var roleBase = require('role_base');

class roleGuard extends roleBase{
	static body = [ MOVE, MOVE, RANGED_ATTACK, RANGED_ATTACK ];
	static name = 'streltsy'
    /** @param {Creep} creep **/
    static run(creep) {
		const target = creep.pos.findClosestByRange(FIND_HOSTILE_CREEPS);
		if(target) {
			if(creep.rangedAttack(target) == ERR_NOT_IN_RANGE) {
				creep.moveTo(target);
			}
	  	}
        else {
			var currentWaypoint = Game.flags[creep.memory.waypoints[creep.memory.currentWaypoint]];
			if(getRangeTo(currentWaypoint) > 0){
				creep.moveTo(currentWaypoint);
			}
			else{
				creep.memory.currentWaypoint += 1;
				if(creep.memory.currentWaypoint > creep.memory.waypoints.length){
					creep.memory.currentWaypoint = 0;
				}
			}
        }
    }
	static spawn(spawnPoint, newWaypoints){
		if(typeof newWaypoints === 'undefined')
			newWaypoints = ['A','B'];

		spawnPoint.spawnCreep(this.body, this.name + Game.time,
			{memory : {role : this.name, waypoints : newWaypoints, currentWaypoint : 0}
		});
	}
};

module.exports = roleGuard;