import { spawnSync } from "node:child_process";
import fs from "node:fs";
import path from "node:path";
import { fileURLToPath } from "node:url";

const projectRoot = path.resolve(path.dirname(fileURLToPath(import.meta.url)), "..");
const npmCommand = process.platform === "win32" ? "npm.cmd" : "npm";
const steps = [
  { id: "dev-cleanup-safety", command: npmCommand, args: ["run", "dev-cleanup:test"] },
  { id: "native-helper-safety", command: npmCommand, args: ["run", "helper:test"] },
  { id: "lint", command: npmCommand, args: ["run", "lint"] },
  { id: "tests", command: npmCommand, args: ["test"] },
  { id: "ocr-eval", command: npmCommand, args: ["run", "eval"] },
  { id: "assessment-self-test", command: npmCommand, args: ["run", "scan:assessment:test"] },
  { id: "saved-native-validation", command: npmCommand, args: ["run", "scan:native:validate:saved"] },
  { id: "package-offline-check", command: npmCommand, args: ["run", "package:offline-check"] },
  { id: "dependency-audit", command: npmCommand, args: ["audit"] },
  { id: "production-dependency-audit", command: npmCommand, args: ["audit", "--omit=dev"] },
  { id: "git-diff-check", command: "git", args: ["diff", "--check"] },
];

const startedAt = new Date();
const results = [];
for (const step of steps) {
  const stepStartedAt = Date.now();
  console.log(`\n=== Offline acceptance: ${step.id} ===`);
  const invocation = commandInvocation(step);
  const result = spawnSync(invocation.command, invocation.args, {
    cwd: projectRoot,
    encoding: "utf8",
    stdio: "inherit",
    windowsHide: true,
  });
  results.push({
    id: step.id,
    ok: result.status === 0 && !result.error,
    exitCode: result.status,
    signal: result.signal,
    error: result.error?.message ?? null,
    elapsedMs: Date.now() - stepStartedAt,
  });
}

const outputDir = path.join(projectRoot, "outputs", "offline-acceptance");
fs.mkdirSync(outputDir, { recursive: true });
const reportPath = path.join(outputDir, "offline-acceptance-report.json");
const report = {
  version: "offline-acceptance-v2",
  startedAt: startedAt.toISOString(),
  completedAt: new Date().toISOString(),
  ok: results.every((result) => result.ok),
  projectRoot,
  results,
};
fs.writeFileSync(reportPath, JSON.stringify(report, null, 2), "utf8");

console.log(`\nOffline acceptance: ${report.ok ? "PASS" : "FAIL"}`);
for (const result of results) {
  console.log(`${result.ok ? "PASS" : "FAIL"} ${result.id} (${result.elapsedMs} ms)`);
}
console.log(`Report: ${reportPath}`);
if (!report.ok) process.exitCode = 1;

function commandInvocation(step) {
  if (process.platform !== "win32" || !step.command.endsWith(".cmd")) return step;
  const tokens = [step.command, ...step.args];
  if (tokens.some((token) => !/^[A-Za-z0-9:._=@/-]+$/.test(token))) {
    throw new Error(`Unsafe Windows command token in offline acceptance step ${step.id}.`);
  }
  return {
    command: process.env.ComSpec || "cmd.exe",
    args: ["/d", "/s", "/c", tokens.join(" ")],
  };
}