// frontend/src/utils/foodSafetyEnumHelpers.ts
/**
 * Utilities for working with food safety enums and translations
 */

import { useTranslation } from 'react-i18next';
import type { SelectOption } from '../components/ui/Select';
import {
  FoodSafetyStandard,
  ComplianceStatus,
  FoodSafetyAlertType,
  type EnumOption
} from '../api/types/foodSafety';

/**
 * Generic function to convert enum to select options with i18n translations
 */
export function enumToSelectOptions<T extends Record<string, string | number>>(
  enumObject: T,
  translationKey: string,
  t: (key: string) => string,
  options?: {
    includeDescription?: boolean;
    descriptionKey?: string;
    sortAlphabetically?: boolean;
  }
): SelectOption[] {
  const selectOptions = Object.entries(enumObject).map(([, value]) => ({
    value,
    label: t(`${translationKey}.${value}`),
    ...(options?.includeDescription && options?.descriptionKey && {
      description: t(`${options.descriptionKey}.${value}`)
    })
  }));

  if (options?.sortAlphabetically) {
    selectOptions.sort((a, b) => a.label.localeCompare(b.label));
  }

  return selectOptions;
}

/**
 * Hook for food safety enum utilities
 */
export function useFoodSafetyEnums() {
  const { t } = useTranslation('foodSafety');

  return {
    // Food Safety Standard
    getFoodSafetyStandardOptions: (): SelectOption[] =>
      enumToSelectOptions(FoodSafetyStandard, 'enums.food_safety_standard', t, {
        includeDescription: true,
        descriptionKey: 'descriptions',
        sortAlphabetically: true
      }),

    getFoodSafetyStandardLabel: (standard: FoodSafetyStandard): string =>
      t(`enums.food_safety_standard.${standard}`),

    // Compliance Status
    getComplianceStatusOptions: (): SelectOption[] =>
      enumToSelectOptions(ComplianceStatus, 'enums.compliance_status', t, {
        includeDescription: true,
        descriptionKey: 'descriptions'
      }),

    getComplianceStatusLabel: (status: ComplianceStatus): string =>
      t(`enums.compliance_status.${status}`),

    // Food Safety Alert Type
    getFoodSafetyAlertTypeOptions: (): SelectOption[] =>
      enumToSelectOptions(FoodSafetyAlertType, 'enums.food_safety_alert_type', t, {
        includeDescription: true,
        descriptionKey: 'descriptions',
        sortAlphabetically: true
      }),

    getFoodSafetyAlertTypeLabel: (type: FoodSafetyAlertType): string =>
      t(`enums.food_safety_alert_type.${type}`),

    // Field Labels
    getFieldLabel: (field: string): string =>
      t(`labels.${field}`),

    getFieldDescription: (field: string): string =>
      t(`descriptions.${field}`)
  };
}

/**
 * Utility to get enum value from select option value
 */
export function getEnumFromValue<T>(
  enumObject: Record<string, T>,
  value: string | number
): T | undefined {
  return Object.values(enumObject).find(enumValue => enumValue === value);
}

/**
 * Utility to validate enum value
 */
export function isValidEnumValue<T>(
  enumObject: Record<string, T>,
  value: unknown
): value is T {
  return Object.values(enumObject).includes(value as T);
}