def process_text(text, nazwisko_user, nazwisko_system):
    lines = text.split('\n' )
    result=[]
    for line in lines :
        if nazwisko_system in line:
            result.append("system " + line.split(nazwisko_system, 1)[1].strip())
        elif nazwisko_user in line:
            result.append("user " + line.split(nazwisko_user, 1)[1].strip())
        else:
            result.append(line)
    return '\n'.join(result)
def join_lines(text ):
    lines = text.split("\n" )
    joined_lines = [lines[0] ]
    for line in lines[1:] :
        if line.startswith("[") :
            joined_lines.append(line )
        else :
            joined_lines[-1] += " " +  line
    return "\n".join(joined_lines )
def remove_empty_lines(text):
    lines = text.split('\n' )
    non_empty_lines=[]
    for line in lines :
        if line.strip():
            non_empty_lines.append(line)
    return '\n'.join(non_empty_lines)
def read_tsv(file_path ):
    with open(file_path, 'r', encoding='utf-8') as tsv_file :
        content =tsv_file.read()
    return  content
def write_tsv(file_path, content ):
    with open(file_path, 'w', encoding='utf-8') as tsv_file :
        tsv_file.write(content )
def replace_first_space_with_tab(text) :
    lines = text.split("\n" )
    new_lines =[]
    for line in lines :
        first_space_index = line.find(" " )
        if first_space_index != -1 :
            new_line = line[:first_space_index] + "\t" + line[first_space_index + 1: ]
            new_lines.append(new_line )
        else :
            new_lines.append(line )
    return "\n".join(new_lines )
if __name__ == '__main__' :
    # wypelnic przed uruchomieniemm
    nazwisko_user =""
    nazwisko_system= ""
    numer_user =""
    numer_system= ""
    file_path =f"J:\PycharmProjects\systemy_dialogowe\data\dialog-{numer_system}-{numer_user}-01.tsv"
    text= read_tsv(file_path )
    text= remove_empty_lines(text )
    text= join_lines(text )
    text= process_text(text, nazwisko_user, nazwisko_system )
    text= replace_first_space_with_tab(text )
    write_tsv(file_path, text  )