#include <stdlib.h>
#include <mailutils/mailutils.h>


int main(int argc, char *argv[]) {
    mailbox_t mbox;
    int status;
    size_t total, msgno, new = 0;
    message_t msg;
    attribute_t attr;
    
    if(argc < 2) {
        fprintf(stderr, "Usage: %s <URL>\n", argv[0]);
        return EXIT_FAILURE;
    }

    mu_register_all_mbox_formats();
    if((status = mailbox_create(&mbox, argv[1])) != 0)
        goto mbox_err;
    if((status = mailbox_open(mbox, MU_STREAM_READ)) != 0)
        goto mbox_err;
    if((status = mailbox_messages_count(mbox, &total)) != 0)
        goto mbox_err;
    for(msgno = 1; msgno <= total; msgno++) {
        if((status = mailbox_get_message(mbox, msgno, &msg)) == 0) {
            if((status = message_get_attribute(msg, &attr)) == 0) {
                if(!(attribute_is_deleted(attr) || attribute_is_read(attr)))
                    new++;
            } else {
                message_destroy(&msg, NULL);
                goto mbox_err;
            }
            message_destroy(&msg, NULL);
        } else {
            goto mbox_err;
        }
    }
    if((status = mailbox_close(mbox)) != 0)
        goto mbox_err;
    printf("%u new messages.\n", new);
    return EXIT_SUCCESS;

  mbox_err:
    mu_error("mailbox error: %s", mu_strerror(status));
    return EXIT_FAILURE;
}