import React from "react";
import PropTypes, { element } from "prop-types";
import { inject, observer } from "mobx-react";
import { isMobile } from "react-device-detect";

import {
  isMobile as isMobileUtils,
  isTablet as isTabletUtils,
} from "@docspace/components/utils/device";
import { Provider } from "@docspace/components/utils/context";

import SectionContainer from "./sub-components/section-container";
import SubSectionHeader from "./sub-components/section-header";
import SubSectionFilter from "./sub-components/section-filter";
import SubSectionBody from "./sub-components/section-body";
import SubSectionBodyContent from "./sub-components/section-body-content";
import SubSectionPaging from "./sub-components/section-paging";
import InfoPanel from "./sub-components/info-panel";
import SubInfoPanelBody from "./sub-components/info-panel-body";
import SubInfoPanelHeader from "./sub-components/info-panel-header";
import SubSectionFooter from "./sub-components/section-footer";

import FloatingButton from "@docspace/components/floating-button";

const Section = (props) => {
  const {
    onDrop,
    showPrimaryProgressBar,
    primaryProgressBarIcon,
    primaryProgressBarValue,
    showPrimaryButtonAlert,
    showSecondaryProgressBar,
    secondaryProgressBarValue,
    secondaryProgressBarIcon,
    showSecondaryButtonAlert,
    uploadFiles,
    viewAs,
    withBodyScroll,
    children,
    isHeaderVisible,
    onOpenUploadPanel,
    isTabletView,
    maintenanceExist,
    snackbarExist,
    showText,
    isInfoPanelAvailable,
    settingsStudio,
    clearUploadedFilesHistory,
    isInfoPanelVisible,
    isInfoPanelScrollLocked,
    isEmptyPage,
  } = props;

  const [sectionSize, setSectionSize] = React.useState({
    width: null,
    height: null,
  });

  const containerRef = React.useRef(null);
  const timerRef = React.useRef(null);

  let sectionHeaderContent = null;
  let sectionFilterContent = null;
  let sectionPagingContent = null;
  let sectionBodyContent = null;
  let sectionFooterContent = null;
  let infoPanelBodyContent = null;
  let infoPanelHeaderContent = null;

  React.Children.forEach(children, (child) => {
    const childType =
      child && child.type && (child.type.displayName || child.type.name);

    switch (childType) {
      case Section.SectionHeader.displayName:
        sectionHeaderContent = child;
        break;
      case Section.SectionFilter.displayName:
        sectionFilterContent = child;
        break;
      case Section.SectionPaging.displayName:
        sectionPagingContent = child;
        break;
      case Section.SectionBody.displayName:
        sectionBodyContent = child;
        break;
      case Section.SectionFooter.displayName:
        sectionFooterContent = child;
        break;
      case Section.InfoPanelBody.displayName:
        infoPanelBodyContent = child;
        break;
      case Section.InfoPanelHeader.displayName:
        infoPanelHeaderContent = child;
        break;
      default:
        break;
    }
  });

  const isSectionHeaderAvailable = !!sectionHeaderContent,
    isSectionFilterAvailable = !!sectionFilterContent,
    isSectionPagingAvailable = !!sectionPagingContent,
    isSectionBodyAvailable =
      !!sectionBodyContent ||
      isSectionFilterAvailable ||
      isSectionPagingAvailable,
    isSectionAvailable =
      isSectionHeaderAvailable ||
      isSectionFilterAvailable ||
      isSectionBodyAvailable ||
      isSectionPagingAvailable;

  React.useEffect(() => {
    window.addEventListener("resize", onResize);

    const ro = new ResizeObserver(onResize);

