import {z} from 'zod'

export type GetApiApiV1ChatAiConversationsConversationIdTasksTaskIdArgs = {conversation_id: string, task_id: string};

export type GetApiApiV1ChatAiConversationsConversationIdTasksTaskIdOptions = {baseUrl: string, fetch?: typeof fetch | undefined};

export const subAgentTraceEntryRead = z.object({agent_label: z.string(), tool_name: z.string(), tool_call_id: z.string(), status: z.enum(["running", "completed", "failed"]), elapsed_ms: z.number().int(), tool_params: z.record(z.string(), z.unknown()).nullable().optional(), follow_up_action_id: z.string().nullable().optional(), kc_review_id: z.string().nullable().optional()});

export const chatTaskDetail = z.object({id: z.string(), specialist: z.string(), status: z.enum(["queued", "running", "succeeded", "failed", "stalled", "budget_exhausted"]), status_message: z.string().nullable(), current_step: z.string().nullable(), created_at: z.string(), updated_at: z.string(), started_at: z.string().nullable(), heartbeat_at: z.string().nullable(), tool_count: z.number().int(), question: z.string().nullable(), trace: z.array(subAgentTraceEntryRead), answer: z.string().nullable(), error: z.string().nullable(), sources: z.array(z.record(z.string(), z.unknown())).nullable()});

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 Conversation Task
 * 
 * GET /api/v1/chat-ai/conversations/{conversation_id}/tasks/{task_id}
 */
export const getApiApiV1ChatAiConversationsConversationIdTasksTaskId = async (args: GetApiApiV1ChatAiConversationsConversationIdTasksTaskIdArgs, options: GetApiApiV1ChatAiConversationsConversationIdTasksTaskIdOptions) => {
const {baseUrl, fetch: fetchFn = fetch} = options ?? {}

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

const url = `${baseUrl.replace(/\/+$/, '')}/api/v1/chat-ai/conversations/${encodeURIComponent(String(args.conversation_id))}/tasks/${encodeURIComponent(String(args.task_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(chatTaskDetail, await res.json())
};