// The platform service's readiness, on its own so the status read can ask it without the search service
// (`KNOWLEDGE_READINESS`): the search adapter answers the same way, from here.

import { type Knowledge, KnowledgeError } from "@conusai-kit/platform"
import type { KnowledgeReadiness } from "../core/ports.js"
import { refusalOfReason, stateOfRefusal } from "./refusals.js"

/**
 * The platform's managed service answers for itself. A refusal is the service's answer, as a typed code
 * the page shows in the reader's language; a failure to ask it is its being unavailable.
 */
export const platformKnowledgeReadiness = (client: Pick<Knowledge, "readiness">): KnowledgeReadiness => ({
  async readiness() {
    try {
      const answer = await client.readiness()
      return { state: answer.state, reasons: [...answer.reasons] }
    } catch (error) {
      if (error instanceof KnowledgeError) {
        const refusal = refusalOfReason(error.reason)
        return { state: stateOfRefusal(refusal), reasons: [], ...(refusal === undefined ? {} : { refusal }) }
      }
      return { state: "unavailable", reasons: [], refusal: "runtime_unavailable" }
    }
  },
})