#include <amxmodx>
#include <orpheu>
#include <orpheu_stocks>

new msgVal[256], msgID;
new bool:catch=false, bool:stop=false;
new msgPlayer, maxPlayers;

public plugin_init(){
	register_plugin("Prefix replacer", "0.2", "DarkGL & benio101");
	
	new OrpheuFunction:WriteString=OrpheuGetEngineFunction("pfnWriteString", "WriteString");
	new OrpheuFunction:MessageBegin=OrpheuGetEngineFunction("pfnMessageBegin", "MessageBegin");
	new OrpheuFunction:MessageEnd=OrpheuGetEngineFunction("pfnMessageEnd", "MessageEnd");
	new OrpheuFunction:WriteByte=OrpheuGetEngineFunction("pfnWriteByte", "WriteByte");
	
	OrpheuRegisterHook(WriteString, "WriteStringf", OrpheuHookPre);
	OrpheuRegisterHook(MessageBegin, "MessageBeginf", OrpheuHookPre);
	OrpheuRegisterHook(MessageEnd, "MessageEndf", OrpheuHookPost);
	OrpheuRegisterHook(WriteByte, "WriteBytef", OrpheuHookPre);
}

public plugin_cfg(){
	maxPlayers=get_maxplayers();
}

public OrpheuHookReturn:WriteBytef(val){
	return ((catch && stop) ? OrpheuSupercede : OrpheuIgnored);
}

public OrpheuHookReturn:WriteStringf(str[]){
	if(catch){
		if(stop){
			copy(msgVal, 255, str);
			return OrpheuSupercede;
		}
		if(!msgPlayer){
			new tmp[256];
			copy(tmp, 255, str);
			if(containi(tmp, "[PREFIX]")!=-1){
				replace_all(tmp, 255, "[PREFIX]", "[HNS]");
				OrpheuSetParam(1, tmp);
			}
		}
	}
	return OrpheuIgnored;
}

public OrpheuHookReturn:MessageBeginf(msgDest, msgType, Float:origin[], idDest){
	catch=stop=false;
	msgID=0;
	msgVal="";
	switch(msgType){
		case 23, 76, 77:{
			catch=true;
			msgPlayer=idDest;
			if(msgType!=23 && (!msgPlayer || msgDest==MSG_ALL)){
				msgID=msgType;
				stop=true;
			}
		}
	}
}

public OrpheuHookReturn:MessageEndf(){
	msgPlayer=0;
	if(stop){
		new msg[256];
		copy(msg, 255, msgVal);
		msgVal="";
		switch(msgID){
			case 76, 77:{
				for(new id=1; id<=maxPlayers; ++id){
					if(is_user_connected(id)){
						message_begin(MSG_ONE_UNRELIABLE, msgID, {0, 0, 0}, id);
						write_byte(id)		
						write_string(msg);
						message_end();
					}
				}
			}
		}
	}
	msgID=0;
}