CREATE TABLE IF NOT EXISTS match_votes (
  id BIGINT UNSIGNED NOT NULL AUTO_INCREMENT,
  user_id BIGINT UNSIGNED NOT NULL,
  match_id BIGINT UNSIGNED NOT NULL,
  api_fixture_id BIGINT UNSIGNED NULL,
  choice ENUM('home', 'draw', 'away') NOT 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 uq_match_votes_user_match (user_id, match_id),
  KEY idx_match_votes_match (match_id),
  KEY idx_match_votes_fixture (api_fixture_id),
  CONSTRAINT fk_match_votes_user FOREIGN KEY (user_id) REFERENCES users(id) ON DELETE CASCADE
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;