import { AnimatePresence, motion } from 'framer-motion';
import { useLocation } from 'react-router-dom';
import { useRecoilValue } from 'recoil';
import { isDefined, useIcons } from 'twenty-ui';

import { currentUserState } from '@/auth/states/currentUserState';
import { ObjectMetadataNavItemsSkeletonLoader } from '@/object-metadata/components/ObjectMetadataNavItemsSkeletonLoader';
import { useFilteredObjectMetadataItems } from '@/object-metadata/hooks/useFilteredObjectMetadataItems';
import { useIsPrefetchLoading } from '@/prefetch/hooks/useIsPrefetchLoading';
import { usePrefetchedData } from '@/prefetch/hooks/usePrefetchedData';
import { PrefetchKey } from '@/prefetch/types/PrefetchKey';
import { NavigationDrawerItem } from '@/ui/navigation/navigation-drawer/components/NavigationDrawerItem';
import { NavigationDrawerSection } from '@/ui/navigation/navigation-drawer/components/NavigationDrawerSection';
import { NavigationDrawerSectionTitle } from '@/ui/navigation/navigation-drawer/components/NavigationDrawerSectionTitle';
import { NavigationDrawerSubItem } from '@/ui/navigation/navigation-drawer/components/NavigationDrawerSubItem';
import { useNavigationSection } from '@/ui/navigation/navigation-drawer/hooks/useNavigationSection';
import { View } from '@/views/types/View';
import { getObjectMetadataItemViews } from '@/views/utils/getObjectMetadataItemViews';
import { Theme, useTheme } from '@emotion/react';

const ORDERED_STANDARD_OBJECTS = [
  'person',
  'company',
  'opportunity',
  'task',
  'note',
];

const navItemsAnimationVariants = (theme: Theme) => ({
  hidden: {
    height: 0,
    opacity: 0,
    marginTop: 0,
  },
  visible: {
    height: 'auto',
    opacity: 1,
    marginTop: theme.spacing(1),
  },
});

export const ObjectMetadataNavItems = ({ isRemote }: { isRemote: boolean }) => {
  const currentUser = useRecoilValue(currentUserState);

  const { toggleNavigationSection, isNavigationSectionOpenState } =
    useNavigationSection('Objects' + (isRemote ? 'Remote' : 'Workspace'));
  const isNavigationSectionOpen = useRecoilValue(isNavigationSectionOpenState);

  const { activeObjectMetadataItems } = useFilteredObjectMetadataItems();
  const filteredActiveObjectMetadataItems = activeObjectMetadataItems.filter(
    (item) => (isRemote ? item.isRemote : !item.isRemote),
  );
  const { getIcon } = useIcons();
  const currentPath = useLocation().pathname;
  const currentPathWithSearch = currentPath + useLocation().search;

  const { records: views } = usePrefetchedData<View>(PrefetchKey.AllViews);
  const loading = useIsPrefetchLoading();

  const theme = useTheme();

  if (loading && isDefined(currentUser)) {
    return <ObjectMetadataNavItemsSkeletonLoader />;
  }

  return (
    filteredActiveObjectMetadataItems.length > 0 && (
      <NavigationDrawerSection>
        <NavigationDrawerSectionTitle
          label={isRemote ? 'Remote' : 'Workspace'}
          onClick={() => toggleNavigationSection()}
        />

        {isNavigationSectionOpen &&
          [
            ...filteredActiveObjectMetadataItems
              .filter((item) =>
                ORDERED_STANDARD_OBJECTS.includes(item.nameSingular),
              )
              .sort((objectMetadataItemA, objectMetadataItemB) => {
                const indexA = ORDERED_STANDARD_OBJECTS.indexOf(
                  objectMetadataItemA.nameSingular,
                );
                const indexB = ORDERED_STANDARD_OBJECTS.indexOf(
                  objectMetadataItemB.nameSingular,
                );
                if (indexA === -1 || indexB === -1) {
                  return objectMetadataItemA.nameSingular.localeCompare(
                    objectMetadataItemB.nameSingular,
                  );
                }
                return indexA - indexB;
              }),
            ...filteredActiveObjectMetadataItems
              .filter(
                (item) => !ORDERED_STANDARD_OBJECTS.includes(item.nameSingular),
              )
              .sort((objectMetadataItemA, objectMetadataItemB) => {
                return new Date(objectMetadataItemA.createdAt) <
                  new Date(objectMetadataItemB.createdAt)
                  ? 1
                  : -1;
              }),
          ].map((objectMetadataItem) => {
            const objectMetadataViews = getObjectMetadataItemViews(
              objectMetadataItem.id,
              views,
            );
            const viewId = objectMetadataViews[0]?.id;

            const navigationPath = `/objects/${objectMetadataItem.namePlural}${
              viewId ? `?view=${viewId}` : ''
            }`;

            const shouldSubItemsBeDisplayed =
              currentPath === `/objects/${objectMetadataItem.namePlural}` &&
              objectMetadataViews.length > 1;

            return (
              <div key={objectMetadataItem.id}>
                <NavigationDrawerItem
                  key={objectMetadataItem.id}
                  label={objectMetadataItem.labelPlural}
                  to={navigationPath}
                  Icon={getIcon(objectMetadataItem.icon)}
                  active={
                    currentPath === `/objects/${objectMetadataItem.namePlural}`
                  }
                />
                <AnimatePresence>
                  {shouldSubItemsBeDisplayed && (
                    <motion.div
                      initial="hidden"
                      animate="visible"
                      exit="hidden"
                      variants={navItemsAnimationVariants(theme)}
                      transition={{ duration: 0.3, ease: 'easeInOut' }}
                    >
                      {objectMetadataViews
                        .sort((viewA, viewB) =>
                          viewA.key === 'INDEX'
                            ? -1
                            : viewA.position - viewB.position,
                        )
                        .map((view) => (
                          <NavigationDrawerSubItem
                            label={view.name}
                            to={`/objects/${objectMetadataItem.namePlural}?view=${view.id}`}
                            active={
                              currentPathWithSearch ===
                              `/objects/${objectMetadataItem.namePlural}?view=${view.id}`
                            }
                            Icon={getIcon(view.icon)}
                            key={view.id}
                          />
                        ))}
                    </motion.div>
                  )}
                </AnimatePresence>
              </div>
            );
          })}
      </NavigationDrawerSection>
    )
  );
};