#!/usr/bin/env node
const { readStdin, hookEnabled } = require('./adapter');

function splitShellSegments(command) {
  const segments = [];
  let current = '';
  let quote = null;

  for (let i = 0; i < command.length; i++) {
    const ch = command[i];
    if (quote) {
      if (ch === quote) quote = null;
      current += ch;
      continue;
    }

    if (ch === '"' || ch === "'") {
      quote = ch;
      current += ch;
      continue;
    }

    const next = command[i + 1] || '';
    if (ch === ';' || (ch === '&' && next === '&') || (ch === '|' && next === '|') || (ch === '&' && next !== '&')) {
      if (current.trim()) segments.push(current.trim());
      current = '';
      if ((ch === '&' && next === '&') || (ch === '|' && next === '|')) i++;
      continue;
    }

    current += ch;
  }

  if (current.trim()) segments.push(current.trim());
  return segments;
}

readStdin().then(raw => {
  try {
    const input = JSON.parse(raw || '{}');
    const cmd = String(input.command || input.args?.command || '');

    if (hookEnabled('pre:bash:dev-server-block', ['standard', 'strict']) && process.platform !== 'win32') {
      const segments = splitShellSegments(cmd);
      const tmuxLauncher = /^\s*tmux\s+(new|new-session|new-window|split-window)\b/;
      const devPattern = /\b(npm\s+run\s+dev|pnpm(?:\s+run)?\s+dev|yarn\s+dev|bun\s+run\s+dev)\b/;
      const hasBlockedDev = segments.some(segment => devPattern.test(segment) && !tmuxLauncher.test(segment));
      if (hasBlockedDev) {
        console.error('[ECC] BLOCKED: Dev server must run in tmux for log access');
        console.error('[ECC] Use: tmux new-session -d -s dev "npm run dev"');
        process.exit(2);
      }
    }

    if (
      hookEnabled('pre:bash:tmux-reminder', ['strict']) &&
      process.platform !== 'win32' &&
      !process.env.TMUX &&
      /(npm (install|test)|pnpm (install|test)|yarn (install|test)?|bun (install|test)|cargo build|make\b|docker\b|pytest|vitest|playwright)/.test(cmd)
    ) {
      console.error('[ECC] Consider running in tmux for session persistence');
    }

    if (hookEnabled('pre:bash:git-push-reminder', ['strict']) && /\bgit\s+push\b/.test(cmd)) {
      console.error('[ECC] Review changes before push: git diff origin/main...HEAD');
    }
  } catch {
    // noop
  }

  process.stdout.write(raw);
}).catch(() => process.exit(0));