import argparse
import configparser
import logging
import pathlib
import re

import matplotlib.pyplot as plt
import numpy as np
from fluidfoam import readof
from scipy import interpolate

from .olaflow import OFModel

parser = argparse.ArgumentParser(
    description="Convert swash output to olaFlow input"
)
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_ola")

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

sws_out = pathlib.Path(config.get("swash", "npz_out"))
sws = np.load(sws_out.joinpath("sws.npz"))

x, t = sws["x"], sws["t"]

olaflow_root = pathlib.Path(config.get("olaflow", "root"))
of_x, of_y, of_z = mesh = readof.readmesh(str(olaflow_root))

watl = interpolate.interp1d(x, sws["watl"][680])

alpha_water = np.where(of_z < watl(of_x), 1, 0)

model = OFModel(olaflow_root)
model.write_field("alpha.water", alpha_water)