// Copyright (c) Athena Dev Teams - Licensed under GNU GPL
// For more information, see LICENCE in the main folder

// original code from athena
// SQL conversion by hack

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "char.h"
#include "../common/db.h"
#include "../common/strlib.h"
#include "../common/socket.h"
#include "../common/showmsg.h"

static struct party *party_pt;
static struct dbt *party_db_;

int mapif_party_broken(int party_id,int flag);
int party_check_empty(struct party *p);
int mapif_parse_PartyLeave(int fd, int party_id, int account_id, int char_id);

#ifndef SQL_DEBUG

#define mysql_query(_x, _y) mysql_real_query(_x, _y, strlen(_y)) //supports ' in names and runs faster [Kevin]

#else 

#define mysql_query(_x, _y) debug_mysql_query(__FILE__, __LINE__, _x, _y)

#endif

//Party Flags on what to save/delete.
//Create a new party entry (index holds leader's info) 
#define PS_CREATE 0x01
//Update basic party info.
#define PS_BASIC 0x02
//Update party's leader
#define PS_LEADER 0x04
//Specify new party member (index specifies which party member)
#define PS_ADDMEMBER 0x08
//Specify member that left (index specifies which party member)
#define PS_DELMEMBER 0x10
//Specify that this party must be deleted.
#define PS_BREAK 0x20

// Save party to mysql
int inter_party_tosql(struct party *p, int flag, int index)
{
	// 'party' ('party_id','name','exp','item','leader_id','leader_char')
	char t_name[NAME_LENGTH*2]; //Required for jstrescapecpy [Skotlex]
	int party_id;
	if (p == NULL || p->party_id == 0)
		return 0;
	party_id = p->party_id;

#ifdef NOISY
	ShowInfo("Save party request ("CL_BOLD"%d"CL_RESET" - %s).\n", party_id, p->name);
#endif
	jstrescapecpy(t_name, p->name);

	if (flag&PS_BREAK) { //Break the party
		// we'll skip name-checking and just reset everyone with the same party id [celest]
		sprintf (tmp_sql, "UPDATE `%s` SET `party_id`='0' WHERE `party_id`='%d'", char_db, party_id);
		if (mysql_query(&mysql_handle, tmp_sql)) {
			ShowSQL("DB error - %s\n",mysql_error(&mysql_handle));
			ShowDebug("at %s:%d - %s\n", __FILE__,__LINE__,tmp_sql);
		}
		sprintf(tmp_sql, "DELETE FROM `%s` WHERE `party_id`='%d'", party_db, party_id);
		if (mysql_query(&mysql_handle, tmp_sql)) {
			ShowSQL("DB error - %s\n",mysql_error(&mysql_handle));
			ShowDebug("at %s:%d - %s\n", __FILE__,__LINE__,tmp_sql);
		}
		//Remove from memory
		idb_remove(party_db_, party_id);
		return 1;
	}

	if(flag&PS_CREATE) { //Create party
		sprintf(tmp_sql, "INSERT INTO `%s` "
			"(`name`, `exp`, `item`, `leader_id`, `leader_char`) "
			"VALUES ('%s', '%d', '%d', '%d', '%d')",
			party_db, t_name, p->exp, p->item, p->member[index].account_id, p->member[index].char_id);
		if (mysql_query(&mysql_handle, tmp_sql)) {
			ShowSQL("DB error - %s\n",mysql_error(&mysql_handle));
			ShowDebug("at %s:%d - %s\n", __FILE__,__LINE__,tmp_sql);
			aFree(p); //Free party, couldn't create it.
			return 0;
		}
		if(mysql_field_count(&mysql_handle) == 0 &&
			mysql_insert_id(&mysql_handle) != 0)
			party_id = p->party_id = mysql_insert_id(&mysql_handle);
		else { //Failed to retrieve ID??
			aFree(p); //Free party, couldn't create it.
			return 0;
		}
		//Add party to db
		idb_put(party_db_, party_id, p);
	}

