CREATE TABLE IF NOT EXISTS users (
  id BIGINT UNSIGNED NOT NULL AUTO_INCREMENT PRIMARY KEY,
  discord_id VARCHAR(32) NOT NULL UNIQUE,
  username VARCHAR(100) NOT NULL,
  avatar VARCHAR(128) NOT NULL DEFAULT '',
  balance INT NOT NULL DEFAULT 0,
  created_at TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP,
  updated_at TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP
);

CREATE TABLE IF NOT EXISTS promo_codes (
  id BIGINT UNSIGNED NOT NULL AUTO_INCREMENT PRIMARY KEY,
  code VARCHAR(32) NOT NULL UNIQUE,
  bonus_type VARCHAR(16) NOT NULL DEFAULT 'fixed',
  bonus_value INT NOT NULL DEFAULT 0,
  max_uses INT NULL,
  expires_at DATETIME NULL,
  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
);

CREATE TABLE IF NOT EXISTS deposits (
  id BIGINT UNSIGNED NOT NULL AUTO_INCREMENT PRIMARY KEY,
  user_id BIGINT UNSIGNED NOT NULL,
  amount INT NOT NULL,
  bonus_amount INT NOT NULL DEFAULT 0,
  promo_code_id BIGINT UNSIGNED NULL,
  stripe_payment_intent_id VARCHAR(128) NOT NULL,
  status VARCHAR(32) NOT NULL DEFAULT 'created',
  created_at TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP,
  updated_at TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
  CONSTRAINT fk_deposits_user_id FOREIGN KEY (user_id) REFERENCES users(id),
  CONSTRAINT fk_deposits_promo_code_id FOREIGN KEY (promo_code_id) REFERENCES promo_codes(id)
);

CREATE INDEX idx_deposits_stripe ON deposits (stripe_payment_intent_id);

CREATE TABLE IF NOT EXISTS promo_redemptions (
  id BIGINT UNSIGNED NOT NULL AUTO_INCREMENT PRIMARY KEY,
  user_id BIGINT UNSIGNED NOT NULL,
  promo_code_id BIGINT UNSIGNED NOT NULL,
  deposit_id BIGINT UNSIGNED NOT NULL,
  created_at TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP,
  CONSTRAINT fk_redemptions_user_id FOREIGN KEY (user_id) REFERENCES users(id),
  CONSTRAINT fk_redemptions_promo_code_id FOREIGN KEY (promo_code_id) REFERENCES promo_codes(id),
  CONSTRAINT fk_redemptions_deposit_id FOREIGN KEY (deposit_id) REFERENCES deposits(id),
  UNIQUE KEY uniq_user_promo (user_id, promo_code_id)
);