import {z} from 'zod'

export type GetApiContactsContactIdCapabilitiesArgs = {contactId: string, amount?: (string | null) | undefined, 'X-Hevn-Account'?: (string | null) | undefined};

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

export const contactBlockerCode = z.enum(["contact_details_missing", "contact_address_incomplete", "contact_country_restricted", "contact_holder_type_unsupported", "account_type_unsupported", "routing_unresolved", "receiving_account_unavailable", "payment_method_unavailable", "currency_mismatch", "transfer_feature_disabled", "transfer_feature_on_request", "channel_not_configured", "sender_residency_ineligible", "sender_category_restricted", "endorsement_required", "channel_unavailable", "amount_below_minimum", "amount_above_maximum"]);

export const contactBlockerView = z.object({code: contactBlockerCode, message: z.string(), field: z.string().nullable().optional()});

export const contactCapabilityOption = z.object({bankId: z.string().nullable().optional(), method: z.string(), currency: z.string(), available: z.boolean(), minAmount: z.string(), maxAmount: z.string().nullable().optional(), feeBps: z.number().int().optional(), fixedFee: z.string().nullable().optional(), purposeRequired: z.boolean().optional(), memoRequired: z.boolean().optional(), documentsRequired: z.boolean().optional(), blockers: z.array(contactBlockerView).optional()});

export const contactCapabilitiesResponse = z.object({contactId: z.string(), available: z.boolean(), options: z.array(contactCapabilityOption).optional(), blockers: z.array(contactBlockerView).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
};

/**
 * Retrieve contact channels
 * 
 * GET /contacts/{contactId}/capabilities
 */
export const getApiContactsContactIdCapabilities = async (args: GetApiContactsContactIdCapabilitiesArgs, options: GetApiContactsContactIdCapabilitiesOptions) => {
const {baseUrl, fetch: fetchFn = fetch, HTTPBearer} = options ?? {}

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

if (args.amount != null) query.append("amount", String(args.amount))
if (args['X-Hevn-Account'] != null) headers.set("X-Hevn-Account", String(args['X-Hevn-Account']))
if (HTTPBearer !== undefined) headers.set('authorization', `Bearer ${HTTPBearer}`)

const url = `${baseUrl.replace(/\/+$/, '')}/contacts/${encodeURIComponent(String(args.contactId))}/capabilities${query.size > 0 ? `?${query}` : ''}`

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

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

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