import { BrowserWarning } from '@affine/component/affine-banner';
import {
  appSidebarFloatingAtom,
  appSidebarOpenAtom,
} from '@affine/component/app-sidebar';
import { SidebarSwitch } from '@affine/component/app-sidebar/sidebar-header';
import { isDesktop } from '@affine/env/constant';
import { WorkspaceFlavour } from '@affine/env/workspace';
import { CloseIcon, MinusIcon, RoundedRectangleIcon } from '@blocksuite/icons';
import type { Page } from '@blocksuite/store';
import { affinePluginsAtom } from '@toeverything/plugin-infra/manager';
import type { PluginUIAdapter } from '@toeverything/plugin-infra/type';
import { useAtom, useAtomValue } from 'jotai';
import type { FC, HTMLAttributes, PropsWithChildren, ReactNode } from 'react';
import {
  forwardRef,
  memo,
  useCallback,
  useEffect,
  useMemo,
  useState,
} from 'react';

import { guideDownloadClientTipAtom } from '../../../atoms/guide';
import { contentLayoutAtom } from '../../../atoms/layout';
import { useCurrentMode } from '../../../hooks/current/use-current-mode';
import type { AffineOfficialWorkspace } from '../../../shared';
import { DownloadClientTip } from './download-tips';
import EditPage from './header-right-items/edit-page';
import { EditorOptionMenu } from './header-right-items/editor-option-menu';
import { HeaderShareMenu } from './header-right-items/share-menu';
import TrashButtonGroup from './header-right-items/trash-button-group';
import UserAvatar from './header-right-items/user-avatar';
import * as styles from './styles.css';
import { OSWarningMessage, shouldShowWarning } from './utils';

export type BaseHeaderProps<
  Workspace extends AffineOfficialWorkspace = AffineOfficialWorkspace,
> = {
  workspace: Workspace;
  currentPage: Page | null;
  isPublic: boolean;
  leftSlot?: ReactNode;
};

export enum HeaderRightItemName {
  EditorOptionMenu = 'editorOptionMenu',
  TrashButtonGroup = 'trashButtonGroup',
  ShareMenu = 'shareMenu',
  EditPage = 'editPage',
  UserAvatar = 'userAvatar',

  // some windows only items
  WindowsAppControls = 'windowsAppControls',
}

type HeaderItem = {
  Component: FC<BaseHeaderProps>;
  // todo: public workspace should be one of the flavour
  availableWhen: (
    workspace: AffineOfficialWorkspace,
    currentPage: Page | null,
    status: {
      isPublic: boolean;
    }
  ) => boolean;
};

const HeaderRightItems: Record<HeaderRightItemName, HeaderItem> = {
  [HeaderRightItemName.TrashButtonGroup]: {
    Component: TrashButtonGroup,
    availableWhen: (_, currentPage) => {
      return currentPage?.meta.trash === true;
    },
  },
  [HeaderRightItemName.ShareMenu]: {
    Component: HeaderShareMenu,
    availableWhen: (workspace, currentPage) => {
      return workspace.flavour !== WorkspaceFlavour.PUBLIC && !!currentPage;
    },
  },
  [HeaderRightItemName.EditPage]: {
    Component: EditPage,
    availableWhen: (workspace, currentPage, { isPublic }) => {
      return isPublic;
    },
  },
  [HeaderRightItemName.UserAvatar]: {
    Component: UserAvatar,
    availableWhen: (workspace, currentPage, { isPublic }) => {
      return isPublic;
    },
  },
  [HeaderRightItemName.EditorOptionMenu]: {
    Component: EditorOptionMenu,
    availableWhen: (_, currentPage, { isPublic }) => {
      return !isPublic;
    },
  },
  [HeaderRightItemName.WindowsAppControls]: {
    Component: () => {
      const handleMinimizeApp = useCallback(() => {
        window.apis?.ui.handleMinimizeApp().catch(err => {
          console.error(err);
        });
      }, []);
      const handleMaximizeApp = useCallback(() => {
        window.apis?.ui.handleMaximizeApp().catch(err => {
          console.error(err);
        });
      }, []);
      const handleCloseApp = useCallback(() => {
        window.apis?.ui.handleCloseApp().catch(err => {
          console.error(err);
        });
      }, []);
      return (
        <div
          data-platform-target="win32"
          className={styles.windowAppControlsWrapper}
        >
          <button
            data-type="minimize"
            className={styles.windowAppControl}
            onClick={handleMinimizeApp}
          >
            <MinusIcon />
          </button>
          <button
            data-type="maximize"
            className={styles.windowAppControl}
            onClick={handleMaximizeApp}
          >
            <RoundedRectangleIcon />
          </button>
          <button
            data-type="close"
            className={styles.windowAppControl}
            onClick={handleCloseApp}
          >
            <CloseIcon />
          </button>
        </div>
      );
    },
    availableWhen: () => {
      return isDesktop && globalThis.platform === 'win32';
    },
  },
};

