import { ParameterLocation } from 'openapi3-ts';
import { Options as JsonpOptions } from 'fetch-jsonp';
import {
  Method,
  AxiosError,
  AxiosResponse,
  AxiosRequestConfig as AxiosOptions,
} from 'axios';

export type StrOrNum = string | number;
export type AnyFunction = (...args: any[]) => any;
export type AnyPromiseFunction<T = any> = (...args: any[]) => Promise<T>;

export type Mock = AnyFunction | any;

export type ParamsConfig = string[] | ParamsObject | ((args?: Record<string, StrOrNum>) => Record<string, StrOrNum>);

export type Middleware<T> = (ctx: T, next: () => Promise<unknown>) => Promise<unknown>;

export type RuntimeOptions = WxRuntimeOptions | WebRuntimeOptions;

export type PathType = (
  | string
  | ((params?: Record<string, StrOrNum>) => string)
);

export type ReqType = (
  | 'wx' | 'WX'
  | 'axios' | 'AXIOS'
  | 'jsonp' | 'JSONP'
  | 'custom' | 'CUSTOM'
);

export type ParamsObject = {
  [k: string]: (
    | {
      in?: ParameterLocation,
      default?: StrOrNum,
      required?: true,
      isRequired?: true,
    }
    | StrOrNum
  )
};

export interface CtxReqFnParams extends Omit<CtxReq, 'reqFnParams' | 'baseUrl'> {
  url: string,
  customFetch?: <T>(p: {
    url: string,
    data: any,
    body?: any,
    method: Method,
    header: Record<string, string>,
  }) => Promise<T>,
}

export interface CtxReq extends RuntimeOptionsOnly {
  baseUrl: string,
  method: Method,
  args: any,
  path: PathType,
  apiName: string,
  params: Record<string, any>
  reqType: ReqType,
  reqFnParams: CtxReqFnParams,
  reqParams: Record<string, StrOrNum>,
  mock?: Mock,
  prefix?: string,
  axiosOptions?: AxiosOptions,
  jsonpOptions?: JsonpOptions,
  [k: string]: any
}
export interface CtxRes<T = any, D = any> extends AxiosResponse<T, D> {
  rawData: T,
  error?: Error | AxiosError<T, D>,
  [k: string]: any
}

export interface Ctx<T = any, D = any> {
  req: CtxReq,
  res: CtxRes<T, D>,
  endTime: number,
  reqTime: number,
  startTime: number,
  [k: string]: any
}

export type CommonApiConfig = {
  /**
   * @see [baseUrl 接口基础地址](https://tua-api.pages.woa.com/config/common.html#baseurl-%E6%8E%A5%E5%8F%A3%E5%9F%BA%E7%A1%80%E5%9C%B0%E5%9D%80)
   */
  baseUrl?: string,

  /**
   * @see [method 请求类型](https://tua-api.pages.woa.com/config/common.html#method-%E8%AF%B7%E6%B1%82%E7%B1%BB%E5%9E%8B)
   */
  method?: Method,

  /**
   * @see [mock 模拟接口数据](https://tua-api.pages.woa.com/config/common.html#mock-%E6%A8%A1%E6%8B%9F%E6%8E%A5%E5%8F%A3%E6%95%B0%E6%8D%AE)
   */
  mock?: Mock,

  /**
   * @see [prefix 接口中间地址](https://tua-api.pages.woa.com/config/common.html#prefix-%E6%8E%A5%E5%8F%A3%E4%B8%AD%E9%97%B4%E5%9C%B0%E5%9D%80)
   */
  prefix?: string,

  /**
   * @see [reqType 请求使用库类型](https://tua-api.pages.woa.com/config/common.html#reqtype-%E8%AF%B7%E6%B1%82%E4%BD%BF%E7%94%A8%E5%BA%93%E7%B1%BB%E5%9E%8B)
   */
  reqType?: ReqType,

  /**
   * @see [afterFn 收到响应后的钩子函数](https://tua-api.pages.woa.com/config/common.html#afterfn-%E6%94%B6%E5%88%B0%E5%93%8D%E5%BA%94%E5%90%8E%E7%9A%84%E9%92%A9%E5%AD%90%E5%87%BD%E6%95%B0)
   */
  afterFn?: <T = any>(args: [T?, Ctx?]) => any,
  /**
   * @see [beforeFn 发起请求前钩子函数](https://tua-api.pages.woa.com/config/common.html#beforefn-%E5%8F%91%E8%B5%B7%E8%AF%B7%E6%B1%82%E5%89%8D%E9%92%A9%E5%AD%90%E5%87%BD%E6%95%B0)
   */
  beforeFn?: () => Promise<any>,
  /**
   * @see [middleware 中间件函数数组](https://tua-api.pages.woa.com/config/default.html#middleware-%E4%B8%AD%E9%97%B4%E4%BB%B6%E5%87%BD%E6%95%B0%E6%95%B0%E7%BB%84)
   */
  middleware?: Middleware<Ctx>[],

