import type { AgentFn, Role, ThreadContext } from "@uncaged/nerve-core";
import type { LlmExtractorConfig } from "@uncaged/nerve-workflow-utils";
import { createRole } from "@uncaged/nerve-workflow-utils";
import { z } from "zod";

import { readIssuePrompt } from "./prompt.js";

export const readIssueMetaSchema = z.object({
  ready: z.boolean().describe("true if issue content was fetched and markers are present"),
});
export type ReadIssueMeta = z.infer<typeof readIssueMetaSchema>;

export function createReadIssueRole(adapter: AgentFn, extract: LlmExtractorConfig): Role<ReadIssueMeta> {
  return createRole(
    adapter,
    async (ctx: ThreadContext) => readIssuePrompt({ threadId: ctx.start.meta.threadId }),
    readIssueMetaSchema,
    extract,
  );
}