import { readdirSync, existsSync, mkdirSync, cpSync } from 'node:fs';
import { join } from 'node:path';
import { SEED_PATH, DATA_PATH } from './data-path';

const SEED_TASKS_DIR = join(SEED_PATH, 'tasks');
const GLOBAL_TASKS_DIR = join(DATA_PATH, 'tasks');

export function syncSeedTasks(): void {
  if (!existsSync(SEED_TASKS_DIR)) return;

  mkdirSync(GLOBAL_TASKS_DIR, { recursive: true });

  const seedEntries = readdirSync(SEED_TASKS_DIR, { withFileTypes: true });

  for (const entry of seedEntries) {
    if (!entry.isDirectory()) continue;

    const seedTaskDir = join(SEED_TASKS_DIR, entry.name);
    const taskFile = join(seedTaskDir, 'TASK.md');
    if (!existsSync(taskFile)) continue;

    const targetDir = join(GLOBAL_TASKS_DIR, entry.name);

    if (existsSync(targetDir)) {
      // Task already exists in DATA_PATH — skip to preserve user edits
      continue;
    }

    cpSync(seedTaskDir, targetDir, { recursive: true });
    console.log(`[tasks] Synced seed task: ${entry.name}`);
  }
}