import {z} from 'zod'

export type GetApiV1AssistantThreadsThreadIdMessagesArgs = {threadId: string, limit?: number | undefined, offset?: number | undefined, latest?: boolean | undefined};

export type GetApiV1AssistantThreadsThreadIdMessagesOptions = {baseUrl?: string | undefined, bearer?: string | undefined, fetch?: typeof fetch | undefined};

export const assistantMessagePartDto = z.object({type: z.string(), text: z.string().optional(), toolCallId: z.string().optional(), tool: z.string().optional(), argsSummary: z.string().optional(), status: z.string().optional(), preview: z.string().optional(), pendingAttachmentId: z.string().optional(), fileName: z.string().optional(), contentType: z.string().optional(), sizeBytes: z.number().optional()});

export const assistantMessageResponseDto = z.object({id: z.string(), threadId: z.string(), runId: z.string().nullable().optional(), role: z.enum(["user", "assistant", "tool"]), parts: z.array(assistantMessagePartDto), tokensIn: z.number().nullable().optional(), tokensOut: z.number().nullable().optional(), createdAt: z.string()});

export const assistantMessageListResponseDto = z.object({data: z.array(assistantMessageResponseDto), total: z.number(), limit: z.number(), offset: z.number(), anchorUserMessage: assistantMessageResponseDto.nullable().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
};

/**
 * List messages in a thread
 * 
 * GET /v1/assistant/threads/{threadId}/messages
 * 
 * Also accepts auth: bearer
 */
export const getApiV1AssistantThreadsThreadIdMessages = async (args: GetApiV1AssistantThreadsThreadIdMessagesArgs, options?: GetApiV1AssistantThreadsThreadIdMessagesOptions) => {
const {baseUrl = "https://sandbox.api.infinite.dev", fetch: fetchFn = fetch, bearer} = options ?? {}

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

if (args.limit != null) query.append("limit", String(args.limit))
if (args.offset != null) query.append("offset", String(args.offset))
if (args.latest != null) query.append("latest", String(args.latest))
if (bearer !== undefined) headers.set('authorization', `Bearer ${bearer}`)

const url = `${baseUrl.replace(/\/+$/, '')}/v1/assistant/threads/${encodeURIComponent(String(args.threadId))}/messages${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(assistantMessageListResponseDto, await res.json())
};