import Button from "@material-ui/core/Button";
import CircularProgress from "@material-ui/core/CircularProgress";
import Dialog from "@material-ui/core/Dialog";
import DialogActions from "@material-ui/core/DialogActions";
import DialogContent from "@material-ui/core/DialogContent";
import DialogTitle from "@material-ui/core/DialogTitle";
import { makeStyles } from "@material-ui/core/styles";
import TableBody from "@material-ui/core/TableBody";
import TableCell from "@material-ui/core/TableCell";
import TableRow from "@material-ui/core/TableRow";
import TextField from "@material-ui/core/TextField";
import ResponsiveTable from "@saleor/components/ResponsiveTable";
import useSearchQuery from "@saleor/hooks/useSearchQuery";
import { buttonMessages } from "@saleor/intl";
import useScrollableDialogStyle from "@saleor/styles/useScrollableDialogStyle";
import { FetchMoreProps, Node } from "@saleor/types";
import React from "react";
import InfiniteScroll from "react-infinite-scroller";
import { FormattedMessage } from "react-intl";

import Checkbox from "../Checkbox";
import ConfirmButton, {
  ConfirmButtonTransitionState
} from "../ConfirmButton/ConfirmButton";
import FormSpacer from "../FormSpacer";

export interface FormData {
  containers: string[];
  query: string;
}

const useStyles = makeStyles(
  {
    avatar: {
      "&:first-child": {
        paddingLeft: 0
      }
    },
    checkboxCell: {
      paddingLeft: 0
    },
    wideCell: {
      width: "100%"
    }
  },
  { name: "AssignContainerDialog" }
);

interface Container extends Node {
  name: string;
}
export interface AssignContainerDialogProps extends FetchMoreProps {
  confirmButtonState: ConfirmButtonTransitionState;
  containers: Container[];
  loading: boolean;
  open: boolean;
  search: Record<"label" | "placeholder", string>;
  title: string;
  onClose: () => void;
  onFetch: (value: string) => void;
  onSubmit: (data: string[]) => void;
}

function handleContainerAssign(
  containerId: string,
  isSelected: boolean,
  selectedContainers: string[],
  setSelectedContainers: (data: string[]) => void
) {
  if (isSelected) {
    setSelectedContainers(
      selectedContainers.filter(
        selectedContainer => selectedContainer !== containerId
      )
    );
  } else {
    setSelectedContainers([...selectedContainers, containerId]);
  }
}

const AssignContainerDialog: React.FC<AssignContainerDialogProps> = props => {
  const {
    confirmButtonState,
    containers,
    hasMore,
    loading,
    open,
    search,
    title,
    onClose,
    onFetch,
    onFetchMore,
    onSubmit
  } = props;
  const classes = useStyles(props);
  const scrollableDialogClasses = useScrollableDialogStyle({});

  const [query, onQueryChange] = useSearchQuery(onFetch);
  const [selectedContainers, setSelectedContainers] = React.useState<string[]>(
    []
  );
  const container = React.useRef<HTMLDivElement>();

  const handleSubmit = () => onSubmit(selectedContainers);

  const containerHeight = container.current?.scrollHeight - 130;

  return (
    <Dialog
      onClose={onClose}
      open={open}
      classes={{ paper: scrollableDialogClasses.dialog }}
      fullWidth
      maxWidth="sm"
    >
      <DialogTitle>{title}</DialogTitle>
      <DialogContent
        className={scrollableDialogClasses.content}
        ref={container}
      >
        <TextField
          name="query"
          value={query}
          onChange={onQueryChange}
          label={search.label}
          placeholder={search.placeholder}
          fullWidth
          InputProps={{
            autoComplete: "off",
            endAdornment: loading && <CircularProgress size={16} />
          }}
        />
        <FormSpacer />
        <div
          className={scrollableDialogClasses.scrollArea}
          style={{ height: containerHeight }}
        >
          <InfiniteScroll
            pageStart={0}
            loadMore={onFetchMore}
            hasMore={hasMore}
            useWindow={false}
            loader={
              <div className={scrollableDialogClasses.loadMoreLoaderContainer}>
                <CircularProgress size={16} />
              </div>
            }
            threshold={10}
          >
            <ResponsiveTable>
              <TableBody>
                {containers?.map(container => {
                  const isSelected = !!selectedContainers.find(
                    selectedContainer => selectedContainer === container.id
                  );

                  return (
                    <TableRow key={container.id}>
                      <TableCell
                        padding="checkbox"
                        className={classes.checkboxCell}
                      >
                        <Checkbox
                          checked={isSelected}
                          onChange={() =>
                            handleContainerAssign(
                              container.id,
                              isSelected,
                              selectedContainers,
                              setSelectedContainers
                            )
                          }
                        />
                      </TableCell>
                      <TableCell className={classes.wideCell}>
                        {container.name}
                      </TableCell>
                    </TableRow>
                  );
                })}
              </TableBody>
            </ResponsiveTable>
          </InfiniteScroll>
        </div>
      </DialogContent>
      <DialogActions>
        <Button onClick={onClose}>
          <FormattedMessage {...buttonMessages.back} />
        </Button>
        <ConfirmButton
          transitionState={confirmButtonState}
          color="primary"
          variant="contained"
          type="submit"
          onClick={handleSubmit}
        >
          <FormattedMessage defaultMessage="Assign" description="button" />
        </ConfirmButton>
      </DialogActions>
    </Dialog>
  );
};
AssignContainerDialog.displayName = "AssignContainerDialog";
export default AssignContainerDialog;