import json
import os
import shutil
import random
from pathlib import Path

def split_jsonl(task_folder):
    # Path to the all.jsonl file
    all_file = Path(task_folder) / "all.jsonl"
    
    if not all_file.exists():
        print(f"Skipping {task_folder}: No all.jsonl file found")
        return
    
    # Read all lines from all.jsonl
    with open(all_file, 'r', encoding='utf-8') as f:
        lines = f.readlines()
    
    # Make sure we have at least 5 entries
    if len(lines) < 5:
        print(f"Warning: {task_folder} has fewer than 5 entries")
        return
    
    # Take first 5 entries for dev set
    dev_lines = lines[:5]
    
    # Get remaining lines for test set
    test_lines = lines[5:]
    
    
    # # Randomly select 5 entries for dev set
    # dev_indices = random.sample(range(len(lines)), 5)
    # dev_lines = [lines[i] for i in dev_indices]
    # Write dev.jsonl
    with open(all_file.parent / "dev.jsonl", 'w', encoding='utf-8') as f:
        f.writelines(dev_lines)
    
    # Write test.jsonl
    with open(all_file.parent / "test.jsonl", 'w', encoding='utf-8') as f:
        f.writelines(test_lines)
    
    print(f"Processed {task_folder}:")
    print(f"  - Dev set: 5 entries")
    print(f"  - Test set: {len(test_lines)} entries")

def main():
    # Get the base directory containing task folders
    base_dir = Path("PUB")
    
    # Process each task folder
    for task_folder in base_dir.glob("task_*"):
        if task_folder.is_dir():
            split_jsonl(task_folder)

if __name__ == "__main__":
    main()