import {z} from 'zod'

export type OnrampCustomerStatusRequest = {auth_intent_id: string, crypto_customer_id: string};

export type CreateApiOnrampVerificationStatusArgs = {'X-API-KEY': string, body: OnrampCustomerStatusRequest};

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

export const customerTierStatus = z.object({tier: z.string(), verification_status: z.string(), verification_errors: z.array(z.string()).optional()});

export const customerTransactionLimitEntry = z.object({limit: z.number(), settlement_speed: z.string()});

export const customerTransactionLimits = z.object({livemode: z.boolean(), limits: z.record(z.string(), z.record(z.string(), z.array(customerTransactionLimitEntry)))});

export const onrampCustomerStatusResponse = z.object({crypto_customer_id: z.string(), kyc_required: z.boolean(), kyc_status: z.string().optional(), kyc_current_tier: z.string().optional(), kyc_region: z.string().nullable().optional(), kyc_next_step: z.string().optional(), identity_verification_required: z.boolean(), identity_verification_status: z.string().optional(), kyc_tiers: z.array(customerTierStatus).optional(), provided_fields: z.array(z.string()).optional(), transaction_limits: customerTransactionLimits.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 Onramp Verification Status
 * 
 * POST /onramp/verification/status
 */
export const createApiOnrampVerificationStatus = async (args: CreateApiOnrampVerificationStatusArgs, options?: CreateApiOnrampVerificationStatusOptions) => {
const {baseUrl = "https://api.coinvoyage.io/v3", fetch: fetchFn = fetch, APIKeyHeader} = options ?? {}

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

if (args['X-API-KEY'] != null) headers.set("X-API-KEY", String(args['X-API-KEY']))
if (APIKeyHeader !== undefined) headers.set("X-API-KEY", APIKeyHeader)

const url = `${baseUrl.replace(/\/+$/, '')}/onramp/verification/status${query.size > 0 ? `?${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(onrampCustomerStatusResponse, await res.json())
};