    !!containerRef.current && ro.observe(containerRef.current);
    return () => {
      !!containerRef.current && ro.unobserve(containerRef.current);
      window.removeEventListener("resize", onResize);
    };
  }, []);

  const onResize = React.useCallback(() => {
    clearTimeout(timerRef.current);

    timerRef.current = setTimeout(() => {
      if (!containerRef.current) return;

      const computedStyles = window.getComputedStyle(
        containerRef.current,
        null
      );
      const width = +computedStyles.getPropertyValue("width").replace("px", "");
      const height = +computedStyles
        .getPropertyValue("height")
        .replace("px", "");

      setSectionSize(() => ({ width, height }));
    }, 100);
  }, []);

  return (
    <>
      {isSectionAvailable && (
        <Provider
          value={{
            sectionWidth: sectionSize.width,
            sectionHeight: sectionSize.height,
          }}
        >
          <SectionContainer
            showText={showText}
            viewAs={viewAs}
            ref={containerRef}
            maintenanceExist={maintenanceExist}
            isSectionHeaderAvailable={isSectionHeaderAvailable}
            settingsStudio={settingsStudio}
            isInfoPanelVisible={isInfoPanelVisible}
          >
            {isSectionHeaderAvailable && !isMobile && (
              <SubSectionHeader
                maintenanceExist={maintenanceExist}
                snackbarExist={snackbarExist}
                className="section-header_header"
                isHeaderVisible={isHeaderVisible}
                viewAs={viewAs}
                showText={showText}
                isEmptyPage={isEmptyPage}
              >
                {sectionHeaderContent
                  ? sectionHeaderContent.props.children
                  : null}
              </SubSectionHeader>
            )}
            {isSectionFilterAvailable && !isMobile && (
              <>
                <SubSectionFilter
                  className="section-header_filter"
                  viewAs={viewAs}
                >
                  {sectionFilterContent
                    ? sectionFilterContent.props.children
                    : null}
                </SubSectionFilter>
              </>
            )}

            {isSectionBodyAvailable && (
              <>
                <SubSectionBody
                  onDrop={onDrop}
                  uploadFiles={uploadFiles}
                  withScroll={withBodyScroll}
                  autoFocus={isMobile || isTabletView ? false : true}
                  viewAs={viewAs}
                  settingsStudio={settingsStudio}
                >
                  {isSectionHeaderAvailable && isMobile && (
                    <SubSectionHeader
                      className="section-body_header"
                      isHeaderVisible={isHeaderVisible}
                      viewAs={viewAs}
                      showText={showText}
                      settingsStudio={settingsStudio}
                      isEmptyPage={isEmptyPage}
                    >
                      {sectionHeaderContent
                        ? sectionHeaderContent.props.children
                        : null}
                    </SubSectionHeader>
                  )}
                  {isSectionFilterAvailable && isMobile && (
                    <SubSectionFilter className="section-body_filter">
                      {sectionFilterContent
                        ? sectionFilterContent.props.children
                        : null}
                    </SubSectionFilter>
                  )}
                  <SubSectionBodyContent>
                    {sectionBodyContent
                      ? sectionBodyContent.props.children
                      : null}
                  </SubSectionBodyContent>
                  <SubSectionFooter>
                    {sectionFooterContent
                      ? sectionFooterContent.props.children
                      : null}
                  </SubSectionFooter>
                  {isSectionPagingAvailable && (
                    <SubSectionPaging>
                      {sectionPagingContent
                        ? sectionPagingContent.props.children
                        : null}
                    </SubSectionPaging>
                  )}
                </SubSectionBody>
              </>
            )}

