import {z} from 'zod'

export type GetApiApiV1EmbeddedConfigSessionIdArgs = {session_id: string, 'x-browser-token': string};

export type GetApiApiV1EmbeddedConfigSessionIdOptions = {baseUrl?: string | undefined, fetch?: typeof fetch | undefined};

export const embeddedPaymentMethod = z.object({id: z.number().int().optional(), name: z.string().optional(), payment_type: z.string().optional(), description: z.string().optional(), logo_url: z.string().optional(), show_card_logos: z.boolean().optional(), is_sponsored: z.boolean().optional(), is_active: z.boolean().optional(), sequence: z.number().int().optional()});

export const embeddedMerchantConfig = z.object({application_key: z.string().optional(), api_base_url: z.string().optional(), mode: z.string().optional()});

export const embeddedCheckoutOptions = z.object({checkout_design: z.string().optional(), show_steps: z.boolean().optional(), show_save_card: z.boolean().optional(), show_installments: z.boolean().optional(), show_payment_summary: z.boolean().optional(), show_agreements: z.boolean().optional(), agreement_distance_sales: z.string().optional(), agreement_pre_information: z.string().optional(), show_cancel_order: z.boolean().optional(), show_refund_order: z.boolean().optional(), point_usage_active: z.boolean().optional()});

export const embeddedConfigResponse = z.object({status: z.number().int(), message: z.string(), session_id: z.string().optional(), order_id: z.string().optional(), return_url: z.string().optional(), amount: z.number().int().optional(), currency: z.string().optional(), language: z.string().optional(), customer: z.object({}).optional(), basket_items: z.array(z.object({})).optional(), customer_basket: z.array(z.object({})).optional(), submerchant_external_id: z.string().optional(), is_submerchant_payment: z.boolean().optional(), campaign_name: z.string().optional(), billing_tax_office: z.string().optional(), billing_tax_number: z.string().optional(), success_url: z.string().optional(), fail_url: z.string().optional(), payment_methods: z.array(embeddedPaymentMethod).optional(), theme: z.object({}).optional(), merchant_name: z.string().optional(), merchant_config: embeddedMerchantConfig.optional(), checkout_options: embeddedCheckoutOptions.optional(), environment: z.string().optional(), execution_mode: z.string().optional(), sandbox_scenario: z.string().optional(), simulated: z.boolean().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
};

/**
 * Get Config
 * 
 * GET /api/v1/embedded/config/{session_id}
 */
export const getApiApiV1EmbeddedConfigSessionId = async (args: GetApiApiV1EmbeddedConfigSessionIdArgs, options?: GetApiApiV1EmbeddedConfigSessionIdOptions) => {
const {baseUrl = "https://api.paylox.io", fetch: fetchFn = fetch} = options ?? {}

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

if (args['x-browser-token'] != null) headers.set("x-browser-token", String(args['x-browser-token']))

const url = `${baseUrl.replace(/\/+$/, '')}/api/v1/embedded/config/${encodeURIComponent(String(args.session_id))}${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(embeddedConfigResponse, await res.json())
};