import {z} from 'zod'

export type ProcessingState = 'processing' | 'validationFailed' | 'unresolved' | 'waitForMasterVariant' | 'imported' | 'rejected' | 'canceled' | 'partiallyImported';

export type GetApiProjectKeyImportContainersImportContainerKeyImportOperationsArgs = {limit?: number | undefined, offset?: number | undefined, sort?: Array<string> | undefined, resourceKey?: string | undefined, state?: ProcessingState | undefined, debug?: boolean | undefined};

export type GetApiProjectKeyImportContainersImportContainerKeyImportOperationsOptions = {baseUrl?: string | undefined, oauth20?: string | undefined, fetch?: typeof fetch | undefined};

export const processingState = z.enum(["processing", "validationFailed", "unresolved", "waitForMasterVariant", "imported", "rejected", "canceled", "partiallyImported"]);

export const errorObject = z.object({code: z.string(), message: z.string()});

export const referenceType = z.enum(["associate-role", "business-unit", "cart", "cart-discount", "category", "channel", "customer", "customer-group", "discount-code", "key-value-document", "order", "payment", "price", "product", "product-discount", "product-type", "product-variant", "variant", "shipping-method", "state", "store", "tax-category", "type"]);

export const unresolvedReferences = z.object({key: z.string(), typeId: referenceType});

export const importOperation = z.object({version: z.number().int(), importContainerKey: z.string(), resourceKey: z.string(), id: z.string(), state: processingState, resourceVersion: z.number().int().optional(), errors: z.array(errorObject).optional(), unresolvedReferences: z.array(unresolvedReferences).optional(), createdAt: z.string(), lastModifiedAt: z.string(), expiresAt: z.string()});

export const importOperationPagedResponse = z.object({limit: z.number().int(), offset: z.number().int(), count: z.number().int(), total: z.number().int(), results: z.array(importOperation)});

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
};

/**
 * Retrieves all ImportOperations within an [ImportContainer](ctp:import:type:ImportContainer).
 * 
 * GET /{projectKey}/import-containers/{importContainerKey}/import-operations
 */
export const getApiProjectKeyImportContainersImportContainerKeyImportOperations = async (args: GetApiProjectKeyImportContainersImportContainerKeyImportOperationsArgs, options?: GetApiProjectKeyImportContainersImportContainerKeyImportOperationsOptions) => {
const {baseUrl = "https://import.europe-west1.gcp.commercetools.com", fetch: fetchFn = fetch, oauth20} = options ?? {}

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

if (args.limit != null) query.append("limit", String(args.limit))
if (args.offset != null) query.append("offset", String(args.offset))
for (const item of args.sort ?? []) query.append("sort", String(item))
if (args.resourceKey != null) query.append("resourceKey", String(args.resourceKey))
if (args.state != null) query.append("state", String(args.state))
if (args.debug != null) query.append("debug", String(args.debug))
if (oauth20 !== undefined) headers.set('authorization', `Bearer ${oauth20}`)

const url = `${baseUrl.replace(/\/+$/, '')}/${encodeURIComponent(String(args.projectKey))}/import-containers/${encodeURIComponent(String(args.importContainerKey))}/import-operations${query.size > 0 ? `?${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(importOperationPagedResponse, await res.json())
};