import {z} from 'zod'

export type CartItemForUpdate = {id: number, quantity: number};

export type BulkModificationOperation = 'ADD' | 'CHANGE_QUANTITY' | 'DELETE' | 'SUBSTITUTE' | 'CREDIT_ONLY';

export type BulkModificationItem = {productId: number, quantity: number};

export type BulkModificationInternalReason = 'VENDOR' | 'CUSTOMER' | 'BUSINESS_PROCESS' | 'PICK_PACK' | 'PURCHASING' | 'EXPECTED' | 'OTHER';

export type BulkModificationNotificationMode = 'IMMEDIATE' | 'BATCH' | 'NONE';

export type CreateApiBulkmodificationtoolCartUpdateArgs = {body: {addons: Array<CartItemForUpdate>, operation: BulkModificationOperation, newItems?: Array<BulkModificationItem> | undefined, startDate?: string | undefined, endDate?: string | undefined, internalReason?: (BulkModificationInternalReason | null) | undefined, internalReasonNote?: (string | null) | undefined, notifyUsers: BulkModificationNotificationMode, nextOccurrenceOnly?: boolean | undefined}};

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

export const namedUrl = z.object({name: z.string().min(1), url: z.string().min(1)});

export const bulkModificationUpdateResult = z.object({addonsAffected: z.number().int(), progressLink: namedUrl});

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
};

/**
 * POST /bulkmodificationtool/cart/update
 */
export const createApiBulkmodificationtoolCartUpdate = async (args: CreateApiBulkmodificationtoolCartUpdateArgs, options: CreateApiBulkmodificationtoolCartUpdateOptions) => {
const {baseUrl, fetch: fetchFn = fetch} = options ?? {}

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

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

const res = await fetchFn(url, {method: "POST", headers, body: JSON.stringify(args.body)})

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

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