import { describe, expect, test } from "bun:test";
import { spawnSync } from "node:child_process";
import { chmodSync, mkdirSync, mkdtempSync, readFileSync, rmSync, writeFileSync } from "node:fs";
import { tmpdir } from "node:os";
import { resolve } from "node:path";

import { rootPath } from "./config";
import { applyNodeRuntimeDeployYamlOverlay, nodeRuntimeDeployYamlOverlayShellScript } from "./hwlab-node/deploy-overlay";
import { hwlabRuntimePipelineProvenance } from "./hwlab-node/pipeline-provenance";
import { nodeRuntimePipelineProvenancePostprocessScript } from "./hwlab-node/render";
import { nodeRuntimeRenderOverlay } from "./hwlab-node/web-probe";
import { hwlabRuntimeLaneSpecForNode, parseHwlabRuntimePipelineProvenance } from "./hwlab-node-lanes";
import { pipelineProvenanceAnnotationKeys, pipelineProvenanceAnnotations } from "./pipeline-provenance";
import {
  assertPacSourceArtifactVerifyWorktree,
  canonicalSha256,
  canonicalizePacPipelineSpec,
  firstPacSourceArtifactDrift,
  pacSourceArtifactSafeError,
  pacValueEvidence,
  pacSourceArtifactYaml,
  parsePacSourceArtifactOptions,
  sourceArtifactRuntimeAlignment,
} from "./platform-infra-pipelines-as-code-source-artifact";
import {
  pacRuntimeSafeReason,
  pacRuntimeSafePath,
  pacRuntimeSourceArtifactItem,
  pacRuntimeTransportFailureReason,
  renderPacSourceArtifactRuntimeObserverShell,
} from "./platform-infra-pipelines-as-code";
import {
  canonicalPacPipelineSha256 as nativeCanonicalSha256,
  canonicalizePacPipelineSpec as nativeCanonicalize,
  observePacSourceArtifactRuntime,
  selectPipelineRunBySourceCommit,
} from "../native/cicd/pac-source-artifact-runtime.mjs";

const sourceCommit = "a".repeat(40);
const provenance = {
  configRef: "config/example.yaml#lanes.nc01",
  effectiveConfigSha256: "sha256:config",
  renderer: "agentrun-control-plane",
  mode: "embedded-pipeline-spec",
};
const desiredSpec = { params: [], tasks: [] };
const runtimeWrapperSpec = {
  taskRunTemplate: {
    serviceAccountName: "agentrun-nc01-v02-tekton-runner",
    podTemplate: { hostNetwork: true, dnsPolicy: "ClusterFirstWithHostNet", securityContext: { fsGroup: 1000 } },
  },
  params: [],
  workspaces: [],
};

function manifestAnnotations(): Record<string, string> {
  return {
    "unidesk.ai/owning-config-ref": provenance.configRef,
    "unidesk.ai/effective-config-sha256": provenance.effectiveConfigSha256,
    "unidesk.ai/source-artifact-renderer": provenance.renderer,
    "unidesk.ai/source-artifact-mode": provenance.mode,
  };
}

function pipeline(): Record<string, unknown> {
  return {
    metadata: { name: "agentrun-nc01-v02-ci-image-publish", annotations: manifestAnnotations() },
    spec: desiredSpec,
  };
}

function pipelineRun(name: string, creationTimestamp: string, spec: Record<string, unknown> = desiredSpec): Record<string, unknown> {
  return {
    metadata: {
      name,
      creationTimestamp,
      labels: { "pipelinesascode.tekton.dev/sha": sourceCommit },
      annotations: manifestAnnotations(),
    },
    spec: { pipelineSpec: spec, ...structuredClone(runtimeWrapperSpec) },
  };
}

function runtimeInput(commit: string | null = sourceCommit): Record<string, unknown> {
  return {
    namespace: "agentrun-ci",
    pipeline: "agentrun-nc01-v02-ci-image-publish",
    pipelineRunPrefix: "agentrun-nc01-v02-ci",
    desiredSpec,
    desiredWrapper: { mode: "embedded-pipeline-spec", executionMode: "pipeline-spec", spec: runtimeWrapperSpec },
    provenance,
    sourceCommit: commit,
  };
}

describe("PaC source artifact CLI contract", () => {
  test("verify-runtime requires and normalizes a full source commit", () => {
    expect(() => parsePacSourceArtifactOptions([
      "verify-runtime", "--target", "NC01", "--consumer", "agentrun-nc01-v02", "--source-worktree", "/tmp/repo",
    ])).toThrow("source-commit-required");
    const parsed = parsePacSourceArtifactOptions([
      "verify-runtime", "--target", "NC01", "--consumer", "agentrun-nc01-v02", "--source-worktree", "/tmp/repo", "--source-commit", sourceCommit.toUpperCase(),
    ]);
    expect(parsed.sourceCommit).toBe(sourceCommit);
    expect(() => parsePacSourceArtifactOptions([
      "plan", "--target", "NC01", "--consumer", "agentrun-nc01-v02", "--source-worktree", "/tmp/repo", "--source-commit", sourceCommit,
    ])).toThrow("accepted only");
  });

  test("real outer CLI returns bounded scoped help for both help positions", () => {
    for (const tail of [["--help"], ["check", "--help"]]) {
      const result = spawnSync("bun", ["scripts/cli.ts", "platform-infra", "pipelines-as-code", "source-artifact", ...tail], {
        cwd: rootPath(), encoding: "utf8", timeout: 30_000,
      });
      expect(result.status).toBe(0);
      expect(result.stdout).toContain("PAC SOURCE ARTIFACT");
      expect(result.stdout).toContain("verify-runtime");
      expect(result.stdout).toContain("--source-commit <full-sha>");
      expect(result.stdout.split("\n").length).toBeLessThan(25);
      expect(result.stdout).not.toContain("platform-infra sub2api plan");
    }
  });

