import os
import re

def convert_text(text):
    def replace_ruby(match):
        word = match.group(1)
        dots = '・' * len(word)
        return f"[[rb:{word}>{dots}]]"
    
    text = re.sub(r'《《(.*?)》》', replace_ruby, text)
    return text

def process_file(input_path, output_path):
    with open(input_path, 'r', encoding='utf-8') as f:
        content = f.read()
    
    converted_content = convert_text(content)
    
    os.makedirs(os.path.dirname(output_path), exist_ok=True)
    with open(output_path, 'w', encoding='utf-8') as f:
        f.write(converted_content)

def process_all_files(input_dir, output_dir):
    os.makedirs(output_dir, exist_ok=True)
    for filename in os.listdir(input_dir):
        if filename.endswith(".txt"):
            input_path = os.path.join(input_dir, filename)
            output_path = os.path.join(output_dir, filename)
            process_file(input_path, output_path)
            print(f"変換が完了しました: {output_path}")


input_dir = "input"
output_dir = "output"
process_all_files(input_dir, output_dir)