import {z} from 'zod'

export type GetApiBalanceArgs = {'q[entryAtGteq]'?: string | undefined, 'q[entryAtLteq]'?: string | undefined};

export type GetApiBalanceOptions = {baseUrl?: string | undefined, sec0?: {username: string, password: string} | undefined, sec1?: string | undefined, fetch?: typeof fetch | undefined};

export const getApiBalanceResponse = z.object({data: z.object({id: z.string().optional(), type: z.string().optional(), attributes: z.object({currentBalance: z.string().optional(), availableBalance: z.string().optional(), initialBalance: z.string().optional(), finalBalance: z.string().optional()}).optional()}).optional(), meta: z.object({search: z.object({entryAtGteq: z.string().optional(), entryAtLteq: z.string().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
};

/**
 * Obter saldo da conta Grafeno
 * 
 * GET /balance/
 */
export const getApiBalance = async (args: GetApiBalanceArgs, options?: GetApiBalanceOptions) => {
const {baseUrl = "https://pagamentos.grafeno.be/api/v2", fetch: fetchFn = fetch, sec0, sec1} = options ?? {}

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

if (args['q[entryAtGteq]'] != null) query.append("q[entryAtGteq]", String(args['q[entryAtGteq]']))
if (args['q[entryAtLteq]'] != null) query.append("q[entryAtLteq]", String(args['q[entryAtLteq]']))
if (sec0 !== undefined) headers.set('authorization', `Basic ${btoa(`${sec0.username}:${sec0.password}`)}`)
if (sec1 !== undefined) headers.set("Authorization", sec1)

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