import {z} from 'zod'

export type GetApiInventoryArgs = {status?: string | undefined, category?: string | undefined, vendorId?: string | undefined, hasDeaBook?: boolean | undefined, search?: string | undefined, drugForm?: string | undefined, rxRequired?: boolean | undefined};

export type GetApiInventoryOptions = {baseUrl?: string | undefined, Bearer?: string | undefined, fetch?: typeof fetch | undefined};

export const vendorSummaryDto = z.object({id: z.string().optional(), name: z.string().optional(), code: z.string().nullable().optional()});

export const dEABookSummaryDto = z.object({id: z.string().optional(), drugName: z.string().optional(), deaSchedule: z.string().nullable().optional()});

export const inventoryItemDto = z.object({id: z.string().optional(), name: z.string().optional(), invoiceName: z.string().nullable().optional(), sku: z.string().nullable().optional(), barcode: z.string().nullable().optional(), description: z.string().nullable().optional(), defaultSig: z.string().nullable().optional(), compoundFormula: z.string().nullable().optional(), category: z.string().optional(), vaccineTypeId: z.string().nullable().optional(), status: z.string().optional(), vendorId: z.string().nullable().optional(), vendor: vendorSummaryDto.nullable().optional(), vendorItemNumber: z.string().nullable().optional(), drugForm: z.string().nullable().optional(), unitOfMeasure: z.string().nullable().optional(), strength: z.string().nullable().optional(), ndc: z.string().nullable().optional(), isCompounded: z.boolean().optional(), rxRequired: z.boolean().optional(), allowedSpeciesIds: z.array(z.string()).nullable().optional(), vcprRequiredDays: z.union([z.number().int(), z.string()]).nullable().optional(), maxDispenseQuantity: z.union([z.number(), z.string()]).nullable().optional(), weightBandMin: z.union([z.number(), z.string()]).nullable().optional(), weightBandMax: z.union([z.number(), z.string()]).nullable().optional(), weightBandUnit: z.string().nullable().optional(), weightBandMinKg: z.union([z.number(), z.string()]).nullable().optional(), weightBandMaxKg: z.union([z.number(), z.string()]).nullable().optional(), deaBookId: z.string().nullable().optional(), deaBook: dEABookSummaryDto.nullable().optional(), deaSchedule: z.string().nullable().optional(), controlledSubstanceSchedule: z.union([z.number().int(), z.string()]).nullable().optional(), requiresWitness: z.boolean().optional(), distributionCategory: z.string().nullable().optional(), cascadeEligible: z.boolean().optional(), isAntimicrobial: z.boolean().optional(), antimicrobialType: z.string().nullable().optional(), requiresUnderCare: z.boolean().optional(), requiresPhysicalExam: z.boolean().optional(), foodProducing: z.boolean().optional(), requiresWithdrawalPeriod: z.boolean().optional(), unitCost: z.union([z.number(), z.string()]).nullable().optional(), unitPrice: z.union([z.number(), z.string()]).nullable().optional(), pricePolicy: z.string().optional(), isFlatRate: z.boolean().optional(), markupPercent: z.union([z.number(), z.string()]).nullable().optional(), mapPrice: z.union([z.number(), z.string()]).nullable().optional(), dispenseFee: z.union([z.number(), z.string()]).nullable().optional(), unitsPerContainer: z.union([z.number(), z.string()]).nullable().optional(), sellingPrice: z.union([z.number(), z.string()]).nullable().optional(), isTaxable: z.boolean().optional(), vatCategory: z.string().nullable().optional(), trackLots: z.boolean().optional(), storageRequirements: z.union([z.number().int(), z.string()]).optional(), minQuantity: z.union([z.number(), z.string()]).nullable().optional(), parQuantity: z.union([z.number(), z.string()]).nullable().optional(), maxQuantity: z.union([z.number(), z.string()]).nullable().optional(), reorderPoint: z.union([z.number(), z.string()]).nullable().optional(), totalOnHand: z.union([z.number(), z.string()]).optional(), activeLotCount: z.union([z.number().int(), z.string()]).optional(), earliestExpiration: z.string().nullable().optional(), createdAt: z.string().optional(), updatedAt: z.string().optional()});

export const inventoryItemListResponseDto = z.object({data: z.array(inventoryItemDto).optional(), totalCount: z.union([z.number().int(), z.string()]).optional()});

export const validateResponse = async <Output>(
  schema: {
    readonly '~standard': {
      readonly validate: (value: unknown) => ({ readonly value: Output; readonly issues?: undefined } | { readonly issues: ReadonlyArray<{ readonly message: string; readonly path?: ReadonlyArray<PropertyKey | { readonly key: PropertyKey }> | undefined }> }) | Promise<{ readonly value: Output; readonly issues?: undefined } | { readonly issues: ReadonlyArray<{ readonly message: string; readonly path?: ReadonlyArray<PropertyKey | { readonly key: PropertyKey }> | undefined }> }>
    }
  },
  value: unknown
): Promise<Output> => {
  const result = await schema['~standard'].validate(value)

  if (result.issues !== undefined) {
    const detail = result.issues
      .map(({ message, path }) =>
        path?.length
          ? `${path.map((segment) => String(typeof segment === 'object' ? segment.key : segment)).join('.')}: ${message}`
          : message
      )
      .join('; ')

    throw new Error(`Response does not match the schema: ${detail}`, { cause: { issues: result.issues } })
  }

  return result.value
};

/**
 * Get inventory items with optional filters
 * 
 * GET /Inventory
 */
export const getApiInventory = async (args: GetApiInventoryArgs, options?: GetApiInventoryOptions) => {
const {baseUrl = "https://api.clinicos.vet/backend/business", fetch: fetchFn = fetch, Bearer} = options ?? {}

const query = new URLSearchParams()
const headers = new Headers()
headers.set('accept', "application/json")

if (args.status != null) query.append("status", String(args.status))
if (args.category != null) query.append("category", String(args.category))
if (args.vendorId != null) query.append("vendorId", String(args.vendorId))
if (args.hasDeaBook != null) query.append("hasDeaBook", String(args.hasDeaBook))
if (args.search != null) query.append("search", String(args.search))
if (args.drugForm != null) query.append("drugForm", String(args.drugForm))
if (args.rxRequired != null) query.append("rxRequired", String(args.rxRequired))
if (Bearer !== undefined) headers.set('authorization', `Bearer ${Bearer}`)

const url = `${baseUrl.replace(/\/+$/, '')}/Inventory${query.size > 0 ? `?${query}` : ''}`

const res = await fetchFn(url, {method: "GET", headers})

if (!res.ok) throw new Error(`Request failed with status ${res.status}`, {cause: {status: res.status, body: await res.text()}})

return validateResponse(inventoryItemListResponseDto, await res.json())
};