  test("predictable validation failures omit stack and rendered specs", () => {
    const result = spawnSync("bun", [
      "scripts/cli.ts", "platform-infra", "pipelines-as-code", "source-artifact", "plan",
      "--target", "NC01", "--consumer", "agentrun-nc01-v02", "--source-worktree", rootPath(),
    ], { cwd: rootPath(), encoding: "utf8", timeout: 30_000 });
    expect(result.status).toBe(1);
    expect(result.stdout).toContain("code=source-worktree-origin-mismatch");
    expect(result.stdout).toContain("observedUrlFingerprint=sha256:");
    expect(result.stdout).not.toContain("observedOwnerRepo");
    expect(result.stdout).not.toContain("stack");
    expect(result.stdout).not.toContain("taskSpec");
    expect(result.stdout.length).toBeLessThan(1500);
  });

  test("default, JSON, and full failures never disclose a malicious origin", () => {
    const temporary = mkdtempSync(resolve(tmpdir(), "unidesk-pac-origin-test-"));
    const secrets = [
      "review-user",
      "REVIEW_SUPER_SECRET",
      "QUERY_SUPER_SECRET",
      "Authorization",
      "https://review-user:REVIEW_SUPER_SECRET@example.invalid/pikasTech/agentrun.git?token=QUERY_SUPER_SECRET",
    ];
    try {
      for (const args of [
        ["init"],
        ["config", "user.email", "pac-test@example.invalid"],
        ["config", "user.name", "PaC Test"],
      ]) expect(spawnSync("git", args, { cwd: temporary, encoding: "utf8" }).status).toBe(0);
      writeFileSync(resolve(temporary, "README.md"), "fixture\n");
      expect(spawnSync("git", ["add", "README.md"], { cwd: temporary, encoding: "utf8" }).status).toBe(0);
      expect(spawnSync("git", ["commit", "-m", "fixture"], { cwd: temporary, encoding: "utf8" }).status).toBe(0);
      expect(spawnSync("git", ["remote", "add", "origin", secrets[4] as string], { cwd: temporary, encoding: "utf8" }).status).toBe(0);
      const origins = [
        secrets[4] as string,
        "audit@example.invalid:pikasTech/agentrun.git?token=SCP_QUERY_SUPER_SECRET",
        "https://review-user:REVIEW_SUPER_SECRET@github.com/pikasTech/agentrun.git",
        "https://github.com/pikasTech/agentrun.git?token=QUERY_SUPER_SECRET",
        "https://github.com/pikasTech/agentrun.git#QUERY_SUPER_SECRET",
      ];
      for (const origin of origins) {
        expect(spawnSync("git", ["remote", "set-url", "origin", origin], { cwd: temporary, encoding: "utf8" }).status).toBe(0);
        for (const outputFlag of [null, "--json", "--full"] as const) {
          const args = [
            "scripts/cli.ts", "platform-infra", "pipelines-as-code", "source-artifact", "plan",
            "--target", "NC01", "--consumer", "agentrun-nc01-v02", "--source-worktree", temporary,
          ];
          if (outputFlag !== null) args.push(outputFlag);
          const result = spawnSync("bun", args, { cwd: rootPath(), encoding: "utf8", timeout: 30_000 });
          const output = `${result.stdout}\n${result.stderr}`;
          expect(result.status).toBe(1);
          expect(output).toContain("source-worktree-origin-mismatch");
          expect(output).toContain("observedUrlFingerprint");
          expect(output).not.toContain("observedOwnerRepo");
          for (const secret of [...secrets, "SCP_QUERY_SUPER_SECRET"]) expect(output).not.toContain(secret);
        }
      }
    } finally {
      rmSync(temporary, { recursive: true, force: true });
    }
  }, 15_000);

  test("verification requires a clean worktree at the exact requested commit", () => {
    const exact = { head: sourceCommit, clean: true, matchesSourceCommit: true };
    expect(() => assertPacSourceArtifactVerifyWorktree("verify-runtime", sourceCommit, exact)).not.toThrow();
    expect(() => assertPacSourceArtifactVerifyWorktree("status", sourceCommit, { ...exact, clean: false })).not.toThrow();
    expect(() => assertPacSourceArtifactVerifyWorktree("verify-runtime", sourceCommit, { ...exact, clean: false })).toThrow("source-worktree-not-clean");
    expect(() => assertPacSourceArtifactVerifyWorktree("verify-runtime", sourceCommit, { ...exact, head: "b".repeat(40), matchesSourceCommit: false })).toThrow("source-worktree-commit-mismatch");
  });

  test("taskRunTemplate operational facts are declared in owning YAML", () => {
    const document = Bun.YAML.parse(readFileSync(rootPath("config", "platform-infra", "pipelines-as-code.yaml"), "utf8")) as Record<string, any>;
    const consumers = document.consumers as Array<Record<string, any>>;
    for (const template of ["templates.consumers.agentrunV02", "templates.consumers.hwlabV03"]) {
      const sourceArtifact = consumers.find((item) => item.extends === template && item.variables?.NODE === "NC01")?.sourceArtifact;
      expect(sourceArtifact?.taskRunTemplate).toEqual({ hostNetwork: true, dnsPolicy: "ClusterFirstWithHostNet", fsGroup: 1000 });
    }
  });

