// SQLite reliability stress proof exercises snapshots during concurrent writes.
import fs from "node:fs";
import path from "node:path";
import { pathToFileURL } from "node:url";
import { CliUsageError, parseSqliteReliabilityCli } from "./lib/sqlite-reliability-cli.js";
import type { ReliabilityReport } from "./lib/sqlite-reliability-contract.js";

function printUsage(): void {
  console.log(`OpenClaw SQLite reliability stress proof

Usage:
  node --import tsx scripts/bench-sqlite-reliability.ts [options]

Options:
  --profile <smoke|default|large>  Stress profile (default: default)
  --agent <id>                     Stress one per-agent database (default: global)
  --state-dir <path>               Reuse a state directory and retain proof artifacts
  --repository <path>              Snapshot repository path
  --output <path>                  Write machine-readable JSON report
  --help                           Show this text
`);
}

function printProofLines(report: ReliabilityReport): void {
  console.log(`SQLITE_RELIABILITY_PROFILE=${report.profile}`);
  console.log(`SQLITE_RELIABILITY_TARGET=${report.target}`);
  console.log(`SQLITE_RELIABILITY_PLATFORM=${report.platform}`);
  console.log(`SQLITE_RELIABILITY_ARCH=${report.arch}`);
  console.log(`SQLITE_RELIABILITY_ITERATIONS=${report.iterations}`);
  console.log(`SQLITE_RELIABILITY_RETAINED_BATCHES=${report.retainedBatches}`);
  console.log(
    `SQLITE_RELIABILITY_CONCURRENT_RESTORES_VERIFIED=${report.concurrentRestoresVerified}`,
  );
  console.log(`SQLITE_RELIABILITY_RESTORES_VERIFIED=${report.restoresVerified}`);
  console.log(`SQLITE_RELIABILITY_WRITER_ROWS=${report.writer.rowsCommitted}`);
  console.log(
    `SQLITE_RELIABILITY_WAL_SENTINEL=${report.transactionProof.committedWalSentinel ? "verified" : "missing"}`,
  );
  console.log(`SQLITE_RELIABILITY_HELD_BATCH=${report.transactionProof.heldBatch}`);
  console.log(`SQLITE_RELIABILITY_SNAPSHOT_P95_MS=${report.timingsMs.snapshotP95.toFixed(3)}`);
  console.log(`SQLITE_RELIABILITY_RESTORE_P95_MS=${report.timingsMs.restoreP95.toFixed(3)}`);
  console.log(`SQLITE_RELIABILITY_SNAPSHOT_BYTES_MAX=${report.snapshotBytes.max}`);
  console.log(
    `SQLITE_RELIABILITY_COMPACT_RECLAIMED_BYTES=${report.maintenanceProof.compaction.reclaimedBytes}`,
  );
  console.log(
    `SQLITE_RELIABILITY_POST_COMPACT_RESTORE=${report.maintenanceProof.postCompact.restoreVerified ? "verified" : "missing"}`,
  );
  console.log(`SQLITE_RELIABILITY_FINAL_ROWS=${report.maintenanceProof.postCompact.state.rows}`);
  console.log(
    `SQLITE_RELIABILITY_FINAL_STATE_SHA256=${report.maintenanceProof.postCompact.state.sha256}`,
  );
  console.log(`SQLITE_RELIABILITY_WAL_PEAK_BYTES=${report.walBytes.peak}`);
  console.log(`SQLITE_RELIABILITY_WAL_LIMIT_BYTES=${report.walBytes.limit}`);
}

async function main(argv: string[]): Promise<void> {
  try {
    const cli = parseSqliteReliabilityCli(argv);
    if (cli.help) {
      printUsage();
      return;
    }
    const { options } = cli;
    const { runReliabilityStress } = await import("./lib/sqlite-reliability-runner.js");
    const report = await runReliabilityStress(options);
    if (options.output) {
      fs.mkdirSync(path.dirname(options.output), { recursive: true });
      fs.writeFileSync(options.output, `${JSON.stringify(report, null, 2)}\n`, "utf8");
    }
    printProofLines(report);
  } catch (error) {
    if (error instanceof CliUsageError) {
      console.error(`error: ${error.message}`);
      process.exitCode = 2;
      return;
    }
    throw error;
  }
}

if (import.meta.url === pathToFileURL(process.argv[1] ?? "").href) {
  await main(process.argv.slice(2));
}