import { useChannelsList } from "@saleor/channels/queries";
import { createCollectionChannels } from "@saleor/channels/utils";
import ChannelsAvailabilityDialog from "@saleor/components/ChannelsAvailabilityDialog";
import { WindowTitle } from "@saleor/components/WindowTitle";
import useChannels from "@saleor/hooks/useChannels";
import useNavigator from "@saleor/hooks/useNavigator";
import useNotifier from "@saleor/hooks/useNotifier";
import { commonMessages } from "@saleor/intl";
import createMetadataCreateHandler from "@saleor/utils/handlers/metadataCreateHandler";
import {
  useMetadataUpdate,
  usePrivateMetadataUpdate
} from "@saleor/utils/metadata/updateMetadata";
import React from "react";
import { useIntl } from "react-intl";

import { CollectionCreateInput } from "../../types/globalTypes";
import CollectionCreatePage from "../components/CollectionCreatePage/CollectionCreatePage";
import { CollectionCreateData } from "../components/CollectionCreatePage/form";
import {
  useCollectionChannelListingUpdate,
  useCollectionCreateMutation
} from "../mutations";
import { collectionListUrl, collectionUrl } from "../urls";

export const CollectionCreate: React.FC = () => {
  const navigate = useNavigator();
  const notify = useNotifier();
  const intl = useIntl();
  const [updateMetadata] = useMetadataUpdate({});
  const [updatePrivateMetadata] = usePrivateMetadataUpdate({});

  const [
    updateChannels,
    updateChannelsOpts
  ] = useCollectionChannelListingUpdate({});
  const { data: channelsData } = useChannelsList({});

  const allChannels = createCollectionChannels(
    channelsData?.channels
  )?.sort((channel, nextChannel) =>
    channel.name.localeCompare(nextChannel.name)
  );

  const {
    channelListElements,
    channelsToggle,
    currentChannels,
    handleChannelsConfirm,
    handleChannelsModalClose,
    handleChannelsModalOpen,
    isChannelSelected,
    isChannelsModalOpen,
    setCurrentChannels,
    toggleAllChannels
  } = useChannels(allChannels);

  const [createCollection, createCollectionOpts] = useCollectionCreateMutation({
    onCompleted: data => {
      if (data.collectionCreate.errors.length === 0) {
        notify({
          status: "success",
          text: intl.formatMessage(commonMessages.savedChanges)
        });
        navigate(collectionUrl(data.collectionCreate.collection.id));
      } else {
        const backgroundImageError = data.collectionCreate.errors.find(
          error =>
            error.field === ("backgroundImage" as keyof CollectionCreateInput)
        );
        if (backgroundImageError) {
          notify({
            status: "error",
            text: intl.formatMessage(commonMessages.somethingWentWrong)
          });
        }
      }
    }
  });

  const handleCreate = async (formData: CollectionCreateData) => {
    const result = await createCollection({
      variables: {
        input: {
          backgroundImage: formData.backgroundImage.value,
          backgroundImageAlt: formData.backgroundImageAlt,
          descriptionJson: JSON.stringify(formData.description),
          name: formData.name,
          seo: {
            description: formData.seoDescription,
            title: formData.seoTitle
          }
        }
      }
    });

    const id = result.data?.collectionCreate.collection?.id || null;
    if (id) {
      updateChannels({
        variables: {
          id,
          input: {
            addChannels: formData.channelListings.map(channel => ({
              channelId: channel.id,
              isPublished: channel.isPublished,
              publicationDate: channel.publicationDate
            })),
            removeChannels: []
          }
        }
      });
    }

    return id;
  };

  const handleSubmit = createMetadataCreateHandler(
    handleCreate,
    updateMetadata,
    updatePrivateMetadata
  );

  return (
    <>
      <WindowTitle
        title={intl.formatMessage({
          defaultMessage: "Create collection",
          description: "window title"
        })}
      />
      {!!allChannels?.length && (
        <ChannelsAvailabilityDialog
          isSelected={isChannelSelected}
          disabled={!channelListElements.length}
          channels={allChannels}
          onChange={channelsToggle}
          onClose={handleChannelsModalClose}
          open={isChannelsModalOpen}
          title={intl.formatMessage({
            defaultMessage: "Manage Collection Channel Availability"
          })}
          confirmButtonState="default"
          selected={channelListElements.length}
          onConfirm={handleChannelsConfirm}
          toggleAll={toggleAllChannels}
        />
      )}
      <CollectionCreatePage
        errors={createCollectionOpts.data?.collectionCreate.errors || []}
        channelsErrors={
          updateChannelsOpts?.data?.collectionChannelListingUpdate.errors || []
        }
        currentChannels={currentChannels}
        channelsCount={channelsData?.channels?.length}
        openChannelsModal={handleChannelsModalOpen}
        onChannelsChange={setCurrentChannels}
        onBack={() => navigate(collectionListUrl())}
        disabled={createCollectionOpts.loading || updateChannelsOpts.loading}
        onSubmit={handleSubmit}
        saveButtonBarState={createCollectionOpts.status}
      />
    </>
  );
};
export default CollectionCreate;