            {!(isMobile || isMobileUtils() || isTabletUtils()) ? (
              showPrimaryProgressBar && showSecondaryProgressBar ? (
                <>
                  <FloatingButton
                    className="layout-progress-bar"
                    icon={primaryProgressBarIcon}
                    percent={primaryProgressBarValue}
                    alert={showPrimaryButtonAlert}
                    onClick={onOpenUploadPanel}
                    clearUploadedFilesHistory={clearUploadedFilesHistory}
                  />
                  <FloatingButton
                    className="layout-progress-second-bar"
                    icon={secondaryProgressBarIcon}
                    percent={secondaryProgressBarValue}
                    alert={showSecondaryButtonAlert}
                    showTwoProgress={
                      showPrimaryProgressBar && showSecondaryProgressBar
                    }
                  />
                </>
              ) : showPrimaryProgressBar && !showSecondaryProgressBar ? (
                <FloatingButton
                  className="layout-progress-bar"
                  icon={primaryProgressBarIcon}
                  percent={primaryProgressBarValue}
                  alert={showPrimaryButtonAlert}
                  onClick={onOpenUploadPanel}
                  clearUploadedFilesHistory={clearUploadedFilesHistory}
                />
              ) : !showPrimaryProgressBar && showSecondaryProgressBar ? (
                <FloatingButton
                  className="layout-progress-bar"
                  icon={secondaryProgressBarIcon}
                  percent={secondaryProgressBarValue}
                  alert={showSecondaryButtonAlert}
                />
              ) : (
                <></>
              )
            ) : (
              <></>
            )}
          </SectionContainer>

          {isInfoPanelAvailable && (
            <InfoPanel viewAs={viewAs}>
              <SubInfoPanelHeader>{infoPanelHeaderContent}</SubInfoPanelHeader>
              <SubInfoPanelBody
                isInfoPanelScrollLocked={isInfoPanelScrollLocked}
              >
                {infoPanelBodyContent}
              </SubInfoPanelBody>
            </InfoPanel>
          )}
        </Provider>
      )}
    </>
  );
};

Section.SectionHeader = () => {
  return null;
};
Section.SectionHeader.displayName = "SectionHeader";

Section.SectionFilter = () => {
  return null;
};
Section.SectionFilter.displayName = "SectionFilter";

Section.SectionBody = () => {
  return null;
};
Section.SectionBody.displayName = "SectionBody";

Section.SectionFooter = () => {
  return null;
};
Section.SectionFooter.displayName = "SectionFooter";

Section.SectionPaging = () => {
  return null;
};
Section.SectionPaging.displayName = "SectionPaging";

Section.InfoPanelBody = () => {
  return null;
};
Section.InfoPanelBody.displayName = "InfoPanelBody";

Section.InfoPanelHeader = () => {
  return null;
};
Section.InfoPanelHeader.displayName = "InfoPanelHeader";

Section.propTypes = {
  children: PropTypes.any,
  withBodyScroll: PropTypes.bool,
  showPrimaryProgressBar: PropTypes.bool,
  primaryProgressBarValue: PropTypes.number,
  showPrimaryButtonAlert: PropTypes.bool,
  progressBarDropDownContent: PropTypes.any,
  primaryProgressBarIcon: PropTypes.string,
  showSecondaryProgressBar: PropTypes.bool,
  secondaryProgressBarValue: PropTypes.number,
  secondaryProgressBarIcon: PropTypes.string,
  showSecondaryButtonAlert: PropTypes.bool,
  onDrop: PropTypes.func,
  uploadFiles: PropTypes.bool,
  viewAs: PropTypes.string,
  onOpenUploadPanel: PropTypes.func,
  isTabletView: PropTypes.bool,
  isHeaderVisible: PropTypes.bool,
  isInfoPanelAvailable: PropTypes.bool,
  settingsStudio: PropTypes.bool,
  isEmptyPage: PropTypes.bool,
};

Section.defaultProps = {
  withBodyScroll: true,
  isInfoPanelAvailable: true,
  settingsStudio: false,
};

export default inject(({ auth }) => {
  const { settingsStore } = auth;
  const {
    isHeaderVisible,
    isTabletView,
    maintenanceExist,
    snackbarExist,
    showText,
  } = settingsStore;

  const {
    isVisible: isInfoPanelVisible,
    isScrollLocked: isInfoPanelScrollLocked,
  } = auth.infoPanelStore;

  return {
    isTabletView,
    isHeaderVisible,

    maintenanceExist,
    snackbarExist,

    showText,

    isInfoPanelVisible,
    isInfoPanelScrollLocked,
  };
})(observer(Section));