drop table if exists users cascade;
create table users (
	id uuid not null default gen_random_uuid() primary key,
	name text,
	username text not null,
	password_hash text not null,

	created_at timestamp with time zone not null,
	updated_at timestamp with time zone not null,

	check (created_at <= updated_at)
);
drop index if exists users_username_idx;
create index users_username_idx on users (username);
drop index if exists users_username_unique;
create unique index users_username_unique on users (lower(username));

drop table if exists login_tokens cascade;
create table login_tokens (
	token text not null primary key,
	user_id uuid not null references users(id),
	created_at timestamp with time zone not null,
	expires_at timestamp with time zone not null,

	check (created_at < expires_at)
);

drop type if exists game_outcome cascade;
create type game_outcome as enum (
	'village_victory',
	'wolves_victory'
);

drop table if exists games cascade;
create table games (
	id uuid not null primary key,
	outcome game_outcome,
	state json not null,
	story json not null,

	started_at timestamp with time zone not null,
	updated_at timestamp with time zone not null default now()
);

drop table if exists players;
create table players (
	id uuid not null primary key,
	user_id uuid references users(id)
);

drop table if exists game_players;
create table game_players (
	game_id uuid not null references games(id),
	player_id uuid not null references players(id),

	primary key (game_id, player_id)
);