export type HeaderProps = BaseHeaderProps;

const PluginHeaderItemAdapter = memo<{
  headerItem: PluginUIAdapter['headerItem'];
}>(function PluginHeaderItemAdapter({ headerItem }) {
  return (
    <div>
      {headerItem({
        contentLayoutAtom,
      })}
    </div>
  );
});

const PluginHeader = () => {
  const affinePluginsMap = useAtomValue(affinePluginsAtom);
  const plugins = useMemo(
    () => Object.values(affinePluginsMap),
    [affinePluginsMap]
  );

  return (
    <div>
      {plugins
        .filter(plugin => plugin.uiAdapter.headerItem != null)
        .map(plugin => {
          const headerItem = plugin.uiAdapter
            .headerItem as PluginUIAdapter['headerItem'];
          return (
            <PluginHeaderItemAdapter
              key={plugin.definition.id}
              headerItem={headerItem}
            />
          );
        })}
    </div>
  );
};

export const Header = forwardRef<
  HTMLDivElement,
  PropsWithChildren<HeaderProps> & HTMLAttributes<HTMLDivElement>
>((props, ref) => {
  const [showWarning, setShowWarning] = useState(false);
  const [showGuideDownloadClientTip, setShowGuideDownloadClientTip] =
    useState(false);
  const [shouldShowGuideDownloadClientTip] = useAtom(
    guideDownloadClientTipAtom
  );
  useEffect(() => {
    setShowWarning(shouldShowWarning());
    setShowGuideDownloadClientTip(shouldShowGuideDownloadClientTip);
  }, [shouldShowGuideDownloadClientTip]);
  const open = useAtomValue(appSidebarOpenAtom);
  const appSidebarFloating = useAtomValue(appSidebarFloatingAtom);

  const mode = useCurrentMode();

  return (
    <div
      className={styles.headerContainer}
      ref={ref}
      data-has-warning={showWarning}
      data-open={open}
      data-sidebar-floating={appSidebarFloating}
    >
      {showGuideDownloadClientTip ? (
        <DownloadClientTip />
      ) : (
        <BrowserWarning
          show={showWarning}
          message={<OSWarningMessage />}
          onClose={() => {
            setShowWarning(false);
          }}
        />
      )}

      <div
        className={styles.header}
        data-has-warning={showWarning}
        data-testid="editor-header-items"
        data-is-edgeless={mode === 'edgeless'}
      >
        <div style={{ display: 'flex', alignItems: 'center' }}>
          {!open && <SidebarSwitch />}
          {props.leftSlot}
        </div>

        {props.children}
        <div className={styles.headerRightSide}>
          <PluginHeader />
          {useMemo(() => {
            return Object.entries(HeaderRightItems).map(
              ([name, { availableWhen, Component }]) => {
                if (
                  availableWhen(props.workspace, props.currentPage, {
                    isPublic: props.isPublic,
                  })
                ) {
                  return (
                    <Component
                      workspace={props.workspace}
                      currentPage={props.currentPage}
                      isPublic={props.isPublic}
                      key={name}
                    />
                  );
                }
                return null;
              }
            );
          }, [props])}
        </div>
      </div>
    </div>
  );
});

Header.displayName = 'Header';