import {z} from 'zod'

export type DigiLockerEaadhaar = {consent: string, purpose: string, initial_deepvue_transaction_id: string, generate_pdf?: boolean | undefined, generate_aadhaar_xml?: boolean | undefined};

export type CreateApiV1KycDigilockerEaadhaarArgs = {body: DigiLockerEaadhaar};

export type CreateApiV1KycDigilockerEaadhaarOptions = {baseUrl: string, fetch?: typeof fetch | undefined};

export const digilockerPoiData = z.object({dob: z.string().optional(), gender: z.string().optional(), name: z.string().optional()});

export const digilockerPoaData = z.object({care_of: z.string().optional(), district: z.string().optional(), house: z.string().optional(), locality: z.string().optional(), street: z.string().optional(), vtc: z.string().optional(), pincode: z.string().optional(), state: z.string().optional(), country: z.string().optional()});

export const digilockerEaadhaarData = z.object({masked_uid: z.string(), proof_of_identity: digilockerPoiData.optional(), proof_of_address: digilockerPoaData.optional(), photo: z.string().optional()});

export const dIGILOCKEREAADHAARSUCCESS = z.object({code: z.number().int().optional(), timestamp: z.number().int(), transaction_id: z.string(), sub_code: z.string(), message: z.string(), data: digilockerEaadhaarData.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
};

/**
 * E Aadhaar
 * 
 * POST /v1/kyc/digilocker/eaadhaar
 */
export const createApiV1KycDigilockerEaadhaar = async (args: CreateApiV1KycDigilockerEaadhaarArgs, options: CreateApiV1KycDigilockerEaadhaarOptions) => {
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 = `${baseUrl.replace(/\/+$/, '')}/v1/kyc/digilocker/eaadhaar${query.size > 0 ? `?${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(dIGILOCKEREAADHAARSUCCESS, await res.json())
};