module.exports = {
	setup: function () { Room.prototype = _Room.prototype; }
}

class _Room extends Room { 
	begin(){
		roomLayoutScan(this);
		jobScan(this);
		vacancyScan(this);
		this.memory.init = true;	
    }
    
    tick(){
		if(!this.memory.init) this.begin(); 
		if(!(Game.time%100)) {
			vacancyScan(this);
		}
    }
}   

function roomLayoutScan(room){
	if(!room.memory.layout) room.memory.layout = {};
	if(!room.memory.layout.sources) room.memory.layout.sources = room.find(FIND_SOURCES).map(s=>s.id);
	room.memory.layout.containers = room.find(FIND_MY_STRUCTURES, {filter:{structureType:STRUCTURE_CONTAINER}}).map(c=>c.id);
}

function jobScan(room){
	if(!room.memory.jobs) room.memory.jobs = [{role:Role.UPGRADER}]
		.concat(Array(2).fill({role: Role.BUILDER}))
		.concat(Array(5).fill({role: Role.SUPPLIER}))
		.concat(room.memory.layout.sources.map(s=> {return {role: Role.MINER, source: s}}));	
}

function vacancyScan(room){
	const activeJobs = room.find(FIND_MY_CREEPS).map(creep=>creep.memory.job);
	const jobs = room.memory.jobs.filter((j)=>{
		const index = activeJobs.findIndex(aj=> _.isEqual(aj,j));
		if(index < 0) return true;
		activeJobs.splice(index,1);
		return false;
	});
	room.memory.vacancies = jobs;
}