#include <apr.h>

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

#include "lcn_init.h"
#include "lcn_document.h"
#include "lcn_pools.h"
#include "lcn_index_writer.h"
#include "lcn_query_parser.h"
#include "lcn_searcher.h"

int
main (int argc, char *argv[])
{
  apr_initialize ();

  atexit (apr_terminate);

  lcn_init ();

  lcn_thread_attach ();

  lcn_document_t *doc;
  lcn_field_t *field;
  lcn_error_t *err;

  apr_pool_t *pool = lcn_pool_create (NULL);

  err = lcn_document_create (&doc, pool);
  if (err)
    fprintf (stderr, "error creating document :(\n");

  err = lcn_field_text (&field, "path", "foo", pool);
  if (err)
    fprintf (stderr, "error creating field: %s\n", err->message);

  err = lcn_document_add_field (doc, field);
  if (err)
    fprintf (stderr, "error adding field to document :(\n");

  lcn_analyzer_t *analyzer;

  err = lcn_analyzer_standard_create (&analyzer, pool);
  if (err)
    fprintf (stderr, "error creating analyzer: %s\n", err->message);

  lcn_index_writer_t *writer;

  err = lcn_index_writer_create (&writer, "index", analyzer, pool);
  if (err)
    fprintf (stderr, "error creating index: %s\n", err->message);

  err = lcn_index_writer_add_document (writer, doc, pool);
  if (err)
    fprintf (stderr, "error adding document to index: %s\n", err->message);

  lcn_searcher_t *searcher;

  err = lcn_index_searcher_open (&searcher, "test/data/index", pool);
  if (err)
    fprintf (stderr, "error opening searcher... %s\n", err->message);

  lcn_query_t *query;

  err = lcn_query_parse (&query, "foo", "contents", analyzer, pool);
  if (err)
    fprintf (stderr, "error parsing query\n");

  apr_array_header_t *hits = NULL;

  err = lcn_searcher_search (&hits, searcher, query, NULL, NULL, pool);
  if (err)
    fprintf (stderr, "error running search: %s\n", err->message);

  if (hits)
    printf ("got %d results\n", hits->nelts);

  lcn_pool_destroy (pool);

  lcn_thread_detach ();

  return 0;
}