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/*
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
 *
 * Copyright 2019 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 WEBDAV_H
#define	WEBDAV_H

#include "../public/webdav.h"

#include <cx/map.h>
#include <cx/list.h>
#include <cx/buffer.h>
#include <cx/string.h>

#ifdef	__cplusplus
extern "C" {
#endif
   
typedef struct WebdavType {
    webdav_init_func   init;
    webdav_create_func create;
} WebdavType;
    
typedef struct DefaultWebdavData {
    WebdavVFSProperties vfsproperties;
} DefaultWebdavData;

typedef struct WebdavPropfindRequestList WebdavPropfindRequestList;
struct WebdavPropfindRequestList {
    WebdavPropfindRequest *propfind;
    WebdavPropfindRequestList *next;
};
    
WebdavType* webdav_get_type(cxstring dav_class);

void* webdav_init_backend(ServerConfiguration *cfg, pool_handle_t *pool, WebdavType *dav_class, WSConfigNode *config, int *error);  

int webdav_init(pblock *pb, Session *sn, Request *rq);
    
int webdav_service(pblock *pb, Session *sn, Request *rq);

/*
 * returns a buffer containing the request body
 * 
 * this function sets an http response code in case of an error
 * or missing request body
 */
int rqbody2buffer(Session *sn, Request *rq, CxBuffer *buf);


int webdav_options(pblock *pb, Session *sn, Request *rq);

int webdav_propfind(pblock *pb, Session *sn, Request *rq);

int webdav_propfind_init(
        WebdavBackend *dav,
        WebdavPropfindRequest *propfind,
        const char *path,
        const char *uri,
        WebdavPropfindRequestList **out_req);

int webdav_propfind_do(
        WebdavBackend *dav,
        WebdavPropfindRequest *propfind,
        WebdavResponse *response,
        VFSContext *vfs,
        char *path,
        char *uri);


int webdav_proppatch(pblock *pb, Session *sn, Request *rq);
int webdav_mkcol(pblock *pb, Session *sn, Request *rq);
int webdav_post(pblock *pb, Session *sn, Request *rq);
int webdav_delete(pblock *pb, Session *sn, Request *rq);
int webdav_put(pblock *pb, Session *sn, Request *rq);
int webdav_copy(pblock *pb, Session *sn, Request *rq);
int webdav_move(pblock *pb, Session *sn, Request *rq);
int webdav_lock(pblock *pb, Session *sn, Request *rq);
int webdav_unlock(pblock *pb, Session *sn, Request *rq);
int webdav_report(pblock *pb, Session *sn, Request *rq);
int webdav_acl(pblock *pb, Session *sn, Request *rq);
int webdav_search (pblock *pb, Session *sn, Request *rq);


int default_propfind_init(
        WebdavPropfindRequest *rq,
        const char *path,
        const char *href,
        WebdavPList **outplist);
int default_propfind_do(
        WebdavPropfindRequest *request,
        WebdavResponse *response,
        VFS_DIR parent,
        WebdavResource *resource,
        struct stat *s);
int default_propfind_finish(WebdavPropfindRequest *rq);
int default_proppatch_do(
            WebdavProppatchRequest *request,
            WebdavResource *response,
            VFSFile *file,
            WebdavPList **setInOut,
            WebdavPList **removeInOut);
int default_proppatch_finish(
            WebdavProppatchRequest *request,
            WebdavResource *response,
            VFSFile *file,
            WSBool commit);

CxHashKey webdav_property_key(const char *ns, const char *name);

CxHashKey webdav_property_key_a(const CxAllocator *a, const char *ns, const char *name);

#ifdef	__cplusplus
}
#endif

#endif	/* WEBDAV_H */