from pathlib import Path

from pythonapp.Decider.Loader import RequirementInfo


def requirements_separator(req_file: Path | str):
    try:
        with open(req_file, 'r') as file:
            lines = [line.strip() for line in file]
        req = []
        opt = []
        req_bool = True
        for line in lines:
            if line.startswith("#"): req_bool = False
            if req_bool: req.append(line)
            else: opt.append(line)
    except FileNotFoundError:
        raise RuntimeError(f"File {req_file} not exists")

    return req, opt

def requirements_converter(req: list[str], opt: list[str]) -> list[RequirementInfo]:
    res: list[RequirementInfo] = []
    for line in req:
        if line.startswith("#") or line == '': continue
        res.append(RequirementInfo.from_requirement_string(line.split(" ")[0].strip(), 'required', 'requested'))
    for line in opt:
        if line.startswith("#") or line == '': continue
        res.append(RequirementInfo.from_requirement_string(line.split(" ")[0].strip(), 'optional', 'requested'))

    return res