import { getCurrentPage, navigator } from '@dcloudio/uni-runtime';
import { HideNavigationBarLoading, HideNavigationBarLoadingOptions, HideNavigationBarLoadingSuccess, SetNavigationBarColor, SetNavigationBarColorOptions, SetNavigationBarColorSuccess, SetNavigationBarTitle, SetNavigationBarTitleOptions, SetNavigationBarTitleSuccess, ShowNavigationBarLoading, ShowNavigationBarLoadingOptions, ShowNavigationBarLoadingSuccess } from '../interface.uts';
import { API_SET_NAVIGATION_BAR_COLOR, API_SET_NAVIGATION_BAR_TITLE, SetNavigationBarColorProtocol, SetNavigationBarTitleProtocol } from '../protocol.uts';

export { SetNavigationBarColor, SetNavigationBarColorOptions, SetNavigationBarColorSuccess, SetNavigationBarTitle, SetNavigationBarTitleOptions, SetNavigationBarTitleSuccess, ShowNavigationBarLoading, ShowNavigationBarLoadingOptions, ShowNavigationBarLoadingSuccess, HideNavigationBarLoading, HideNavigationBarLoadingOptions, HideNavigationBarLoadingSuccess }

interface TitleNView {
  titleText: string;
  autoBackButton?: boolean
  loading?: boolean
}
interface BackButton {
  color?: string
}
interface PlusWebviewWebviewTitleNViewStyles {
  backgroundColor?: string
  titleColor?: string,
  titleNView?: TitleNView
  backButton?: BackButton
}
interface Webview {
  getStyle: () => PlusWebviewWebviewTitleNViewStyles | null;
  setStyle: (style: PlusWebviewWebviewTitleNViewStyles) => void;
};
interface $page {
  statusBarStyle: 'dark' | 'light'
}
interface Page {
  $getAppWebview: () => Webview | null;
  $page: $page
}

const getWebview = (page: Page): Webview | null => {
  const webview = page.$getAppWebview()
  return webview

}

export const setNavigationBarColor: SetNavigationBarColor =
  defineAsyncApi<SetNavigationBarColorOptions, SetNavigationBarColorSuccess>(
    API_SET_NAVIGATION_BAR_COLOR,
    (
      args: SetNavigationBarColorOptions,
      executor: ApiExecutor<SetNavigationBarColorSuccess>
    ) => {
      const page = getCurrentPage() as Page
      if (!page) {
        return executor.reject(`getCurrentPages is empty`)
      }
      const webview = getWebview(page)
      if (webview) {
        const styles: PlusWebviewWebviewTitleNViewStyles = {}
        if (args.frontColor) {
          styles.titleColor = args.frontColor
        }
        if (args.backgroundColor) {
          styles.backgroundColor = args.backgroundColor
        }
        const statusBarStyle = args.frontColor === '#000000' ? 'dark' : 'light'
        try { navigator.setStatusBarStyle(statusBarStyle) } catch (error) { }

        // 用户调用api时同时改变当前页配置，这样在系统调用设置时，可以避免覆盖用户设置
        page.$page.statusBarStyle = statusBarStyle

        const style = webview.getStyle()
        if (style && style.titleNView) {
          if (style.titleNView.autoBackButton) {
            styles.backButton = styles.backButton || {}
            styles.backButton.color = args.frontColor
          }
          webview.setStyle({
            titleNView: styles as TitleNView,
          } as PlusWebviewWebviewTitleNViewStyles)
        }
        executor.resolve()
      } else {
        executor.reject()
      }
    },
    SetNavigationBarColorProtocol
  ) as SetNavigationBarColor


export const setNavigationBarTitle: SetNavigationBarTitle =
  defineAsyncApi<SetNavigationBarTitleOptions, SetNavigationBarTitleSuccess>(
    API_SET_NAVIGATION_BAR_TITLE,
    (args: SetNavigationBarTitleOptions, executor: ApiExecutor<SetNavigationBarTitleSuccess>) => {
      const page = getCurrentPage() as Page
      if (!page) {
        return executor.reject(`getCurrentPages is empty`)
      }

      const webview = getWebview(page)
      if (webview) {
        const style = webview.getStyle()
        if (style && style.titleNView) {
          webview.setStyle({
            titleNView: {
              titleText: args.title,
            } as TitleNView,
          } as PlusWebviewWebviewTitleNViewStyles)
        }
        executor.resolve()
      } else {
        executor.reject()
      }
    },
    SetNavigationBarTitleProtocol
  ) as SetNavigationBarTitle

export const showNavigationBarLoading: ShowNavigationBarLoading =
  defineAsyncApi<ShowNavigationBarLoadingOptions, ShowNavigationBarLoadingSuccess>(
    API_SET_NAVIGATION_BAR_TITLE,
    (args: ShowNavigationBarLoadingOptions, executor: ApiExecutor<ShowNavigationBarLoadingSuccess>) => {
      const page = getCurrentPage() as Page
      if (!page) {
        return executor.reject(`getCurrentPages is empty`)
      }

      const webview = getWebview(page)
      if (webview) {
        const style = webview.getStyle()
        if (style && style.titleNView) {
          webview.setStyle({
            titleNView: {
              loading: true,
            } as TitleNView,
          } as PlusWebviewWebviewTitleNViewStyles)
        }
        executor.resolve()
      } else {
        executor.reject()
      }
    }
  ) as ShowNavigationBarLoading

export const hideNavigationBarLoading: HideNavigationBarLoading =
  defineAsyncApi<HideNavigationBarLoadingOptions, HideNavigationBarLoadingSuccess>(
    API_SET_NAVIGATION_BAR_TITLE,
    (args: HideNavigationBarLoadingOptions, executor: ApiExecutor<HideNavigationBarLoadingSuccess>) => {
      const page = getCurrentPage() as Page
      if (!page) {
        return executor.reject(`getCurrentPages is empty`)
      }

      const webview = getWebview(page)
      if (webview) {
        const style = webview.getStyle()
        if (style && style.titleNView) {
          webview.setStyle({
            titleNView: {
              loading: false,
            } as TitleNView,
          } as PlusWebviewWebviewTitleNViewStyles)
        }
        executor.resolve()
      } else {
        executor.reject()
      }
    }
  ) as HideNavigationBarLoading