module.exports = {
    begin(creep){
        const jobMemory = creep.memory.job; 
        if(!jobMemory.harvesting) creep.memory.job.harvesting = false;
    },
    
    tick(creep){
        const jobMemory = creep.memory.job; 
        if(jobMemory.harvesting){
            const source = creep.pos.findClosestByRange(FIND_SOURCES);
            if(creep.pos.isNearTo(source)) creep.harvest(source);
            else creep.moveTo(source);
            if(!creep.store.getFreeCapacity(RESOURCE_ENERGY)) jobMemory.harvesting = false;
        } else{
            const controller = creep.room.controller;
            if(creep.pos.isNearTo(controller)) creep.upgradeController(controller);
            else creep.moveTo(controller);
            if(!creep.store.getUsedCapacity(RESOURCE_ENERGY)) jobMemory.harvesting = true;
        }
    }
}