/// @file

#include "jets/q.h"
#include "jets/w.h"

#include "noun.h"
#include "urcrypt.h"

  static u3_atom
  _cqee_veri_octs(u3_noun sig,
             u3_noun len,
             u3_noun dat,
             u3_noun pub)
  {
    c3_y sig_y[64], pub_y[32];
    c3_w len_w;
    if ( (0 != u3r_bytes_fit(64, sig_y, sig)) ||
         (0 != u3r_bytes_fit(32, pub_y, pub)) ||
         !u3r_word_fit(&len_w, len) ) {
      return c3n;
    }
    else {
      c3_y* dat_y = u3r_bytes_alloc(0, len_w, dat);
      c3_t  val_t = urcrypt_ed_veri(dat_y, len_w, pub_y, sig_y);
      u3a_free(dat_y);

      return val_t ? c3y : c3n;
    }
  }

  u3_noun
  u3wee_veri_octs(u3_noun cor)
  {
    u3_noun sig, msg, pub;
    u3_noun len, dat;
    if ( c3n == u3r_mean(cor,
                         u3x_sam_2, &sig, u3x_sam_6, &msg,
                         u3x_sam_7, &pub, 0) ||
         c3n == u3r_cell(msg, &len, &dat) ||
         (c3n == u3ud(sig)) ||
         (c3n == u3ud(pub)) ||
         (c3n == u3ud(len)) ||
         (c3n == u3ud(dat)) ) {
      return u3m_bail(c3__fail);
    } else {
      return _cqee_veri_octs(sig, len, dat, pub);
    }
  }

  static u3_atom
  _cqee_veri(u3_noun s,
             u3_noun m,
             u3_noun pk)
  {
    c3_y  sig_y[64], pub_y[32];

    if ( (0 != u3r_bytes_fit(64, sig_y, s)) ||
         (0 != u3r_bytes_fit(32, pub_y, pk)) ) {
      return c3n;
    }
    else {
      c3_w  met_w;
      c3_y* mes_y = u3r_bytes_all(&met_w, m);
      c3_t  val_t = urcrypt_ed_veri(mes_y, met_w, pub_y, sig_y);
      u3a_free(mes_y);

      return val_t ? c3y : c3n;
    }
  }

  u3_noun
  u3wee_veri(u3_noun cor)
  {
    u3_noun a, b, c;
    if ( (c3n == u3r_mean(cor,
                         u3x_sam_2, &a, u3x_sam_6, &b,
                         u3x_sam_7, &c, 0)) ||
         (c3n == u3ud(a)) ||
         (c3n == u3ud(b)) ||
         (c3n == u3ud(c)) ) {
      return u3m_bail(c3__fail);
    } else {
      return _cqee_veri(a, b, c);
    }
  }