// frontend/src/utils/enumHelpers.ts
/**
 * Utilities for working with enums and translations
 */

import { useTranslation } from 'react-i18next';
import type { SelectOption } from '../components/ui/Select';
import {
  SupplierType,
  SupplierStatus,
  PaymentTerms,
  PurchaseOrderStatus,
  DeliveryStatus,
  QualityRating,
  DeliveryRating,
  InvoiceStatus
} from '../api/types/suppliers';

import {
  CustomerType,
  DeliveryMethod,
  PaymentTerms as OrderPaymentTerms,
  PaymentMethod,
  PaymentStatus,
  CustomerSegment,
  PriorityLevel,
  OrderType,
  OrderStatus,
  OrderSource,
  SalesChannel
} from '../api/types/orders';

import {
  ProductionStatusEnum,
  ProductionPriorityEnum,
  ProductionBatchStatus,
  QualityCheckStatus
} from '../api/types/production';

/**
 * 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 supplier enum utilities
 */
export function useSupplierEnums() {
  const { t } = useTranslation('suppliers');

  return {
    // Supplier Type
    getSupplierTypeOptions: (): SelectOption[] =>
      enumToSelectOptions(SupplierType, 'types', t, {
        includeDescription: true,
        descriptionKey: 'descriptions'
      }),

    getSupplierTypeLabel: (type: SupplierType): string => {
      if (!type) return t('common:status.undefined', 'Type not defined');
      return t(`types.${type}`, type);
    },

    // Supplier Status
    getSupplierStatusOptions: (): SelectOption[] =>
      enumToSelectOptions(SupplierStatus, 'status', t),

    getSupplierStatusLabel: (status: SupplierStatus): string => {
      if (!status) return t('common:status.undefined', 'Status not defined');
      return t(`status.${status}`, status);
    },

    // Payment Terms
    getPaymentTermsOptions: (): SelectOption[] =>
      enumToSelectOptions(PaymentTerms, 'payment_terms', t, {
        includeDescription: true,
        descriptionKey: 'descriptions'
      }),

    getPaymentTermsLabel: (terms: PaymentTerms): string => {
      if (!terms) return t('common:forms.no_terms', 'No terms defined');
      return t(`payment_terms.${terms}`, terms);
    },

    // Purchase Order Status
    getPurchaseOrderStatusOptions: (): SelectOption[] =>
      enumToSelectOptions(PurchaseOrderStatus, 'purchase_order_status', t),

    getPurchaseOrderStatusLabel: (status: PurchaseOrderStatus): string => {
      if (!status) return t('common:status.undefined', 'Status not defined');
      return t(`purchase_order_status.${status}`, status);
    },

    // Delivery Status
    getDeliveryStatusOptions: (): SelectOption[] =>
      enumToSelectOptions(DeliveryStatus, 'delivery_status', t),

    getDeliveryStatusLabel: (status: DeliveryStatus): string => {
      if (!status) return t('common:status.undefined', 'Status not defined');
      return t(`delivery_status.${status}`, status);
    },

    // Quality Rating
    getQualityRatingOptions: (): SelectOption[] =>
      enumToSelectOptions(QualityRating, 'quality_rating', t, {
        includeDescription: true,
        descriptionKey: 'descriptions'
      }),

    getQualityRatingLabel: (rating: QualityRating): string => {
      if (rating === undefined || rating === null) return t('common:status.no_rating', 'No rating');
      return t(`quality_rating.${rating}`, rating.toString());
    },

    // Delivery Rating
    getDeliveryRatingOptions: (): SelectOption[] =>
      enumToSelectOptions(DeliveryRating, 'delivery_rating', t, {
        includeDescription: true,
        descriptionKey: 'descriptions'
      }),

    getDeliveryRatingLabel: (rating: DeliveryRating): string => {
      if (rating === undefined || rating === null) return t('common:status.no_rating', 'No rating');
      return t(`delivery_rating.${rating}`, rating.toString());
    },

    // Invoice Status
    getInvoiceStatusOptions: (): SelectOption[] =>
      enumToSelectOptions(InvoiceStatus, 'invoice_status', t),

    getInvoiceStatusLabel: (status: InvoiceStatus): string => {
      if (!status) return t('common:status.undefined', 'Status not defined');
      return t(`invoice_status.${status}`, status);
    },

    // 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);
}

/**
 * Hook for orders enum utilities
 */
export function useOrderEnums() {
  const { t } = useTranslation('orders');

  return {
    // Customer Type
    getCustomerTypeOptions: (): SelectOption[] =>
      enumToSelectOptions(CustomerType, 'customer_types', t),

    getCustomerTypeLabel: (type: CustomerType): string => {
      if (!type) return t('common:status.undefined', 'Type not defined');
      return t(`customer_types.${type}`, type.charAt(0).toUpperCase() + type.slice(1));
    },