  test("undeclared JD01 source artifact owner fails closed", () => {
    const result = spawnSync("bun", [
      "scripts/cli.ts", "platform-infra", "pipelines-as-code", "source-artifact", "plan",
      "--target", "JD01", "--consumer", "agentrun-jd01-v02", "--source-worktree", rootPath(),
    ], { cwd: rootPath(), encoding: "utf8", timeout: 30_000 });
    expect(result.status).toBe(1);
    expect(result.stdout).toContain("code=source-artifact-operation-failed");
    expect(result.stdout).toContain("evidence=type=string");
  });
});

describe("HWLAB YAML-owned Pipeline provenance", () => {
  const ownerPath = "lanes.v03.targets.NC01.pipelineProvenance";
  const configRef = "config/hwlab-node-lanes.yaml#lanes.v03.targets.NC01";

  test("target owner parser fails closed for missing or inconsistent contracts", () => {
    expect(() => parseHwlabRuntimePipelineProvenance(undefined, ownerPath, configRef)).toThrow("must be declared by the target owner");
    expect(() => parseHwlabRuntimePipelineProvenance({
      configRef: "config/hwlab-node-lanes.yaml#lanes.v03.targets.JD01",
      renderer: "hwlab-runtime-lane",
      mode: "remote-pipeline-annotation",
    }, ownerPath, configRef)).toThrow(`must equal ${configRef}`);
    expect(() => parseHwlabRuntimePipelineProvenance({
      configRef,
      renderer: "another-renderer",
      mode: "remote-pipeline-annotation",
    }, ownerPath, configRef)).toThrow("renderer must be one of hwlab-runtime-lane");
    expect(() => parseHwlabRuntimePipelineProvenance({
      configRef,
      renderer: "hwlab-runtime-lane",
      mode: "embedded-pipeline-spec",
    }, ownerPath, configRef)).toThrow("mode must be one of remote-pipeline-annotation");
  });

  test("normal control-plane postprocess writes exactly the shared four provenance fields", () => {
    const temporary = mkdtempSync(resolve(tmpdir(), "unidesk-hwlab-pipeline-provenance-"));
    try {
      const spec = hwlabRuntimeLaneSpecForNode("v03", "NC01");
      const overlay = nodeRuntimeRenderOverlay(spec);
      const pipelineDir = resolve(temporary, spec.tektonDir);
      const pipelinePath = resolve(pipelineDir, "pipeline.yaml");
      mkdirSync(pipelineDir, { recursive: true });
      writeFileSync(pipelinePath, Bun.YAML.stringify({
        apiVersion: "tekton.dev/v1",
        kind: "Pipeline",
        metadata: { name: spec.pipeline, namespace: "hwlab-ci", annotations: { "fixture.example/keep": "true" } },
        spec: { params: [], tasks: [] },
      }));
      const overlayBase64 = Buffer.from(JSON.stringify(overlay), "utf8").toString("base64");
      const shell = [
        `render_dir=${JSON.stringify(temporary)}`,
        `overlay_b64=${JSON.stringify(overlayBase64)}`,
        ...nodeRuntimePipelineProvenancePostprocessScript(),
      ].join("\n");
      const result = spawnSync("sh", [], { cwd: rootPath(), input: shell, encoding: "utf8", timeout: 30_000 });
      expect(result.status).toBe(0);
      const rendered = Bun.YAML.parse(readFileSync(pipelinePath, "utf8")) as Record<string, any>;
      const annotations = rendered.metadata.annotations as Record<string, string>;
      const provenanceKeySet = new Set<string>(Object.values(pipelineProvenanceAnnotationKeys));
      const renderedProvenance = Object.fromEntries(Object.entries(annotations).filter(([key]) => provenanceKeySet.has(key)));
      expect(renderedProvenance).toEqual(overlay.pipelineProvenanceAnnotations);
      expect(Object.keys(renderedProvenance).sort()).toEqual(Object.values(pipelineProvenanceAnnotationKeys).sort());
      expect(annotations["fixture.example/keep"]).toBe("true");

      const invalidOverlay = { ...overlay, pipelineProvenanceAnnotations: { a: "1", b: "2", c: "3", d: "4" } };
      const invalidShell = [
        `render_dir=${JSON.stringify(temporary)}`,
        `overlay_b64=${JSON.stringify(Buffer.from(JSON.stringify(invalidOverlay), "utf8").toString("base64"))}`,
        ...nodeRuntimePipelineProvenancePostprocessScript(),
      ].join("\n");
      const invalid = spawnSync("sh", [], { cwd: rootPath(), input: invalidShell, encoding: "utf8", timeout: 30_000 });
      expect(invalid.status).not.toBe(0);
      expect(`${invalid.stdout}\n${invalid.stderr}`).toContain("shared four-key contract");
    } finally {
      rmSync(temporary, { recursive: true, force: true });
    }
  });
});

describe("Tekton admission canonicalization", () => {
  const admitted = {
    tasks: [{
      name: "build",
      taskSpec: {
        metadata: {},
        spec: null,
        params: [{ name: "input", type: "string" }],
        results: [{ name: "output", type: "string" }],
        steps: [{ name: "step", computeResources: {} }],
        sidecars: [{ name: "sidecar", computeResources: {} }],
      },
    }],
  };
  const desired = {
    tasks: [{
      name: "build",
      taskSpec: {
        params: [{ name: "input" }],
        results: [{ name: "output" }],
        steps: [{ name: "step" }],
        sidecars: [{ name: "sidecar" }],
      },
    }],
  };

