import argparse
import configparser
import logging
from multiprocessing import ThreadPool
import pathlib

import numpy as np
import pandas as pd

from .read_swash import ReadSwash

parser = argparse.ArgumentParser(description="Convert swash output to numpy")
parser.add_argument("-v", "--verbose", action="count", default=0)
args = parser.parse_args()

logging.basicConfig(level=max((10, 20 - 10 * args.verbose)))
log = logging.getLogger("sws_npz")

log.info("Starting sws -> npz converter")
config = configparser.ConfigParser()
config.read("config.ini")

sws_out = pathlib.Path(config.get("swash", "out"))
inp = pathlib.Path(config.get("post", "inp"))

log.info(f"Reading swash output from '{sws_out}'")
rsws = ReadSwash()
rsws.read_time(sws_out.joinpath("tsec.dat"))
rsws.read_x(sws_out.joinpath("xp.dat"))

var = {
    "dep": rsws.read_scalar,
    "botl": rsws.read_const,
    "watl": rsws.read_scalar,
    "vel": rsws.read_vector,
    "press": rsws.read_scalar,
    "zk": rsws.read_scalar_lay,
    "velk": rsws.read_vector_lay,
}

inp.mkdir(exist_ok=True)
with ThreadPool() as pool:
    pool.map(
        lambda name, f: np.save(
            inp.joinpath(name), f(sws_out.joinpath(name).with_suffix(".dat"))
        ),
        var.items(),
    )