import {z} from 'zod'

export type AddDataBlockRequest = {productId: string, count: number};

export type RecurringDataBlocksRequest = {recurringDataBlocks?: (Array<AddDataBlockRequest> | null) | undefined, dataPoolId?: (string | null) | undefined, applyToCurrentMonth?: (boolean | null) | undefined};

export type UpdateApiPublicV2ServiceLinesServiceLineNumberDataRecurringArgs = {serviceLineNumber: string, body: RecurringDataBlocksRequest};

export type UpdateApiPublicV2ServiceLinesServiceLineNumberDataRecurringOptions = {baseUrl?: string | undefined, bearer?: string | undefined, fetch?: typeof fetch | undefined};

export const validationResult = z.object({memberNames: z.array(z.string()).nullable().optional(), errorMessage: z.string().nullable().optional()});

export const serviceResponse = z.object({errors: z.array(validationResult).nullable().optional(), warnings: z.array(validationResult).nullable().optional(), information: z.array(z.string()).nullable().optional(), isValid: z.boolean().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
};

/**
 * Set recurring data blocks on service line
 * 
 * PUT /public/v2/service-lines/{serviceLineNumber}/data/recurring
 */
export const updateApiPublicV2ServiceLinesServiceLineNumberDataRecurring = async (args: UpdateApiPublicV2ServiceLinesServiceLineNumberDataRecurringArgs, options?: UpdateApiPublicV2ServiceLinesServiceLineNumberDataRecurringOptions) => {
const {baseUrl = "https://starlink.com/api", fetch: fetchFn = fetch, bearer} = options ?? {}

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

if (bearer !== undefined) headers.set('authorization', `Bearer ${bearer}`)

const url = `${baseUrl.replace(/\/+$/, '')}/public/v2/service-lines/${encodeURIComponent(String(args.serviceLineNumber))}/data/recurring${query.size > 0 ? `?${query}` : ''}`

const res = await fetchFn(url, {method: "PUT", 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(serviceResponse, await res.json())
};