import {z} from 'zod'

export type CreateApiMessagesInteractiveCarouselArgs = {body: {from: string, to: string, interactive: {type?: 'carousel' | undefined, body: {text: string}, action: {cards: Array<{card_index: number, type: 'cta_url', header: {type: 'text' | 'image', text?: (string | null) | undefined, image?: ({link: string} | null) | undefined}, body?: {text: string} | undefined, action: {name?: 'cta_url' | undefined, parameters?: {display_text: string, url: string} | undefined, buttons?: (Array<{type: 'quick_reply', quick_reply: {id: string, title: string}}> | null) | undefined}}>}}}};

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

export const createApiMessagesInteractiveCarouselResponse = z.object({id: z.string()});

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
};

/**
 * Send interactive carousel message
 * 
 * POST /messages/interactive/carousel
 */
export const createApiMessagesInteractiveCarousel = async (args: CreateApiMessagesInteractiveCarouselArgs, options?: CreateApiMessagesInteractiveCarouselOptions) => {
const {baseUrl = "https://messenger-public-api.cogfy.com", fetch: fetchFn = fetch, ApiKeyAuth} = options ?? {}

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

if (ApiKeyAuth !== undefined) headers.set("api-key", ApiKeyAuth)

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