import postgres from "postgres";

// Crea la base de datos e2e y su esquema desde cero antes de arrancar los servidores.
const DDL = `
DROP TABLE IF EXISTS action_items, votes, notes, groups, columns, boards CASCADE;
CREATE TABLE boards (
  id text PRIMARY KEY, title text NOT NULL, phase text NOT NULL DEFAULT 'writing',
  revealed boolean NOT NULL DEFAULT false, votes_revealed boolean NOT NULL DEFAULT false,
  votes_per_user integer NOT NULL DEFAULT 3, allow_multi_vote boolean NOT NULL DEFAULT true,
  moderation_mode text NOT NULL DEFAULT 'everyone', show_card_creators boolean NOT NULL DEFAULT true,
  locked boolean NOT NULL DEFAULT false,
  timer_ends_at timestamptz, timer_running boolean NOT NULL DEFAULT false,
  moderator_token text NOT NULL, created_at timestamptz NOT NULL DEFAULT now(), expires_at timestamptz
);
CREATE TABLE columns (
  id text PRIMARY KEY, board_id text NOT NULL REFERENCES boards(id) ON DELETE CASCADE,
  title text NOT NULL, position integer NOT NULL
);
CREATE TABLE groups (
  id text PRIMARY KEY, board_id text NOT NULL REFERENCES boards(id) ON DELETE CASCADE,
  column_id text NOT NULL REFERENCES columns(id) ON DELETE CASCADE,
  title text NOT NULL DEFAULT '', position double precision NOT NULL DEFAULT 0
);
CREATE TABLE notes (
  id text PRIMARY KEY, board_id text NOT NULL REFERENCES boards(id) ON DELETE CASCADE,
  column_id text NOT NULL REFERENCES columns(id) ON DELETE CASCADE,
  group_id text REFERENCES groups(id) ON DELETE SET NULL,
  author_id text NOT NULL, author_name text NOT NULL, text text NOT NULL, color text,
  revealed boolean NOT NULL DEFAULT false, position double precision NOT NULL DEFAULT 0,
  created_at timestamptz NOT NULL DEFAULT now()
);
CREATE TABLE votes (
  board_id text NOT NULL REFERENCES boards(id) ON DELETE CASCADE,
  target_type text NOT NULL, target_id text NOT NULL, participant_id text NOT NULL,
  count integer NOT NULL DEFAULT 1
);
CREATE UNIQUE INDEX votes_target_participant_uniq ON votes (target_id, participant_id);
CREATE TABLE action_items (
  id text PRIMARY KEY, board_id text NOT NULL REFERENCES boards(id) ON DELETE CASCADE,
  text text NOT NULL, owner text, done boolean NOT NULL DEFAULT false,
  created_at timestamptz NOT NULL DEFAULT now()
);
`;

export default async function globalSetup() {
  const url = process.env.E2E_DATABASE_URL ?? "postgres://retro:retro@localhost:5433/retro_e2e";
  const dbName = new URL(url).pathname.slice(1);
  const admin = postgres(url.replace(`/${dbName}`, "/postgres"), { max: 1 });
  try {
    const exists = await admin`SELECT 1 FROM pg_database WHERE datname = ${dbName}`;
    if (exists.length === 0) await admin.unsafe(`CREATE DATABASE ${dbName}`);
  } finally {
    await admin.end();
  }
  const sql = postgres(url, { max: 1 });
  try {
    await sql.unsafe(DDL);
  } finally {
    await sql.end();
  }
}