import { Draft, JSONError, JSONSchema } from '@squiz/json-schema-library';
import { CoreSchemaMetaSchema } from '../manifest/v1/v1';

export const customKeywordValidators: Record<
  string,
  (draft: Draft, schema: JSONSchema, value: unknown, pointer: string) => undefined | JSONError | JSONError[]
> = {
  'ui:metadata': (core, schema, value, pointer): JSONError[] | undefined => {
    const fieldValue = value as CoreSchemaMetaSchema;
    const uiMetadata = fieldValue['ui:metadata'];

    if (uiMetadata?.quickOption && fieldValue.type !== 'boolean') {
      if (!fieldValue.enum) {
        const error: JSONError = {
          name: 'uiMetadataError',
          code: 'uiMetadata-error',
          type: 'error',
          message: `ui:metadata property quickOption is only valid for boolean or enum based properties.`,
          data: { expected: 'enum', pointer: pointer, received: typeof value, value: value },
        };
        return [error];
      }
    }

    if (uiMetadata?.enumWidget) {
      if (!fieldValue.enum) {
        const error: JSONError = {
          name: 'uiMetadataError',
          code: 'uiMetadata-error',
          type: 'error',
          message: `ui:metadata property enumWidget is only valid for enum based properties.`,
          data: { expected: 'enum', pointer: pointer, received: typeof value, value: value },
        };
        return [error];
      }
    }

    if (uiMetadata?.collapsedByDefault) {
      if (fieldValue.type !== 'object') {
        const error: JSONError = {
          name: 'uiMetadataError',
          code: 'uiMetadata-error',
          type: 'error',
          message: `ui:metadata property collapsedByDefault is only valid for object properties.`,
          data: { expected: 'object', pointer: pointer, received: typeof value, value: value },
        };
        return [error];
      }
    }

    return undefined;
  },
};