import sys

path = "/home/slin/enduro-trails/prototype/static/index.html"
with open(path, 'r') as f:
    lines = f.readlines()

# Insert after line 46 (0-indexed: 45) which is </label> for terrain-tri
insert_after = 45
new_lines = [
    '  <hr style="margin:6px 0;border-color:rgba(128,128,128,0.3)">\n',
    '  <label class="terrain-checkbox">\n',
    '    <input type="checkbox" id="trails-track-cb" onchange="onTrailsCheckbox()" checked>\n',
    '    <span>Грунтовки</span>\n',
    '  </label>\n',
    '  <label class="terrain-checkbox">\n',
    '    <input type="checkbox" id="trails-path-cb" onchange="onTrailsCheckbox()" checked>\n',
    '    <span>Тропы</span>\n',
    '  </label>\n',
]

lines = lines[:insert_after+1] + new_lines + lines[insert_after+1:]

with open(path, 'w') as f:
    f.writelines(lines)

print("OK - inserted trails checkboxes")