import React, { useEffect } from 'react';
import PropTypes from 'prop-types';
import { useDispatch, useSelector } from 'react-redux';
import { useHistory } from 'react-router-dom';
import Box from '../../ui/box';
import Typography from '../../ui/typography/typography';
import Card from '../../ui/card';
import {
  COLORS,
  TYPOGRAPHY,
  JUSTIFY_CONTENT,
  FLEX_DIRECTION,
  ALIGN_ITEMS,
  DISPLAY,
  BLOCK_SIZES,
  FLEX_WRAP,
} from '../../../helpers/constants/design-system';
import { ENVIRONMENT_TYPE_POPUP } from '../../../../shared/constants/app';
import { getEnvironmentType } from '../../../../app/scripts/lib/util';
import { getIpfsGateway } from '../../../selectors';
import { ASSET_ROUTE } from '../../../helpers/constants/routes';
import { getAssetImageURL } from '../../../helpers/utils/util';
import { updateCollectibleDropDownState } from '../../../store/actions';
import { usePrevious } from '../../../hooks/usePrevious';
import { getCollectiblesDropdownState } from '../../../ducks/metamask/metamask';

const width =
  getEnvironmentType() === ENVIRONMENT_TYPE_POPUP
    ? BLOCK_SIZES.ONE_THIRD
    : BLOCK_SIZES.ONE_SIXTH;

const PREVIOUSLY_OWNED_KEY = 'previouslyOwned';

export default function CollectiblesItems({
  collections = {},
  previouslyOwnedCollection = {},
}) {
  const dispatch = useDispatch();
  const collectionsKeys = Object.keys(collections);
  const collectiblesDropdownState = useSelector(getCollectiblesDropdownState);
  const previousCollectionKeys = usePrevious(collectionsKeys);

  useEffect(() => {
    if (
      !Object.keys(collectiblesDropdownState).length &&
      previousCollectionKeys !== collectionsKeys
    ) {
      const initState = {};
      collectionsKeys.forEach((key) => {
        initState[key] = true;
      });
      dispatch(updateCollectibleDropDownState(initState));
    }
  }, [
    collectionsKeys,
    previousCollectionKeys,
    collectiblesDropdownState,
    dispatch,
  ]);

  const ipfsGateway = useSelector(getIpfsGateway);
  const history = useHistory();

  const renderCollectionImage = (
    isPreviouslyOwnedCollection,
    collectionImage,
    collectionName,
  ) => {
    if (isPreviouslyOwnedCollection) {
      return null;
    }
    if (collectionImage) {
      return (
        <img
          src={collectionImage}
          className="collectibles-items__collection-image"
        />
      );
    }
    return (
      <div className="collectibles-items__collection-image-alt">
        {collectionName[0]}
      </div>
    );
  };

  const renderCollection = ({
    collectibles,
    collectionName,
    collectionImage,
    key,
    isPreviouslyOwnedCollection,
  }) => {
    if (!collectibles.length) {
      return null;
    }

    const isExpanded = collectiblesDropdownState[key];
    return (
      <div className="collectibles-items__collection" key={`collection-${key}`}>
        <button
          onClick={() => {
            dispatch(
              updateCollectibleDropDownState({
                ...collectiblesDropdownState,
                [key]: !isExpanded,
              }),
            );
          }}
          className="collectibles-items__collection-wrapper"
        >
          <Box
            marginBottom={2}
            display={DISPLAY.FLEX}
            alignItems={ALIGN_ITEMS.CENTER}
            justifyContent={JUSTIFY_CONTENT.SPACE_BETWEEN}
            className="collectibles-items__collection-accordion-title"
          >
            <Box
              alignItems={ALIGN_ITEMS.CENTER}
              className="collectibles-items__collection-header"
            >
              {renderCollectionImage(
                isPreviouslyOwnedCollection,
                collectionImage,
                collectionName,
              )}
              <Typography
                color={COLORS.BLACK}
                variant={TYPOGRAPHY.H5}
                margin={[0, 0, 0, 2]}
              >
                {`${collectionName} (${collectibles.length})`}
              </Typography>
            </Box>
            <Box alignItems={ALIGN_ITEMS.FLEX_END}>
              <i className={`fa fa-chevron-${isExpanded ? 'down' : 'right'}`} />
            </Box>
          </Box>
        </button>

        {isExpanded ? (
          <Box display={DISPLAY.FLEX} flexWrap={FLEX_WRAP.WRAP} gap={4}>
            {collectibles.map((collectible, i) => {
              const { image, address, tokenId, backgroundColor } = collectible;
              const collectibleImage = getAssetImageURL(image, ipfsGateway);
              return (
                <Box
                  width={width}
                  key={`collectible-${i}`}
                  className="collectibles-items__collection-item-wrapper"
                >
                  <Card padding={0} justifyContent={JUSTIFY_CONTENT.CENTER}>
                    <div
                      className="collectibles-items__collection-item"
                      style={{
                        backgroundColor,
                      }}
                    >
                      <img
                        onClick={() =>
                          history.push(`${ASSET_ROUTE}/${address}/${tokenId}`)
                        }
                        className="collectibles-items__collection-item-image"
                        src={collectibleImage}
                      />
                    </div>
                  </Card>
                </Box>
              );
            })}
          </Box>
        ) : null}
      </div>
    );
  };

  return (
    <div className="collectibles-items">
      <Box padding={[6, 4]} flexDirection={FLEX_DIRECTION.COLUMN}>
        <>
          {collectionsKeys.map((key) => {
            const {
              collectibles,
              collectionName,
              collectionImage,
            } = collections[key];

            return renderCollection({
              collectibles,
              collectionName,
              collectionImage,
              key,
              isPreviouslyOwnedCollection: false,
            });
          })}
          {renderCollection({
            collectibles: previouslyOwnedCollection.collectibles,
            collectionName: previouslyOwnedCollection.collectionName,
            isPreviouslyOwnedCollection: true,
            key: PREVIOUSLY_OWNED_KEY,
          })}
        </>
      </Box>
    </div>
  );
}

CollectiblesItems.propTypes = {
  previouslyOwnedCollection: PropTypes.shape({
    collectibles: PropTypes.arrayOf(
      PropTypes.shape({
        address: PropTypes.string.isRequired,
        tokenId: PropTypes.string.isRequired,
        name: PropTypes.string,
        description: PropTypes.string,
        image: PropTypes.string,
        standard: PropTypes.string,
        imageThumbnail: PropTypes.string,
        imagePreview: PropTypes.string,
        creator: PropTypes.shape({
          address: PropTypes.string,
          config: PropTypes.string,
          profile_img_url: PropTypes.string,
        }),
      }),
    ),
    collectionName: PropTypes.string,
  }),
  collections: PropTypes.shape({
    collectibles: PropTypes.arrayOf(
      PropTypes.shape({
        address: PropTypes.string.isRequired,
        tokenId: PropTypes.string.isRequired,
        name: PropTypes.string,
        description: PropTypes.string,
        image: PropTypes.string,
        standard: PropTypes.string,
        imageThumbnail: PropTypes.string,
        imagePreview: PropTypes.string,
        creator: PropTypes.shape({
          address: PropTypes.string,
          config: PropTypes.string,
          profile_img_url: PropTypes.string,
        }),
      }),
    ),
    collectionImage: PropTypes.string,
    collectionName: PropTypes.string,
  }),
};