const nome = _req.getString("nome");
const email = _req.getString("email");
const telefone = _req.getString("telefone");
const pais = _req.getValues("pais",_val.map());

const emailExists = _db.queryFirst(
  `SELECT CASE WHEN COUNT(1) > 0 THEN TRUE ELSE FALSE END AS result FROM cliente WHERE email = ?::varchar`,
  _val.init()
    .add(email)
  );

if (emailExists.getBoolean("result")) {
  _header.status(400);
  _out.json(
    _val.map()
      .set("error",true)
      .set("message","email already exists!")
  )
  _exec.stop();
};

/*
const dbPais = _db.queryFirst(`SELECT id FROM pais WHERE uid = ?::uuid`,pais);

if(dbPais == null){
  _header.status(400);
  _out.json(
    _val.map()
      .set("error", true)
      .set("message","country not exists!")
  );
  _exec.stop();
}
*/

_db.execute(`
  INSERT INTO cliente
    (nome, email, telefone, pais_uid)
  VALUES
    (?::varchar, ?::varchar, ?::varchar, ?::UUID)
`,nome, email, telefone, pais.getUUID('uid'))

_header.status(201);
_out.json(
  _val.map()
    .set("result", true)
)