	if (flag&PS_BASIC) {
		//Update party info.
		sprintf(tmp_sql, "UPDATE `%s` SET `name`='%s', `exp`='%d', `item`='%d' WHERE `party_id`='%d'",
			party_db, t_name, p->exp, p->item, party_id);
		if (mysql_query(&mysql_handle, tmp_sql)) {
			ShowSQL("DB error - %s\n",mysql_error(&mysql_handle));
			ShowDebug("at %s:%d - %s\n", __FILE__,__LINE__,tmp_sql);
		}
	}

	if (flag&PS_LEADER) {
		//Update leader
		sprintf(tmp_sql, "UPDATE `%s`  SET `leader_id`='%d', `leader_char`='%d' WHERE `party_id`='%d'",
			party_db, p->member[index].account_id, p->member[index].char_id, party_id);
		if (mysql_query(&mysql_handle, tmp_sql)) {
			ShowSQL("DB error - %s\n",mysql_error(&mysql_handle));
			ShowDebug("at %s:%d - %s\n", __FILE__,__LINE__,tmp_sql);
		}
	}
	
	if (flag&PS_ADDMEMBER) {
		//Add one party member.
		sprintf (tmp_sql, "UPDATE `%s` SET `party_id`='%d' WHERE `account_id`='%d' AND `char_id`='%d'",
			char_db, party_id, p->member[index].account_id, p->member[index].char_id);
		if (mysql_query (&mysql_handle, tmp_sql)) {
			ShowSQL("DB error - %s\n",mysql_error(&mysql_handle));
			ShowDebug("at %s:%d - %s\n", __FILE__,__LINE__,tmp_sql);
		}
	}

	if (flag&PS_DELMEMBER) {
		//Remove one party member.
		sprintf (tmp_sql, "UPDATE `%s` SET `party_id`='0' WHERE `party_id`='%d' AND `account_id`='%d' AND `char_id`='%d'",
			char_db, party_id, p->member[index].account_id, p->member[index].char_id);
		if (mysql_query (&mysql_handle, tmp_sql)) {
			ShowSQL("DB error - %s\n",mysql_error(&mysql_handle));
			ShowDebug("at %s:%d - %s\n", __FILE__,__LINE__,tmp_sql);
		}
	}

	if (save_log)
		ShowInfo("Party Saved (%d - %s)\n", party_id, p->name);
	return 1;
}

// Read party from mysql
struct party *inter_party_fromsql(int party_id)
{
	int leader_id = 0, leader_char = 0;
	struct party *p;
#ifdef NOISY
	ShowInfo("Load party request ("CL_BOLD"%d"CL_RESET")\n", party_id);
#endif
	if (party_id <=0)
		return NULL;
	
	//Load from memory
	if ((p = idb_get(party_db_, party_id)) != NULL)
		return p;
	
	p = party_pt;
	memset(p, 0, sizeof(struct party));

	sprintf(tmp_sql, "SELECT `party_id`, `name`,`exp`,`item`, `leader_id`, `leader_char` FROM `%s` WHERE `party_id`='%d'",
		party_db, party_id); // TBR
	if (mysql_query(&mysql_handle, tmp_sql)) {
		ShowSQL("DB error - %s\n",mysql_error(&mysql_handle));
		ShowDebug("at %s:%d - %s\n", __FILE__,__LINE__,tmp_sql);
		return NULL;
	}

	sql_res = mysql_store_result(&mysql_handle) ;
	if (sql_res != NULL && mysql_num_rows(sql_res) > 0) {
		sql_row = mysql_fetch_row(sql_res);
		p->party_id = party_id;
		memcpy(p->name, sql_row[1], NAME_LENGTH-1);
		p->exp = atoi(sql_row[2])?1:0;
		p->item = atoi(sql_row[3]);
		leader_id = atoi(sql_row[4]);
		leader_char = atoi(sql_row[5]);
	} else {
		mysql_free_result(sql_res);
		return NULL;
	}
	mysql_free_result(sql_res);

