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

import numpy as np

from .read_swash import ReadSwash

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

sws_out = pathlib.Path(config.get("swash", "out"))
inp = pathlib.Path(config.get("post", "inp"))
inp.mkdir(parents=True, exist_ok=True)

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

var = {
    "dep": rsws.read_scalar,
    "botl": rsws.read_const,
    "watl": rsws.read_scalar,
    "pressk": rsws.read_scalar_lay,
    "nhprsk": rsws.read_scalar_lay,
    "zk": rsws.read_scalar_lay,
    "velk": rsws.read_vector_lay,
    "vz": rsws.read_scalar_lay,
}

with ThreadPool() as pool:
    log.info("Converting all data")
    pool.map(
        lambda x: np.save(
            inp.joinpath(x[0]),
            x[1](sws_out.joinpath(x[0]).with_suffix(".dat")),
        ),
        var.items(),
    )