(255) NOT NULL,
  `is_default` TINYINT(1) NOT NULL DEFAULT 0,
  `is_active` TINYINT(1) NOT NULL DEFAULT 1,
  `created_at` TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP,
  `updated_at` TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
  PRIMARY KEY (`id`),
  KEY `user_id` (`user_id`),
  CONSTRAINT `withdrawal_destinations_ibfk_1` FOREIGN KEY (`user_id`) REFERENCES `users` (`id`) ON DELETE CASCADE
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_0900_ai_ci;

CREATE TABLE `withdrawals` (
  `id` INT NOT NULL AUTO_INCREMENT,
  `user_id` INT NOT NULL,
  `destination_id` INT NOT NULL,
  `amount` DECIMAL(15,2) NOT NULL,
  `fee` DECIMAL(15,2) NOT NULL DEFAULT 0.00,
  `net_amount` DECIMAL(15,2) NOT NULL,
  `status` ENUM('pending','processing','completed','failed','cancelled') NOT NULL DEFAULT 'pending',
  `idempotency_key` VARCHAR(255) NOT NULL,
  `reference` VARCHAR(100) NOT NULL,
  `failure_reason` TEXT,
  `processed_at` TIMESTAMP NULL DEFAULT NULL,
  `created_at` TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP,
  `updated_at` TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
  PRIMARY KEY (`id`),
  UNIQUE KEY `idempotency_key` (`idempotency_key`),
  KEY `user_id` (`user_id`),
  KEY `destination_id` (`destination_id`),
  CONSTRAINT `withdrawals_ibfk_1` FOREIGN KEY (`user_id`) REFERENCES `users` (`id`) ON DELETE CASCADE,
  CONSTRAINT `withdrawals_ibfk_2` FOREIGN KEY (`destination_id`) REFERENCES `withdrawal_destinations` (`id`) ON DELETE CASCADE
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_0900_ai_ci;

CREATE VIEW `user_teams` AS
SELECT 
    u.id AS user_id,
    u.username,
    u.referral_code,
    COUNT(r.referred_id) AS team_size,
    COALESCE(SUM(ref.commission_earned), 0) AS total_earnings
FROM 
    users u
LEFT JOIN 
    referrals r ON u.id = r.referrer_id
LEFT JOIN 
    referrals ref ON u.id = ref.referrer_id AND ref.status = 'completed'
GROUP BY 
    u.id, u.username, u.referral_code;