import fs from "node:fs";
import os from "node:os";
import path from "node:path";
import { describe, expect, it } from "vitest";
import {
  hasGatewayReadyLog,
  shouldRefreshBuildStampForRestoredArtifacts,
  writeBuildAndRuntimePostBuildStamps,
} from "../../scripts/check-gateway-watch-regression.mjs";
import {
  BUILD_STAMP_FILE,
  RUNTIME_POSTBUILD_STAMP_FILE,
} from "../../scripts/lib/local-build-metadata-paths.mjs";

describe("check-gateway-watch-regression", () => {
  it("recognizes current and legacy gateway ready logs", () => {
    expect(hasGatewayReadyLog("[gateway] http server listening (0 plugins, 0.8s)")).toBe(true);
    expect(hasGatewayReadyLog("[gateway] ready (0 plugins, 0.8s)")).toBe(true);
    expect(hasGatewayReadyLog("[gateway] starting HTTP server...")).toBe(false);
  });

  it("refreshes restored build stamps only for skip-build config mtime drift", () => {
    expect(
      shouldRefreshBuildStampForRestoredArtifacts({
        skipBuild: true,
        buildRequirement: { shouldBuild: true, reason: "config_newer" },
      }),
    ).toBe(true);
    expect(
      shouldRefreshBuildStampForRestoredArtifacts({
        skipBuild: false,
        buildRequirement: { shouldBuild: true, reason: "config_newer" },
      }),
    ).toBe(false);
    expect(
      shouldRefreshBuildStampForRestoredArtifacts({
        skipBuild: true,
        buildRequirement: { shouldBuild: true, reason: "source_mtime_newer" },
      }),
    ).toBe(false);
  });

  it("refreshes runtime postbuild stamps after build stamps", () => {
    const rootDir = fs.mkdtempSync(path.join(os.tmpdir(), "openclaw-gateway-watch-stamps-"));
    try {
      fs.mkdirSync(path.join(rootDir, ".git"), { recursive: true });
      writeBuildAndRuntimePostBuildStamps({ cwd: rootDir });

      const buildStampPath = path.join(rootDir, "dist", BUILD_STAMP_FILE);
      const runtimeStampPath = path.join(rootDir, "dist", RUNTIME_POSTBUILD_STAMP_FILE);
      expect(fs.existsSync(buildStampPath)).toBe(true);
      expect(fs.existsSync(runtimeStampPath)).toBe(true);
      expect(fs.statSync(runtimeStampPath).mtimeMs).toBeGreaterThanOrEqual(
        fs.statSync(buildStampPath).mtimeMs,
      );
    } finally {
      fs.rmSync(rootDir, { recursive: true, force: true });
    }
  });
});