import { apiRequest } from './api';

export interface InventoryFunction {
  id: string;
  code: string;
  name: string;
  description: string | null;
  isActive: boolean;
  sortOrder: number;
  createdAt: string;
  updatedAt: string;
}

export interface InventoryFunctionAssignment {
  id: string;
  assetId: string;
  functionId: string;
  functionCode: string;
  functionName: string;
  validFrom: string;
  validUntil: string | null;
  reason: string | null;
  changedBy: string | null;
  changedByUsername: string | null;
  createdAt: string;
}

export interface InventoryFunctionHistory {
  asset: {
    id: string;
    code: string;
    name: string;
    typeCode: string;
    typeName: string;
    familyCode: string | null;
    familyName: string | null;
  };
  currentFunction: InventoryFunctionAssignment | null;
  history: InventoryFunctionAssignment[];
}

export async function listInventoryFunctions(includeInactive = false) {
  const query = includeInactive ? '?includeInactive=true' : '';
  return (await apiRequest<{ data: InventoryFunction[] }>(`/inventory-functions${query}`)).data;
}

export function getInventoryFunctionHistory(assetId: string) {
  return apiRequest<InventoryFunctionHistory>(`/assets/${assetId}/function-history`);
}

export function changeInventoryFunction(
  assetId: string,
  input: { functionId: string | null; effectiveAt?: string; reason?: string | null },
) {
  return apiRequest<InventoryFunctionHistory>(`/assets/${assetId}/function`, {
    method: 'POST',
    body: JSON.stringify(input),
  });
}

export function createInventoryFunction(input: {
  code: string;
  name: string;
  description?: string | null;
  sortOrder?: number;
}) {
  return apiRequest<InventoryFunction>('/inventory-functions', {
    method: 'POST',
    body: JSON.stringify(input),
  });
}

export function updateInventoryFunction(
  id: string,
  input: {
    name?: string;
    description?: string | null;
    isActive?: boolean;
    sortOrder?: number;
  },
) {
  return apiRequest<InventoryFunction>(`/inventory-functions/${id}`, {
    method: 'PATCH',
    body: JSON.stringify(input),
  });
}