import Box from '@material-ui/core/Box';
import Grid from '@material-ui/core/Grid';
import Paper from '@material-ui/core/Paper';
import {
  getTemplate,
  getUiOptions,
  ArrayFieldTemplateProps,
  ArrayFieldTemplateItemType,
  FormContextType,
  RJSFSchema,
  StrictRJSFSchema,
} from '@rjsf/utils';

/** The `ArrayFieldTemplate` component is the template used to render all items in an array.
 *
 * @param props - The `ArrayFieldTemplateItemType` props for the component
 */
export default function ArrayFieldTemplate<
  T = any,
  S extends StrictRJSFSchema = RJSFSchema,
  F extends FormContextType = any
>(props: ArrayFieldTemplateProps<T, S, F>) {
  const { canAdd, disabled, idSchema, uiSchema, items, onAddClick, readonly, registry, required, schema, title } =
    props;
  const uiOptions = getUiOptions(uiSchema);
  const ArrayFieldDescriptionTemplate = getTemplate<'ArrayFieldDescriptionTemplate', T, S, F>(
    'ArrayFieldDescriptionTemplate',
    registry,
    uiOptions
  );
  const ArrayFieldItemTemplate = getTemplate<'ArrayFieldItemTemplate', T, S, F>(
    'ArrayFieldItemTemplate',
    registry,
    uiOptions
  );
  const ArrayFieldTitleTemplate = getTemplate<'ArrayFieldTitleTemplate', T, S, F>(
    'ArrayFieldTitleTemplate',
    registry,
    uiOptions
  );
  // Button templates are not overridden in the uiSchema
  const {
    ButtonTemplates: { AddButton },
  } = registry.templates;
  return (
    <Paper elevation={2}>
      <Box p={2}>
        <ArrayFieldTitleTemplate
          idSchema={idSchema}
          title={uiOptions.title || title}
          schema={schema}
          uiSchema={uiSchema}
          required={required}
          registry={registry}
        />
        <ArrayFieldDescriptionTemplate
          idSchema={idSchema}
          description={uiOptions.description || schema.description}
          schema={schema}
          uiSchema={uiSchema}
          registry={registry}
        />
        {items &&
          items.map(({ key, ...itemProps }: ArrayFieldTemplateItemType<T, S, F>) => (
            <ArrayFieldItemTemplate key={key} {...itemProps} />
          ))}
        {canAdd && (
          <Grid container justifyContent='flex-end'>
            <Grid item={true}>
              <Box mt={2}>
                <AddButton
                  className='array-item-add'
                  onClick={onAddClick}
                  disabled={disabled || readonly}
                  uiSchema={uiSchema}
                  registry={registry}
                />
              </Box>
            </Grid>
          </Grid>
        )}
      </Box>
    </Paper>
  );
}