import {z} from 'zod'

export type CreateApiV024PaymentInitiateArgs = {body: {valueInUSD?: number | undefined, payerEmail: string, currency?: ('USD' | 'NGN' | 'CAD') | undefined, amount?: string | undefined, redirect_url?: string | undefined, walletID?: string | undefined, narration?: string | undefined, subAccount?: string | undefined, meta?: Record<string, never> | undefined, turnOffNotification?: boolean | undefined, redeemData?: Record<string, never> | undefined, paymentMethod?: ({type: 'card', cardRegion?: ('Africa' | 'Americas/Canada' | 'Europe' | 'Asia') | undefined} | {type: 'wallet'} | {type: 'interledger', interledgerWalletAddress?: string | undefined} | {type: 'bank', paymentRail?: ('ach' | 'swift' | 'clabe') | undefined} | {type: 'interac', interacOption?: ('send' | 'request') | undefined, fullName?: string | undefined, email?: string | undefined}) | undefined}};

export type CreateApiV024PaymentInitiateOptions = {baseUrl?: string | undefined, apiKeyAuth?: string | undefined, fetch?: typeof fetch | undefined};

export const createApiV024PaymentInitiateResponse = z.object({status: z.string().optional(), message: z.string().optional(), data: z.object({paymentLink: z.string().optional(), valueInUSD: z.number().optional(), chimoney: z.number().optional(), issueID: z.string().optional(), type: z.string().optional(), issuer: z.string().optional(), payerEmail: z.string().optional(), initiatedBy: z.string().optional(), issueDate: z.string().optional(), status: z.string().optional(), chiRef: z.string().optional(), error: z.string().optional(), data: z.array(z.object({})).optional(), cryptoPayment: z.object({xrpl: z.object({}).optional(), eth: z.object({}).optional(), bsc: z.object({}).optional()}).optional()}).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
};

/**
 * Initiate a payment request
 * 
 * POST /v0.2.4/payment/initiate
 */
export const createApiV024PaymentInitiate = async (args: CreateApiV024PaymentInitiateArgs, options?: CreateApiV024PaymentInitiateOptions) => {
const {baseUrl = "https://api.chimoney.io", fetch: fetchFn = fetch, apiKeyAuth} = options ?? {}

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

if (apiKeyAuth !== undefined) headers.set("X-API-KEY", apiKeyAuth)

const url = `${baseUrl.replace(/\/+$/, '')}/v0.2.4/payment/initiate${query.size > 0 ? `?${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(createApiV024PaymentInitiateResponse, await res.json())
};