	// Load members
	sprintf(tmp_sql,"SELECT `account_id`,`char_id`,`name`,`base_level`,`last_map`,`online` FROM `%s` WHERE `party_id`='%d'",
		char_db, party_id); // TBR
	if (mysql_query(&mysql_handle, tmp_sql)) {
		ShowSQL("DB error - %s\n",mysql_error(&mysql_handle));
		ShowDebug("at %s:%d - %s\n", __FILE__,__LINE__,tmp_sql);
		return NULL;
	}
	sql_res = mysql_store_result(&mysql_handle);
	if (sql_res != NULL && mysql_num_rows(sql_res) > 0) {
		int i;
		for (i = 0; (sql_row = mysql_fetch_row(sql_res)); i++) {
			struct party_member *m = &p->member[i];
			m->account_id = atoi(sql_row[0]);
			m->char_id = atoi(sql_row[1]);
			m->leader = (m->account_id == leader_id && m->char_id == leader_char)?1:0;
			memcpy(m->name, sql_row[2], NAME_LENGTH);
			m->lv = atoi(sql_row[3]);
			m->map = mapindex_name2id(sql_row[4]);
			m->online = atoi(sql_row[5])?1:0;
		}
	}
	mysql_free_result(sql_res);

	if (save_log)
		ShowInfo("Party loaded (%d - %s).\n",party_id, p->name);
	//Add party to memory.
	p = aCalloc(1, sizeof(struct party));
	memcpy(p, party_pt, sizeof(struct party));
	idb_put(party_db_, party_id, p);
	return p;
}

int inter_party_sql_init(void){
	//memory alloc
	party_db_ = db_alloc(__FILE__,__LINE__,DB_INT,DB_OPT_RELEASE_DATA,sizeof(int));
	party_pt = (struct party*)aCalloc(sizeof(struct party), 1);
	if (!party_pt) {
		ShowFatalError("inter_party_sql_init: Out of Memory!\n");
		exit(1);
	}

	/* Uncomment the following if you want to do a party_db cleanup (remove parties with no members) on startup.[Skotlex]
	ShowStatus("cleaning party table...\n");
	sprintf (tmp_sql,
		"DELETE FROM `%s` USING `%s` LEFT JOIN `%s` ON `%s`.leader_id =`%s`.account_id AND `%s`.leader_char = `%s`.char_id WHERE `%s`.account_id IS NULL",
		party_db, party_db, char_db, party_db, char_db, party_db, char_db, char_db);
	if (mysql_query(&mysql_handle, tmp_sql)) {
		ShowSQL("DB error - %s\n",mysql_error(&mysql_handle));
		ShowDebug("at %s:%d - %s\n", __FILE__,__LINE__,tmp_sql);
	}
	*/
	return 0;
}

void inter_party_sql_final(void)
{
	party_db_->destroy(party_db_, NULL);
	aFree(party_pt);
	return;
}

// Search for the party according to its name
struct party* search_partyname(char *str)
{
	char t_name[NAME_LENGTH*2];
	int party_id;

	sprintf(tmp_sql,"SELECT `party_id` FROM `%s` WHERE `name`='%s'",party_db, jstrescapecpy(t_name,str));
	if(mysql_query(&mysql_handle, tmp_sql) ) {
		ShowSQL("DB error - %s\n",mysql_error(&mysql_handle));
		ShowDebug("at %s:%d - %s\n", __FILE__,__LINE__,tmp_sql);
	}
	sql_res = mysql_store_result(&mysql_handle) ;
	if (sql_res==NULL || mysql_num_rows(sql_res)<=0)
	{
		if (sql_res) mysql_free_result(sql_res);
		return NULL;
	}
	sql_row = mysql_fetch_row(sql_res);
	party_id = sql_row?atoi(sql_row[0]):0;
	mysql_free_result(sql_res);

