module.exports = {
    begin(creep){
    },
    
    tick(creep){
        if(!creep.pos.isNearTo(creep.room.controller)) { creep.moveTo(creep.room.controller); return; }
        if(creep.store.getUsedCapacity(RESOURCE_ENERGY) == 0) { getOrWaitForEnergy(creep); return; }
        creep.upgradeController(creep.room.controller);        
    }
}

function getOrWaitForEnergy(creep){
    if(!creep.memory.container) scanForContainer(creep);
    if(creep.memory.container) getEnergyFromContainer(creep);
}

function getEnergyFromContainer(creep){
    const container = Game.getObjectById(creep.memory.container);
    if(creep.withdraw(container, RESOURCE_ENERGY) == ERR_NOT_IN_RANGE) creep.moveTo(container);
}

// duplicate see miner
function scanForContainer(creep){
    const container = creep.room.controller.pos.findInRange(FIND_STRUCTURES, 1, {
        filter:{structureType:STRUCTURE_CONTAINER}
    })[0];            
    if(container) creep.memory.container = container.id;
}