  test("removes exactly the six proven defaults and keeps local/native hashes equal", () => {
    expect(canonicalizePacPipelineSpec(admitted)).toEqual(desired);
    expect(nativeCanonicalize(admitted)).toEqual(desired);
    expect(canonicalSha256(admitted)).toBe(canonicalSha256(desired));
    expect(nativeCanonicalSha256(admitted)).toBe(canonicalSha256(admitted));
  });

  test("does not strip same-name fields outside the three Pipeline spec roots", () => {
    const negative = {
      unrelated: admitted,
      tasks: [{ taskSpec: {
        metadata: { labels: {} },
        spec: {},
        params: [{ type: "array" }],
        results: [{ type: "object" }],
        steps: [{ computeResources: { requests: { cpu: "1" } } }],
        sidecars: [{ computeResources: { limits: { memory: "1Gi" } } }],
      } }],
    };
    expect(canonicalizePacPipelineSpec(negative)).toEqual(negative);
    expect(nativeCanonicalize(negative)).toEqual(negative);
  });
});

describe("source artifact serialization", () => {
  test("remote Pipeline artifacts are deterministic reviewable multi-line YAML", () => {
    const manifest = {
      apiVersion: "tekton.dev/v1",
      kind: "Pipeline",
      metadata: { name: "fixture" },
      spec: { params: [{ name: "revision", type: "string" }], tasks: [{ name: "build", taskSpec: { steps: [{ name: "build", script: "set -eu\necho ok\n" }] } }] },
    };
    const first = pacSourceArtifactYaml(manifest);
    const second = pacSourceArtifactYaml(manifest);
    expect(first).toBe(second);
    expect(first.split("\n").length).toBeGreaterThan(10);
    expect(first).toContain("apiVersion: tekton.dev/v1\nkind: Pipeline\n");
    expect(Bun.YAML.parse(first)).toEqual(manifest);
  });

  test("empty mappings and sequences have stable whitespace without changing structure", () => {
    const manifest = {
      apiVersion: "tekton.dev/v1",
      kind: "PipelineRun",
      metadata: {},
      spec: { params: [], workspaces: [], pipelineSpec: { tasks: [] } },
    };
    const serialized = pacSourceArtifactYaml(manifest);
    expect(serialized).not.toMatch(/[\t ]+$/m);
    expect(serialized.endsWith("\n")).toBe(true);
    expect(serialized.endsWith("\n\n")).toBe(false);
    expect(Bun.YAML.parse(serialized)).toEqual(manifest);
  });

  test("multi-line script scalar preserves trailing spaces and tabs exactly", () => {
    const script = [
      "#!/bin/sh  ",
      "printf 'mapping-looking scalar: '  ",
      "metadata: ",
      "  {}",
      "printf 'tab follows'\t",
      "",
    ].join("\n");
    const manifest = {
      apiVersion: "tekton.dev/v1",
      kind: "Pipeline",
      metadata: { name: "scalar-round-trip" },
      spec: { tasks: [{ name: "build", taskSpec: { steps: [{ name: "build", script }] } }] },
    };
    const serialized = pacSourceArtifactYaml(manifest);
    const parsed = Bun.YAML.parse(serialized) as typeof manifest;
    expect(parsed).toEqual(manifest);
    expect(parsed.spec.tasks[0]?.taskSpec.steps[0]?.script).toBe(script);
    expect(Buffer.from(parsed.spec.tasks[0]?.taskSpec.steps[0]?.script ?? "")).toEqual(Buffer.from(script));
    expect(serialized.endsWith("\n")).toBe(true);
    expect(serialized.endsWith("\n\n")).toBe(false);
  });

  test("round-trip failure exposes only secret-safe drift evidence", () => {
    const secret = "ROUND_TRIP_SCRIPT_SECRET_DO_NOT_PRINT";
    let reads = 0;
    const spec: Record<string, unknown> = {};
    Object.defineProperty(spec, "script", {
      enumerable: true,
      get: () => {
        reads += 1;
        return reads <= 2 ? secret : "changed-after-serialization";
      },
    });

    let thrown: unknown;
    try {
      pacSourceArtifactYaml({ apiVersion: "tekton.dev/v1", kind: "Pipeline", spec });
    } catch (error) {
      thrown = error;
    }
    expect(thrown).toBeInstanceOf(Error);
    const safe = pacSourceArtifactSafeError(thrown);
    const serializedError = JSON.stringify({
      message: thrown instanceof Error ? thrown.message : String(thrown),
      direct: thrown,
      safe,
    });
    expect(safe.code).toBe("source-artifact-yaml-round-trip-failed");
    expect(serializedError).not.toContain(secret);
    expect(serializedError).not.toContain("changed-after-serialization");
    expect(serializedError).toContain("sha256");
  });
});

describe("runtime source-commit selection", () => {
  test("same-commit retries select the newest only when spec and provenance agree", () => {
    const oldRun = pipelineRun("agentrun-nc01-v02-ci-old", "2026-07-10T00:00:00Z");
    const newRun = pipelineRun("agentrun-nc01-v02-ci-new", "2026-07-11T00:00:00Z");
    const selected = selectPipelineRunBySourceCommit([oldRun, newRun], "agentrun-nc01-v02-ci", sourceCommit);
    expect(selected.kind).toBe("ok");
    expect(selected.run.metadata.name).toBe("agentrun-nc01-v02-ci-new");
    const observed = observePacSourceArtifactRuntime(runtimeInput(), (args: string[], label: string) => label === "pipeline-get"
      ? { kind: "ok", value: pipeline() }
      : { kind: "ok", value: { items: [oldRun, newRun] } });
    expect(observed.embedded.status).toBe("aligned");
    expect(observed.embedded.name).toBe("agentrun-nc01-v02-ci-new");
    expect(observed.embedded.candidateCount).toBe(2);
    expect(observed.embedded.sourceCommit).toBe(sourceCommit);
  });