	return inter_party_fromsql(party_id);
}

// EXP公平分配できるかチェック
int party_check_exp_share(struct party *p)
{
	int i, oi[MAX_PARTY], dudes=0;
	int maxlv=0,minlv=0x7fffffff;
	
	for(i=0;i<MAX_PARTY;i++){
		int lv=p->member[i].lv;
		if (!lv) continue;
		if( p->member[i].online ){
			if( lv < minlv ) minlv=lv;
			if( maxlv < lv ) maxlv=lv;
			if( lv >= 70 ) dudes+=1000;
			oi[dudes%1000] = i;
			dudes++;
		}
	}
	if((dudes/1000 >= 2) && (dudes%1000 == 3) && maxlv-minlv>party_share_level)
	{
		int pl1=0,pl2=0,pl3=0;
		pl1=char_nick2id(p->member[oi[0]].name);
		pl2=char_nick2id(p->member[oi[1]].name);
		pl3=char_nick2id(p->member[oi[2]].name);
		ShowDebug("PARTY: group of 3 Id1 %d lv %d name %s Id2 %d lv %d name %s Id3 %d lv %d name %s\n",pl1,p->member[oi[0]].lv,p->member[oi[0]].name,pl2,p->member[oi[1]].lv,p->member[oi[1]].name,pl3,p->member[oi[2]].lv,p->member[oi[2]].name);
		if (char_married(pl1,pl2) && char_child(pl1,pl3))
			return 1;
		if (char_married(pl1,pl3) && char_child(pl1,pl2))
			return 1;
		if (char_married(pl2,pl3) && char_child(pl2,pl1))
			return 1;
	}
	return (maxlv==0 || maxlv-minlv<=party_share_level);
}

// Is there any member in the party?
int party_check_empty(struct party *p)
{
	int i;
	if (p==NULL||p->party_id==0) return 1;
	for(i=0;i<MAX_PARTY;i++){
		if(p->member[i].account_id>0){
			return 0;
		}
	}
	// If there is no member, then break the party
	mapif_party_broken(p->party_id,0);
	inter_party_tosql(p, PS_BREAK, 0);
	return 1;
}


// Check if a member is in two party, not necessary :)
int party_check_conflict(int party_id,int account_id,int char_id)
{
	return 0;
}

//-------------------------------------------------------------------
// map serverへの通信

// パーティ作成可否
int mapif_party_created(int fd,int account_id,int char_id,struct party *p)
{
	WFIFOW(fd,0)=0x3820;
	WFIFOL(fd,2)=account_id;
	WFIFOL(fd,6)=char_id;
	if(p!=NULL){
		WFIFOB(fd,10)=0;
		WFIFOL(fd,11)=p->party_id;
		memcpy(WFIFOP(fd,15),p->name,NAME_LENGTH);
		ShowInfo("int_party: Party created (%d - %s)\n",p->party_id,p->name);
	}else{
		WFIFOB(fd,10)=1;
		WFIFOL(fd,11)=0;
		memset(WFIFOP(fd,15),0,NAME_LENGTH);
	}
	WFIFOSET(fd,39);

	return 0;
}

// パーティ情報見つからず
int mapif_party_noinfo(int fd,int party_id)
{
	WFIFOW(fd,0)=0x3821;
	WFIFOW(fd,2)=8;
	WFIFOL(fd,4)=party_id;
	WFIFOSET(fd,8);
	ShowWarning("int_party: info not found %d\n",party_id);
	return 0;
}
// パーティ情報まとめ送り
int mapif_party_info(int fd,struct party *p)
{
	unsigned char buf[10+sizeof(struct party)];
	WBUFW(buf,0)=0x3821;
	memcpy(buf+4,p,sizeof(struct party));
	WBUFW(buf,2)=4+sizeof(struct party);
	if(fd<0)
		mapif_sendall(buf,WBUFW(buf,2));
	else
		mapif_send(fd,buf,WBUFW(buf,2));
	return 0;
}
// パーティメンバ追加可否
int mapif_party_memberadded(int fd, int party_id, int account_id, int char_id, int flag) {
	WFIFOHEAD(fd, 15);
	WFIFOW(fd,0) = 0x3822;
	WFIFOL(fd,2) = party_id;
	WFIFOL(fd,6) = account_id;
	WFIFOL(fd,10) = char_id;
	WFIFOB(fd,14) = flag;
	WFIFOSET(fd,15);

