import {z} from 'zod'

export type CSVParam = {param?: number | undefined, column?: string | undefined};

export type BulkHSMJsonRequest = {campaignName: string, elementName: string, botId: string, params: Array<CSVParam>, type?: ('text' | 'image' | 'document' | 'video') | undefined, mediaUrl?: string | undefined, fileUrl?: string | undefined, buttonPayloads?: Array<Record<string, never>> | undefined, actions?: Record<string, never> | undefined, scheduledAt?: string | undefined};

export type CreateApiV1HsmFileArgs = {body: BulkHSMJsonRequest};

export type CreateApiV1HsmFileOptions = {baseUrl?: string | undefined, basicAuth?: {username: string, password: string} | undefined, fetch?: typeof fetch | undefined};

export const bulkHSMResponse = z.object({message: z.array(z.string()).optional(), status: 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
};

/**
 * Send Bulk HSM
 * 
 * POST /v1/hsm/file
 */
export const createApiV1HsmFile = async (args: CreateApiV1HsmFileArgs, options?: CreateApiV1HsmFileOptions) => {
const {baseUrl = "https://api.jelou.ai", fetch: fetchFn = fetch, basicAuth} = options ?? {}

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

if (basicAuth !== undefined) headers.set('authorization', `Basic ${btoa(`${basicAuth.username}:${basicAuth.password}`)}`)

const url = `${baseUrl.replace(/\/+$/, '')}/v1/hsm/file${query.size > 0 ? `?${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(bulkHSMResponse, await res.json())
};