/*******************************************************************************
 * Copyright (c) 2025, Jan Koester jan.koester@gmx.net
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 * Redistributions of source code must retain the above copyright
 *      notice, this list of conditions and the following disclaimer.
 * 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.
 * Neither the name of the <organization> nor the
 *      names of its contributors may be used to endorse or promote products
 *      derived from this software without specific prior written permission.
 *
 * 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 <COPYRIGHT HOLDER> 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.
 *******************************************************************************/

#include "user.h"

authdb::UserData::UserData(uuid_t id){
    new AuthDataRecord;

    uuid_unparse(id,uid);

    Data=nullptr;
    username=nullptr;
    firstname=nullptr;
    lastname=nullptr;
    mail=nullptr;
    pwhash=nullptr;
    avatar=nullptr;
}

authdb::UserData::~UserData(){
    delete Data;
}


void authdb::UserData::setFirstName(const char* src){
    AuthDataRecord *target=firstname;

    if(!target){
        for(AuthDataRecord *curec=Data; curec; curec=curec->next()){
            if(strcmp(curec->Data.uuid,uid)==0 &&
               strcmp(curec->Data.fieldname,"firstname")==0){
                target=curec;
                break;
            }
        }

        if(!target){
            target=Data;
            while(target){
                if(!target->_next){
                    target->_next=new AuthDataRecord;
                    target=target->next();
                    break;
                }
                target=target->next();
            };
            if(!target)
                target=new AuthDataRecord;
        }
    }
    target->Data.type=1;

    memcpy(target->Data.uuid,uid,strlen(uid)+1);
    snprintf(target->Data.fieldname,255,"%s","firstname");
    target->Data.datasize=strlen(src);
    target->Data.data= new char[target->Data.datasize];
    memcpy(target->Data.data,src,target->Data.datasize);

    firstname=target;
}

void authdb::UserData::setLastName(const char* src){
    AuthDataRecord *target=lastname;

    if(!target){
        for(AuthDataRecord *curec=Data; curec; curec=curec->next()){
            if(strcmp(curec->Data.uuid,uid)==0 &&
               strcmp(curec->Data.fieldname,"lastname")==0){
                target=curec;
                break;
            }
        }

        if(!target){
            target=Data;
            while(target){
                if(!target->_next){
                    target->_next=new AuthDataRecord;
                    target=target->next();
                    break;
                }
                target=target->next();
            };
            if(!target)
                target=new AuthDataRecord;
        }
    }
    target->Data.type=1;

    memcpy(target->Data.uuid,uid,strlen(uid)+1);
    snprintf(target->Data.fieldname,255,"%s","lastname");
    target->Data.datasize=strlen(src);
    target->Data.data= new char[target->Data.datasize];
    memcpy(target->Data.data,src,target->Data.datasize);

    lastname=target;
}

void authdb::UserData::setMail(const char* src){
    AuthDataRecord *target=mail;

    if(!target){
        for(AuthDataRecord *curec=Data; curec; curec=curec->next()){
            if(strcmp(curec->Data.uuid,uid)==0 &&
               strcmp(curec->Data.fieldname,"mail")==0){
                target=curec;
                break;
            }
        }

        if(!target){
            target=Data;
            while(target){
                if(!target->_next){
                    target->_next=new AuthDataRecord;
                    target=target->next();
                    break;
                }
                target=target->next();
            };
            if(!target)
                target=new AuthDataRecord;
        }
    }
    target->Data.type=1;

    memcpy(target->Data.uuid,uid,strlen(uid)+1);
    snprintf(target->Data.fieldname,255,"%s","mail");
    target->Data.datasize=strlen(src);
    target->Data.data= new char[target->Data.datasize];
    memcpy(target->Data.data,src,target->Data.datasize);

    mail=target;
}

void authdb::UserData::setPwHash(const char* src){
    AuthDataRecord *target=pwhash;

    if(!target){
        for(AuthDataRecord *curec=Data; curec; curec=curec->next()){
            if(strcmp(curec->Data.uuid,uid)==0 &&
               strcmp(curec->Data.fieldname,"password")==0){
                target=curec;
                break;
            }
        }

