index.ts

import { PMHQBase } from './base'
import { FriendMixin, GroupMixin, MediaMixin, MessageMixin, SystemMixin, UserMixin } from './mixins'

export type {
  PBData,
  CallResultData,
  OnListenerData,
  PMHQResSendPB,
  PMHQResRecvPB,
  PMHQResOn,
  PMHQResCall,
  PMHQReqSendPB,
  PMHQReqCall,
  PMHQReqTellPort,
  PMHQResTellPort,
  PMHQRes,
  PMHQReq,
  QQProcessInfo,
  ResListener,
} from './types'


type Constructor<T = object> = new (...args: any[]) => T

type Mixin<TBase extends Constructor> = (Base: TBase) => Constructor

// 从 Mixin 函数提取返回的类实例类型
type MixinInstance<T> = T extends (Base: any) => infer R
  ? R extends Constructor<infer I> ? I : never
  : never

// 递归合并 Mixin 数组的类型
type MergeMixins<TBase, TMixins extends readonly Mixin<any>[]> = TMixins extends readonly [
  infer First extends Mixin<any>,
  ...infer Rest extends readonly Mixin<any>[],
]
  ? MergeMixins<TBase & MixinInstance<First>, Rest>
  : TBase

// 带类型推导的 applyMixins
function applyMixins<TBase extends Constructor, TMixins extends readonly Mixin<any>[]>(
  Base: TBase,
  mixins: TMixins,
): Constructor<MergeMixins<InstanceType<TBase>, TMixins>> {
  return mixins.reduce<Constructor>((acc, mixin) => mixin(acc), Base) as Constructor<MergeMixins<InstanceType<TBase>, TMixins>>
}


/**
 * PMHQ 类 - 通过 Mixin 模式组合所有功能
 */
const mixins = [GroupMixin, FriendMixin, MediaMixin, MessageMixin, UserMixin, SystemMixin] as const
export const PMHQ = applyMixins(PMHQBase, mixins)

declare module 'cordis' {
  interface Context {
    pmhq: InstanceType<typeof PMHQ>
  }
}