import test from "node:test";
import assert from "node:assert/strict";

// Claude-Code identity version is hand-bumped in lockstep across several modules
// (2.1.158 → .187 → .195 …). A silent partial bump makes one surface advertise a stale
// `claude-cli/<version>` and can break Anthropic identity gating. This guard fails on drift.
// (quota-share-hardening Phase 2 — gaps v3.8.42.)
const claudeIdentity = await import("../../open-sse/executors/claudeIdentity.ts");
const ccBridge = await import("../../open-sse/services/ccBridgeTransforms.ts");
const claudeCompat = await import("../../open-sse/services/claudeCodeCompatible.ts");
const anthropicHeaders = await import("../../open-sse/config/anthropicHeaders.ts");
const glmProvider = await import("../../open-sse/config/glmProvider.ts");

const CANONICAL = claudeIdentity.CLAUDE_CODE_VERSION;

// "claude-cli/2.1.195 (external, sdk-cli)" → "2.1.195". String ops only — never a RegExp over
// the value, per the project's anti-ReDoS contract.
function versionFromUserAgent(userAgent: string): string {
  const afterSlash = userAgent.split("claude-cli/")[1] ?? "";
  return afterSlash.split(" ")[0];
}

test("canonical claude-cli version constant is a sane semver value", () => {
  assert.match(CANONICAL, /^\d+\.\d+\.\d+$/);
});

test("all Claude-Code identity version constants are in lockstep", () => {
  assert.equal(
    ccBridge.DEFAULT_CLAUDE_CODE_VERSION,
    CANONICAL,
    "ccBridgeTransforms.DEFAULT_CLAUDE_CODE_VERSION drifted from claudeIdentity.CLAUDE_CODE_VERSION"
  );
  assert.equal(
    claudeCompat.CLAUDE_CODE_COMPATIBLE_VERSION,
    CANONICAL,
    "claudeCodeCompatible.CLAUDE_CODE_COMPATIBLE_VERSION drifted from the canonical version"
  );
  assert.equal(
    anthropicHeaders.CLAUDE_CLI_VERSION,
    CANONICAL,
    "anthropicHeaders.CLAUDE_CLI_VERSION drifted from the canonical version"
  );
});

test("all claude-cli User-Agent strings embed the canonical version", () => {
  assert.equal(
    versionFromUserAgent(claudeCompat.CLAUDE_CODE_COMPATIBLE_USER_AGENT),
    CANONICAL,
    "claudeCodeCompatible.CLAUDE_CODE_COMPATIBLE_USER_AGENT embeds a stale version"
  );
  assert.equal(
    versionFromUserAgent(glmProvider.GLM_CLAUDE_CODE_USER_AGENT),
    CANONICAL,
    "glmProvider.GLM_CLAUDE_CODE_USER_AGENT embeds a stale version"
  );
});