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// Real Codex CLI requests (OpenAI Responses API: { input:[], instructions }) → providers.
import { describe, it, expect } from "vitest";
import "./registerAll.js";
import { translateRequest } from "../../open-sse/translator/index.js";
import { FORMATS } from "../../open-sse/translator/formats.js";

const R2O = (body) => translateRequest(FORMATS.OPENAI_RESPONSES, FORMATS.OPENAI, "m", body, true, null, null);
const O2R = (body) => translateRequest(FORMATS.OPENAI, FORMATS.OPENAI_RESPONSES, "m", body, true, null, null);

describe("Codex CLI Responses → OpenAI", () => {
  // openai-responses.js:103 — function_call with empty name skipped, can leave tool_calls: []
  // KNOWN BUG: empty tool_calls array is rejected by OpenAI/Codex
  it.fails("assistant has no empty tool_calls array when all names are empty", () => {
    const out = R2O({
      input: [
        { type: "function_call", call_id: "c1", name: "", arguments: "{}" },
      ],
    });
    const asst = out.messages.find((m) => m.role === "assistant" && m.tool_calls);
    expect(asst?.tool_calls?.length ?? 0, "empty tool_calls[] produced").toBeGreaterThan(0);
  });

  // openai-responses.js:109-110 — arguments passed through without ensuring string type
  // KNOWN BUG
  it.fails("function_call arguments end up as a string", () => {
    const out = R2O({
      input: [{ type: "function_call", call_id: "c1", name: "f", arguments: { a: 1 } }],
    });
    const asst = out.messages.find((m) => m.tool_calls);
    expect(typeof asst.tool_calls[0].function.arguments).toBe("string");
  });

  // openai-responses.js:75-77 — input_image uses file_id as raw url
  // KNOWN BUG
  it.fails("input_image with file_id is not used as a raw url", () => {
    const out = R2O({
      input: [{ type: "message", role: "user", content: [
        { type: "input_image", file_id: "file-abc" },
      ] }],
    });
    const userMsg = out.messages.find((m) => m.role === "user");
    const img = Array.isArray(userMsg?.content) ? userMsg.content.find((c) => c.type === "image_url") : null;
    // A bare file_id is not a valid image URL
    expect(img?.image_url?.url === "file-abc").toBe(false);
  });
});

describe("OpenAI → Codex Responses (reverse)", () => {
  // openai-responses.js:13 — clampCallId NOT applied on Responses→Chat; but here Chat→Responses must clamp
  it("call_id longer than 64 chars is clamped", () => {
    const longId = "call_" + "x".repeat(80);
    const out = O2R({
      messages: [
        { role: "assistant", content: null, tool_calls: [
          { id: longId, type: "function", function: { name: "f", arguments: "{}" } },
        ] },
        { role: "tool", tool_call_id: longId, content: "ok" },
      ],
    });
    const fc = out.input.find((i) => i.type === "function_call");
    expect(fc.call_id.length).toBeLessThanOrEqual(64);
  });
});