module.exports = {
    
    run: function(){
        for(var spawn in Game.spawns){
            var room = Game.spawns[spawn].room;
            var towers = room.find(FIND_MY_STRUCTURES,
                {filter: {structureType: STRUCTURE_TOWER}});
                
            for(var tower in towers){
                tower = towers[tower];
                var enemy = tower.pos.findClosestByRange(FIND_HOSTILE_CREEPS);
                if(enemy != null) tower.attack(enemy);
                else {
                    var healt_creep = false;
                    for(var creep in Game.creeps){
                        creep = Game.creeps[creep];
                        if(creep.hits < creep.hitsMax) {
                            tower.heal(creep);
                            healt_creep = true;
                        }
                    }
                    if(!healt_creep && 500 < tower.energy){
                        var structure = tower.pos.findClosestByPath(FIND_STRUCTURES, 
                           {filter: (s)=>(s.structureType != STRUCTURE_RAMPART && s.structureType != STRUCTURE_WALL && s.hits < s.hitsMax)});
                        if(750 < tower.energy && structure == null) {
                            var structures = tower.room.find(FIND_STRUCTURES, {filter: { structureType: STRUCTURE_RAMPART, structureType: STRUCTURE_WALL }});
                           structures.sort(function(a,b){return a.hits - b.hits});
                           structure = structures[0];
                        }
                        tower.repair(structure);
                    }
                }
            }
        }
    }
};