import {z} from 'zod'

export type CreateApiBroadcastsArgs = {body: {type?: ('text' | 'template') | undefined, title: string, content?: string | undefined, template?: {whatsAppId: string} | undefined, phoneNumber: string, contactsQuery?: ({tags?: (Array<{id?: string | undefined, name?: string | undefined}>) | undefined}) | undefined, contacts?: (Array<{phoneNumber: string, variables?: ({[key: string]: string | number | boolean}) | undefined}>) | undefined, scheduleDate?: string | undefined, batchSize?: number | undefined, batchInterval?: number | undefined, allowedSendTimeStart?: string | undefined, allowedSendTimeEnd?: string | undefined, allowedSendTimeTimezone?: string | undefined, whatsappApi?: ('cloud_api' | 'mm_api') | undefined}};

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

export const createApiBroadcastsResponse = z.object({id: z.string(), type: z.string(), title: z.string().nullable(), status: z.string().nullable(), scheduleDate: z.string().nullable(), batchSize: z.number().int().gte(-9007199254740991).lte(9007199254740991).nullable(), batchInterval: z.number().int().gte(-9007199254740991).lte(9007199254740991).nullable(), allowedSendTimeStart: z.string().nullable(), allowedSendTimeEnd: z.string().nullable(), allowedSendTimeTimezone: z.string().nullable(), createDate: z.string(), processedContacts: z.number().int().gte(-9007199254740991).lte(9007199254740991).nullable().optional(), totalBatches: z.number().int().gte(-9007199254740991).lte(9007199254740991).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
};

/**
 * Create a new broadcast
 * 
 * POST /broadcasts
 */
export const createApiBroadcasts = async (args: CreateApiBroadcastsArgs, options?: CreateApiBroadcastsOptions) => {
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 = `${baseUrl.replace(/\/+$/, '')}/broadcasts${query.size > 0 ? `?${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(createApiBroadcastsResponse, await res.json())
};