import { StartupEvent, WorldLoadAfterEvent, ItemUseBeforeEvent, CustomCommand, ItemComponentRegistry, BlockComponentRegistry } from '@minecraft/server';

/**
 * Decorator – binds the method to the instance
 * Equivalent to calling `this.method = this.method.bind(this);`
 */
declare function BindThis(_target: any, propertyKey: string, descriptor: PropertyDescriptor): PropertyDescriptor;

type ComponentCtor = {
    componentId: string;
    new (): any;
};

/**
 * Decorator – attach to each component class to auto‐register it.
 */
declare function ItemComponent<T extends ComponentCtor>(ctor: T): void;

/**
 * Decorator – attach to each component class to auto‐register it.
 */
declare function BlockComponent<T extends ComponentCtor>(ctor: T): void;

interface EventMap {
    startup: StartupEvent;
    worldLoad: WorldLoadAfterEvent;
    beforeItemUse: ItemUseBeforeEvent;
}
type EventName = keyof EventMap;
type Handler<E extends EventName> = (e: EventMap[E]) => void | Promise<void>;
/**
 * Creates a decorator function for the given event name.
 * The decorator can be used in two ways:
 * 1. As a method decorator on static or instance methods.
 * 2. As a direct function call to register a standalone function.
 *
 * @param event The name of the event to register for.
 * @returns A decorator function.
 */
type EventDecorator<E extends EventName> = ((fn: Handler<E>) => void) & ((target: any, propertyKey: string | symbol, descriptor: any) => any);
declare function createEventDecorator<E extends EventName>(event: E): EventDecorator<E>;
declare const OnStartup: EventDecorator<"startup">;
declare const OnWorldLoad: EventDecorator<"worldLoad">;
declare const OnBeforeItemUse: EventDecorator<"beforeItemUse">;
/**
 * Class decorator – wraps the constructor so that any time an instance is created,
 * its instance event methods are automatically registered.
 */
declare function RegisterEvents<T extends new (...args: any[]) => any>(Ctor: T): T;

/**
 * Constructor type for Custom Commands. Constructors must not have parameters.
 */
type CustomCommandCtor = new () => CustomCommand & Record<string, any>;
/**
 * Decorator – attach to each Custom Command class to auto-register it.
 */
declare function CustomCmd<T extends CustomCommandCtor>(ctor: T): void;

/**
 * Initializes the library
 */
declare function init(): void;
/**
 * Registers V1 `worldInitialize` event and registers all components.
 * @deprecated Use {@link init() `init()`} instead. **Please note that Minecraft Script API v1.X is no longer supported and this will initialize for Minecraft Script API V2.X and later!**
 */
declare function initV1(): void;
/**
 * Registers V1 `worldInitialize` event and registers all components.
 * @deprecated Use {@link init() `init()`} instead.
 */
declare function initV2(): void;
/**
 * Registers all components.
 * @param itemRegistry Item component registry
 * @param blockRegistry Block component registry
 */
declare function registerAllComponents(itemRegistry: ItemComponentRegistry, blockRegistry: BlockComponentRegistry): void;

export { BindThis, BlockComponent, CustomCmd, ItemComponent, OnBeforeItemUse, OnStartup, OnWorldLoad, RegisterEvents, createEventDecorator, init, initV1, initV2, registerAllComponents };