CREATE TABLE users (
  id INTEGER PRIMARY KEY AUTOINCREMENT,
  email TEXT NOT NULL UNIQUE,
  username TEXT NOT NULL UNIQUE,
  password_hash TEXT NOT NULL,
  email_verified INTEGER NOT NULL DEFAULT 0,
  verification_token TEXT,
  verification_expires_at TEXT,
  created_at TEXT NOT NULL DEFAULT (datetime('now'))
);

CREATE INDEX idx_users_email ON users(email);
CREATE INDEX idx_users_username ON users(username);

CREATE TABLE sessions (
  id TEXT PRIMARY KEY,
  user_id INTEGER NOT NULL REFERENCES users(id) ON DELETE CASCADE,
  expires_at TEXT NOT NULL,
  created_at TEXT NOT NULL DEFAULT (datetime('now'))
);

CREATE INDEX idx_sessions_user ON sessions(user_id);
CREATE INDEX idx_sessions_expires ON sessions(expires_at);

CREATE TABLE profiles (
  user_id INTEGER PRIMARY KEY REFERENCES users(id) ON DELETE CASCADE,
  display_name TEXT,
  avatar_path TEXT,
  bio TEXT,
  updated_at TEXT NOT NULL DEFAULT (datetime('now'))
);

CREATE TABLE games (
  id INTEGER PRIMARY KEY AUTOINCREMENT,
  slug TEXT NOT NULL UNIQUE,
  name TEXT NOT NULL,
  category TEXT NOT NULL CHECK (category IN ('tabletop', 'casino')),
  max_players INTEGER NOT NULL DEFAULT 2,
  supports_multiplayer INTEGER NOT NULL DEFAULT 1
);

CREATE TABLE matches (
  id INTEGER PRIMARY KEY AUTOINCREMENT,
  game_id INTEGER NOT NULL REFERENCES games(id),
  started_at TEXT NOT NULL DEFAULT (datetime('now')),
  ended_at TEXT,
  status TEXT NOT NULL DEFAULT 'in_progress'
    CHECK (status IN ('in_progress', 'completed', 'abandoned'))
);

CREATE INDEX idx_matches_game ON matches(game_id);
CREATE INDEX idx_matches_status ON matches(status);

CREATE TABLE match_players (
  match_id INTEGER NOT NULL REFERENCES matches(id) ON DELETE CASCADE,
  user_id INTEGER NOT NULL REFERENCES users(id) ON DELETE CASCADE,
  seat INTEGER NOT NULL,
  result TEXT CHECK (result IN ('win', 'loss', 'draw', 'abandoned')),
  score INTEGER,
  PRIMARY KEY (match_id, user_id)
);

CREATE INDEX idx_match_players_user ON match_players(user_id);