import {z} from 'zod'

export type GetApiRecurrencePlansArgs = {page?: number | undefined, size?: number | undefined};

export type GetApiRecurrencePlansOptions = {baseUrl?: string | undefined, basicAuth?: {username: string, password: string} | undefined, fetch?: typeof fetch | undefined};

export const planInstallmentsDTOOutput = z.object({installments: z.number().int(), transaction_fee: z.string().optional(), installment_amount: z.string().optional(), total_amount: z.string().optional()});

export const planPaymentMethodDTOOutput = z.object({payment_method: z.string(), installments_options: z.array(planInstallmentsDTOOutput).optional(), transaction_fee: z.string().optional()});

export const planItemCreatedDTO = z.object({product_id: z.string(), amount: z.string(), description: z.string().optional(), type: z.string().optional(), status: z.string().optional(), metadata: z.object({}).optional()});

export const planCreatedDTO = z.object({plan_id: z.string(), interval: z.string(), interval_count: z.number().int(), name: z.string(), status: z.string().optional(), billing_type: z.string(), installments: z.number().int().optional(), payment_methods: z.array(planPaymentMethodDTOOutput), accepted_payment_methods: z.array(z.string()), items: z.array(planItemCreatedDTO), metadata: z.object({}).nullable().optional()});

export const pagePlanCreatedDTO = z.object({items: z.array(planCreatedDTO), total: z.number().int().gte(0).nullable(), page: z.number().int().gte(1).nullable(), size: z.number().int().gte(1).nullable(), pages: z.number().int().gte(0).nullable().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
};

/**
 * Listar todos os planos
 * 
 * GET /recurrence/plans/
 */
export const getApiRecurrencePlans = async (args: GetApiRecurrencePlansArgs, options?: GetApiRecurrencePlansOptions) => {
const {baseUrl = "https://api.b2b.usezapay.com.br/v2", fetch: fetchFn = fetch, basicAuth} = options ?? {}

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

if (args.page != null) query.append("page", String(args.page))
if (args.size != null) query.append("size", String(args.size))
if (basicAuth !== undefined) headers.set('authorization', `Basic ${btoa(`${basicAuth.username}:${basicAuth.password}`)}`)

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