import { ISystem, System, Component, Components } from '../engine/system';
import { IEntity, State, DoSet, IAction } from '../engine/state';
import { IHudWindow } from '../../client/engine/ui';
import { IOverlapAction } from './ammo-physics';

interface IStatsComponent {
    name: string;
    current: number;
    min: number;
    max: number;
    regen: number;
}

export interface IPickupAction extends IAction {
    type: 'PICKUP';
    targetId: string;
    slot: string;
    itemId: string;
    equipObj: string;
}
const DoPickup = (targetId: string, item: IEntity): IPickupAction => {
    return {
        type: 'PICKUP',
        targetId,
        slot: item.slot,
        itemId: item.id,
        equipObj: item.equipped,
    };
};

@Components('item')
export class Items extends System {
    add(entity: IEntity) {
        super.add(entity);
        // item already includes 'body' ?
        // this.dispatch(DoCreateGhost(entity, entity.position, entity.rotation, entity.item.size, ["player"]));
    }

    tick(delta) {
        this.actions({
            OVERLAP: this.HandleOverlap
        });
    }

    private HandleOverlap(a: IOverlapAction) {
        const item = this.entities[a.instigatorId];
        if (!item)
            return;

        if (!item.equipped)
            return;

        this.dispatch(DoPickup(a.targetId, item), true);
    }

}