	return 0;
}

// パーティ設定変更通知
int mapif_party_optionchanged(int fd,struct party *p,int account_id,int flag)
{
	unsigned char buf[16];
	WBUFW(buf,0)=0x3823;
	WBUFL(buf,2)=p->party_id;
	WBUFL(buf,6)=account_id;
	WBUFW(buf,10)=p->exp;
	WBUFW(buf,12)=p->item;
	WBUFB(buf,14)=flag;
	if(flag==0)
		mapif_sendall(buf,15);
	else
		mapif_send(fd,buf,15);
	return 0;
}

//Checks whether the even-share setting of a party is broken when a character logs in. [Skotlex]
int inter_party_logged(int party_id, int account_id, int char_id)
{
	struct party *p;
	int i;

	if (party_id <= 0)
		return 0;

	if (!party_id)
		return 0;
	p = inter_party_fromsql(party_id);
	if(!p) //Non existant party?
		return 0;
	
	for(i = 0; i < MAX_PARTY; i++)
		if (p->member[i].account_id==account_id && p->member[i].char_id==char_id) {
			p->member[i].online = 1;
			break;
		}
	
	if(p->exp && !party_check_exp_share(p))
	{
		p->exp=0;
		mapif_party_optionchanged(0,p,0,0);
		return 1;
	}
	return 0;
}

// パーティ脱退通知
int mapif_party_leaved(int party_id,int account_id, int char_id) {
	unsigned char buf[16];

	WBUFW(buf,0) = 0x3824;
	WBUFL(buf,2) = party_id;
	WBUFL(buf,6) = account_id;
	WBUFL(buf,10) = char_id;
	mapif_sendall(buf, 14);
	return 0;
}

// パーティマップ更新通知
int mapif_party_membermoved(struct party *p,int idx)
{
	unsigned char buf[20];

	WBUFW(buf,0) = 0x3825;
	WBUFL(buf,2) = p->party_id;
	WBUFL(buf,6) = p->member[idx].account_id;
	WBUFL(buf,10) = p->member[idx].char_id;
	WBUFW(buf,14) = p->member[idx].map;
	WBUFB(buf,16) = p->member[idx].online;
	WBUFW(buf,17) = p->member[idx].lv;
	mapif_sendall(buf, 19);
	return 0;
}

// パーティ解散通知
int mapif_party_broken(int party_id,int flag)
{
	unsigned char buf[16];
	WBUFW(buf,0)=0x3826;
	WBUFL(buf,2)=party_id;
	WBUFB(buf,6)=flag;
	mapif_sendall(buf,7);
	//printf("int_party: broken %d\n",party_id);
	return 0;
}
// パーティ内発言
int mapif_party_message(int party_id,int account_id,char *mes,int len, int sfd)
{
	unsigned char buf[512];
	WBUFW(buf,0)=0x3827;
	WBUFW(buf,2)=len+12;
	WBUFL(buf,4)=party_id;
	WBUFL(buf,8)=account_id;
	memcpy(WBUFP(buf,12),mes,len);
	mapif_sendallwos(sfd, buf,len+12);
	return 0;
}

//-------------------------------------------------------------------
// map serverからの通信


