#include "amduat/asl/store.h"
#include "amduat/enc/asl1_core.h"
#include "amduat/hash/asl1.h"

static bool amduat_asl_store_config_supported(
    const amduat_asl_store_config_t *config) {
  const amduat_hash_asl1_desc_t *hash_desc;

  if (config == NULL) {
    return false;
  }
  if (amduat_enc_asl1_core_desc_lookup(config->encoding_profile_id) == NULL) {
    return false;
  }
  hash_desc = amduat_hash_asl1_desc_lookup(config->hash_id);
  if (hash_desc == NULL || hash_desc->digest_len == 0 ||
      hash_desc->impl.digest == NULL) {
    return false;
  }
  return true;
}

void amduat_asl_store_init(amduat_asl_store_t *store,
                           amduat_asl_store_config_t config,
                           amduat_asl_store_ops_t ops,
                           void *ctx) {
  if (store == NULL) {
    return;
  }
  store->config = config;
  store->ops = ops;
  store->ctx = ctx;
}

amduat_asl_store_error_t amduat_asl_store_put(amduat_asl_store_t *store,
                                              amduat_artifact_t artifact,
                                              amduat_reference_t *out_ref) {
  if (store == NULL || store->ops.put == NULL) {
    return AMDUAT_ASL_STORE_ERR_UNSUPPORTED;
  }
  if (!amduat_asl_store_config_supported(&store->config)) {
    return AMDUAT_ASL_STORE_ERR_UNSUPPORTED;
  }
  return store->ops.put(store->ctx, artifact, out_ref);
}

amduat_asl_store_error_t amduat_asl_store_get(amduat_asl_store_t *store,
                                              amduat_reference_t ref,
                                              amduat_artifact_t *out_artifact) {
  if (store == NULL || store->ops.get == NULL) {
    return AMDUAT_ASL_STORE_ERR_UNSUPPORTED;
  }
  if (!amduat_asl_store_config_supported(&store->config)) {
    return AMDUAT_ASL_STORE_ERR_UNSUPPORTED;
  }
  if (ref.hash_id != store->config.hash_id) {
    return AMDUAT_ASL_STORE_ERR_UNSUPPORTED;
  }
  return store->ops.get(store->ctx, ref, out_artifact);
}