import os
import re

class TextFinder:
    def __init__(self, folder):
        self.folder = folder

    def find_matches(self, pattern):
        matches = []
        pattern = pattern.lower()  # Convert pattern to lowercase
        for root, _, files in os.walk(self.folder):
            for file in files:
                file_path = os.path.join(root, file)

                if os.path.isfile(file_path):
                    with open(file_path, 'r', encoding='utf-8') as f:
                        content = f.read()
                        paragraphs = re.split(r'\n\s*\n', content)  # Split text into paragraphs
                        for paragraph in paragraphs:
                            if pattern in paragraph.lower():  # Convert paragraph to lowercase for comparison
                                matches.append({"Find_text":paragraph.strip(),"Book_source":file_path.split("/")[-1].split(".")[0]})
        return matches

# Example usage:
if __name__ == "__main__":
    finder = TextFinder('example_folder')
    matches = finder.find_matches('text_to_find')
    print(matches)