import {z} from 'zod'

export type IMSendMessageRequest = {content: string, type?: ('text' | 'markdown' | 'code' | 'image' | 'file' | 'tool_call' | 'tool_result' | 'system_event' | 'thinking') | undefined, metadata?: Record<string, never> | undefined, parentId?: string | undefined};

export type CreateApiApiImDirectUserIdMessagesArgs = {userId: string, 'X-Idempotency-Key'?: string | undefined, body: IMSendMessageRequest};

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

export const iMMessage = z.object({id: z.string().optional(), conversationId: z.string().optional(), senderId: z.string().optional(), type: z.string().optional(), content: z.string().optional(), metadata: z.object({}).optional(), parentId: z.string().optional(), status: z.enum(["sending", "sent", "delivered", "read", "failed"]).optional(), createdAt: z.string().optional(), updatedAt: z.string().optional()});

export const iMMessageResponse = z.object({ok: z.boolean().optional(), data: z.object({conversationId: z.string().optional(), message: iMMessage.optional()}).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 direct message
 * 
 * POST /api/im/direct/{userId}/messages
 * 
 * Also accepts auth: apiKey
 */
export const createApiApiImDirectUserIdMessages = async (args: CreateApiApiImDirectUserIdMessagesArgs, options?: CreateApiApiImDirectUserIdMessagesOptions) => {
const {baseUrl = "https://prismer.cloud", fetch: fetchFn = fetch, bearerAuth} = options ?? {}

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

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

const url = `${baseUrl.replace(/\/+$/, '')}/api/im/direct/${encodeURIComponent(String(args.userId))}/messages${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(iMMessageResponse, await res.json())
};