import fs from 'fs';
import path from 'path';

const rawData = fs.readFileSync('./tmp_posts.json', 'utf8');
const data = JSON.parse(rawData);

function parseNode(node) {
  if (node.type === 'text') {
    let text = node.text;
    if (node.format === 1) text = `**${text}**`;
    if (node.format === 2) text = `*${text}*`;
    if (node.format === 8) text = `\`${text}\``;
    return text;
  }
  
  if (node.type === 'paragraph') {
    return node.children.map(parseNode).join('') + '\n\n';
  }
  
  if (node.type === 'heading') {
    const level = node.tag ? node.tag.replace('h', '') : '2';
    const hashes = '#'.repeat(parseInt(level));
    return `${hashes} ${node.children.map(parseNode).join('')}\n\n`;
  }
  
  if (node.type === 'list') {
    const isOrdered = node.listType === 'number';
    return node.children.map((li, i) => {
      const prefix = isOrdered ? `${i + 1}.` : '-';
      return `${prefix} ${li.children.map(parseNode).join('')}`;
    }).join('\n') + '\n\n';
  }
  
  if (node.type === 'quote') {
    return `> ${node.children.map(parseNode).join('')}\n\n`;
  }
  
  if (node.type === 'link') {
    return `[${node.children.map(parseNode).join('')}](${node.fields.url})`;
  }
  
  if (node.children) {
    return node.children.map(parseNode).join('');
  }
  
  return '';
}

const outDir = './apps/web/src/content/posts';
fs.mkdirSync(outDir, { recursive: true });

for (const post of data.docs) {
  const frontmatter = `---
title: "${post.title.replace(/"/g, '\\"')}"
date: "${post.date}"
description: "${post.description ? post.description.replace(/"/g, '\\"') : ''}"
tags: [${(post.tags || []).map(t => `"${t.tag}"`).join(', ')}]
---

`;

  let markdown = frontmatter;
  if (post.content && post.content.root && post.content.root.children) {
    markdown += post.content.root.children.map(parseNode).join('');
  }
  
  const filename = `${post.slug}.mdx`;
  fs.writeFileSync(path.join(outDir, filename), markdown.trim() + '\n');
  console.log(`Wrote ${filename}`);
}