#!/usr/bin/env python3
"""
Restore Math Vision prompts to original format (remove the multiple choice instruction).

This script removes the "If it is a multiple choice question, directly give the option letter." instruction.
"""

import json
import os


def restore_prompt(prompt: str) -> str:
    """
    Restore prompt to original format by removing the multiple choice instruction.
    
    Current: "Solve the problem and output the answer in the format of \\boxed{your answer}. If it is a multiple choice question, directly give the option letter.\\n Question:"
    Restore to: "Solve the problem and output the answer in the format of \\boxed{your answer}.\\n Question:"
    """
    current_text = "Solve the problem and output the answer in the format of \\boxed{your answer}. If it is a multiple choice question, directly give the option letter.\\n Question:"
    original_text = "Solve the problem and output the answer in the format of \\boxed{your answer}.\\n Question:"
    
    if current_text in prompt:
        return prompt.replace(current_text, original_text)
    else:
        # Already in original format
        return prompt


def restore_json_file(file_path: str) -> dict:
    """
    Restore a JSON file to original prompt format.
    
    Returns:
        dict with statistics: total, restored, skipped
    """
    print(f"\n处理文件: {file_path}")
    
    # Load JSON
    with open(file_path, 'r', encoding='utf-8') as f:
        data = json.load(f)
    
    # Restore prompts
    total = len(data)
    restored = 0
    
    for item in data:
        old_prompt = item.get('prompt', '')
        new_prompt = restore_prompt(old_prompt)
        
        if new_prompt != old_prompt:
            item['prompt'] = new_prompt
            restored += 1
    
    # Save updated JSON
    with open(file_path, 'w', encoding='utf-8') as f:
        json.dump(data, f, ensure_ascii=False, indent=2)
    
    stats = {
        'total': total,
        'restored': restored,
        'skipped': total - restored
    }
    
    print(f"  ✓ 总样本数: {stats['total']}")
    print(f"  ✓ 已恢复: {stats['restored']}")
    print(f"  ✓ 跳过: {stats['skipped']}")
    
    return stats


def main():
    data_dir = "data/math_vision"
    
    if not os.path.exists(data_dir):
        print(f"错误: 目录不存在: {data_dir}")
        return
    
    print("=" * 80)
    print("Math Vision Prompt 恢复脚本")
    print("=" * 80)
    print(f"数据目录: {data_dir}")
    print(f"恢复内容: 删除 'If it is a multiple choice question, directly give the option letter.' 指令")
    
    # Find all JSON files
    json_files = ['train.json', 'valid.json', 'test.json']
    
    total_stats = {'total': 0, 'restored': 0, 'skipped': 0}
    
    for filename in json_files:
        file_path = os.path.join(data_dir, filename)
        
        if not os.path.exists(file_path):
            print(f"\n⚠ 跳过不存在的文件: {file_path}")
            continue
        
        stats = restore_json_file(file_path)
        total_stats['total'] += stats['total']
        total_stats['restored'] += stats['restored']
        total_stats['skipped'] += stats['skipped']
    
    print("\n" + "=" * 80)
    print("总结")
    print("=" * 80)
    print(f"总样本数: {total_stats['total']}")
    print(f"已恢复: {total_stats['restored']}")
    print(f"跳过: {total_stats['skipped']}")
    print(f"\n✓ 完成！所有prompt已恢复到原始格式。")
    

if __name__ == "__main__":
    main()