import {z} from 'zod'

export type GetApiV1MessageExportArgs = {created_after?: string | undefined, created_before?: string | undefined};

export type GetApiV1MessageExportOptions = {baseUrl?: string | undefined, BearerAuth?: string | undefined, fetch?: typeof fetch | undefined};

export const messageInfo = z.object({id: z.string().optional(), csid: z.number().int().optional(), created_at: z.number().int().optional(), initial_channel: z.string().optional(), author_name: z.string().optional(), author_email: z.string().optional(), direction: z.enum(["inbound", "outbound"]).optional(), text: z.string().optional(), from_phone_number: z.string().optional(), to_phone_number: z.string().optional(), duration: z.number().optional(), recording_url: z.string().optional(), voicemail_url: z.string().optional(), to: z.array(z.string()).optional(), from: z.string().optional(), cc: z.array(z.string()).optional(), bcc: z.array(z.string()).optional(), attached_files: z.array(z.string()).optional(), is_automated_message: z.boolean().optional(), chat_input_question: z.string().optional(), chat_input_answer: z.string().optional(), chat_menu_text: z.string().optional(), form_submission: z.object({}).optional()});

export const getApiV1MessageExportResponse = z.array(messageInfo);

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
};

/**
 * Returns a list of messages.
 * 
 * GET /v1/message_export
 */
export const getApiV1MessageExport = async (args: GetApiV1MessageExportArgs, options?: GetApiV1MessageExportOptions) => {
const {baseUrl = "https://exports.dixa.io", fetch: fetchFn = fetch, BearerAuth} = options ?? {}

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

if (args.created_after != null) query.append("created_after", String(args.created_after))
if (args.created_before != null) query.append("created_before", String(args.created_before))
if (BearerAuth !== undefined) headers.set('authorization', `Bearer ${BearerAuth}`)

const url = `${baseUrl.replace(/\/+$/, '')}/v1/message_export${query.size > 0 ? `?${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(getApiV1MessageExportResponse, await res.json())
};