#!/usr/bin/env node
import { writeFile } from "node:fs/promises";
import path from "node:path";

import {
  buildReport,
  formatCheckSummary,
  renderMarkdown,
  repoRoot
} from "./src/dev-evidence-blocker-aggregator.mjs";

function hasFlag(name) {
  return process.argv.includes(name);
}

try {
  const report = await buildReport();
  const wroteReports = hasFlag("--write-report");

  if (wroteReports) {
    const jsonPath = path.join(repoRoot, "reports/dev-gate/dev-m5-gate-aggregator-v2.json");
    const markdownPath = path.join(repoRoot, "reports/dev-gate/dev-m5-gate-aggregator-v2.md");
    await writeFile(jsonPath, `${JSON.stringify(report, null, 2)}\n`);
    await writeFile(markdownPath, renderMarkdown(report));
  }

  if (hasFlag("--check")) {
    process.stdout.write(`${JSON.stringify(formatCheckSummary(report))}\n`);
  } else if (hasFlag("--markdown")) {
    process.stdout.write(renderMarkdown(report));
  } else if (wroteReports) {
    process.stdout.write(`${JSON.stringify({
      ...formatCheckSummary(report),
      wrote: [
        "reports/dev-gate/dev-m5-gate-aggregator-v2.json",
        "reports/dev-gate/dev-m5-gate-aggregator-v2.md"
      ]
    })}\n`);
  } else {
    process.stdout.write(`${JSON.stringify(report, null, hasFlag("--pretty") ? 2 : 0)}\n`);
  }
} catch (error) {
  const message = error instanceof Error ? error.message : String(error);
  process.stderr.write(`${JSON.stringify({ ok: false, error: message })}\n`);
  process.exitCode = 1;
}