import re
import sys

def main():
    try:
        with open('src/main/resources/templates/index.html', 'r', encoding='utf-8') as f:
            lines = f.readlines()
            
        content_top_start = -1
        for i, line in enumerate(lines):
            if '<div class="content-top">' in line:
                content_top_start = i
                break
                
        # The next block starts with '<div class="lc--layout-container lc--full">'
        # But content-top itself has one.
        # Let's search for the second '<div class="lc--layout-container lc--full">'
        
        next_block_start = -1
        count = 0
        for i in range(content_top_start, len(lines)):
            if '<div class="lc--layout-container lc--full">' in lines[i]:
                count += 1
                if count == 2:
                    next_block_start = i
                    break
                    
        end_of_file_content = -1
        for i in range(len(lines)-1, -1, -1):
            if '<footer th:replace' in lines[i]:
                # Go up to the closing tags of t--template
                end_of_file_content = i - 5
                break

        print(f"Content top start: {content_top_start}")
        print(f"Next block start: {next_block_start}")
        print(f"End of content: {end_of_file_content}")
        
    except Exception as e:
        print(e)

if __name__ == '__main__':
    main()