/*
 * Copyright 2025 Commonwealth Scientific and Industrial Research
 * Organisation (CSIRO) ABN 41 687 119 230.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

import ErrorOutlineIcon from '@mui/icons-material/ErrorOutline';
import Typography from '@mui/material/Typography';
import type { QuestionnaireItem, QuestionnaireItemAnswerOption } from 'fhir/r4';
import type { TerminologyError } from '../../../hooks/useValueSetCodings';
import { StyledAlert } from '../../Alert.styles';
import RadioFormGroup from '../ItemParts/RadioFormGroup';
import { useRendererConfigStore } from '../../../stores';
import { interpolate } from '../../../i18n';

interface ChoiceRadioAnswerValueSetFieldsProps {
  qItem: QuestionnaireItem;
  options: QuestionnaireItemAnswerOption[];
  valueRadio: string | null;
  feedback: string;
  feedbackSeverity?: 'error' | 'warning';
  readOnly: boolean;
  expressionUpdated: boolean;
  answerOptionsToggleExpressionsMap: Map<string, boolean>;
  terminologyError: TerminologyError;
  isTabled: boolean;
  instructionsId?: string;
  onCheckedChange: (newValue: string) => void;
  onClear: () => void;
}

function ChoiceRadioAnswerValueSetFields(props: ChoiceRadioAnswerValueSetFieldsProps) {
  const {
    qItem,
    options,
    valueRadio,
    feedback,
    feedbackSeverity,
    readOnly,
    expressionUpdated,
    answerOptionsToggleExpressionsMap,
    terminologyError,
    isTabled,
    instructionsId,
    onCheckedChange,
    onClear
  } = props;

  const rendererStrings = useRendererConfigStore.use.rendererStrings();

  if (options.length > 0) {
    return (
      <RadioFormGroup
        qItem={qItem}
        options={options}
        valueRadio={valueRadio}
        feedback={feedback}
        feedbackSeverity={feedbackSeverity}
        readOnly={readOnly}
        expressionUpdated={expressionUpdated}
        answerOptionsToggleExpressionsMap={answerOptionsToggleExpressionsMap}
        isTabled={isTabled}
        instructionsId={instructionsId}
        onCheckedChange={onCheckedChange}
        onClear={onClear}
      />
    );
  }

  if (terminologyError.error) {
    return (
      <StyledAlert color="error">
        <ErrorOutlineIcon color="error" sx={{ pr: 0.75 }} />
        <Typography component="div">
          {interpolate(rendererStrings.terminologyServerFetchError, {
            valueSet: `${terminologyError.answerValueSet}`
          })}
        </Typography>
      </StyledAlert>
    );
  }

  if (options.length === 0) {
    return (
      <Typography sx={{ py: 0.5 }} fontWeight={600} fontSize={13}>
        {rendererStrings.optionsUnavailable}
      </Typography>
    );
  }

  return (
    <StyledAlert color="error">
      <ErrorOutlineIcon color="error" sx={{ pr: 0.75 }} />
      <Typography component="div">{rendererStrings.optionsFetchError}</Typography>
    </StyledAlert>
  );
}

export default ChoiceRadioAnswerValueSetFields;