/* Copyright 2005 The Apache Software Foundation or its licensors, as
 * applicable.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

#include "apr.h"
#include "apr_strings.h"
#include "apr_date.h"
#include "apr_buckets.h"

#ifndef NO_MBOX_SEARCH
#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"
#endif

#ifndef MBOX_SEARCH_H
#define MBOX_SEARCH_H

#ifdef __cplusplus
extern "C" {
#endif

typedef struct mbox_search_doc_t {
    const char* msgid;
    const char* list;
    const char* domain;
    const char* from;
    const char* subject;
    char date[APR_RFC822_DATE_LEN+1];
    float score;
} mbox_search_doc_t;

typedef struct mbox_search_query_t {
    const char* msgid;
    const char* list;
    const char* domain;
    const char* from;
    const char* subject;
    const char* terms;
} mbox_search_query_t;

typedef struct mbox_searcher_t {
    void* reader;
} mbox_searcher_t;

typedef struct mbox_indexer_t {
#ifndef NO_MBOX_SEARCH
    apr_pool_t* pool;
    apr_pool_t* tpool;
    lcn_analyzer_t *analyzer;
    lcn_index_writer_t* writer;
    lcn_searcher_t* searcher;
    const char* path;
#endif
} mbox_indexer_t;

apr_status_t mbox_indexer_init(mbox_indexer_t** ctx, const char* path,
                               apr_pool_t* pool);

apr_status_t mbox_indexer_optimize(mbox_indexer_t* ctx);

apr_status_t mbox_indexer_close(mbox_indexer_t* ctx);

apr_status_t mbox_indexer_add(mbox_indexer_t* ctx, mbox_search_doc_t* doc);


typedef int (query_callback_fn_t)(void* baton, int position,
                                  mbox_search_doc_t* rdoc);

apr_status_t mbox_search_init(mbox_searcher_t** ctx_, const char* path,
                              apr_pool_t* pool);

apr_status_t mbox_search_query_do(mbox_searcher_t* ctx,
                                  mbox_search_query_t* qt,
                                  query_callback_fn_t* cb, void* baton);

apr_status_t mbox_search_close(mbox_searcher_t* ctx);

#ifdef __cplusplus
}
#endif

#endif