const sourceText = await Bun.file(new URL("./src/gc-remote.ts", import.meta.url)).text();

function assertCondition(condition: unknown, message: string, detail: unknown = {}): void {
  if (!condition) throw new Error(`${message}: ${JSON.stringify(detail)}`);
}

function functionBody(name: string): string {
  const marker = `def ${name}(`;
  const start = sourceText.indexOf(marker);
  if (start < 0) return "";
  const next = sourceText.indexOf("\ndef ", start + marker.length);
  return sourceText.slice(start, next < 0 ? sourceText.length : next);
}

assertCondition(
  sourceText.includes('if (subaction === "snapshot" || subaction === "growth")')
    && sourceText.includes('if (subaction === "trend")')
    && sourceText.includes('supportedActions: ["plan", "snapshot", "trend", "run", "status"]'),
  "gc remote must expose snapshot/growth and trend actions",
);

assertCondition(
  sourceText.includes("historyLimit: number")
    && sourceText.includes("saveSnapshot: boolean")
    && sourceText.includes("--history-limit")
    && sourceText.includes("--no-save"),
  "gc remote snapshot must expose bounded history and no-save options",
);

const snapshotBody = functionBody("collect_growth_snapshot");
assertCondition(
  snapshotBody.includes('"action": "gc remote snapshot"')
    && snapshotBody.includes('"diagnosticStateMutation"')
    && snapshotBody.includes("disk_source_snapshot()")
    && snapshotBody.includes("ci_storage_snapshot()")
    && snapshotBody.includes("registry_growth_snapshot()")
    && snapshotBody.includes("containerd_breakdown_snapshot()"),
  "growth snapshot must include disk sources, CI PVC ownership, registry, containerd and diagnostic-state disclosure",
  snapshotBody.slice(0, 1200),
);

const storageBody = functionBody("ci_storage_snapshot");
assertCondition(
  storageBody.includes('"hwlab"')
    && storageBody.includes('"agentrun"')
    && storageBody.includes('"byOwnerGroup"')
    && storageBody.includes("hwlab g14 control-plane cleanup-runs")
    && storageBody.includes("agentrun control-plane cleanup-runs")
    && storageBody.includes("hostPath")
    && storageBody.includes("activeMountPods")
    && storageBody.includes("estimatedBytes")
    && storageBody.includes('phase in set(["Succeeded", "Failed"])'),
  "CI storage snapshot must keep HWLAB and AgentRun owner handoff plus reclaim visibility",
  storageBody.slice(0, 1600),
);

const registryBody = functionBody("registry_growth_snapshot");
assertCondition(
  registryBody.includes('"dryRun": "daily or before/after every v0.2 CI/CD burst"')
    && registryBody.includes('"maintenanceRun": "weekly, or when root >=80%, or when registry growth exceeds the agreed daily threshold"')
    && registryBody.includes("plan_registry_retention()")
    && registryBody.includes("protected tags")
    && registryBody.includes("newest N tags per repo"),
  "registry growth snapshot must disclose dry-run cadence, maintenance trigger and retention protections",
  registryBody,
);

const containerdBody = functionBody("containerd_breakdown_snapshot");
assertCondition(
  containerdBody.includes('"state": "observation-only"')
    && containerdBody.includes('"cleanupSupported": False')
    && containerdBody.includes("reference-safe image/content classifier"),
  "containerd section must stay observation-only until a safe classifier exists",
  containerdBody,
);

const trendBody = functionBody("growth_trend_payload");
assertCondition(
  trendBody.includes('"latestDelta"')
    && trendBody.includes('"windowDelta"')
    && trendBody.includes('"short-window-rate-noisy"')
    && trendBody.includes('"topGrowingBytes"')
    && trendBody.includes('"registryCounters"'),
  "growth trend must expose latest/window delta and registry counters",
  trendBody,
);

const compactPointBody = functionBody("compact_growth_point");
assertCondition(
  compactPointBody.includes('"sourceCount"')
    && compactPointBody.includes('"registry"')
    && compactPointBody.includes('"ciStorage"')
    && compactPointBody.includes('"containerd"')
    && sourceText.includes("[compact_growth_point(item) for item in history[-min(len(history), 3):]]"),
  "growth trend must default to compact history points unless --full is requested",
  compactPointBody,
);

console.log(JSON.stringify({
  ok: true,
  checks: [
    "gc remote exposes snapshot/growth and trend actions",
    "snapshot history is bounded and can be disabled with --no-save",
    "snapshot includes source sizes, owner-aware CI PVCs, registry cadence and containerd observation",
    "HWLAB and AgentRun retention handoff commands are explicit",
    "trend includes latest/window deltas and registry counters",
    "trend returns compact history points by default",
  ],
}));