/*  ###################################################################
    # An inherited creep class and a module to expose it to the loop. #
    ###################################################################*/

const roles = require("roles");

module.exports = {

    configure: function () {
        // Replaces the creep class by the MyCreep class which changes the type of all Creep objects as well.
        Creep.prototype = MyCreep.prototype;
        setConstants();
        // configure all creeps (in case new memory requirements).
        for (const name in Game.creeps) {
            Game.creeps[name].configure();
        }
    },

    // All creeps execute their roles every tick.
    execute: function () {
        for (const name in Game.creeps) {
            Game.creeps[name].execute();
        }
    }
};

class MyCreep extends Creep {
    configure() {
    }

    execute() {
        switch (this.memory.role) {
            case roles.ROLE_HARVESTER: roles.harvest(this);
                break;
            case roles.ROLE_MINER:
                if (this.goTo(this.memory.container_id)) {
                    this.harvestSource();
                }
                break;
            case roles.ROLE_SUPPLIER: roles.supply(this);
                break;
            case roles.ROLE_BUILDER: roles.build(this);
                break;
            case roles.ROLE_UPGRADER: roles.upgrade(this);
                break;
            case roles.ROLE_DEFENDER: roles.defend(this);
                break;
            case roles.ROLE_RESERVER: roles.reserve(this);
                break;
            case roles.ROLE_RESERVED_HARVESTER: roles.harvest_reserved(this);
                break;
        }
    }

    // Moves to the object with given id. Returns true if arrived. 
    goTo(id) {
        const target = Game.getObjectById(id)
        if (target != null) {
            if (this.pos.isEqualTo(target.pos)) return true;
            this.moveTo(target);
        } else {
            console.log(this.name + " can't find object with id: " + id);
        }
        return false;
    }

    // harvests set or closest source, moves to it if to far and return true if fully loaded.
    harvestSource() {
        if (this.memory.source_id == undefined) {
            this.memory.source_id = this.pos.findClosestByPath(FIND_SOURCES).id;
        }
        const result = this.harvest(Game.getObjectById(this.memory.source_id));
        if (result == ERR_NOT_IN_RANGE) this.goTo(this.memory.source_id);
        return this.store.getFreeCapacity(RESOURCE_ENERGY) == 0;
    }




}

function setConstants() {
    global.HARVESTER = 0;
    global.MINER = 1;
    global.SUPPLIER = 2;
    global.BUILDER = 3;
    global.UPGRADER = 4;
    global.DEFENDER = 5;
    global.RESERVER = 6;
    global.RESERVED_HARVESTER = 7;
}