// Create Party
int mapif_parse_CreateParty(int fd, int account_id, int char_id, char *name, char *nick, unsigned short map, int lv, int item, int item2)
{
	struct party *p;
	if( (p=search_partyname(name))!=NULL){
		mapif_party_created(fd,account_id,char_id,NULL);
		return 0;
	}
	p= aCalloc(1, sizeof(struct party));
	
	memcpy(p->name,name,NAME_LENGTH);
	p->exp=0;
	p->item=(item?1:0)|(item2?2:0);
	p->itemc = 0;

	p->member[0].account_id=account_id;
	p->member[0].char_id =char_id;
	memcpy(p->member[0].name,nick,NAME_LENGTH-1);
	p->member[0].map = map;
	p->member[0].leader=1;
	p->member[0].online=1;
	p->member[0].lv=lv;

	p->party_id=-1;//New party.
	if (inter_party_tosql(p,PS_CREATE|PS_ADDMEMBER,0)) {
		mapif_party_created(fd,account_id,char_id,p);
		mapif_party_info(fd,p);
	} else //Failed to create party.
		mapif_party_created(fd,account_id,char_id,NULL);

	return 0;
}
// パーティ情報要求
int mapif_parse_PartyInfo(int fd,int party_id)
{
	struct party *p;
	p = inter_party_fromsql(party_id);

	if (p)
		mapif_party_info(fd,p);
	else
		mapif_party_noinfo(fd,party_id);
	return 0;
}
// パーティ追加要求
int mapif_parse_PartyAddMember(int fd, int party_id, int account_id, int char_id, char *nick, unsigned short map, int lv) {
	struct party *p;
	int i;

	p = inter_party_fromsql(party_id);

	if(!p){
		mapif_party_memberadded(fd,party_id,account_id,char_id,1);
		return 0;
	}

	for(i=0;i<MAX_PARTY;i++){
		if(p->member[i].account_id==0){
			int flag=0;

			p->member[i].account_id=account_id;
			p->member[i].char_id=char_id;
			memcpy(p->member[i].name,nick,NAME_LENGTH);
			p->member[i].map = map;
			p->member[i].leader=0;
			p->member[i].online=1;
			p->member[i].lv=lv;
			mapif_party_memberadded(fd,party_id,account_id,char_id,0);
			mapif_party_info(-1,p);

			if( p->exp && !party_check_exp_share(p) ){
				p->exp=0;
				flag=0x01;
			}
			if(flag)
				mapif_party_optionchanged(fd,p,0,0);

			inter_party_tosql(p, PS_ADDMEMBER, i);
			return 0;
		}
	}
	mapif_party_memberadded(fd,party_id,account_id,char_id,1);
	return 0;
}
// パーティー設定変更要求
int mapif_parse_PartyChangeOption(int fd,int party_id,int account_id,int exp,int flag)
{
	struct party *p;
	//NOTE: No clue what that flag is about, in all observations so far it always comes as 0. [Skotlex]
	flag = 0;
	p = inter_party_fromsql(party_id);

	if(!p)
		return 0;

	p->exp=exp;
	if( exp && !party_check_exp_share(p) ){
		flag|=0x01;
		p->exp=0;
	}
	mapif_party_optionchanged(fd,p,account_id,flag);
	inter_party_tosql(p, PS_BASIC, 0);
	return 0;
}
// パーティ脱退要求
int mapif_parse_PartyLeave(int fd, int party_id, int account_id, int char_id)
{
	struct party *p;
	int i;

	p = inter_party_fromsql(party_id);
	if (!p) { //Party does not exists?
		sprintf(tmp_sql, "UPDATE `%s` SET `party_id`='0' WHERE `party_id`='%d'", char_db, party_id);
		if (mysql_query(&mysql_handle, tmp_sql)) {
			ShowSQL("DB error - %s\n",mysql_error(&mysql_handle));
			ShowDebug("at %s:%d - %s\n", __FILE__,__LINE__,tmp_sql);
		}
		return 0;
	}

	for (i = 0; i < MAX_PARTY; i++) {
		if (p->member[i].account_id == account_id && p->member[i].char_id == char_id)
			break;
	}
	if (i>= MAX_PARTY)
		return 0; //Member not found?

