import {z} from 'zod'

export type GetApiApiV2ChannelArgs = {walletId: string, offset?: string | undefined, max?: string | undefined, q?: string | undefined};

export type GetApiApiV2ChannelOptions = {baseUrl?: string | undefined, Hawk?: string | undefined, fetch?: typeof fetch | undefined};

export const alternativeAddressDto = z.object({network: z.string().optional(), protocol: z.string().optional(), address: z.string().optional(), tag: z.string().optional(), uri: z.string().optional()});

export const merchantChannelDto = z.object({id: z.number().int().optional(), dateCreated: z.number().int().optional(), lastUpdated: z.number().int().optional(), merchantId: z.string().optional(), walletCurrency: z.string().optional(), displayCurrency: z.string().optional(), payCurrency: z.string().optional(), address: z.string().optional(), tag: z.string().optional(), network: z.string().optional(), protocol: z.string().optional(), reference: z.string().optional(), status: z.literal("OPEN").optional(), uuid: z.string().optional(), redirectUrl: z.string().optional(), uri: z.string().optional(), alternatives: z.array(alternativeAddressDto).optional(), walletId: z.string().optional(), walletDescription: z.string().optional(), pegged: z.boolean().optional(), accountReference: z.string().optional(), contact: z.object({id: z.string().optional(), name: z.string().optional(), description: z.string().optional(), relationshipType: z.string().optional(), entity: z.object({externalId: z.string().optional(), firstName: z.string().optional(), middleName: z.string().optional(), lastName: z.string().optional(), dateOfBirth: z.string().optional(), address: z.object({addressLine1: z.string().optional(), addressLine2: z.string().optional(), region: z.string().optional(), city: z.string().optional(), country: z.string().optional(), postCode: z.string().optional()}).optional(), category: z.string().optional(), type: z.string().optional()}).optional(), updatedAt: z.string().optional(), createdAt: z.string().optional()}).optional()});

export const getApiApiV2ChannelResponse = z.array(merchantChannelDto);

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
};

/**
 * List channels
 * 
 * GET /api/v2/channel
 */
export const getApiApiV2Channel = async (args: GetApiApiV2ChannelArgs, options?: GetApiApiV2ChannelOptions) => {
const {baseUrl = "https://api.sandbox.bvnk.com", fetch: fetchFn = fetch, Hawk} = options ?? {}

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

if (args.walletId != null) query.append("walletId", String(args.walletId))
if (args.offset != null) query.append("offset", String(args.offset))
if (args.max != null) query.append("max", String(args.max))
if (args.q != null) query.append("q", String(args.q))
if (Hawk !== undefined) headers.set("Authorization", Hawk)

const url = `${baseUrl.replace(/\/+$/, '')}/api/v2/channel${query.size > 0 ? `?${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(getApiApiV2ChannelResponse, await res.json())
};