import sys

file_path = "/home/x79/sisvietnamvn_01/sisvietnamvn_Trang chính thức hiện tại/UMass Amherst _ UMass Amherst.html"

with open(file_path, "r", encoding="utf-8") as f:
    lines = f.readlines()

start_idx = -1
for i, line in enumerate(lines):
    if '<div class="content-top">' in line:
        start_idx = i
        break

if start_idx == -1:
    print("Could not find <div class=\"content-top\">")
    sys.exit(1)

extracted = []
div_count = 0
found_start = False

for line in lines[start_idx:]:
    # Simple tag counting to find the matching closing div
    # Note: this is a naive counter, it doesn't account for HTML comments or script tags containing strings that look like tags,
    # but it usually works well for standard HTML layout sections.
    div_count += line.count("<div")
    div_count -= line.count("</div")
    
    extracted.append(line)
    if div_count == 0:
        break

output_path = "src/main/resources/templates/themes/umass/content-top.html"
with open(output_path, "w", encoding="utf-8") as f:
    f.writelines(extracted)
print(f"Extracted to {output_path}")