import {z} from 'zod'

export type GetApiMessagesMessageIdArgs = {'Accept-Language'?: string | undefined, message_id: string};

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

export const parameter = z.object({parameter_name: z.string(), value: z.string()});

export const attachment = z.object({upload_method: z.enum(["url", "base64"]), file_data: z.string(), cache_for: z.number().int().optional()});

export const message = z.object({message_id: z.string().optional(), status: z.union([z.literal(0), z.literal(1), z.literal(-1), z.literal(-2), z.literal(2), z.literal(4), z.literal(5)]).optional(), message_template_id: z.string(), customer_id: z.string(), contact: z.string().optional(), title: z.string().optional(), send_time: z.string().optional(), opened_time: z.string().optional(), mail_client_user_agent: z.string().optional(), mail_client_language: z.string().optional(), communication_channel_id: z.union([z.literal(1), z.literal(2), z.literal(4), z.literal(5)]), message_data: z.array(parameter).optional(), attachments: z.array(attachment).optional(), last_change: z.string().optional()});

export const getApiMessagesMessageIdResponse = z.object({data: message.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 a message
 * 
 * GET /messages/{message_id}
 * 
 * Also accepts auth: basicAuth
 */
export const getApiMessagesMessageId = async (args: GetApiMessagesMessageIdArgs, options?: GetApiMessagesMessageIdOptions) => {
const {baseUrl = "https://sandbox.crmcarecloud.com/webservice/rest-api/enterprise-interface/v1.0", fetch: fetchFn = fetch, bearerAuth} = options ?? {}

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

if (args['Accept-Language'] != null) headers.set("Accept-Language", String(args['Accept-Language']))
if (bearerAuth !== undefined) headers.set('authorization', `Bearer ${bearerAuth}`)

const url = `${baseUrl.replace(/\/+$/, '')}/messages/${encodeURIComponent(String(args.message_id))}${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(getApiMessagesMessageIdResponse, await res.json())
};