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import type { Ref } from "@/worker/git";
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import { classifyRef, formatRefOption } from "@/shared/git/ref-display";
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import { isRequestPrivate, loadHeadAndRefsCached, resolveUiRepoAccess } from "./helpers";
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import type { AppContext } from "../hono";
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export async function handleRefsApi(c: AppContext<"/:owner/:repo/api/refs">) {
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  const env = c.env;
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  const owner = c.req.param("owner");
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  const repo = c.req.param("repo");
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  const access = await resolveUiRepoAccess(c, owner, repo, { responseShape: "json" });
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  if (access.kind === "response") return access.response;
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  const { route, cacheCtx } = access;
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  try {
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    const refsData = await loadHeadAndRefsCached(env, cacheCtx, route.doName);
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    const refs: Ref[] = refsData?.refs || [];
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    const branches = refs.filter((ref) => classifyRef(ref.name) === "branch").map(formatRefOption);
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    const tags = refs.filter((ref) => classifyRef(ref.name) === "tag").map(formatRefOption);
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    const isPrivate = isRequestPrivate(cacheCtx);
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    return new Response(JSON.stringify({ branches, tags }), {
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      headers: {
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        "Content-Type": "application/json",
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        "Cache-Control": isPrivate ? "no-store" : "public, max-age=60",
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      },
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    });
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  } catch (e) {
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    return new Response(
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      JSON.stringify({ branches: [], tags: [], error: e instanceof Error ? e.message : String(e) }),
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      {
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        status: 500,
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        headers: { "Content-Type": "application/json" },
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      }
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    );
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  }
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}