# 通用企业名称去噪

special_chars = ['.',
                 ',',
                 '-',
                 '(',
                 ')',
                 '@',
                 '?',
                 '‘',
                 '’',
                 '“',
                 '”',
                 '`',
                 '#',
                 '+',
                 '!',
                 '$',
                 '|',
                 ':',
                 '/',
                 ';',
                 '*',
                 '《',
                 '》',
                 '<',
                 '>',
                 '%',
                 '^',
                 '_',
                 '[',
                 ']',
                 '{',
                 '}',
                 '\\',
                 '~',
                 '＝',
                 '\'',
                 '±',
                 '°',
                 '«',
                 '»',
                 'µ',
                 '¶',
                 '·',
                 '€',
                 '£',
                 '¥',
                 '¢',
                 '×',
                 '÷',
                 '¬',
                 '…',
                 '→',
                 '←',
                 '↑',
                 '↓',
                 '↔',
                 '⇒',
                 '⇐',
                 '≈',
                 '≠',
                 '≤',
                 '≥',
                 '．',
                 '，',
                 '－',
                 '（',
                 '）',
                 '＠',
                 '？',
                 '"',
                 '\'',
                 '＃',
                 '＋',
                 '！',
                 '＄',
                 '｜',
                 '：',
                 '／',
                 '；',
                 '＊',
                 '＜',
                 '＞',
                 '％',
                 '＾',
                 '＿',
                 '［',
                 '］',
                 '｛',
                 '｝',
                 '＼',
                 '～',
                 '¨',
                 '´',
                 '',
                 '¿',
                 '‰',
                 '¯',
                 '\x1A',
                 '£',
                 '>',
                 '¿',
                 '«',
                 '´',
                 '»',
                 '°',
                 '®',
                 '·',
                 '¼',
                 '©',
                 '¶',
                 "'",
                 '"'
                 ]
special_char_dict = {c: ' ' for c in set(special_chars)}
special_char_dict['&'] = ' and '
special_char_dict['＆'] = ' and '
special_chars_trans = str.maketrans(special_char_dict)

sub_after_list = ['O/B OF', 'B/O OF', 'O/B', 'B/O', 'BY ORDER OF', 'BY ORDER', 'ON BEHALF OF', 'ON BEHALF', 'П/П']
sub_before_str = 'C/O'
# 括入符列表
same_enclosers = ['＂', '＇', '"', "'", ]
diff_enclosers = ['«»', '《》']

head_list = ['КОМПАНІЯ ', 'ООО ', 'СП ООО ', 'ТОО ', 'ТОВ ', 'ФИРМА ', 'КОМПАНИЯ ', 'ФІРМА ', 'КОМПАНИЯ ',
             'CÔNG TY TNHH ', 'CONG TY CO PHAN ', 'ИП ООО ', 'АО ', 'M S ', 'СП ', 'JV ', 'MS ']


def sub_head(text: str):
    if text:
        for head in head_list:
            if text.startswith(head):
                return text.replace(head, '')
        return text.strip()
    else:
        return None


def extract_text_from_enclosers(text):
    num = 0
    result = text
    for encloser in same_enclosers:
        cnt = text.count(encloser)
        open_inx = text.find(encloser)
        close_inx = text.rfind(encloser)
        if cnt > 2:
            return text.strip()
        elif cnt == 2 and close_inx - open_inx > 1:
            num += 1
            if num > 1:
                return text.strip()
            result = text[open_inx + 1:close_inx]
    for encloser in diff_enclosers:
        open_str, close_str = encloser[0], encloser[1]
        open_cnt = text.count(open_str)
        close_cnt = text.count(close_str)
        open_inx = text.find(open_str)
        close_inx = text.rfind(close_str)
        if (open_cnt == 1 and close_cnt > 1) or (open_cnt > 1 and close_cnt == 1) or (open_cnt > 1 and close_cnt > 1):
            return text.strip()
        elif open_cnt == 1 and close_cnt == 1 and close_inx - open_inx > 1:
            num += 1
            if num > 1:
                return text.strip()
            result = text[open_inx + 1:close_inx]
    return result.strip()


def clean_company_name(name):
    if name:
        # 特殊字符替换为空格
        name = name.translate(special_chars_trans)
        # 转大写，去除连续空格，去除首尾空格
        name = ' '.join(name.upper().split())
        return name
    else:
        return None


def sub_start_end(main_str, sub_str):
    if main_str.startswith(sub_str):
        main_str = main_str[len(sub_str):]
    if main_str.endswith(sub_str):
        main_str = main_str[:-len(sub_str)]
    return main_str.strip()


def get_sub_after(main_str, sub_str):
    index = main_str.find(sub_str)
    if index == -1:
        return main_str
    return main_str[index + len(sub_str):].strip()


def get_sub_before(main_str, sub_str):
    index = main_str.find(sub_str)
    if index == -1:
        return main_str
    return main_str[:index].strip()


def clean_pre_join(name):
    if name:
        name = name.upper().strip()
        for sub_str in sub_after_list:
            name = sub_start_end(name, sub_str)
            name = get_sub_after(name, sub_str)
        name = sub_start_end(name, sub_before_str)
        name = get_sub_before(name, sub_before_str)
        name = extract_text_from_enclosers(name)
        name = clean_company_name(name)
        name = sub_head(name)
        return name
    return None


if __name__ == '__main__':
    print(clean_pre_join('ASF INC ON BEH¿ BY ORDER OF'))

if __name__ == '__main__2':
    input_str1 = 'a<b>c'
    input_str2 = 'a<b>c<d>e<f>gh'
    input_str3 = 'a<"x>"b'
    input_str4 = 'This <is a test <example> string.'
    input_str5 = 'This is a test «aaa» string.'
    case_list = [input_str1, input_str2, input_str3, input_str4, input_str5]
    case_list.append('sss"adsd"ddd')
    case_list.append('This is a test ""aaa» string.')
    case_list.append('a<"x">b  ')
    case_list.append('""abcd')
    case_list.append('a>bc<d')
    case_list.append('abcd<>')
    case_list.append('abcd<bbbb》b>')
    case_list.append('abcd<b＇b“bb》b>')

    for case in case_list:
        extract_text = extract_text_from_enclosers(case)
        print("{:<50} ->  {}".format(case, extract_text))

if __name__ == '__main__1':
    case1 = ' AB    cde .((!)  '
    assert clean_company_name(case1) == 'AB CDE'
    case2 = None
    assert clean_company_name(case2) is None
    case3 = '    '
    assert clean_company_name(case3) == ''
    case4 = '～ab＃c≥'
    assert clean_company_name(case4) == 'AB C'
    case5 = '÷  ＆            !  '
    assert clean_company_name(case5) == 'AND'
    case6 = 'abc&def'
    assert clean_company_name(case6) == 'ABC AND DEF'
    case = 'abc＆def'
    assert clean_company_name(case6) == 'ABC AND DEF'
    print('all test cases passed')