import {z} from 'zod'

export type CurrencyModel = 'rub' | 'uah' | 'kzt' | 'byn' | 'usd' | 'eur' | 'gbp' | 'cny' | 'try' | 'jpy' | 'brl';

export type CreateApiInvoiceArgs = {body: {currency: CurrencyModel, amount: number, payment_id: string, comment: string, url_success: string, url_callback?: string | undefined, merchant_id: number, required_telegram_id?: number | undefined, required_telegram_username?: string | undefined, lifetime?: number | undefined, additional_data?: string | undefined, is_test?: boolean | undefined}};

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

export const invoiceModel = z.object({additional_data: z.string(), amount: z.number().int(), comment: z.string(), expires_at: z.number().int(), invoice_date: z.number().int(), invoice_id: z.number().int(), is_test: z.boolean(), merchant_id: z.number().int(), paid_date: z.number().int(), payer_user_id: z.number().int(), payment_id: z.string(), resend_attempts: z.number().int(), status: z.string(), url: z.string(), url_callback: z.string(), url_success: z.string(), user_id: z.number().int()});

export const respSystemInfo = z.object({rate_limit: z.object({limit: z.number().int(), remaining: z.number().int(), reset: z.number().int(), bucket: z.string().optional()}), visitor_id: z.number().int(), time: z.number().int(), log_id: z.number().int()});

export const createApiInvoiceResponse = z.object({invoice: invoiceModel, system_info: respSystemInfo});

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
};

/**
 * Create Invoice
 * 
 * POST /invoice
 */
export const createApiInvoice = async (args: CreateApiInvoiceArgs, options?: CreateApiInvoiceOptions) => {
const {baseUrl = "https://api.lzt.market", fetch: fetchFn = fetch, HTTPBearer} = options ?? {}

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

if (HTTPBearer !== undefined) headers.set('authorization', `Bearer ${HTTPBearer}`)

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