    // Delivery Method
    getDeliveryMethodOptions: (): SelectOption[] =>
      enumToSelectOptions(DeliveryMethod, 'delivery_methods', t),

    getDeliveryMethodLabel: (method: DeliveryMethod): string => {
      if (!method) return t('common:status.undefined', 'Method not defined');
      return t(`delivery_methods.${method}`, method.charAt(0).toUpperCase() + method.slice(1));
    },

    // Payment Terms
    getPaymentTermsOptions: (): SelectOption[] =>
      enumToSelectOptions(OrderPaymentTerms, 'payment_terms', t),

    getPaymentTermsLabel: (terms: OrderPaymentTerms): string => {
      if (!terms) return t('common:forms.no_terms', 'Terms not defined');
      return t(`payment_terms.${terms}`, terms);
    },

    // Payment Method
    getPaymentMethodOptions: (): SelectOption[] =>
      enumToSelectOptions(PaymentMethod, 'payment_methods', t),

    getPaymentMethodLabel: (method: PaymentMethod): string => {
      if (!method) return t('common:status.undefined', 'Method not defined');
      return t(`payment_methods.${method}`, method);
    },

    // Payment Status
    getPaymentStatusOptions: (): SelectOption[] =>
      enumToSelectOptions(PaymentStatus, 'payment_status', t),

    getPaymentStatusLabel: (status: PaymentStatus): string => {
      if (!status) return t('common:status.undefined', 'Status not defined');
      return t(`payment_status.${status}`, status);
    },

    // Customer Segment
    getCustomerSegmentOptions: (): SelectOption[] =>
      enumToSelectOptions(CustomerSegment, 'customer_segments', t),

    getCustomerSegmentLabel: (segment: CustomerSegment): string => {
      if (!segment) return t('common:status.undefined', 'Segment not defined');
      return t(`customer_segments.${segment}`, segment);
    },

    // Priority Level
    getPriorityLevelOptions: (): SelectOption[] =>
      enumToSelectOptions(PriorityLevel, 'priority_levels', t),

    getPriorityLevelLabel: (level: PriorityLevel): string => {
      if (!level) return t('common:priority.undefined', 'Priority not defined');
      return t(`priority_levels.${level}`, level);
    },

    // Order Type
    getOrderTypeOptions: (): SelectOption[] =>
      enumToSelectOptions(OrderType, 'order_types', t),

    getOrderTypeLabel: (type: OrderType): string => {
      if (!type) return t('common:status.undefined', 'Type not defined');
      return t(`order_types.${type}`, type.charAt(0).toUpperCase() + type.slice(1));
    },

    // Order Status
    getOrderStatusOptions: (): SelectOption[] =>
      enumToSelectOptions(OrderStatus, 'order_status', t),

    getOrderStatusLabel: (status: OrderStatus): string => {
      if (!status) return t('common:status.undefined', 'Status not defined');
      return t(`order_status.${status}`, status);
    },

    // Order Source
    getOrderSourceOptions: (): SelectOption[] =>
      enumToSelectOptions(OrderSource, 'order_sources', t),

    getOrderSourceLabel: (source: OrderSource): string => {
      if (!source) return t('common:status.undefined', 'Source not defined');
      return t(`order_sources.${source}`, source);
    },

    // Sales Channel
    getSalesChannelOptions: (): SelectOption[] =>
      enumToSelectOptions(SalesChannel, 'sales_channels', t),

    getSalesChannelLabel: (channel: SalesChannel): string => {
      if (!channel) return t('common:status.undefined', 'Channel not defined');
      return t(`sales_channels.${channel}`, channel);
    },

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

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

/**
 * Hook for production enum utilities
 */
export function useProductionEnums() {
  const { t } = useTranslation('production');

  return {
    // Production Status
    getProductionStatusOptions: (): SelectOption[] =>
      enumToSelectOptions(ProductionStatusEnum, 'production_status', t),

    getProductionStatusLabel: (status: ProductionStatusEnum): string => {
      if (!status) return t('common:status.undefined', 'Status not defined');
      return t(`production_status.${status}`, status);
    },

    // Production Priority
    getProductionPriorityOptions: (): SelectOption[] =>
      enumToSelectOptions(ProductionPriorityEnum, 'production_priority', t),

    getProductionPriorityLabel: (priority: ProductionPriorityEnum): string => {
      if (!priority) return t('common:priority.undefined', 'Priority not defined');
      return t(`production_priority.${priority}`, priority);
    },

    // Production Batch Status
    getProductionBatchStatusOptions: (): SelectOption[] =>
      enumToSelectOptions(ProductionBatchStatus, 'batch_status', t),

    getProductionBatchStatusLabel: (status: ProductionBatchStatus): string => {
      if (!status) return t('common:status.undefined', 'Status not defined');
      return t(`batch_status.${status}`, status);
    },

    // Quality Check Status
    getQualityCheckStatusOptions: (): SelectOption[] =>
      enumToSelectOptions(QualityCheckStatus, 'quality_check_status', t),

    getQualityCheckStatusLabel: (status: QualityCheckStatus): string => {
      if (!status) return t('common:status.undefined', 'Status not defined');
      return t(`quality_check_status.${status}`, status);
    },

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

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