import {z} from 'zod'

export type DocumentUploadRequest = {amount: string, currency: string, invoiceType: string, paymentType: string, merchantId: string, customerFullName?: string | undefined, shippingDetails?: string | undefined, invoiceNumber?: string | undefined, purposeCode?: string | undefined, fxRate?: string | undefined, fileName: string};

export type CreateApiGccV1FfmsExternalTransactionGidUploadPresignedArgs = {gid: string, body: DocumentUploadRequest};

export type CreateApiGccV1FfmsExternalTransactionGidUploadPresignedOptions = {baseUrl?: string | undefined, ApiKeyAuth?: string | undefined, fetch?: typeof fetch | undefined};

export const createApiGccV1FfmsExternalTransactionGidUploadPresignedResponse = z.object({gid: z.string().optional(), status: z.string().optional(), message: z.string().optional(), timestamp: z.string().optional(), reasonCode: z.string().optional(), presignedUrl: z.string().optional(), fileName: z.string().optional(), invoiceType: z.string().optional(), paymentType: z.string().optional(), data: z.object({}).nullable().optional(), errors: z.object({}).nullable().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 Upload Presigned URL
 * 
 * POST /gcc/v1/ffms/external/transaction/{gid}/upload-presigned
 */
export const createApiGccV1FfmsExternalTransactionGidUploadPresigned = async (args: CreateApiGccV1FfmsExternalTransactionGidUploadPresignedArgs, options?: CreateApiGccV1FfmsExternalTransactionGidUploadPresignedOptions) => {
const {baseUrl = "https://api.onboard.payglocal.in", fetch: fetchFn = fetch, ApiKeyAuth} = options ?? {}

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

if (ApiKeyAuth !== undefined) headers.set("x-gl-auth", ApiKeyAuth)

const url = `${baseUrl.replace(/\/+$/, '')}/gcc/v1/ffms/external/transaction/${encodeURIComponent(String(args.gid))}/upload-presigned${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(createApiGccV1FfmsExternalTransactionGidUploadPresignedResponse, await res.json())
};