import {z} from 'zod'

export type MicrosoftGraphAttachmentType = 'file' | 'item' | 'reference';

export type MicrosoftGraphAttachmentItem = {size?: (number | null) | undefined, attachmentType?: (MicrosoftGraphAttachmentType | Record<string, never> | null) | undefined, '@odata.type'?: string | undefined, contentId?: (string | null) | undefined, name?: (string | null) | undefined, isInline?: (boolean | null) | undefined, contentType?: (string | null) | undefined};

export type AttachmentsCreateUploadSessionBody = {AttachmentItem?: MicrosoftGraphAttachmentItem | undefined};

export type CreateApiMeMessagesMessageIdAttachmentsCreateUploadSessionArgs = {body: AttachmentsCreateUploadSessionBody};

export type CreateApiMeMessagesMessageIdAttachmentsCreateUploadSessionOptions = {baseUrl?: string | undefined, azureOAuth2?: string | undefined, fetch?: typeof fetch | undefined};

export const microsoftGraphUploadSession = z.object({expirationDateTime: z.string().nullable().optional(), uploadUrl: z.string().nullable().optional(), "@odata.type": z.string().optional(), nextExpectedRanges: z.array(z.string().nullable()).optional()});

export const uploadSessionCompletedResponse = z.object({}).nullable();

export const microsoftGraphUploadSessionResponse = z.union([microsoftGraphUploadSession, uploadSessionCompletedResponse]);

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 large file attachment upload session
 * 
 * POST /me/messages/{messageId}/attachments/createUploadSession
 */
export const createApiMeMessagesMessageIdAttachmentsCreateUploadSession = async (args: CreateApiMeMessagesMessageIdAttachmentsCreateUploadSessionArgs, options?: CreateApiMeMessagesMessageIdAttachmentsCreateUploadSessionOptions) => {
const {baseUrl = "https://graph.microsoft.com/v1.0", fetch: fetchFn = fetch, azureOAuth2} = options ?? {}

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

if (azureOAuth2 !== undefined) headers.set('authorization', `Bearer ${azureOAuth2}`)

const url = `${baseUrl.replace(/\/+$/, '')}/me/messages/${encodeURIComponent(String(args.messageId))}/attachments/createUploadSession${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(microsoftGraphUploadSessionResponse, await res.json())
};