import os
import re

# pattern = re.compile(":::spoiler Gitlab sync([^:]*):::")
# pattern = re.compile("[^:]*:::")


def find_metadata(filename):
    with open(filename, "r") as file:
        print(f"File: {filename}")
        data = file.read()

        metadata = {}

        start_strings = [ ":::spoiler Gitlab sync\n" , ":::spoiler git drive sync\n" ]
        end_str = "\n:::"

        for start_str in start_strings:
            start_i = data.find(start_str)
            if start_i >= 0:
                start_i += len(start_str)
                end_i = data.find(end_str, start_i + 1)
                file_data = data[start_i:end_i]
                for line in file_data.split("\n"):
                    key_index = 2
                    value_index = line.find(": ")
                    key = line[key_index:value_index]
                    value = line[value_index + 2 :]
                    metadata[key] = value
                print("Valid report")
                print(metadata)

                return metadata
            
        print("Not a valid report")
        return None