import * as React from 'react';
import { Actions } from './components/Actions';
import { BaseView } from './components/BaseView';
import { GlobalSettings } from './components/GlobalSettings';
import { OtherActions } from './components/OtherActions';
import { SeoStatus } from './components/SeoStatus';
import { Spinner } from './components/Spinner';
import { FolderAndFiles } from './components/FolderAndFiles';
import { Metadata } from './components/Metadata';
import { SponsorMsg } from './components/SponsorMsg';
import useMessages from './hooks/useMessages';
import { FeatureFlag } from '../components/features/FeatureFlag';
import { FEATURE_FLAG } from '../constants/Features';
import { GitAction } from './components/Git/GitAction';
import { CustomView } from './components/CustomView';
import { useEffect, useMemo, useState } from 'react';

export interface IViewPanelProps { }

export const ViewPanel: React.FunctionComponent<IViewPanelProps> = (
  { }: React.PropsWithChildren<IViewPanelProps>
) => {
  const [isDevMode, setIsDevMode] = useState(false);
  const {
    loading,
    mediaSelecting,
    metadata,
    settings,
    folderAndFiles,
    focusElm,
    unsetFocus,
    mode
  } = useMessages();

  const allPanelValues = useMemo(() => {
    return Object.values(FEATURE_FLAG.panel).filter(v => v !== FEATURE_FLAG.panel.globalSettings)
  }, [FEATURE_FLAG.panel]);

  useEffect(() => {
    if (window.fmExternal && window.fmExternal.isDevelopment) {
      setIsDevMode(true);
    }
  }, []);

  if (mediaSelecting) {
    return (
      <div className="frontmatter media_selection">
        <h1>Continue in the media dashboard to select the image you want to insert.</h1>
      </div>
    );
  }

  if (loading) {
    return <Spinner />;
  }

  if (!metadata || Object.keys(metadata || {}).length === 0) {
    return <BaseView mode={mode} settings={settings} folderAndFiles={folderAndFiles} />;
  }

  return (
    <div className="frontmatter">
      {
        isDevMode && (
          <div className="developer__bar">
            <a
              className="developer__bar__link"
              href={`command:workbench.action.webview.reloadWebviewAction`}
              title="Reload the dashboard">
              Reload
            </a>
            <a
              className="developer__bar__link"
              href={`command:workbench.action.webview.openDeveloperTools`}
              title="Open DevTools">
              DevTools
            </a>
          </div>
        )
      }

      <div className={`ext_actions`}>
        <GitAction settings={settings} />

        <CustomView metadata={metadata} />

        <FeatureFlag features={mode?.features || [...allPanelValues]} flag={FEATURE_FLAG.panel.globalSettings}>
          <GlobalSettings settings={settings} />
        </FeatureFlag>

        {settings && settings.seo && (
          <FeatureFlag features={mode?.features || []} flag={FEATURE_FLAG.panel.seo}>
            <SeoStatus
              seo={settings.seo}
              data={metadata}
              focusElm={focusElm}
              unsetFocus={unsetFocus}
            />
          </FeatureFlag>
        )}
        {settings && metadata && (
          <FeatureFlag features={mode?.features || []} flag={FEATURE_FLAG.panel.actions}>
            <Actions metadata={metadata} settings={settings} />
          </FeatureFlag>
        )}

        <FeatureFlag features={mode?.features || []} flag={FEATURE_FLAG.panel.metadata}>
          <Metadata
            settings={settings}
            metadata={metadata}
            focusElm={focusElm}
            unsetFocus={unsetFocus}
            features={mode?.features || []}
          />
        </FeatureFlag>

        <FeatureFlag features={mode?.features || []} flag={FEATURE_FLAG.panel.recentlyModified}>
          <FolderAndFiles data={folderAndFiles} />
        </FeatureFlag>

        <FeatureFlag features={mode?.features || []} flag={FEATURE_FLAG.panel.otherActions}>
          <OtherActions settings={settings} isFile={true} />
        </FeatureFlag>
      </div>

      <SponsorMsg isBacker={settings?.isBacker} />
    </div>
  );
};