  test("same-commit conflicting embedded specs fail closed", () => {
    const observed = observePacSourceArtifactRuntime(runtimeInput(), (_args: string[], label: string) => label === "pipeline-get"
      ? { kind: "ok", value: pipeline() }
      : { kind: "ok", value: { items: [
        pipelineRun("agentrun-nc01-v02-ci-old", "2026-07-10T00:00:00Z"),
        pipelineRun("agentrun-nc01-v02-ci-new", "2026-07-11T00:00:00Z", { params: [], tasks: [{ name: "changed" }] }),
      ] } });
    expect(observed.embedded.status).toBe("unavailable");
    expect(observed.embedded.reason).toBe("source-commit-run-conflict:2");
    expect(observed.embedded.candidateCount).toBe(2);
  });

  test("embedded mode compares the complete PipelineRun wrapper", () => {
    const run = pipelineRun("agentrun-nc01-v02-ci-wrapper", "2026-07-11T00:00:00Z");
    (run.spec as Record<string, any>).taskRunTemplate.serviceAccountName = "wrong-service-account";
    const observed = observePacSourceArtifactRuntime(runtimeInput(), (_args: string[], label: string) => label === "pipeline-get"
      ? { kind: "ok", value: pipeline() }
      : { kind: "ok", value: { items: [run] } });
    expect(observed.embedded.status).toBe("drifted");
    expect(observed.embedded.firstDrift?.path).toBe("$.spec.taskRunTemplate.serviceAccountName");
  });

  test("remote mode validates Pipeline spec live and wrapper on the exact-commit Run", () => {
    const spec = hwlabRuntimeLaneSpecForNode("v03", "NC01");
    const remoteProvenance = hwlabRuntimePipelineProvenance(spec);
    const overlay = nodeRuntimeRenderOverlay(spec);
    const remoteAnnotations = overlay.pipelineProvenanceAnnotations as Record<string, string>;
    expect(spec.pipelineProvenance).toEqual({
      configRef: "config/hwlab-node-lanes.yaml#lanes.v03.targets.NC01",
      renderer: "hwlab-runtime-lane",
      mode: "remote-pipeline-annotation",
    });
    expect(remoteAnnotations).toEqual(pipelineProvenanceAnnotations(remoteProvenance));
    expect(Object.keys(remoteAnnotations).sort()).toEqual(Object.values(pipelineProvenanceAnnotationKeys).sort());
    expect(readFileSync(rootPath("scripts", "src", "hwlab-node", "render.ts"), "utf8")).not.toContain("overlay.sourceArtifactProvenance");
    expect(readFileSync(rootPath("scripts", "src", "platform-infra-pipelines-as-code-source-artifact.ts"), "utf8")).not.toContain('"unidesk.ai/owning-config-ref"');
    const wrapper = {
      mode: "remote-pipeline-annotation",
      executionMode: "pipeline-spec",
      spec: { ...runtimeWrapperSpec, timeouts: { pipeline: "1h0m0s" } },
    };
    const run = {
      metadata: {
        name: "hwlab-nc01-v03-ci-poll-remote",
        creationTimestamp: "2026-07-11T00:00:00Z",
        labels: { "pipelinesascode.tekton.dev/sha": sourceCommit },
        annotations: remoteAnnotations,
      },
      spec: { pipelineSpec: desiredSpec, ...wrapper.spec },
    };
    const input = {
      ...runtimeInput(),
      pipeline: "hwlab-nc01-v03-ci-image-publish",
      pipelineRunPrefix: "hwlab-nc01-v03-ci-poll",
      provenance: remoteProvenance,
      desiredWrapper: wrapper,
    };
    const observed = observePacSourceArtifactRuntime(input, (_args: string[], label: string) => label === "pipeline-get"
      ? { kind: "ok", value: { metadata: { name: input.pipeline, annotations: remoteAnnotations }, spec: desiredSpec } }
      : { kind: "ok", value: { items: [run] } });
    expect(observed.live.status).toBe("aligned");
    expect(observed.live.provenanceAligned).toBe(true);
    expect(observed.embedded.status).toBe("aligned");
    expect(observed.embedded.provenanceAligned).toBe(true);
    expect(observed.embedded.firstDrift).toBeNull();
  });

  test("NotFound, missing commit, and transport failures remain distinct", () => {
    const noCommit = observePacSourceArtifactRuntime(runtimeInput(null), () => ({ kind: "not-found", reason: "pipeline-get-not-found" }));
    expect(noCommit.live.status).toBe("missing");
    expect(noCommit.live.reason).toBe("pipeline-get-not-found");
    expect(noCommit.embedded.status).toBe("unavailable");
    expect(noCommit.embedded.reason).toBe("source-commit-not-specified");

    const secret = "Authorization: Bearer REVIEW_RUNTIME_SECRET https://review:password@example.invalid/path?token=QUERY_SECRET";
    const transport = observePacSourceArtifactRuntime(runtimeInput(), () => ({ kind: "unavailable", reason: secret }));
    expect(transport.live.status).toBe("unavailable");
    expect(transport.embedded.status).toBe("unavailable");
    expect(transport.live.reason).toMatch(/^runtime-observer-reason:type=string,length=\d+,sha256=[0-9a-f]{64}$/u);
    expect(transport.embedded.reason).toMatch(/^runtime-observer-reason:type=string,length=\d+,sha256=[0-9a-f]{64}$/u);
    expect(JSON.stringify(transport)).not.toContain(secret);
  });

