import {z} from 'zod'

export type CreateApiV2AccountsAccountIdDocumentsArgs = {account_id: string, body: BodyInit};

export type CreateApiV2AccountsAccountIdDocumentsOptions = {baseUrl?: string | undefined, basicAuth?: {username: string, password: string} | undefined, fetch?: typeof fetch | undefined};

export const accountDocument = z.object({business_proof_of_identification: z.array(z.object({type: z.enum(["business_proof_url", "gst_certificate", "shop_establishment_certificate", "certificate_of_incorporation", "trust_deed", "society_registration_certificate"]).optional(), document_id: z.string().optional()})).optional(), business_proof_of_address: z.array(z.object({type: z.string().optional(), document_id: z.string().optional()})).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
};

/**
 * Upload KYC documents for a sub-merchant account
 * 
 * POST /v2/accounts/{account_id}/documents
 */
export const createApiV2AccountsAccountIdDocuments = async (args: CreateApiV2AccountsAccountIdDocumentsArgs, options?: CreateApiV2AccountsAccountIdDocumentsOptions) => {
const {baseUrl = "https://api.razorpay.com/v1", fetch: fetchFn = fetch, basicAuth} = options ?? {}

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

if (basicAuth !== undefined) headers.set('authorization', `Basic ${btoa(`${basicAuth.username}:${basicAuth.password}`)}`)

const url = `${baseUrl.replace(/\/+$/, '')}/v2/accounts/${encodeURIComponent(String(args.account_id))}/documents${query.size > 0 ? `?${query}` : ''}`

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

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

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