# Text_toolkit.

puncts_replacements = {
    "“": '"',
    "”": '"',
    "’": "'",
    "\n\n\n\n": "\n\n",
    "\n\n\n": "\n\n",
    "\xa0": " ",
    "⁠—": "-",
    ".⁠ ⁠…": "...",
    "⁠…": "...",
    "  ": " ",
    ",  , ": ", ",
    ".  ": ". ",
    ",  ": ", ",
    ";  ": "; ",
}


def normalize_puncts(html: str):
    strp = html.strip()
    for k, v in puncts_replacements.items():
        strp = strp.replace(k, v)
    return strp

def merge_consecutive_lines(lines:str):
    last_line = None
    final_concate = []
    for curr_line in lines.split("\n"):
        if last_line is None:
            last_line = curr_line.lstrip()
            final_concate.append(curr_line)
            continue
        if curr_line.strip():
            # current line not empty
            if last_line:
                # Last line has content
                final_concate[-1] = f"{final_concate[-1]} {curr_line}"
                last_line = curr_line.lstrip()
            # Current line empty
            else:
                last_line = curr_line.lstrip()
                final_concate.append("\n")
        else:
            # currenty line is empty
            if last_line:
                final_concate.append(curr_line + "\n")
            else:
                continue
    return "\n".join(final_concate) 

def clean_newlines(lines: str):
    last_line = None
    final_concate = []
    for line in lines.split("\n"):
        if last_line is None:
            last_line = line.lstrip()
            final_concate.append(line.lstrip())
            continue
        if line.strip():
            last_line = line.lstrip()
            final_concate.append(line.lstrip())
        else:
            if last_line:
                last_line = line.lstrip()
                final_concate.append(line.lstrip())
            else:
                continue
    return "\n".join(final_concate)