import git from 'isomorphic-git';
import fs from 'fs';
import path from 'path';

const dir = process.cwd();

async function run() {
  // 1. Initialize git repo if not present
  try {
    await git.init({ fs, dir, defaultBranch: 'main' });
    console.log('Git repository initialized.');
  } catch (err) {
    console.log('Git init note:', err.message);
  }

  // 2. Scan and stage files ignoring node_modules, .next, .git
  console.log('Scanning repository files...');
  const matrix = await git.statusMatrix({
    fs,
    dir,
    filter: (filepath) => {
      if (filepath.startsWith('node_modules')) return false;
      if (filepath.startsWith('.next')) return false;
      if (filepath.startsWith('.git')) return false;
      return true;
    }
  });

  let stagedCount = 0;
  for (const [filepath, headStatus, workdirStatus, stageStatus] of matrix) {
    if (workdirStatus === 0) {
      await git.remove({ fs, dir, filepath });
    } else {
      await git.add({ fs, dir, filepath });
      stagedCount++;
    }
  }
  console.log(`Staged ${stagedCount} files.`);

  // 3. Create Commit
  const sha = await git.commit({
    fs,
    dir,
    author: {
      name: 'Parth',
      email: 'parth@example.com',
    },
    message: 'added 1RM and macro calculators to fitness dashboard.',
  });

  console.log(`Commit created successfully: ${sha}`);

  // 4. Verify Log
  const commits = await git.log({ fs, dir, depth: 3 });
  console.log('\n--- Git Commit Log ---');
  commits.forEach(c => {
    console.log(`Commit: ${c.oid.slice(0, 7)} | Author: ${c.commit.author.name} | Message: ${c.commit.message.trim()}`);
  });
}

run().catch((err) => {
  console.error('Error committing:', err);
  process.exit(1);
});