import {z} from 'zod'

export type PatchApiInstallmentsPlansInstallmentCodeArgs = {installment_code: string, body: {name?: string | undefined, account_id?: Array<string> | undefined, merchant_reference?: string | undefined, installments_plan?: (Array<{installment: number, rate: number, financial_costs?: Array<{type: string, rate: number}> | undefined, type?: ('MERCHANT_INSTALLMENTS' | 'ISSUER_INSTALLMENTS') | undefined}>) | undefined, country_code?: string | undefined, scheme?: string | undefined, brand?: Array<string> | undefined, issuer?: string | undefined, iin?: Array<string> | undefined, first_installment_deferral?: number | undefined, amount?: ({currency: string, min_value?: number | undefined, max_value?: number | undefined}) | undefined, availability?: {start_at: string, finish_at: string} | undefined}};

export type PatchApiInstallmentsPlansInstallmentCodeOptions = {baseUrl?: string | undefined, publicApiKey?: string | undefined, privateSecretKey?: string | undefined, fetch?: typeof fetch | undefined};

export const patchApiInstallmentsPlansInstallmentCodeResponse = z.object({id: z.string().optional(), name: z.string().optional(), account_id: z.array(z.string()).optional(), merchant_reference: z.string().optional(), installments_plan: z.array(z.object({installment: z.number().int().optional(), rate: z.number().int().optional(), provider_id: z.string().optional(), financial_costs: z.array(z.object({type: z.enum(["CFT", "TEA", "CET", "CAT"]).optional(), rate: z.number().optional(), formatted_value: z.string().optional()})).optional()})).optional(), type: z.string().optional(), source: z.string().optional(), provider_id: z.string().optional(), scheme: z.string().optional(), brand: z.array(z.string()).optional(), issuer: z.string().optional(), issuer_id: z.string().optional(), iin: z.unknown(), country_code: z.string().optional(), first_installment_deferral: z.number().int().optional(), amount: z.object({Currency: z.string().optional(), min_value: z.number().int().optional(), max_value: z.number().int().optional()}).optional(), availability: z.object({start_at: z.string().optional(), finish_at: z.string().optional()}).optional(), created_at: z.string().optional(), updated_at: z.string().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
};

/**
 * Update Plan
 * 
 * PATCH /installments-plans/{installment_code}
 */
export const patchApiInstallmentsPlansInstallmentCode = async (args: PatchApiInstallmentsPlansInstallmentCodeArgs, options?: PatchApiInstallmentsPlansInstallmentCodeOptions) => {
const {baseUrl = "https://api-sandbox.y.uno/v1", fetch: fetchFn = fetch, publicApiKey, privateSecretKey} = options ?? {}

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

if (publicApiKey !== undefined) headers.set("PUBLIC-API-KEY", publicApiKey)
if (privateSecretKey !== undefined) headers.set("PRIVATE-SECRET-KEY", privateSecretKey)

const url = `${baseUrl.replace(/\/+$/, '')}/installments-plans/${encodeURIComponent(String(args.installment_code))}${query.size > 0 ? `?${query}` : ''}`

const res = await fetchFn(url, {method: "PATCH", 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(patchApiInstallmentsPlansInstallmentCodeResponse, await res.json())
};