CREATE TABLE IF NOT EXISTS users (
  id INTEGER PRIMARY KEY AUTOINCREMENT,
  email TEXT UNIQUE NOT NULL,
  password TEXT NOT NULL,
  first_name TEXT NOT NULL,
  last_name TEXT NOT NULL
);

CREATE TABLE IF NOT EXISTS mood (
  id INTEGER PRIMARY KEY AUTOINCREMENT,
  user_id INTEGER NOT NULL,
  stress_level INTEGER NOT NULL,
  anxiety_level INTEGER NOT NULL,
  title TEXT,
  description TEXT,
  created_at DATETIME DEFAULT CURRENT_TIMESTAMP,
  FOREIGN KEY (user_id) REFERENCES users(id)
);