	mapif_party_leaved(party_id, account_id, char_id);

	if (p->member[i].leader){
		int j;
		for (j = 0; j < MAX_PARTY; j++) {
			if (p->member[j].account_id > 0 && j != i) {
				mapif_party_leaved(party_id, p->member[j].account_id, p->member[j].char_id);
				p->member[j].account_id = 0;
			}
			p->member[i].account_id = 0;
		}
		//Party gets deleted on the check_empty call below.
	} else {
		inter_party_tosql(p,PS_DELMEMBER,i);
		memset(&p->member[i], 0, sizeof(struct party_member));
	}
		
	if (party_check_empty(p) == 0)
		mapif_party_info(-1,p);
	return 0;
}
// When member goes to other map
int mapif_parse_PartyChangeMap(int fd, int party_id, int account_id, int char_id, unsigned short map, int online, int lv)
{
	struct party *p;
	int i;

	p = inter_party_fromsql(party_id);
	if (p == NULL)
		return 0;

	for(i = 0; i < MAX_PARTY; i++) {
		if (p->member[i].account_id == account_id && p->member[i].char_id == char_id)
		{
			p->member[i].map = map;
			p->member[i].online = online;
			if (p->member[i].lv != lv) {
				p->member[i].lv = lv;
			  	if (p->exp && !party_check_exp_share(p)) {
					p->exp = 0;
					mapif_party_optionchanged(fd, p, 0, 0);
				}
			}
			mapif_party_membermoved(p, i);
			break;
		}
	}
	return 0;
}
// パーティ解散要求
int mapif_parse_BreakParty(int fd,int party_id)
{
	struct party *p;

	p = inter_party_fromsql(party_id);

	if(!p)
		return 0;
	inter_party_tosql(p,PS_BREAK,0);
	mapif_party_broken(fd,party_id);
	return 0;
}
// パーティメッセージ送信
int mapif_parse_PartyMessage(int fd,int party_id,int account_id,char *mes,int len)
{
	return mapif_party_message(party_id,account_id,mes,len, fd);
}
// パーティチェック要求
int mapif_parse_PartyCheck(int fd,int party_id,int account_id,int char_id)
{
	return party_check_conflict(party_id,account_id,char_id);
}

int mapif_parse_PartyLeaderChange(int fd,int party_id,int account_id,int char_id)
{
	struct party *p;
	int i;

	p = inter_party_fromsql(party_id);

	if(!p)
		return 0;

	for (i = 0; i < MAX_PARTY; i++)
	{
		if(p->member[i].leader) 
			p->member[i].leader = 0;
		if(p->member[i].account_id == account_id && p->member[i].char_id == char_id) {
			p->member[i].leader = 1;
			inter_party_tosql(p,PS_LEADER, i);
		}
	}
	return 1;
}

// map server からの通信
// ・１パケットのみ解析すること
// ・パケット長データはinter.cにセットしておくこと
// ・パケット長チェックや、RFIFOSKIPは呼び出し元で行われるので行ってはならない
// ・エラーなら0(false)、そうでないなら1(true)をかえさなければならない
int inter_party_parse_frommap(int fd)
{
	RFIFOHEAD(fd);
	switch(RFIFOW(fd,0)) {
	case 0x3020: mapif_parse_CreateParty(fd, RFIFOL(fd,2), RFIFOL(fd,6),(char*)RFIFOP(fd,10), (char*)RFIFOP(fd,34), RFIFOW(fd,58), RFIFOW(fd,60), RFIFOB(fd,62), RFIFOB(fd,63)); break;
	case 0x3021: mapif_parse_PartyInfo(fd, RFIFOL(fd,2)); break;
	case 0x3022: mapif_parse_PartyAddMember(fd, RFIFOL(fd,2), RFIFOL(fd,6), RFIFOL(fd,10), (char*)RFIFOP(fd,14), RFIFOW(fd,38), RFIFOW(fd,40)); break;
	case 0x3023: mapif_parse_PartyChangeOption(fd, RFIFOL(fd,2), RFIFOL(fd,6), RFIFOW(fd,10), RFIFOW(fd,12)); break;
	case 0x3024: mapif_parse_PartyLeave(fd, RFIFOL(fd,2), RFIFOL(fd,6), RFIFOL(fd,10)); break;
	case 0x3025: mapif_parse_PartyChangeMap(fd, RFIFOL(fd,2), RFIFOL(fd,6), RFIFOL(fd,10), RFIFOW(fd,14), RFIFOB(fd,16), RFIFOW(fd,17)); break;
	case 0x3026: mapif_parse_BreakParty(fd, RFIFOL(fd,2)); break;
	case 0x3027: mapif_parse_PartyMessage(fd, RFIFOL(fd,4), RFIFOL(fd,8), (char*)RFIFOP(fd,12), RFIFOW(fd,2)-12); break;
	case 0x3028: mapif_parse_PartyCheck(fd, RFIFOL(fd,2), RFIFOL(fd,6), RFIFOL(fd,10)); break;
	case 0x3029: mapif_parse_PartyLeaderChange(fd, RFIFOL(fd,2), RFIFOL(fd,6), RFIFOL(fd,10)); break;
	default:
		return 0;
	}
	return 1;
}

