#ifndef _POSIX_C_SOURCE
#define _POSIX_C_SOURCE 200809L
#endif

#include "amduatd_store.h"

#include "amduat/asl/asl_store_fs_meta.h"
#include "amduat/enc/asl_log.h"

#include <stdio.h>
#include <stdlib.h>
#include <string.h>

static char *amduatd_test_make_temp_dir(void) {
  char tmpl[] = "/tmp/amduatd-store-XXXXXX";
  char *dir = mkdtemp(tmpl);
  size_t len;
  char *copy;
  if (dir == NULL) {
    perror("mkdtemp");
    return NULL;
  }
  len = strlen(dir);
  copy = (char *)malloc(len + 1u);
  if (copy == NULL) {
    fprintf(stderr, "failed to allocate temp dir copy\n");
    return NULL;
  }
  memcpy(copy, dir, len + 1u);
  return copy;
}

int main(void) {
  char *root = amduatd_test_make_temp_dir();
  amduat_asl_store_fs_config_t cfg;
  amduatd_store_ctx_t store_ctx;
  amduat_asl_store_t store;
  amduat_asl_log_record_t *records = NULL;
  size_t record_count = 0;
  amduat_asl_store_error_t scan_err;

  if (root == NULL) {
    return 1;
  }

  memset(&cfg, 0, sizeof(cfg));
  if (!amduat_asl_store_fs_init_root(root, NULL, &cfg)) {
    fprintf(stderr, "failed to init store root\n");
    free(root);
    return 1;
  }

  memset(&store_ctx, 0, sizeof(store_ctx));
  memset(&store, 0, sizeof(store));
  if (!amduatd_store_init(&store,
                          &cfg,
                          &store_ctx,
                          root,
                          AMDUATD_STORE_BACKEND_FS)) {
    fprintf(stderr, "failed to init fs backend\n");
    free(root);
    return 1;
  }

  if (store.ops.log_scan != NULL) {
    fprintf(stderr, "fs backend unexpectedly supports log_scan\n");
    free(root);
    return 1;
  }

  scan_err = amduat_asl_log_scan(&store, &records, &record_count);
  if (scan_err != AMDUAT_ASL_STORE_ERR_UNSUPPORTED) {
    fprintf(stderr, "fs backend log_scan returned %d\n", (int)scan_err);
    free(root);
    return 1;
  }

  memset(&store_ctx, 0, sizeof(store_ctx));
  memset(&store, 0, sizeof(store));
  if (!amduatd_store_init(&store,
                          &cfg,
                          &store_ctx,
                          root,
                          AMDUATD_STORE_BACKEND_INDEX)) {
    fprintf(stderr, "failed to init index backend\n");
    free(root);
    return 1;
  }

  if (store.ops.log_scan == NULL) {
    fprintf(stderr, "index backend missing log_scan\n");
    free(root);
    return 1;
  }

  scan_err = amduat_asl_log_scan(&store, &records, &record_count);
  if (scan_err != AMDUAT_ASL_STORE_OK) {
    fprintf(stderr, "index backend log_scan returned %d\n", (int)scan_err);
    free(root);
    return 1;
  }

  if (records != NULL) {
    amduat_enc_asl_log_free(records, record_count);
  }

  free(root);
  return 0;
}