/*
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
 *
 * Copyright 2018 Olaf Wintermann. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *
 *   1. Redistributions of source code must retain the above copyright
 *      notice, this list of conditions and the following disclaimer.
 *
 *   2. Redistributions in binary form must reproduce the above copyright
 *      notice, this list of conditions and the following disclaimer in the
 *      documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 */

#ifndef METHODS_H
#define	METHODS_H

#include "webdav.h"
#include "resource.h"

#include <ucx/list.h>

#ifdef	__cplusplus
extern "C" {
#endif

typedef struct PropfindParser PropfindParser;
typedef struct ResponseTag    ResponseTag;
typedef struct LockDiscovery  LockDiscovery;

struct PropfindParser {
    xmlDoc *document;
    xmlNode *current;
};

struct ResponseTag {
    char    *href;
    int     iscollection;
    UcxList *properties;
    char    *crypto_name;
    char    *crypto_key;
};

struct LockDiscovery {
    char    *timeout;
    char    *locktoken;
};

int dav_buffer_seek(UcxBuffer *b, curl_off_t offset, int origin);

CURLcode do_propfind_request(
        DavSession *sn,
        UcxBuffer *request,
        UcxBuffer *response);

CURLcode do_proppatch_request(
        DavSession *sn,
        char *lock,
        UcxBuffer *request,
        UcxBuffer *response);

CURLcode do_put_request(
        DavSession *sn,
        char *lock,
        DavBool create,
        void *data,
        dav_read_func read_func,
        dav_seek_func seek_func,
        size_t length);

UcxBuffer* create_allprop_propfind_request(void);
UcxBuffer* create_cryptoprop_propfind_request(void);
UcxBuffer* create_propfind_request(DavSession *sn, UcxList *properties, char *rootelm, DavBool nocrypt);
UcxBuffer* create_basic_propfind_request(void);

PropfindParser* create_propfind_parser(UcxBuffer *response, char *url);
void destroy_propfind_parser(PropfindParser *parser);
int get_propfind_response(PropfindParser *parser, ResponseTag *result);
void cleanup_response(ResponseTag *result);

int hrefeq(DavSession *sn, char *href1, char *href2);
DavResource* response2resource(DavSession *sn, ResponseTag *response, char *parent_path);
void add_properties(DavResource *res, ResponseTag *response);

DavResource* parse_propfind_response(DavSession *sn, DavResource *root, UcxBuffer *response);
int parse_response_tag(DavResource *resource, xmlNode *node);
void set_davprops(DavResource *res);

/*
 * parses the content of a resourcetype element
 * returns 1 if the resourcetype is a collection, 0 otherwise
 */
int parse_resource_type(xmlNode *node);

UcxBuffer* create_proppatch_request(DavResourceData *data);
UcxBuffer* create_crypto_proppatch_request(DavSession *sn, DavKey *key, const char *name, const char *hash);

CURLcode do_delete_request(DavSession *sn, char *lock, UcxBuffer *response);

CURLcode do_mkcol_request(DavSession *sn, char *lock);

CURLcode do_head_request(DavSession *sn);

CURLcode do_copy_move_request(DavSession *sn, char *dest, char *lock, DavBool copy, DavBool override);

UcxBuffer* create_lock_request(void);
int parse_lock_response(DavSession *sn, UcxBuffer *response, LockDiscovery *lock);
CURLcode do_lock_request(DavSession *sn, UcxBuffer *request, UcxBuffer *response, time_t timeout);
CURLcode do_unlock_request(DavSession *sn, char *locktoken);

CURLcode do_simple_request(DavSession *sn, char *method, char *locktoken);

CURLcode do_report_request(DavSession *sn, UcxBuffer *request, UcxBuffer *response);

#ifdef	__cplusplus
}
#endif

#endif	/* METHODS_H */