import re
from functools import partial
from pathlib import Path
from typing import TYPE_CHECKING

from cookit import DebugFileWriter, auto_convert_unit, format_timedelta

if TYPE_CHECKING:
    from .collectors.cpu import CpuFreq

format_time_delta_ps = partial(format_timedelta, day_divider=" ", day_suffix="天")


def match_list_regexp(reg_list: list[str], txt: str) -> re.Match | None:
    return next((match for r in reg_list if (match := re.search(r, txt))), None)


def format_freq(value: float) -> str:
    """将 MHz 频率格式化为 MHz/GHz(十进制 1000 换算)"""
    return auto_convert_unit(
        units=("MHz", "GHz", "THz"),
        multiplier=1000,
        unit_threshold=1000,
        value=value,
        with_space=False,
    )


def format_cpu_freq(freq: "CpuFreq") -> str:
    if not freq.current and not freq.max:
        return "主频未知"
    current = freq.current or freq.max or 0.0
    max_freq = freq.max or 0.0
    if not max_freq or max_freq == current:
        return format_freq(current)
    return f"{format_freq(current)} / {format_freq(max_freq)}"


debug = DebugFileWriter(Path(__file__).resolve().parents[2] / "logs", "picstatus")