import {
  callUniMethod,
  CallUniMethodParams,
  captureScreenshot,
  CaptureScreenshotParams,
  getPageStack,
  getCurrentPage,
  GetCurrentPageParams
  // @ts-ignore
} from './apis/App/index.uts'
import {
  GetDataParams as PageGetDataParams,
  getData as pageGetData,
  SetDataParams as PageSetDataParams,
  setData as pageSetData,
  CallMethodParams,
  callMethod as pageCallMethod,
  GetElementParams as PageGetElementParams,
  getElement as pageGetElement,
  getElements as pageGetElements,
  GetWindowPropertiesParams,
  getWindowProperties,
  // @ts-ignore
} from './apis/Page.uts'
// @ts-ignore
import { socketEmitter, SocketEmitterParams } from './apis/App/Socket.uts'
import {
  GetElementParams as ElementGetElementParams,
  getElement as elementGetElement,
  getElements as elementGetElements,
  GetDOMPropertiesParams,
  getDOMProperties,
  GetPropertiesParams,
  getProperties,
  CallFunctionParams as ElementCallFunctionParams,
  callFunction as elementCallFunction,
  TapParams,
  tap,
  CallMethodParams as ElementCallMethodParams,
  callMethod as elementCallMethod,
  GetDataParams as ElementGetDataParams,
  getData as elementGetData,
  SetDataParams as ElementSetDataParams,
  setData as elementSetData,
  GetOffsetParams,
  getOffset,
  LongpressParams,
  longpress,
  HandleTouchEventParams,
  handleTouchEvent,
  GetAttributesParams,
  getAttributes,
  GetStylesParams,
  getStyles,
  // @ts-ignore
} from './apis/Element.uts'

// @ts-ignore
let socketTask: SocketTask | null = null
const wsEndpoint = process.env.UNI_AUTOMATOR_WS_ENDPOINT

export function send(data: any) {
  // @ts-ignore
  socketTask?.send({ data: JSON.stringify(data) } as SendSocketMessageOptions)
}

export type Callback = (result: any | null, error: any | null) => void

type Msg = {
  id: string,
  method: string,
  params: any
}

export function onMessage(msg: string) {
  // @ts-ignore
  const json = JSON.parse<Msg>(msg)!
  const method = json.method
  if ((method == 'ping')) {
    send('pong')
    return
  }
  const params = JSON.stringify(json.params)
  const res = new Map<string, any | null>([['id', json.id]])
  try {
    const callback = (result?: any | null, error?: any | null) => {
      res.set('result', result)
      res.set('error', error)
      send(res)
    }
    if (method.startsWith('App.')) {
      switch (method) {
        case 'App.callUniMethod':
          // @ts-ignore
          callUniMethod(JSON.parse<CallUniMethodParams>(params)!, callback)
          break
        case 'App.captureScreenshot':
          // @ts-ignore
          captureScreenshot(JSON.parse<CaptureScreenshotParams>(params)!, callback)
          break
        case 'App.getPageStack':
          getPageStack(callback)
          break
        case 'App.getCurrentPage':
          getCurrentPage({ callback } as GetCurrentPageParams)
          break
        case 'App.socketEmitter':
          // @ts-ignore
          socketEmitter(JSON.parse<SocketEmitterParams>(params)!, callback)
          break
      }
    } else if (method.startsWith('Page.')) {
      switch (method) {
        case 'Page.getData':
          // @ts-ignore
          pageGetData(JSON.parse<PageGetDataParams>(params)!, callback)
          break
        case 'Page.setData':
          // @ts-ignore
          pageSetData(JSON.parse<PageSetDataParams>(params)!, callback)
          break
        case 'Page.callMethod':
          // @ts-ignore
          pageCallMethod(JSON.parse<CallMethodParams>(params)!, callback)
          break
        case 'Page.getElement':
          // @ts-ignore
          pageGetElement(JSON.parse<PageGetElementParams>(params)!, callback)
          break
        case 'Page.getElements':
          // @ts-ignore
          pageGetElements(JSON.parse<PageGetElementParams>(params)!, callback)
          break
        case 'Page.getWindowProperties':
          // @ts-ignore
          getWindowProperties(JSON.parse<GetWindowPropertiesParams>(params)!, callback)
          break
      }
    } else if (method.startsWith('Element.')) {
      switch (method) {
        case 'Element.getElement':
          // @ts-ignore
          elementGetElement(JSON.parse<ElementGetElementParams>(params)!, callback)
          break
        case 'Element.getElements':
          // @ts-ignore
          elementGetElements(JSON.parse<ElementGetElementParams>(params)!, callback)
          break
        case 'Element.getDOMProperties':
          // @ts-ignore
          getDOMProperties(JSON.parse<GetDOMPropertiesParams>(params)!, callback)
          break
        case 'Element.getProperties':
          // @ts-ignore
          getProperties(JSON.parse<GetPropertiesParams>(params)!, callback)
          break
        case 'Element.callFunction':
          // @ts-ignore
          elementCallFunction(JSON.parse<ElementCallFunctionParams>(params)!, callback)
          break
        case 'Element.tap':
          // @ts-ignore
          tap(JSON.parse<TapParams>(params)!, callback)
          break
        case 'Element.callMethod':
          // @ts-ignore
          elementCallMethod(JSON.parse<ElementCallMethodParams>(params)!, callback)
          break
        case 'Element.getData':
          // @ts-ignore
          elementGetData(JSON.parse<ElementGetDataParams>(params)!, callback)
          break
        case 'Element.setData':
          // @ts-ignore
          elementSetData(JSON.parse<ElementSetDataParams>(params)!, callback)
          break
        case 'Element.getOffset':
          // @ts-ignore
          getOffset(JSON.parse<GetOffsetParams>(params)!, callback)
          break
        case 'Element.longpress':
          // @ts-ignore
          longpress(JSON.parse<LongpressParams>(params)!, callback)
          break
        case 'Element.touchstart':
        case 'Element.touchmove':
        case 'Element.touchend':
          // @ts-ignore
          handleTouchEvent(JSON.parse<HandleTouchEventParams>(params)!, method.split('.')[1], callback)
          break
        case 'Element.getAttributes':
          // @ts-ignore
          getAttributes(JSON.parse<GetAttributesParams>(params)!, callback)
          break
        case 'Element.getStyles':
          // @ts-ignore
          getStyles(JSON.parse<GetStylesParams>(params)!, callback)
          break
      }
    }
  } catch (error) {
    res.set('error', { message: error.stackTraceToString() })
    send(res)
  }
}

export function initAutomator() {
  // @ts-ignore
  socketTask = uni.connectSocket({
    url: wsEndpoint
  });
  socketTask!.onMessage((res) => {
    onMessage(res.data as string)
  })
  socketTask!.onOpen((_) => {
    console.warn("automator.onOpen")
  })
  socketTask!.onError((err) => {
    console.warn(`automator.onError: ${JSON.stringify(err)}`);
  })
  socketTask!.onClose((_) => {
    console.warn("automator.onClose");
  })
}