// サーバーから脱退要求（キャラ削除用）
int inter_party_leave(int party_id,int account_id, int char_id)
{
	return mapif_parse_PartyLeave(-1,party_id,account_id, char_id);
}

int inter_party_CharOnline(int char_id, int party_id) {
   struct party *p;
   int i;
   
	if (party_id == -1) {
		//Get guild_id from the database
		sprintf (tmp_sql , "SELECT party_id FROM `%s` WHERE char_id='%d'",char_db,char_id);
		if(mysql_query(&mysql_handle, tmp_sql) ) {
			ShowSQL("DB error - %s\n",mysql_error(&mysql_handle));
			ShowDebug("at %s:%d - %s\n", __FILE__,__LINE__,tmp_sql);
			return 0;
		}

		sql_res = mysql_store_result(&mysql_handle) ;
		if(sql_res == NULL)
			return 0; //Eh? No party?
		
		sql_row = mysql_fetch_row(sql_res);
		party_id = sql_row?atoi(sql_row[0]):0;
		mysql_free_result(sql_res);
	}
	if (party_id == 0)
		return 0; //No party...
	
	p = inter_party_fromsql(party_id);
	if(!p) {
		ShowError("Character %d's party %d not found!\n", char_id, party_id);
		return 0;
	}

	//Set member online
	for(i=0; i<MAX_PARTY; i++) {
		if (p->member[i].char_id == char_id) {
			p->member[i].online = 1;
			break;
		}
	}
	return 1;
}

int inter_party_CharOffline(int char_id, int party_id) {
	struct party *p=NULL;
	int online_count=0, i;

	if (party_id == -1) {
		//Get guild_id from the database
		sprintf (tmp_sql , "SELECT party_id FROM `%s` WHERE char_id='%d'",char_db,char_id);
		if(mysql_query(&mysql_handle, tmp_sql) ) {
			ShowSQL("DB error - %s\n",mysql_error(&mysql_handle));
			ShowDebug("at %s:%d - %s\n", __FILE__,__LINE__,tmp_sql);
			return 0;
		}

		sql_res = mysql_store_result(&mysql_handle) ;
		if(sql_res == NULL)
			return 0; //Eh? No party?
		
		sql_row = mysql_fetch_row(sql_res);
		party_id = sql_row?atoi(sql_row[0]):0;
		mysql_free_result(sql_res);
	}
	if (party_id == 0)
		return 0; //No party...
	
	//Character has a party, set character offline and check if they were the only member online
	if ((p = inter_party_fromsql(party_id)) == NULL)
		return 0;

	//Set member offline
	for(i=0; i< MAX_PARTY; i++) {
		if(p->member[i].char_id == char_id)
			p->member[i].online = 0;
		if(p->member[i].online)
			online_count++;
	}

	if(online_count == 0)
		//Parties don't have any data that needs be saved at this point... so just remove it from memory.
		idb_remove(party_db_, party_id);
	return 1;
}