#include "common/hercules.h"
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include "map/pc.h"
#include "common/memmgr.h"
#include "common/HPMDataCheck.h"

HPExport struct hplugin_info pinfo = {
	"pkonoff", // Plugin name
	SERVER_TYPE_MAP,// Which server types this plugin works with?
	"0.1",			// Plugin version
	HPM_VERSION,	// HPM Version (don't change, macro is automatically updated)
};

int config_delay = 5; // After turn pk on/off, how many seconds delay before the player allow to pk on/off ?

struct player_data {
	unsigned int pkmode :1;
	int pkmode_delay;
};

ACMD(pk) {
	struct player_data *ssd;
	char output[CHAT_SIZE_MAX];
	if ( !( ssd = getFromMSD(sd,0) ) ) {
		CREATE( ssd, struct player_data, 1 );
		ssd->pkmode = 0;
		addToMSD( sd, ssd, 0, true );
	}
	if ( !map->list[sd->bl.m].flag.town ) {
		clif->message( sd->fd, "You can only change your PK state in towns.");
		return false;
	}
	if ( ssd->pkmode_delay + config_delay > (int)time(NULL) ) {
		safesnprintf( output, CHAT_SIZE_MAX, "You must wait %d seconds before using this command again.", ssd->pkmode_delay + config_delay - (int)time(NULL) );
		clif->message( sd->fd, output );
		return false;
	}
	if ( !ssd->pkmode ) {
		ssd->pkmode = 1;
		clif->message( sd->fd, "Your PK state is now ON" );
	} else {
		ssd->pkmode = 0;
		clif->message( sd->fd, "Your PK state is now OFF" );
	}
	ssd->pkmode_delay = (int)time(NULL);
	return true;
}

int battle_check_target_post( int retVal, struct block_list *src, struct block_list *target, int *flag ) {
	if ( retVal != 1 && src->type == BL_PC && target->type == BL_PC ) {
		struct player_data *src_pc = getFromMSD( (TBL_PC*)src, 0 );
		struct player_data *target_pc = getFromMSD( (TBL_PC*)target, 0 );
		if ( src_pc != NULL && target_pc != NULL )
			if ( src_pc->pkmode && target_pc->pkmode )
				return 1;
	}
	return retVal;
}

HPExport void plugin_init (void) {
	addAtcommand("pk",pk);
	addHookPost( "battle->check_target", battle_check_target_post );
}