  test("first drift reports structural evidence without script or token values", () => {
    const expectedSecret = "Authorization: Bearer EXPECTED_SUPER_SECRET";
    const actualSecret = "https://review-user:ACTUAL_SUPER_SECRET@example.invalid/path?token=QUERY_SUPER_SECRET";
    const input = {
      ...runtimeInput(),
      desiredSpec: { tasks: [{ taskSpec: { steps: [{ script: expectedSecret }] } }] },
    };
    const observed = observePacSourceArtifactRuntime(input, (_args: string[], label: string) => label === "pipeline-get"
      ? { kind: "ok", value: { metadata: { name: "pipeline", annotations: manifestAnnotations() }, spec: { tasks: [{ taskSpec: { steps: [{ script: actualSecret }] } }] } } }
      : { kind: "ok", value: { items: [pipelineRun("agentrun-nc01-v02-ci-secret", "2026-07-11T00:00:00Z", { tasks: [{ taskSpec: { steps: [{ script: actualSecret }] } }] })] } });
    const serialized = JSON.stringify(observed);
    expect(observed.live.firstDrift?.path).toBe("$.tasks[0].taskSpec.steps[0].script");
    expect(observed.live.firstDrift?.expected).toBe(pacValueEvidence(expectedSecret));
    expect(observed.live.firstDrift?.actual).toBe(pacValueEvidence(actualSecret));
    expect(serialized).not.toContain(expectedSecret);
    expect(serialized).not.toContain(actualSecret);
    expect(serialized).not.toContain("Authorization");
    expect(serialized).not.toContain("QUERY_SUPER_SECRET");
  });

  test("unknown runtime keys and forged paths are fingerprinted", () => {
    const maliciousKey = "HEADER_QUERY_SUPER_SECRET";
    const local = firstPacSourceArtifactDrift({ tasks: [], [maliciousKey]: "expected" }, { tasks: [], [maliciousKey]: "actual" });
    expect(local?.path).not.toContain(maliciousKey);
    expect(local?.path).toContain("type=string,length=");

    const maliciousInput = { ...runtimeInput(), desiredSpec: { ...desiredSpec, [maliciousKey]: "expected" } };
    const observed = observePacSourceArtifactRuntime(maliciousInput, (_args: string[], label: string) => label === "pipeline-get"
      ? { kind: "ok", value: { ...pipeline(), spec: { ...desiredSpec, [maliciousKey]: "actual" } } }
      : { kind: "ok", value: { items: [pipelineRun("agentrun-nc01-v02-ci-key", "2026-07-11T00:00:00Z", { ...desiredSpec, [maliciousKey]: "actual" })] } });
    expect(JSON.stringify(observed)).not.toContain(maliciousKey);
    expect(pacRuntimeSafePath(`$.${maliciousKey}`)).toBe(`path(${pacValueEvidence(`$.${maliciousKey}`)})`);
  });

  test("untrusted runtime annotations and identities are never echoed", () => {
    const secret = "Authorization: Bearer OBSERVER_SUPER_SECRET https://u:p@example.invalid/x?token=QUERY_SECRET";
    const annotations = {
      ...manifestAnnotations(),
      "unidesk.ai/owning-config-ref": secret,
      "unidesk.ai/effective-config-sha256": secret,
      "unidesk.ai/source-artifact-renderer": secret,
    };
    const observed = observePacSourceArtifactRuntime(runtimeInput(), (_args: string[], label: string) => label === "pipeline-get"
      ? { kind: "ok", value: { metadata: { name: secret, annotations }, spec: desiredSpec } }
      : { kind: "ok", value: { items: [{ ...pipelineRun("agentrun-nc01-v02-ci-annotation", "2026-07-11T00:00:00Z"), metadata: { name: secret, creationTimestamp: "2026-07-11T00:00:00Z", labels: { "pipelinesascode.tekton.dev/sha": sourceCommit }, annotations } }] } });
    const serialized = JSON.stringify(observed);
    expect(observed.live.provenanceAligned).toBe(false);
    expect(observed.live.configRef).toBeNull();
    expect(observed.live.effectiveConfigSha256).toBeNull();
    expect(observed.live.name).toBeNull();
    expect(serialized).not.toContain(secret);
    expect(serialized).not.toContain("OBSERVER_SUPER_SECRET");
    expect(serialized).not.toContain("QUERY_SECRET");

    const forged = pacRuntimeSourceArtifactItem({
      status: "drifted",
      name: "observer-super-secret",
      canonicalSha256: `sha256:${"c".repeat(64)}`,
      firstDrift: { path: "$.HEADER_QUERY_SUPER_SECRET", expected: secret, actual: secret },
      provenanceAligned: false,
      configRef: "SECRET/TOKEN#QUERY",
      effectiveConfigSha256: `sha256:${"d".repeat(64)}`,
      renderer: provenance.renderer,
      mode: provenance.mode,
      sourceCommit: "e".repeat(40),
      reason: secret,
      candidateCount: 1,
    }, {
      configRef: provenance.configRef,
      effectiveConfigSha256: `sha256:${"f".repeat(64)}`,
      renderer: provenance.renderer,
      mode: provenance.mode,
      sourceCommit,
      exactName: null,
      namePrefix: "agentrun-nc01-v02-ci",
    });
    const forgedSerialized = JSON.stringify(forged);
    expect(forged.name).toBeNull();
    expect(forged.configRef).toBeNull();
    expect(forged.effectiveConfigSha256).toBeNull();
    expect(forged.provenanceAligned).toBe(false);
    expect(forged.sourceCommit).toBeNull();
    expect(forged.firstDrift?.path).not.toContain("HEADER_QUERY_SUPER_SECRET");
    expect(forgedSerialized).not.toContain(secret);
    expect(forgedSerialized).not.toContain("SECRET/TOKEN#QUERY");

