#include<stdio.h>
#include<notmuch.h>

#ifndef DB_PATH
# define DB_PATH "/home/luc/mail"
#endif

#define print_error(success) \
  if (success != NOTMUCH_STATUS_SUCCESS) \
    printf("Notmuch error: %s\n", notmuch_status_to_string(success))

int main(int argc, char** argv) {
  notmuch_database_t* database = NULL;
  notmuch_query_t* query = NULL;
  unsigned int count = 0;
  notmuch_status_t success = NOTMUCH_STATUS_SUCCESS;
  char* query_string = "is:inbox or is:spam";
  char* exclude_string = "spam";

  if (argc > 1) {
    query_string = argv[1];
  }
  if (argc > 2) {
    exclude_string = argv[2];
  }

  success = notmuch_database_open(DB_PATH, NOTMUCH_DATABASE_MODE_READ_WRITE, &database);
  print_error(success);
  query = notmuch_query_create(database, query_string);

  success = notmuch_query_count_messages_st(query, &count);
  print_error(success);
  printf("1. run of notmuch_query_count_messages_st yields %d\n", count);
  success = notmuch_query_count_messages_st(query, &count);
  print_error(success);
  printf("2. run of notmuch_query_count_messages_st yields %d\n", count);

  printf("Excluding '%s'\n", exclude_string);
  notmuch_query_add_tag_exclude(query, exclude_string);

  success = notmuch_query_count_messages_st(query, &count);
  print_error(success);
  printf("3. run of notmuch_query_count_messages_st yields %d\n", count);
  success = notmuch_query_count_messages_st(query, &count);
  print_error(success);
  printf("4. run of notmuch_query_count_messages_st yields %d\n", count);
  return 0;
}