        if(!target){
            target=Data;
            while(target){
                if(!target->_next){
                    target->_next=new AuthDataRecord;
                    target=target->next();
                    break;
                }
                target=target->next();
            };
            if(!target)
                target=new AuthDataRecord;
        }
    }
    target->Data.type=1;

    memcpy(target->Data.uuid,uid,strlen(uid)+1);
    snprintf(target->Data.fieldname,255,"%s","password");
    target->Data.datasize=strlen(src);
    target->Data.data= new char[target->Data.datasize];
    memcpy(target->Data.data,src,target->Data.datasize);

    pwhash=target;
}

void authdb::UserData::setUserName(const char* src){
    AuthDataRecord *target=username;

    if(!target){
        for(AuthDataRecord *curec=Data; curec; curec=curec->next()){
            if(strcmp(curec->Data.uuid,uid)==0 &&
               strcmp(curec->Data.fieldname,"username")==0){
                target=curec;
                break;
            }
        }

        if(!target){
            target=Data;
            while(target){
                if(!target->_next){
                    target->_next=new AuthDataRecord;
                    target=target->next();
                    break;
                }
                target=target->next();
            };
            if(!target)
                target=new AuthDataRecord;
        }
    }

    target->Data.type=1;
    memcpy(target->Data.uuid,uid,strlen(uid)+1);
    snprintf(target->Data.fieldname,255,"%s","username");
    target->Data.datasize=strlen(src);
    target->Data.data= new char[target->Data.datasize];
    memcpy(target->Data.data,src,target->Data.datasize);

    username=target;
}

void authdb::UserData::setAvatar(const std::vector<char>& src){
    AuthDataRecord *target=avatar;

    if(!target){
        for(AuthDataRecord *curec=Data; curec; curec=curec->next()){
            if(strcmp(curec->Data.uuid,uid)==0 &&
               strcmp(curec->Data.fieldname,"lastname")==0){
                target=curec;
                break;
            }
        }

        if(!target){
            target=Data;
            while(target){
                if(!target->_next){
                    target->_next=new AuthDataRecord;
                    target=target->next();
                    break;
                }
                target=target->next();
            };
            if(!target)
                target=new AuthDataRecord;
        }
    }

    target->Data.type=1;

    memcpy(target->Data.uuid,uid,strlen(uid)+1);
    snprintf(target->Data.fieldname,255,"%s","lastname");
    target->Data.datasize=src.size();
    target->Data.data= new char[target->Data.datasize];
    memcpy(target->Data.data,src.data(),target->Data.datasize);

    avatar=target;
}


void authdb::User::create(AuthBackend &backend,UserData* dat){
    authdb::AuthData cur;

    size_t rd=sizeof(authdb::AuthHeader),end=backend.end();

    backend.setPos(rd);

    std::string userlist="UserList:\r\n";

    while(rd<end){
        backend.ReadAuthData(cur,rd);
        rd=backend.getPos();
        if(strcmp(cur.fieldname,"username")==0 &&
            strncmp(cur.data,dat->username->Data.data,dat->username->Data.datasize) == 0){
            throw authdb::AuthBackendError("Create User: Username Exists aborting!");
        }else if(strcmp(cur.uuid,dat->username->Data.uuid)==0){
            throw authdb::AuthBackendError("Create User: UUID already Exists aborting!");
        }
    }

    for(AuthDataRecord *curec=dat->Data; curec; curec=curec->next()){
         backend.WriteAuthData(curec->Data,backend.end());
    }
}

void authdb::User::edit(AuthBackend &backend, uuid_t uid,UserData& dat, size_t pos){
}

void authdb::User::remove(AuthBackend &backend, uuid_t uid){
}

void authdb::User::info(AuthBackend &backend, uuid_t uid,UserData& dat, size_t pos)
{
}

void authdb::User::getAdditional(AuthBackend &backend, uuid_t uid, struct AuthData& data, size_t pos){
}

void authdb::User::editAdditional(AuthBackend &backend, uuid_t uid, struct AuthData& data, const char* fieldname){
}

void authdb::User::remAdditional(AuthBackend &backend, uuid_t uid, const char* fieldname){
}