    const forgedAligned = pacRuntimeSourceArtifactItem({
      status: "aligned",
      provenanceAligned: true,
      configRef: provenance.configRef,
      effectiveConfigSha256: provenance.effectiveConfigSha256,
      renderer: "forged-renderer",
      mode: provenance.mode,
      sourceCommit,
      candidateCount: 1,
    }, {
      configRef: provenance.configRef,
      effectiveConfigSha256: provenance.effectiveConfigSha256,
      renderer: provenance.renderer,
      mode: provenance.mode,
      sourceCommit,
      exactName: null,
      namePrefix: null,
    });
    expect(forgedAligned.provenanceAligned).toBe(false);
  });

  test("typed runtime alignment never reports a synthetic pending state", () => {
    const aligned = observePacSourceArtifactRuntime(runtimeInput(), (_args: string[], label: string) => label === "pipeline-get"
      ? { kind: "ok", value: pipeline() }
      : { kind: "ok", value: { items: [pipelineRun("agentrun-nc01-v02-ci-aligned", "2026-07-11T00:00:00Z")] } });
    const drifted = structuredClone(aligned);
    drifted.embedded.status = "drifted";
    const exact = { head: sourceCommit, clean: true, matchesSourceCommit: true };
    expect(sourceArtifactRuntimeAlignment(null, exact, sourceCommit)).toBe("not-requested");
    expect(sourceArtifactRuntimeAlignment(aligned, exact, sourceCommit)).toBe("aligned");
    expect(sourceArtifactRuntimeAlignment(drifted, exact, sourceCommit)).toBe("drifted");
    expect(sourceArtifactRuntimeAlignment(aligned, { ...exact, clean: false }, sourceCommit)).toBe("unavailable");
    expect(JSON.stringify([aligned, drifted])).not.toContain("pending");
  });

  test("local transport and remote observer failures retain only bounded evidence", () => {
    const secret = "Authorization: Bearer TRANSPORT_SUPER_SECRET https://review:password@example.invalid/path?token=QUERY_SECRET";
    const localReason = pacRuntimeTransportFailureReason({ exitCode: 126, stdout: secret, stderr: secret });
    expect(localReason).toContain(pacValueEvidence(secret));
    expect(localReason).not.toContain(secret);
    expect(pacRuntimeSafeReason(secret)).toBe(`runtime-observer-reason:${pacValueEvidence(secret)}`);

    const temporary = mkdtempSync(resolve(tmpdir(), "unidesk-pac-runtime-redaction-test-"));
    try {
      const bin = resolve(temporary, "bin");
      mkdirSync(bin);
      const kubectl = resolve(bin, "kubectl");
      writeFileSync(kubectl, `#!/bin/sh\nprintf '%s\\n' '${secret}' >&2\nexit 126\n`);
      chmodSync(kubectl, 0o755);
      const shell = renderPacSourceArtifactRuntimeObserverShell(runtimeInput());
      const result = spawnSync("sh", [], {
        input: shell,
        encoding: "utf8",
        timeout: 30_000,
        env: { ...process.env, PATH: `${bin}:${process.env.PATH ?? ""}` },
      });
      expect(result.status).toBe(0);
      expect(result.stdout).toContain("command-failed:126:type=string");
      expect(result.stdout).not.toContain(secret);
      expect(result.stdout).not.toContain("Authorization");
      expect(result.stdout).not.toContain("QUERY_SECRET");
    } finally {
      rmSync(temporary, { recursive: true, force: true });
    }
  });

  test("temp-file transport handles a payload larger than the current 203 KiB HWLAB Pipeline", () => {
    const observerSource = readFileSync(rootPath("scripts", "native", "cicd", "pac-source-artifact-runtime.mjs"), "utf8");
    expect(observerSource).not.toMatch(/process\.env\.PAC_SOURCE_ARTIFACT_INPUT(?!_FILE)/u);
    const temporary = mkdtempSync(resolve(tmpdir(), "unidesk-pac-runtime-test-"));
    try {
      const bin = resolve(temporary, "bin");
      mkdirSync(bin);
      const hugeSpec = { params: [], tasks: [{ name: "render", taskSpec: { steps: [{ name: "render", script: "x".repeat(220 * 1024) }] } }] };
      const input = {
        namespace: "hwlab-ci",
        pipeline: "hwlab-nc01-v03-ci-image-publish",
        pipelineRunPrefix: "hwlab-nc01-v03-ci-poll",
        desiredSpec: hugeSpec,
        desiredWrapper: { mode: "embedded-pipeline-spec", executionMode: "pipeline-spec", spec: runtimeWrapperSpec },
        provenance,
        sourceCommit,
      };
      expect(Buffer.byteLength(JSON.stringify(input), "utf8")).toBeGreaterThan(203 * 1024);
      const pipelineFile = resolve(temporary, "pipeline.json");
      const runsFile = resolve(temporary, "runs.json");
      writeFileSync(pipelineFile, JSON.stringify({ metadata: { name: input.pipeline, annotations: manifestAnnotations() }, spec: hugeSpec }));
      writeFileSync(runsFile, JSON.stringify({ items: [pipelineRun("hwlab-nc01-v03-ci-poll-large", "2026-07-11T00:00:00Z", hugeSpec)] }));
      const kubectl = resolve(bin, "kubectl");
      writeFileSync(kubectl, "#!/bin/sh\nset -eu\ncase \"$2\" in pipeline) cat \"$PAC_TEST_PIPELINE\" ;; pipelinerun) cat \"$PAC_TEST_RUNS\" ;; *) exit 2 ;; esac\n");
      chmodSync(kubectl, 0o755);
      const shell = renderPacSourceArtifactRuntimeObserverShell(input);
      expect(shell).toContain("observer_input=$(mktemp)");
      expect(shell).toContain("PAC_SOURCE_ARTIFACT_INPUT_FILE=\"$observer_input\"");
      expect(shell).not.toContain("PAC_SOURCE_ARTIFACT_INPUT=");
      const result = spawnSync("sh", [], {
        input: shell,
        encoding: "utf8",
        timeout: 30_000,
        maxBuffer: 8 * 1024 * 1024,
        env: {
          ...process.env,
          PATH: `${bin}:${process.env.PATH ?? ""}`,
          PAC_TEST_PIPELINE: pipelineFile,
          PAC_TEST_RUNS: runsFile,
        },
      });
      expect(result.status).toBe(0);
      const observed = JSON.parse(result.stdout) as Record<string, any>;
      expect(observed.live.status).toBe("aligned");
      expect(observed.embedded.status).toBe("aligned");
      expect(observed.embedded.sourceCommit).toBe(sourceCommit);
    } finally {
      rmSync(temporary, { recursive: true, force: true });
    }
  });
});

