import {z} from 'zod'

export type CreateApiV2EkycAadhaarVerifyOtpArgs = {otp: string, reference_id: string, consent: string, purpose: string, mobile_number?: string | undefined, generate_pdf?: boolean | undefined};

export type CreateApiV2EkycAadhaarVerifyOtpOptions = {baseUrl: string, fetch?: typeof fetch | undefined};

export const aadhaarOkycAddressBlock = z.object({careOf: z.string(), country: z.string(), district: z.string(), house: z.string(), landmark: z.string(), locality: z.string(), pin: z.string(), postOffice: z.string(), state: z.string(), street: z.string(), subDistrict: z.string(), vtc: z.string()});

export const aadhaarOkycData = z.object({address: aadhaarOkycAddressBlock, dateOfBirth: z.string(), email: z.string(), gender: z.string(), generatedAt: z.string(), maskedNumber: z.string(), name: z.string(), phone: z.string(), photo: z.string()});

export const rESPONSEAADHAAREKYCSUCCESSFUL = z.object({code: z.number().int(), timestamp: z.number().int(), transaction_id: z.string(), message: z.string(), data: aadhaarOkycData});

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
};

/**
 * Aadhaar Ekyc Verify Otp
 * 
 * POST /v2/ekyc/aadhaar/verify-otp
 */
export const createApiV2EkycAadhaarVerifyOtp = async (args: CreateApiV2EkycAadhaarVerifyOtpArgs, options: CreateApiV2EkycAadhaarVerifyOtpOptions) => {
const {baseUrl, fetch: fetchFn = fetch} = options ?? {}

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

if (args.otp != null) query.append("otp", String(args.otp))
if (args.reference_id != null) query.append("reference_id", String(args.reference_id))
if (args.consent != null) query.append("consent", String(args.consent))
if (args.purpose != null) query.append("purpose", String(args.purpose))
if (args.mobile_number != null) query.append("mobile_number", String(args.mobile_number))
if (args.generate_pdf != null) query.append("generate_pdf", String(args.generate_pdf))

const url = `${baseUrl.replace(/\/+$/, '')}/v2/ekyc/aadhaar/verify-otp${query.size > 0 ? `?${query}` : ''}`

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

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

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