import { useMutation } from '@apollo/client';
import LoadingButton from '@mui/lab/LoadingButton';
import Grid from '@mui/material/Grid';
import Skeleton from '@mui/material/Skeleton';
import Stack from '@mui/material/Stack';
import merge from 'lodash/merge';
import * as React from 'react';
import { useQueryClient } from '@tanstack/react-query';

import ColorInput from 'components/ColorInput';
import Container from 'components/Container';
import Form from 'components/Form';
import PageTitle from 'components/PageTitle';
import TextField from 'components/TextField';
import { UPDATE_CONFIG } from 'graphql/mutations/update-config.ee';
import nestObject from 'helpers/nestObject';
import useAutomatischConfig from 'hooks/useAutomatischConfig';
import useFormatMessage from 'hooks/useFormatMessage';
import useEnqueueSnackbar from 'hooks/useEnqueueSnackbar';
import {
  primaryDarkColor,
  primaryLightColor,
  primaryMainColor,
} from 'styles/theme';

const getPrimaryMainColor = (color) => color || primaryMainColor;
const getPrimaryDarkColor = (color) => color || primaryDarkColor;
const getPrimaryLightColor = (color) => color || primaryLightColor;

const defaultValues = {
  title: 'Automatisch',
  'palette.primary.main': primaryMainColor,
  'palette.primary.dark': primaryDarkColor,
  'palette.primary.light': primaryLightColor,
};

export default function UserInterface() {
  const formatMessage = useFormatMessage();
  const [updateConfig, { loading }] = useMutation(UPDATE_CONFIG);
  const { data: configData, isLoading: configLoading } = useAutomatischConfig();
  const config = configData?.data;
  const queryClient = useQueryClient();

  const enqueueSnackbar = useEnqueueSnackbar();
  const configWithDefaults = merge({}, defaultValues, nestObject(config));
  const handleUserInterfaceUpdate = async (uiData) => {
    try {
      const input = {
        title: uiData?.title,
        'palette.primary.main': getPrimaryMainColor(
          uiData?.palette?.primary.main,
        ),
        'palette.primary.dark': getPrimaryDarkColor(
          uiData?.palette?.primary.dark,
        ),
        'palette.primary.light': getPrimaryLightColor(
          uiData?.palette?.primary.light,
        ),
        'logo.svgData': uiData?.logo?.svgData,
      };
      await updateConfig({
        variables: {
          input,
        },
        optimisticResponse: {
          updateConfig: input,
        },
        update: async function () {
          queryClient.invalidateQueries({
            queryKey: ['automatisch', 'config'],
          });
        },
      });
      enqueueSnackbar(formatMessage('userInterfacePage.successfullyUpdated'), {
        variant: 'success',
        SnackbarProps: {
          'data-test': 'snackbar-update-user-interface-success',
        },
      });
    } catch (error) {
      throw new Error('Failed while updating!');
    }
  };
  return (
    <Container sx={{ py: 3, display: 'flex', justifyContent: 'center' }}>
      <Grid container item xs={12} sm={10} md={9}>
        <Grid item xs={12} sx={{ mb: [2, 5] }}>
          <PageTitle>{formatMessage('userInterfacePage.title')}</PageTitle>
        </Grid>

        <Grid item xs={12} justifyContent="flex-end" sx={{ pt: 5 }}>
          {configLoading && (
            <Stack direction="column" gap={2}>
              <Skeleton variant="rounded" height={55} />
              <Skeleton variant="rounded" height={55} />
              <Skeleton variant="rounded" height={55} />
              <Skeleton variant="rounded" height={85} />
              <Skeleton variant="rounded" height={45} />
            </Stack>
          )}
          {!configLoading && (
            <Form
              onSubmit={handleUserInterfaceUpdate}
              defaultValues={configWithDefaults}
            >
              <Stack direction="column" gap={2}>
                <TextField
                  name="title"
                  label={formatMessage('userInterfacePage.titleFieldLabel')}
                  fullWidth
                />

                <ColorInput
                  name="palette.primary.main"
                  label={formatMessage(
                    'userInterfacePage.primaryMainColorFieldLabel',
                  )}
                  fullWidth
                  data-test="primary-main-color-input"
                />

                <ColorInput
                  name="palette.primary.dark"
                  label={formatMessage(
                    'userInterfacePage.primaryDarkColorFieldLabel',
                  )}
                  fullWidth
                  data-test="primary-dark-color-input"
                />

                <ColorInput
                  name="palette.primary.light"
                  label={formatMessage(
                    'userInterfacePage.primaryLightColorFieldLabel',
                  )}
                  fullWidth
                  data-test="primary-light-color-input"
                />

                <TextField
                  name="logo.svgData"
                  label={formatMessage('userInterfacePage.svgDataFieldLabel')}
                  multiline
                  fullWidth
                  data-test="logo-svg-data-text-field"
                />

                <LoadingButton
                  type="submit"
                  variant="contained"
                  color="primary"
                  sx={{ boxShadow: 2 }}
                  loading={loading}
                  data-test="update-button"
                >
                  {formatMessage('userInterfacePage.submit')}
                </LoadingButton>
              </Stack>
            </Form>
          )}
        </Grid>
      </Grid>
    </Container>
  );
}