import re

TAB_SIZE = 2
tab = 0
tabArray = 0
result = '{\n'
brackets = []


def append_to_result(string):
    global result, tab, tabArray
    result += f'{" " * (tabArray + tab + 2)}{string}'


with open('input.yaml', encoding='UTF-8') as inpt:
    inpt = inpt.readlines()
    for key, i in enumerate(inpt):
        i = i.split(':')

        # Обработка табов
        deltaTab = len(re.findall(r'(?<!-) ', i[0]))
        if tab != deltaTab:
            if tab < deltaTab:
                tab = deltaTab
            else:
                tab = deltaTab
                result = result[:len(result) - 2] + '\n'
                append_to_result(brackets.pop() + ',\n')

        # Обработка массивов
        if re.findall(r' *- .*', i[0]):
            if tab == tabArray and ']' not in brackets:
                append_to_result('[\n')
                brackets.append(']')
                tabArray += TAB_SIZE
            i[0] = i[0].lstrip()[1:].strip()
            append_to_result('{\n')
            brackets.append('}')
            tab += TAB_SIZE

        # Обработка вложенных объектов
        if i[1].strip() == '':
            if re.findall(r' *- .*', inpt[key+1].split(':')[0]):
                br = '[]'
            else:
                br = '{}'
            append_to_result(f'"{i[0].strip()}": {br[0]}\n')
            brackets.append(br[1])
        else:
            def shielding(s: str):
                return s.replace("\\", "\\\\").replace("\"", "\\\"")
            i = list(map(shielding, i))
            append_to_result(f'"{i[0].strip()}": "{":".join(i[1:]).strip()}",\n')
# Закрытие файла
if brackets is not None:
    for _ in range(len(brackets)):
        tab -= TAB_SIZE
        result = result[:len(result) - 2] + '\n'
        append_to_result(brackets.pop() + ',\n')
    result = result[:len(result) - 2] + '\n'

result += '}'
with open('output.json', 'w', encoding='UTF-8') as output:
    output.write(result)
print(result)