  /**
   * @see [header 请求头](https://tua-api.pages.woa.com/config/common.html#header-%E8%AF%B7%E6%B1%82%E5%A4%B4)
   */
  header?: Record<string, string>,
  /**
   * @see [customFetch 自定义请求函数](https://tua-api.pages.woa.com/config/default.html#customfetch-%E8%87%AA%E5%AE%9A%E4%B9%89%E8%AF%B7%E6%B1%82%E5%87%BD%E6%95%B0)
   */
  customFetch?: AnyPromiseFunction,

  /**
   * @see [commonParams 公共参数](https://tua-api.pages.woa.com/config/common.html#commonparams-%E5%85%AC%E5%85%B1%E5%8F%82%E6%95%B0)
   */
  commonParams?: Record<string, StrOrNum> | ((args?: Record<string, StrOrNum>) => Record<string, StrOrNum>),

  /**
   * @see [axiosOptions 透传参数配置](https://tua-api.pages.woa.com/config/common.html#axiosoptions-%E9%80%8F%E4%BC%A0%E5%8F%82%E6%95%B0%E9%85%8D%E7%BD%AE)
   */
  axiosOptions?: AxiosOptions,

  /**
   * @see [jsonpOptions 透传参数配置](https://tua-api.pages.woa.com/config/common.html#jsonpoptions-%E9%80%8F%E4%BC%A0%E5%8F%82%E6%95%B0%E9%85%8D%E7%BD%AE)
   */
  jsonpOptions?: JsonpOptions,

  /**
   * @see [useGlobalMiddleware 使用全局中间件](https://tua-api.pages.woa.com/config/common.html#useglobalmiddleware-%E4%BD%BF%E7%94%A8%E5%85%A8%E5%B1%80%E4%B8%AD%E9%97%B4%E4%BB%B6)
   */
  useGlobalMiddleware?: boolean
};

export interface SelfApiConfigOnly {
  /**
   * @see [path 接口地址](https://tua-api.pages.woa.com/config/self.html#path-%E6%8E%A5%E5%8F%A3%E5%9C%B0%E5%9D%80)
   */
  path: PathType,
  /**
   * @see [name 接口名称（可省略）](https://tua-api.pages.woa.com/config/self.html#name-%E6%8E%A5%E5%8F%A3%E5%90%8D%E7%A7%B0-%E5%8F%AF%E7%9C%81%E7%95%A5)
   */
  name?: string,
  /**
   * @see [params 接口参数](https://tua-api.pages.woa.com/config/self.html#params-%E6%8E%A5%E5%8F%A3%E5%8F%82%E6%95%B0)
   */
  params?: ParamsConfig,

  body?: (
    | { required: true }
    | { isRequired: true }
    | any
  )
}

// for wechat miniprogram
export type WxApiConfigOnly = {
  /**
   * @see [isShowLoading (小程序 only)](https://tua-api.pages.woa.com/config/common.html#isshowloading-%E5%B0%8F%E7%A8%8B%E5%BA%8F-only)
   */
  name?: string,

  /**
   * @see [showLoadingFn (小程序 only)](https://tua-api.pages.woa.com/config/common.html#showloadingfn-%E5%B0%8F%E7%A8%8B%E5%BA%8F-only)
   */
  params?: ParamsConfig,

  body?: (
    | { required: true }
    | { isRequired: true }
    | any
  )
};

export interface SelfApiConfig extends CommonApiConfig, SelfApiConfigOnly {}

// for web
export type WebApiConfig = CommonApiConfig & {
  pathList: SelfApiConfig[]
};

// for wechat miniprogram
export interface WxApiOnly {
  isShowLoading?: boolean
  showLoadingFn?: AnyFunction
  hideLoadingFn?: AnyFunction
}
export interface WxApiConfig extends CommonApiConfig, WxApiOnly {
  pathList: (SelfApiConfig & WxApiOnly)[]
}

export interface RuntimeOptionsOnly {
  body?: any
  params?: Record<string, string>,
  header?: Record<string, string>,
  callback?: string,
  callbackName?: string,
}
export interface WxRuntimeOptions extends Partial<Omit<SelfApiConfig, 'params'>>, WxApiOnly, RuntimeOptionsOnly { }
export interface WebRuntimeOptions extends Partial<Omit<SelfApiConfig, 'params'>>, RuntimeOptionsOnly { }

export interface Api {
  key: string,
  mock: Mock,
  params: ParamsConfig,
  <T = Record<string, StrOrNum>, U = Record<string, StrOrNum> | void> (
    params?: U,
    runtimeOptions?: RuntimeOptions
  ): Promise<T>,
}
export interface Apis {
  [k: string]: SyncFnMap
}
export interface SyncFnMap {
  [k: string]: Api
}

export interface DefaultApiConfig {
  baseUrl?: string,
  reqType?: ReqType,
  middleware?: Middleware<Ctx>[],
  customFetch?: AnyPromiseFunction,
  axiosOptions?: AxiosOptions,
  jsonpOptions?: JsonpOptions,
  defaultErrorData?: any,
}