#!/usr/bin/env node

import { execFile } from 'node:child_process';
import { mkdir, writeFile } from 'node:fs/promises';
import { arch, platform, release } from 'node:os';
import { dirname, resolve } from 'node:path';
import { pathToFileURL } from 'node:url';

import { verifyPiProductArtifact } from './lib/pi-product-artifact.mjs';
import { runLocalProviderContracts } from './probe-pi-provider-contracts.mjs';
import { parsePiArtifactVerifierArgs } from './verify-pi-product-artifact.mjs';
import { runProbe } from './probe-pi-runtime.mjs';
import { runPackagedProductProof } from './run-pi-subagent-packaged-smoke.mjs';

function runGit(projectRoot, args) {
  return new Promise((resolvePromise, reject) => {
    execFile('git', args, { cwd: projectRoot, windowsHide: true }, (error, stdout) => {
      if (error) reject(error);
      else resolvePromise(stdout.trim());
    });
  });
}

async function gitEvidence(projectRoot) {
  const [commit, status] = await Promise.all([
    runGit(projectRoot, ['rev-parse', 'HEAD']),
    runGit(projectRoot, ['status', '--porcelain']),
  ]);
  return { commit, dirty: Boolean(status) };
}

async function runExtensionSmoke(projectRoot, artifact) {
  return await runPackagedProductProof({
    projectRoot,
    runtimeRoot: artifact.artifact.runtimeRoot,
    electronExecutable: artifact.artifact.executable,
    reportPath: undefined,
    verifyCleanupFailure: true,
  });
}

export async function runRealPiSmoke(options) {
  const git = await gitEvidence(options.projectRoot);
  const artifact = await verifyPiProductArtifact(options);
  const common = {
    samples: options.samples,
    timeoutMs: options.timeoutMs,
    stage: false,
    keepStage: false,
    reportPath: undefined,
    providerFixturePath: undefined,
    imagePath: undefined,
    electronExecutablePath: artifact.artifact.executable,
    cliPath: artifact.artifact.cliPath,
    artifactLabel: 'final-makelore-product-artifact',
  };
  const runtime = await runProbe(common, options.projectRoot);
  if (runtime.result === 'fail') throw new Error('Final product Pi runtime lifecycle smoke failed');
  const providerContracts = await runLocalProviderContracts(common, options.projectRoot);
  const extensionAndSubagent = await runExtensionSmoke(options.projectRoot, artifact);
  const report = {
    schemaVersion: 1,
    generatedAt: new Date().toISOString(),
    commit: git.commit,
    git,
    platform: { platform: platform(), arch: arch() },
    scope: {
      finalProductArtifact: true,
      actualPackagedPiProcess: true,
      providerEndpoint: 'controlled-127.0.0.1-provider-shaped',
      realProvider: false,
      realTurnVerified: false,
      realProviderDecision: 'explicitly-waived-accepted-risk',
    },
    artifact,
    runtime,
    providerContracts,
    extensionAndSubagent,
    coverage: {
      session: runtime.session.sessionIdPreserved,
      prompt: runtime.session.promptAccepted,
      tool: runtime.session.shellOutputMatched,
      abort: runtime.localIsolation.abortIsolated,
      settled: runtime.session.agentSettled,
      reopen: runtime.session.sessionIdPreserved,
      twoWorkerOverlap: providerContracts.protocols.every(
        ({ qualification }) => qualification.overlapMs > 0,
      ),
      twoWorkerIsolation: providerContracts.protocols.every(
        ({ qualification }) => qualification.distinctSessionIds,
      ),
      providerAbortIsolation: providerContracts.protocols.every(
        ({ qualification }) => qualification.abortIsolation.passed,
      ),
      subagent: extensionAndSubagent.result === 'pass',
      shutdown: runtime.performance.exitModes.every((mode) => mode === 'stdin-close'),
    },
    result: 'pass',
    crossPlatformReleaseReady: false,
    releaseBlockers: platform() === 'linux' && !release().toLowerCase().includes('microsoft')
      ? []
      : ['Native non-WSL Linux desktop/compositor PI-150 evidence is not established by this report'],
    deferredToPi160: [
      'macOS x64 and macOS arm64 final release validation was skipped by explicit user direction and remains Not Pass',
    ],
  };
  if (Object.values(report.coverage).some((value) => value !== true)) {
    throw new Error(`Final product Pi smoke coverage failed: ${JSON.stringify(report.coverage)}`);
  }
  if (options.reportPath) {
    await mkdir(dirname(options.reportPath), { recursive: true });
    await writeFile(options.reportPath, `${JSON.stringify(report, null, 2)}\n`);
  }
  return report;
}

async function main() {
  const options = parsePiArtifactVerifierArgs(process.argv.slice(2));
  if (options.help) {
    process.stdout.write('Usage: node scripts/smoke-pi-real.mjs [--app-exe path] [--samples count] [--timeout-ms ms] [--report path]\n');
    return;
  }
  const report = await runRealPiSmoke(options);
  process.stdout.write(`${JSON.stringify(report, null, 2)}\n`);
}

const isMain = process.argv[1]
  && pathToFileURL(resolve(process.argv[1])).href === import.meta.url;
if (isMain) {
  main().catch((error) => {
    process.stderr.write(`${error.stack ?? error.message}\n`);
    process.exitCode = 1;
  });
}