describe("shared HWLAB deploy overlay", () => {
  test("preserves exact undefined/null semantics without mutating its input", () => {
    const document = {
      nodes: { NC01: { keep: "node" } },
      lanes: { v03: {
        keep: "lane",
        externalPostgres: { old: true },
        runtimeStore: { old: true },
        codeAgentRuntime: { old: true },
        gitMirror: { old: true },
        envRecipe: { keep: "recipe", downloadStack: { keep: "download" } },
      } },
    };
    const overlay = {
      nodeId: "NC01",
      lane: "v03",
      gitopsRoot: "deploy/gitops/node/nc01",
      gitUrl: "git@example/HWLAB.git",
      sourceBranch: "v0.3",
      gitopsBranch: "v0.3-gitops",
      runtimeNamespace: "hwlab-v03",
      publicApiUrl: "https://api.example",
      publicWebUrl: "https://web.example",
      catalogPath: "deploy/artifacts/nc01.yaml",
      runtimePath: "deploy/gitops/node/nc01/hwlab-v03",
      observability: { enabled: true },
      dockerProxyHttp: null,
      dockerProxyHttps: null,
      dockerNoProxyList: ["localhost"],
      externalPostgres: null,
      runtimeStore: null,
      codeAgentRuntime: null,
      deployYamlGitMirror: null,
    };
    const rendered = applyNodeRuntimeDeployYamlOverlay(document, overlay);
    expect(document.lanes.v03.externalPostgres).toEqual({ old: true });
    expect(rendered.lanes.v03).not.toHaveProperty("externalPostgres");
    expect(rendered.lanes.v03.runtimeStore).toBeNull();
    expect(rendered.lanes.v03.codeAgentRuntime).toBeNull();
    expect(rendered.lanes.v03.gitMirror).toBeNull();
    expect(rendered.lanes.v03.keep).toBe("lane");
    expect(nodeRuntimeDeployYamlOverlayShellScript().join("\n")).not.toContain(": Record<string");
  });

  test("the runtime shell helper produces the same deploy.yaml object as the pure renderer", () => {
    const temporary = mkdtempSync(resolve(tmpdir(), "unidesk-pac-overlay-test-"));
    try {
      mkdirSync(resolve(temporary, "deploy"));
      const document = { nodes: { NC01: {} }, lanes: { v03: { envRecipe: { downloadStack: {} } } } };
      const overlay = {
        nodeId: "NC01", lane: "v03", gitopsRoot: "deploy/gitops/node/nc01", gitUrl: "git@example/HWLAB.git",
        sourceBranch: "v0.3", gitopsBranch: "v0.3-gitops", runtimeNamespace: "hwlab-v03",
        publicApiUrl: "https://api.example", publicWebUrl: "https://web.example", catalogPath: "deploy/artifacts/nc01.yaml",
        runtimePath: "deploy/gitops/node/nc01/hwlab-v03", observability: { enabled: true },
        dockerProxyHttp: "http://proxy", dockerProxyHttps: "http://proxy", dockerNoProxyList: ["localhost"],
        externalPostgres: { host: "postgres" }, runtimeStore: { mode: "postgres" }, codeAgentRuntime: { enabled: true },
        deployYamlGitMirror: { readUrl: "http://mirror" },
      };
      writeFileSync(resolve(temporary, "deploy", "deploy.yaml"), Bun.YAML.stringify(document));
      const overlayBase64 = Buffer.from(JSON.stringify(overlay), "utf8").toString("base64");
      const shell = [`overlay_b64='${overlayBase64}'`, ...nodeRuntimeDeployYamlOverlayShellScript()].join("\n");
      const result = spawnSync("sh", [], {
        cwd: temporary,
        input: shell,
        encoding: "utf8",
        timeout: 30_000,
        env: { ...process.env, NODE_PATH: resolve(rootPath(), "node_modules") },
      });
      expect(result.status).toBe(0);
      const shellRendered = Bun.YAML.parse(readFileSync(resolve(temporary, "deploy", "deploy.yaml"), "utf8")) as Record<string, unknown>;
      expect(shellRendered).toEqual(applyNodeRuntimeDeployYamlOverlay(document, overlay));
    } finally {
      rmSync(temporary, { recursive: true, force: true });
    }
  });
});